[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Mar 17 18:02:45 UTC 2017


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 18 Mar, 2017

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              638006
    Prefixes after maximum aggregation (per Origin AS):          249297
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      308468
Total ASes present in the Internet Routing Table:                 56540
    Prefixes per ASN:                                             11.28
Origin-only ASes present in the Internet Routing Table:           48937
Origin ASes announcing only one prefix:                           21715
Transit ASes present in the Internet Routing Table:                7603
Transit-only ASes present in the Internet Routing Table:            215
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                72
    Numnber of instances of unregistered ASNs:                       73
Number of 32-bit ASNs allocated by the RIRs:                      17731
Number of 32-bit ASNs visible in the Routing Table:               13780
Prefixes from 32-bit ASNs in the Routing Table:                   55776
Number of bogon 32-bit ASNs visible in the Routing Table:            46
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            411
Number of addresses announced to Internet:                   2837968708
    Equivalent to 169 /8s, 39 /16s and 247 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.5
Total number of prefixes smaller than registry allocations:      211466

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   175063
    Total APNIC prefixes after maximum aggregation:               50204
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          174394
    Unique aggregates announced from the APNIC address blocks:    71975
APNIC Region origin ASes present in the Internet Routing Table:    7931
    APNIC Prefixes per ASN:                                       21.99
APNIC Region origin ASes announcing only one prefix:               2219
APNIC Region transit ASes present in the Internet Routing Table:   1134
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2770
Number of APNIC addresses announced to Internet:              761082244
    Equivalent to 45 /8s, 93 /16s and 49 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    194687
    Total ARIN prefixes after maximum aggregation:                93337
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           197063
    Unique aggregates announced from the ARIN address blocks:     90389
ARIN Region origin ASes present in the Internet Routing Table:    17842
    ARIN Prefixes per ASN:                                        11.04
ARIN Region origin ASes announcing only one prefix:                6642
ARIN Region transit ASes present in the Internet Routing Table:    1771
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1850
Number of ARIN addresses announced to Internet:              1107752352
    Equivalent to 66 /8s, 6 /16s and 245 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    171515
    Total RIPE prefixes after maximum aggregation:                84327
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           166749
    Unique aggregates announced from the RIPE address blocks:    100928
RIPE Region origin ASes present in the Internet Routing Table:    23788
    RIPE Prefixes per ASN:                                         7.01
RIPE Region origin ASes announcing only one prefix:               10974
RIPE Region transit ASes present in the Internet Routing Table:    3370
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5632
Number of RIPE addresses announced to Internet:               710474624
    Equivalent to 42 /8s, 88 /16s and 251 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   80095
    Total LACNIC prefixes after maximum aggregation:              17673
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          81282
    Unique aggregates announced from the LACNIC address blocks:   38006
LACNIC Region origin ASes present in the Internet Routing Table:   5705
    LACNIC Prefixes per ASN:                                      14.25
LACNIC Region origin ASes announcing only one prefix:              1554
LACNIC Region transit ASes present in the Internet Routing Table:  1037
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3228
Number of LACNIC addresses announced to Internet:             170963616
    Equivalent to 10 /8s, 48 /16s and 178 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-266652 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  16539
    Total AfriNIC prefixes after maximum aggregation:              3694
    AfriNIC Deaggregation factor:                                  4.48
Prefixes being announced from the AfriNIC address blocks:         18107
    Unique aggregates announced from the AfriNIC address blocks:   6813
AfriNIC Region origin ASes present in the Internet Routing Table:  1031
    AfriNIC Prefixes per ASN:                                     17.56
AfriNIC Region origin ASes announcing only one prefix:              326
AfriNIC Region transit ASes present in the Internet Routing Table:  202
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  300
Number of AfriNIC addresses announced to Internet:             87176448
    Equivalent to 5 /8s, 50 /16s and 53 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5564       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3761        391     259  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2994        905      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2751      11134     752  KIXS-AS-KR Korea Telecom, KR
  9829         2728       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2297       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2070        421     220  TATACOMM-AS TATA Communications formerl
 45899         1897       1320     108  VNPT-AS-VN VNPT Corp, VN
  4808         1648       1786     447  CHINA169-BJ China Unicom Beijing Provin
 24560         1561        579     256  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 22773         3667       2969     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3274       1333      84  SHAW - Shaw Communications Inc., CA
 18566         2186        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2068       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         1977       2079     392  CHARTER-NET-HKY-NC - Charter Communicat
   209         1784       5068     643  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1737       3325     558  AMAZON-02 - Amazon.com, Inc., US
 30036         1718        319     409  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1689        854     231  ITCDELTA - Earthlink, Inc., US
   701         1578      10583     650  UUNET - MCI Communications Services, In

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 39891         3334        171      18  ALJAWWALSTC-AS , SA
 20940         3056       1124    2169  AKAMAI-ASN1 , US
  9121         2656       1691      18  TTNET , TR
 34984         2010        328     384  TELLCOM-AS , TR
  8551         1650        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 13188         1646         99      58  TRIOLAN , UA
 12479         1521       1033      50  UNI2-AS , ES
 12389         1346       1263     551  ROSTELECOM-AS , RU
  9198         1319        352      23  KAZTELECOM-AS , KZ
  6849         1265        355      21  UKRTELNET , UA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 10620         3544        545     160  Telmex Colombia S.A., CO
  8151         2491       3375     542  Uninet S.A. de C.V., MX
 11830         1817        369      57  Instituto Costarricense de Electricidad
  7303         1553        998     249  Telecom Argentina S.A., AR
  6503         1541        437      53  Axtel, S.A.B. de C.V., MX
  6147         1167        377      27  Telefonica del Peru S.A.A., PE
 28573         1066       2290     192  CLARO S.A., BR
  3816         1004        479     183  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664          983        280      35  Techtel LMDS Comunicaciones Interactiva
 17072          933        118     407  TOTAL PLAY TELECOMUNICACIONES SA DE CV,

