[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 29 18:01:38 UTC 2016


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,
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 30 Jul, 2016

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

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

BGP routing table entries examined:                              605937
    Prefixes after maximum aggregation (per Origin AS):          218930
    Deaggregation factor:                                          2.77
    Unique aggregates announced (without unneeded subnets):      295442
Total ASes present in the Internet Routing Table:                 54446
    Prefixes per ASN:                                             11.13
Origin-only ASes present in the Internet Routing Table:           36489
Origin ASes announcing only one prefix:                           15509
Transit ASes present in the Internet Routing Table:                6470
Transit-only ASes present in the Internet Routing Table:            172
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      54
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                68
    Unregistered ASNs in the Routing Table:                          16
Number of 32-bit ASNs allocated by the RIRs:                      14821
Number of 32-bit ASNs visible in the Routing Table:               11487
Prefixes from 32-bit ASNs in the Routing Table:                   45357
Number of bogon 32-bit ASNs visible in the Routing Table:            14
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            377
Number of addresses announced to Internet:                   2822086116
    Equivalent to 168 /8s, 53 /16s and 157 /24s
    Percentage of available address space announced:               76.2
    Percentage of allocated address space announced:               76.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.2
Total number of prefixes smaller than registry allocations:      196985

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

Prefixes being announced by APNIC Region ASes:                   156685
    Total APNIC prefixes after maximum aggregation:               42877
    APNIC Deaggregation factor:                                    3.65
Prefixes being announced from the APNIC address blocks:          169189
    Unique aggregates announced from the APNIC address blocks:    68365
APNIC Region origin ASes present in the Internet Routing Table:    5197
    APNIC Prefixes per ASN:                                       32.56
APNIC Region origin ASes announcing only one prefix:               1180
APNIC Region transit ASes present in the Internet Routing Table:    933
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2259
Number of APNIC addresses announced to Internet:              759212868
    Equivalent to 45 /8s, 64 /16s and 171 /24s
    Percentage of available APNIC address space announced:         88.7

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:                    182664
    Total ARIN prefixes after maximum aggregation:                89227
    ARIN Deaggregation factor:                                     2.05
Prefixes being announced from the ARIN address blocks:           188251
    Unique aggregates announced from the ARIN address blocks:     88506
ARIN Region origin ASes present in the Internet Routing Table:    16265
    ARIN Prefixes per ASN:                                        11.57
ARIN Region origin ASes announcing only one prefix:                5757
ARIN Region transit ASes present in the Internet Routing Table:    1699
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:    1357
Number of ARIN addresses announced to Internet:              1105299936
    Equivalent to 65 /8s, 225 /16s and 137 /24s
    Percentage of available ARIN address space announced:          58.5

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:                    145236
    Total RIPE prefixes after maximum aggregation:                71314
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           155038
    Unique aggregates announced from the RIPE address blocks:     95411
RIPE Region origin ASes present in the Internet Routing Table:    18101
    RIPE Prefixes per ASN:                                         8.57
RIPE Region origin ASes announcing only one prefix:                7832
RIPE Region transit ASes present in the Internet Routing Table:    3016
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    4958
Number of RIPE addresses announced to Internet:               706001024
    Equivalent to 42 /8s, 20 /16s and 184 /24s
    Percentage of available RIPE address space announced:         102.6

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, 196608-204287
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:                   61638
    Total LACNIC prefixes after maximum aggregation:              12265
    LACNIC Deaggregation factor:                                   5.03
Prefixes being announced from the LACNIC address blocks:          76799
    Unique aggregates announced from the LACNIC address blocks:   36773
LACNIC Region origin ASes present in the Internet Routing Table:   2483
    LACNIC Prefixes per ASN:                                      30.93
LACNIC Region origin ASes announcing only one prefix:               568
LACNIC Region transit ASes present in the Internet Routing Table:   576
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2675
Number of LACNIC addresses announced to Internet:             170224704
    Equivalent to 10 /8s, 37 /16s and 108 /24s
    Percentage of available LACNIC address space announced:       101.5

