[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 15 18:01:41 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, PaNOG, 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 16 Jul, 2016

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

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

BGP routing table entries examined:                              604283
    Prefixes after maximum aggregation (per Origin AS):          218714
    Deaggregation factor:                                          2.76
    Unique aggregates announced (without unneeded subnets):      294430
Total ASes present in the Internet Routing Table:                 54306
    Prefixes per ASN:                                             11.13
Origin-only ASes present in the Internet Routing Table:           36527
Origin ASes announcing only one prefix:                           15528
Transit ASes present in the Internet Routing Table:                6435
Transit-only ASes present in the Internet Routing Table:            161
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:                56
    Unregistered ASNs in the Routing Table:                          12
Number of 32-bit ASNs allocated by the RIRs:                      14649
Number of 32-bit ASNs visible in the Routing Table:               11344
Prefixes from 32-bit ASNs in the Routing Table:                   44758
Number of bogon 32-bit ASNs visible in the Routing Table:            11
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            388
Number of addresses announced to Internet:                   2821308388
    Equivalent to 168 /8s, 41 /16s and 191 /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:      196731

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

Prefixes being announced by APNIC Region ASes:                   155939
    Total APNIC prefixes after maximum aggregation:               42673
    APNIC Deaggregation factor:                                    3.65
Prefixes being announced from the APNIC address blocks:          168048
    Unique aggregates announced from the APNIC address blocks:    68014
APNIC Region origin ASes present in the Internet Routing Table:    5196
    APNIC Prefixes per ASN:                                       32.34
APNIC Region origin ASes announcing only one prefix:               1179
APNIC Region transit ASes present in the Internet Routing Table:    934
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2225
Number of APNIC addresses announced to Internet:              759067716
    Equivalent to 45 /8s, 62 /16s and 116 /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:                    182913
    Total ARIN prefixes after maximum aggregation:                89387
    ARIN Deaggregation factor:                                     2.05
Prefixes being announced from the ARIN address blocks:           188573
    Unique aggregates announced from the ARIN address blocks:     88343
ARIN Region origin ASes present in the Internet Routing Table:    16302
    ARIN Prefixes per ASN:                                        11.57
ARIN Region origin ASes announcing only one prefix:                5786
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:    1327
Number of ARIN addresses announced to Internet:              1105487328
    Equivalent to 65 /8s, 228 /16s and 101 /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:                    144900
    Total RIPE prefixes after maximum aggregation:                71186
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           154555
    Unique aggregates announced from the RIPE address blocks:     94995
RIPE Region origin ASes present in the Internet Routing Table:    18083
    RIPE Prefixes per ASN:                                         8.55
RIPE Region origin ASes announcing only one prefix:                7822
RIPE Region transit ASes present in the Internet Routing Table:    2992
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:    4922
Number of RIPE addresses announced to Internet:               705542272
    Equivalent to 42 /8s, 13 /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:                   61513
    Total LACNIC prefixes after maximum aggregation:              12272
    LACNIC Deaggregation factor:                                   5.01
Prefixes being announced from the LACNIC address blocks:          76566
    Unique aggregates announced from the LACNIC address blocks:   36665
LACNIC Region origin ASes present in the Internet Routing Table:   2476
    LACNIC Prefixes per ASN:                                      30.92
LACNIC Region origin ASes announcing only one prefix:               562
LACNIC Region transit ASes present in the Internet Routing Table:   564
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2632
Number of LACNIC addresses announced to Internet:             170025536
    Equivalent to 10 /8s, 34 /16s and 98 /24s
    Percentage of available LACNIC address space announced:       101.3

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:                  14203
    Total AfriNIC prefixes after maximum aggregation:              3186
    AfriNIC Deaggregation factor:                                  4.46
Prefixes being announced from the AfriNIC address blocks:         16153
    Unique aggregates announced from the AfriNIC address blocks:   6053
AfriNIC Region origin ASes present in the Internet Routing Table:   737
    AfriNIC Prefixes per ASN:                                     21.92
AfriNIC Region origin ASes announcing only one prefix:              179
AfriNIC Region transit ASes present in the Internet Routing Table:  177
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  238
Number of AfriNIC addresses announced to Internet:             80838912
    Equivalent to 4 /8s, 209 /16s and 129 /24s
    Percentage of available AfriNIC address space announced:       80.3

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     5556       4191          75   ERX-CERNET-BKB China Education and Rese
 7545     3415        384         254   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3179      11144        1130   KIXS-AS-KR Korea Telecom, KR
17974     2937        907          82   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2560       1485         515   BSNL-NIB National Internet Backbone, IN
 1659     2492       1466          38   ERX-TANET-ASN1 Taiwan Academic Network 
 9808     2153       8761          40   CMNET-GD Guangdong Mobile Communication
 4755     2079        431         239   TATACOMM-AS TATA Communications formerl
 4808     1716       2317         556   CHINA169-BJ China Unicom Beijing Provin
38197     1494         93         274   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     3483       2965         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2225       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2197        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1928       1951         408   CHARTER-NET-HKY-NC - Charter Communicat
  209     1713       5103         656   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036     1689        339         438   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6983     1687        849         228   ITCDELTA - Earthlink, Inc., US
 7018     1346      20075        1000   ATT-INTERNET4 - AT&T Services, Inc., US
11492     1336        236         550   CABLEONE - CABLE ONE, INC., US
16509     1333       2475         422   AMAZON-02 - Amazon.com, 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     2715       1053        1923   AKAMAI-ASN1 , US
34984     1974        327         358   TELLCOM-AS , TR
 8551     1279        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12479     1277       1002          45   UNI2-AS , ES
 6849     1148        355          21   UKRTELNET , UA
13188     1090         98          65   BANKINFORM-AS , UA
 8402     1041        544          15   CORBINA-AS Russia, RU
31148     1017         47          44   FREENET-AS , UA
 6830      888       2752         462   LGI-UPC formerly known as UPC Broadband