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1309        399      45  LINKdotNET-AS, EG
 36903          718        361     122  MT-MPLS, MA
 37611          697         67       6  Afrihost, ZA
 36992          598       1375      26  ETISALAT-MISR, EG
 24835          497        722      14  RAYA-AS, EG
  8452          426       1474      16  TE-AS TE-AS, EG
 37492          399        318      73  ORANGE-TN, TN
 29571          367         36      10  CITelecom-AS, CI
 15399          339         35       7  WANANCHI-KE, KE
  2018          271        327      74  TENET-1, ZA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5564       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3761        391     259  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3667       2969     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3544        545     160  Telmex Colombia S.A., CO
 39891         3334        171      18  ALJAWWALSTC-AS , SA
  6327         3274       1333      84  SHAW - Shaw Communications Inc., CA
 20940         3056       1124    2169  AKAMAI-ASN1 , US
 17974         2994        905      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2751      11134     752  KIXS-AS-KR Korea Telecom, KR
  9829         2728       1499     540  BSNL-NIB National Internet Backbone, IN

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
 22773       3667         3517   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3761         3502   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3544         3384   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS , SA
  6327       3274         3190   SHAW - Shaw Communications Inc., CA
 17974       2994         2922   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2656         2638   TTNET , TR
  9808       2297         2264   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2728         2188   BSNL-NIB National Internet Backbone, IN
 18566       2186         2077   MEGAPATH5-US - MegaPath Corporation, US

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
  65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
  65534   PRIVATE      36.37.120.0/24        4800       LINTASARTA-AS-AP Network Acces

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.69.225.0/24      18403     FPT-AS-AP The Corporation for Financing & Promo
100.123.218.0/24     18403     FPT-AS-AP The Corporation for Financing & Promo

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
23.157.128.0/17     393899    -Reserved AS-, ZZ
23.161.128.0/17     393899    -Reserved AS-, ZZ
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21      203496    AB-TELECOM , RU
41.77.248.0/21      203496    AB-TELECOM , RU
41.78.12.0/23       203496    AB-TELECOM , RU
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.242.132.0/23     203496    AB-TELECOM , RU
43.224.140.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 
43.224.141.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:13      /10:36      /11:103     /12:280     
/13:536     /14:1047    /15:1794    /16:13223   /17:7759    /18:13378   
/19:24653   /20:38326   /21:41114   /22:75220   /23:62526   /24:356617  
/25:554     /26:413     /27:292     /28:35      /29:19      /30:25      
/31:1       /32:26      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3068          3274    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS , SA
 22773     2843          3667    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2079          2186    MEGAPATH5-US - MegaPath Corporation, US
  9121     1872          2656    TTNET , TR
 30036     1527          1718    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1461          3544    Telmex Colombia S.A., CO
  6389     1375          2068    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1371          1646    TRIOLAN , UA
  6983     1326          1689    ITCDELTA - Earthlink, Inc., US

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1616      2:846       4:25        5:2495      6:34        8:1055   
  12:1817     13:92       14:1788     15:22       16:2        17:113    
  18:129      19:1        20:52       23:2142     24:1863     25:2      
  27:2379     31:1899     32:89       33:5        34:1        35:19     
  36:380      37:2551     38:1349     39:45       40:100      41:2904   
  42:461      43:1899     44:63       45:2448     46:2714     47:114    
  49:1220     50:972      51:18       52:746      54:358      55:6      
  56:4        57:41       58:1626     59:994      60:387      61:1937   
  62:1493     63:1922     64:4582     65:2188     66:4543     67:2265   
  68:1199     69:3334     70:1307     71:577      72:2146     74:2627   
  75:399      76:423      77:1435     78:1661     79:1316     80:1350   
  81:1399     82:960      83:727      84:869      85:1750     86:483    
  87:1147     88:786      89:2059     90:171      91:6160     92:992    
  93:2373     94:2370     95:2818     96:568      97:359      98:943    
  99:85      100:155     101:1249    103:14037   104:2801    105:165    
 106:485     107:1560    108:818     109:2610    110:1299    111:1723   
 112:1162    113:1329    114:1044    115:1730    116:1773    117:1688   
 118:2059    119:1615    120:952     121:1093    122:2354    123:2049   
 124:1530    125:1817    128:709     129:503     130:418     131:1399   
 132:506     133:190     134:607     135:220     136:517     137:422    
 138:1839    139:516     140:374     141:519     142:735     143:908    
 144:765     145:169     146:1036    147:662     148:1374    149:561    
 150:701     151:945     152:730     153:306     154:760     155:985    
 156:557     157:618     158:443     159:1434    160:565     161:734    
 162:2449    163:518     164:790     165:1158    166:388     167:1232   
 168:2585    169:763     170:2956    171:285     172:971     173:1806   
 174:802     175:728     176:1762    177:4034    178:2498    179:1120   
 180:2186    181:1911    182:2221    183:1052    184:835     185:9087   
 186:3210    187:2198    188:2447    189:1778    190:8100    191:1257   
 192:9284    193:5791    194:4654    195:3841    196:1965    197:1266   
 198:5549    199:5867    200:7387    201:4089    202:10221   203:9806   
 204:4472    205:2753    206:2999    207:3107    208:3904    209:3935   
 210:3952    211:2113    212:2810    213:2508    214:863     215:65     
 216:5893    217:2017    218:834     219:620     220:1708    221:908    
 222:723     223:1153   

End of report



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