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  14288
    Total AfriNIC prefixes after maximum aggregation:              3237
    AfriNIC Deaggregation factor:                                  4.41
Prefixes being announced from the AfriNIC address blocks:         16283
    Unique aggregates announced from the AfriNIC address blocks:   6049
AfriNIC Region origin ASes present in the Internet Routing Table:   734
    AfriNIC Prefixes per ASN:                                     22.18
AfriNIC Region origin ASes announcing only one prefix:              172
AfriNIC Region transit ASes present in the Internet Routing Table:  176
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  238
Number of AfriNIC addresses announced to Internet:             81007360
    Equivalent to 4 /8s, 212 /16s and 19 /24s
    Percentage of available AfriNIC address space announced:       80.5

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     5553       4191          75   ERX-CERNET-BKB China Education and Rese
 7545     3428        384         253   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3186      11145        1126   KIXS-AS-KR Korea Telecom, KR
17974     2933        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2613       1488         513   BSNL-NIB National Internet Backbone, IN
 1659     2493       1466          38   ERX-TANET-ASN1 Taiwan Academic Network 
 9808     2233       8761          40   CMNET-GD Guangdong Mobile Communication
 4755     2079        432         243   TATACOMM-AS TATA Communications formerl
 4808     1796       2309         548   CHINA169-BJ China Unicom Beijing Provin
38197     1507         93         277   SUNHK-DATA-AS-AP Sun Network (Hong Kong

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     3497       2965         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2225       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2195        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1932       1956         410   CHARTER-NET-HKY-NC - Charter Communicat
30036     1726        345         354   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1709       5083         651   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1689        849         228   ITCDELTA - Earthlink, Inc., US
16509     1348       2478         432   AMAZON-02 - Amazon.com, Inc., US
 7018     1340      20070         995   ATT-INTERNET4 - AT&T Services, Inc., US
11492     1309        233         567   CABLEONE - CABLE ONE, INC., US

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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2719       1048        1933   AKAMAI-ASN1 , US
34984     1974        327         358   TELLCOM-AS , TR
12479     1294       1018          46   UNI2-AS , ES
 8551     1212        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1148        355          21   UKRTELNET , UA
13188     1094         98          62   BANKINFORM-AS , UA
 8402     1025        544          15   CORBINA-AS Russia, RU
31148     1017         47          44   FREENET-AS , UA
 9198      967        352          25   KAZTELECOM-AS , KZ

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     3475        542         129   Telmex Colombia S.A., CO
 8151     2265       3369         547   Uninet S.A. de C.V., MX
 7303     1530        945         244   Telecom Argentina S.A., AR
11830     1493        369          66   Instituto Costarricense de Electricidad
 6503     1413        437          54   Axtel, S.A.B. de C.V., MX
 6147     1095        377          27   Telefonica del Peru S.A.A., PE
 3816      996        479         182   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 7738      994       1882          40   Telemar Norte Leste S.A., BR
11172      907        125          76   Alestra, S. de R.L. de C.V., MX
28573      899       2181         159   CLARO S.A., BR

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     1166        402          48   LINKdotNET-AS, EG
36903      656        330         109   MT-MPLS, MA
37611      649         48           2   Afrihost, ZA
36992      538       1357          26   ETISALAT-MISR, EG
 8452      501       1472          15   TE-AS TE-AS, EG
37492      373        234          68   ORANGE-TN, TN
24835      333        594          15   RAYA-AS, EG
29571      300         37          12   CITelecom-AS, CI
15399      289         35           6   WANANCHI-KE, KE
 2018      268        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     5553       4191          75   ERX-CERNET-BKB China Education and Rese
22773     3497       2965         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3475        542         129   Telmex Colombia S.A., CO
 7545     3428        384         253   TPG-INTERNET-AP TPG Telecom Limited, AU
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3186      11145        1126   KIXS-AS-KR Korea Telecom, KR
17974     2933        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2719       1048        1933   AKAMAI-ASN1 , US
 9829     2613       1488         513   BSNL-NIB National Internet Backbone, IN
 1659     2493       1466          38   ERX-TANET-ASN1 Taiwan Academic Network 

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      3497        3353      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3475        3346      Telmex Colombia S.A., CO
39891      3329        3314      ALJAWWALSTC-AS , SA
 7545      3428        3175      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2933        2855      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 1659      2493        2455      ERX-TANET-ASN1 Taiwan Academic Network 
 9808      2233        2193      CMNET-GD Guangdong Mobile Communication
 6389      2225        2184      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2613        2100      BSNL-NIB National Internet Backbone, IN
18566      2195        2085      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
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
65412   PRIVATE      41.89.7.0/24         36866       JTL, KE
65512   PRIVATE      45.252.244.0/24      45899       VNPT-AS-VN VNPT Corp, VN