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     3479        543         124   Telmex Colombia S.A., CO
 8151     2274       3365         560   Uninet S.A. de C.V., MX
 7303     1531        949         240   Telecom Argentina S.A., AR
11830     1489        369          66   Instituto Costarricense de Electricidad
 6503     1364        437          54   Axtel, S.A.B. de C.V., MX
 6147     1106        377          27   Telefonica del Peru S.A.A., PE
 3816     1001        477         179   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      877       2178         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     1228        402          48   LINKdotNET-AS, EG
36903      656        330         109   MT-MPLS, MA
37611      646         48           2   Afrihost, ZA
36992      541       1357          26   ETISALAT-MISR, EG
 8452      505       1472          15   TE-AS TE-AS, EG
37492      378        234          68   ORANGE-TN, TN
24835      329        594          15   RAYA-AS, EG
29571      299         37          12   CITelecom-AS, CI
 2018      257        327          74   TENET-1, ZA
36947      225        855          15   ALGTEL-AS, DZ

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     5556       4191          75   ERX-CERNET-BKB China Education and Rese
22773     3483       2965         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3479        543         124   Telmex Colombia S.A., CO
 7545     3415        384         254   TPG-INTERNET-AP TPG Telecom Limited, AU
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3179      11144        1130   KIXS-AS-KR Korea Telecom, KR
17974     2937        907          82   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2715       1053        1923   AKAMAI-ASN1 , US
 9829     2560       1485         515   BSNL-NIB National Internet Backbone, IN
 1659     2492       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
10620      3479        3355      Telmex Colombia S.A., CO
22773      3483        3339      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891      3329        3314      ALJAWWALSTC-AS , SA
 7545      3415        3161      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2937        2855      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 1659      2492        2454      ERX-TANET-ASN1 Taiwan Academic Network 
 6389      2225        2184      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9808      2153        2113      CMNET-GD Guangdong Mobile Communication
18566      2197        2087      MEGAPATH5-US - MegaPath Corporation, US
 4766      3179        2049      KIXS-AS-KR Korea Telecom, KR

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
65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM Verhnevolzhsky 
64502   RESERVED     92.38.215.0/24       12695       DINET-AS , RU

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     /14:1049    /15:1772    /16:13165   /17:7812    /18:12757   
/19:25309   /20:38237   /21:40145   /22:66925   /23:58566   /24:335940  
/25:562     /26:587     /27:377     /28:49      /29:32      /30:16      
/31:1       /32:32      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2717          3483      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2089          2197      MEGAPATH5-US - MegaPath Corporation, US
30036     1503          1689      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1440          2225      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1383          3479      Telmex Colombia S.A., CO
 6983     1339          1687      ITCDELTA - Earthlink, Inc., US
34984     1257          1974      TELLCOM-AS , TR
11492     1236          1336      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)
----------------------------------------------

   1:1577      2:728       4:21        5:2139      6:31        8:972    
  12:1777     13:41       14:1721     15:45       16:2        17:84     
  18:112      20:49       22:1        23:1690     24:1783     27:2282   
  31:1787     32:67       33:3        34:2        35:5        36:304    
  37:2267     38:1233     39:35       40:94       41:2740     42:444    
  43:1809     44:43       45:2095     46:2520     47:83       49:1158   
  50:892      51:20       52:515      54:338      55:9        56:7      
  57:42       58:1595     59:937      60:351      61:1832     62:1486   
  63:1931     64:4519     65:2176     66:4279     67:2217     68:1120   
  69:3286     70:1254     71:483      72:2026     74:2547     75:343    
  76:378      77:1429     78:1266     79:877      80:1249     81:1378   
  82:967      83:719      84:852      85:1599     86:483      87:1097   
  88:552      89:2020     90:189      91:6068     92:957      93:2381   
  94:2408     95:2472     96:522      97:372      98:948      99:41     
 100:75      101:1067    103:11555   104:2510    105:127     106:433    
 107:1392    108:662     109:2233    110:1277    111:1634    112:1022   
 113:1120    114:1080    115:1654    116:1610    117:1526    118:1980   
 119:1602    120:1268    121:1168    122:2185    123:2037    124:1582   
 125:1726    128:698     129:422     130:410     131:1343    132:597    
 133:175     134:467     135:135     136:379     137:394     138:1751   
 139:296     140:712     141:453     142:648     143:919     144:711    
 145:184     146:889     147:648     148:1362    149:533     150:653    
 151:1020    152:636     153:302     154:651     155:956     156:513    
 157:488     158:417     159:1141    160:505     161:726     162:2343   
 163:921     164:890     165:1055    166:314     167:1158    168:1969   
 169:670     170:1775    171:262     172:595     173:1641    174:755    
 175:721     176:1728    177:4056    178:2213    179:1134    180:2081   
 181:1814    182:1954    183:980     184:834     185:6927    186:2994   
 187:2069    188:2174    189:1725    190:7846    191:1262    192:9045   
 193:5723    194:4451    195:3830    196:1706    197:1048    198:5544   
 199:5747    200:7043    201:3752    202:10046   203:10041   204:4507   
 205:2728    206:2994    207:3103    208:4089    209:3881    210:4256   
 211:2039    212:2725    213:2302    214:870     215:70      216:5857   
 217:1984    218:801     219:623     220:1634    221:862     222:678    
 223:1269   

End of report



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