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

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

Network            Origin AS  Description
23.249.144.0/20      40430     COLO4JAX-AS - colo4jax, LLC, US
27.100.7.0/24        56096     UNKNOWN
41.73.1.0/24         37004     -Reserved AS-, ZZ
41.73.2.0/24         37004     -Reserved AS-, ZZ
41.73.3.0/24         37004     -Reserved AS-, ZZ
41.73.4.0/24         37004     -Reserved AS-, ZZ
41.73.5.0/24         37004     -Reserved AS-, ZZ
41.73.6.0/24         37004     -Reserved AS-, ZZ
41.73.7.0/24         37004     -Reserved AS-, ZZ
41.73.8.0/24         37004     -Reserved AS-, ZZ

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      /11:101     /12:266     
/13:518     /14:1051    /15:1765    /16:13157   /17:7823    /18:12745   
/19:25321   /20:38313   /21:40218   /22:67197   /23:58829   /24:336901  
/25:566     /26:586     /27:378     /28:54      /29:32      /30:16      
/31:1       /32:34      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2726          3497      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2087          2195      MEGAPATH5-US - MegaPath Corporation, US
30036     1540          1726      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1440          2225      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1384          3475      Telmex Colombia S.A., CO
 6983     1340          1689      ITCDELTA - Earthlink, Inc., US
34984     1257          1974      TELLCOM-AS , TR
11492     1207          1309      CABLEONE - CABLE ONE, INC., US
 6849      968          1148      UKRTELNET , UA

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

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

   1:1578      2:748       4:21        5:2129      6:31        8:973    
  12:1774     13:41       14:1719     15:45       16:2        17:88     
  18:117      20:49       22:1        23:1619     24:1798     27:2300   
  31:1778     32:68       33:3        34:2        35:5        36:318    
  37:2281     38:1247     39:35       40:93       41:2814     42:447    
  43:1833     44:43       45:2127     46:2511     47:84       49:1165   
  50:889      51:12       52:531      54:342      55:8        56:7      
  57:42       58:1613     59:950      60:353      61:1807     62:1504   
  63:1920     64:4529     65:2169     66:4229     67:2200     68:1127   
  69:3265     70:1247     71:484      72:2014     74:2526     75:344    
  76:391      77:1431     78:1266     79:861      80:1250     81:1383   
  82:975      83:721      84:849      85:1585     86:497      87:1097   
  88:551      89:2089     90:210      91:6056     92:975      93:2365   
  94:2426     95:2511     96:503      97:354      98:947      99:41     
 100:76      101:1084    103:11793   104:2562    105:125     106:431    
 107:1399    108:663     109:2234    110:1284    111:1631    112:1038   
 113:1132    114:1092    115:1659    116:1628    117:1540    118:1998   
 119:1597    120:1220    121:1122    122:2195    123:2001    124:1586   
 125:1772    128:672     129:423     130:409     131:1331    132:620    
 133:175     134:446     135:138     136:379     137:399     138:1793   
 139:417     140:712     141:454     142:651     143:925     144:719    
 145:165     146:884     147:658     148:1384    149:538     150:659    
 151:867     152:637     153:302     154:656     155:952     156:517    
 157:490     158:380     159:1142    160:509     161:736     162:2358   
 163:921     164:898     165:1062    166:322     167:1155    168:1961   
 169:670     170:1807    171:263     172:625     173:1641    174:757    
 175:702     176:1721    177:4004    178:2213    179:1123    180:2150   
 181:1811    182:1981    183:987     184:828     185:7031    186:3067   
 187:2083    188:2193    189:1741    190:7804    191:1284    192:9056   
 193:5730    194:4426    195:3852    196:1711    197:1145    198:5545   
 199:5741    200:7081    201:3750    202:10116   203:10095   204:4511   
 205:2725    206:2985    207:3084    208:4059    209:3863    210:4261   
 211:2039    212:2694    213:2327    214:871     215:71      216:5829   
 217:1983    218:800     219:610     220:1635    221:867     222:683    
 223:1259   

End of report



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