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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Feb 21 19:11:58 CET 2014
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, LacNOG, TRNOG, CaribNOG and the RIPE Routing Working Group. 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 22 Feb, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 483198 Prefixes after maximum aggregation: 191729 Deaggregation factor: 2.52 Unique aggregates announced to Internet: 239336 Total ASes present in the Internet Routing Table: 46226 Prefixes per ASN: 10.45 Origin-only ASes present in the Internet Routing Table: 35611 Origin ASes announcing only one prefix: 16405 Transit ASes present in the Internet Routing Table: 6049 Transit-only ASes present in the Internet Routing Table: 173 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 53 Max AS path prepend of ASN ( 50404) 51 Prefixes from unregistered ASNs in the Routing Table: 1881 Unregistered ASNs in the Routing Table: 488 Number of 32-bit ASNs allocated by the RIRs: 5975 Number of 32-bit ASNs visible in the Routing Table: 4566 Prefixes from 32-bit ASNs in the Routing Table: 14720 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 435 Number of addresses announced to Internet: 2657187844 Equivalent to 158 /8s, 97 /16s and 120 /24s Percentage of available address space announced: 71.8 Percentage of allocated address space announced: 71.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 95.8 Total number of prefixes smaller than registry allocations: 168859 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 114566 Total APNIC prefixes after maximum aggregation: 34472 APNIC Deaggregation factor: 3.32 Prefixes being announced from the APNIC address blocks: 117125 Unique aggregates announced from the APNIC address blocks: 49266 APNIC Region origin ASes present in the Internet Routing Table: 4889 APNIC Prefixes per ASN: 23.96 APNIC Region origin ASes announcing only one prefix: 1225 APNIC Region transit ASes present in the Internet Routing Table: 849 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 843 Number of APNIC addresses announced to Internet: 731163776 Equivalent to 43 /8s, 148 /16s and 172 /24s Percentage of available APNIC address space announced: 85.5 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 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: 165378 Total ARIN prefixes after maximum aggregation: 82750 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 166722 Unique aggregates announced from the ARIN address blocks: 77354 ARIN Region origin ASes present in the Internet Routing Table: 16154 ARIN Prefixes per ASN: 10.32 ARIN Region origin ASes announcing only one prefix: 6109 ARIN Region transit ASes present in the Internet Routing Table: 1679 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 21 Number of ARIN region 32-bit ASNs visible in the Routing Table: 66 Number of ARIN addresses announced to Internet: 1066115712 Equivalent to 63 /8s, 139 /16s and 162 /24s Percentage of available ARIN address space announced: 56.4 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, 393216-394239 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: 122196 Total RIPE prefixes after maximum aggregation: 61905 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 126208 Unique aggregates announced from the RIPE address blocks: 80452 RIPE Region origin ASes present in the Internet Routing Table: 17650 RIPE Prefixes per ASN: 7.15 RIPE Region origin ASes announcing only one prefix: 8321 RIPE Region transit ASes present in the Internet Routing Table: 2874 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 53 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2631 Number of RIPE addresses announced to Internet: 656485252 Equivalent to 39 /8s, 33 /16s and 43 /24s Percentage of available RIPE address space announced: 95.4 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, 196608-200191 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: 54382 Total LACNIC prefixes after maximum aggregation: 9946 LACNIC Deaggregation factor: 5.47 Prefixes being announced from the LACNIC address blocks: 60169 Unique aggregates announced from the LACNIC address blocks: 27789 LACNIC Region origin ASes present in the Internet Routing Table: 2072 LACNIC Prefixes per ASN: 29.04 LACNIC Region origin ASes announcing only one prefix: 550 LACNIC Region transit ASes present in the Internet Routing Table: 419 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1016 Number of LACNIC addresses announced to Internet: 151669120 Equivalent to 9 /8s, 10 /16s and 73 /24s Percentage of available LACNIC address space announced: 90.4 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 plus 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: 11838 Total AfriNIC prefixes after maximum aggregation: 2618 AfriNIC Deaggregation factor: 4.52 Prefixes being announced from the AfriNIC address blocks: 12539 Unique aggregates announced from the AfriNIC address blocks: 4114 AfriNIC Region origin ASes present in the Internet Routing Table: 696 AfriNIC Prefixes per ASN: 18.02 AfriNIC Region origin ASes announcing only one prefix: 200 AfriNIC Region transit ASes present in the Internet Routing Table: 145 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10 Number of AfriNIC addresses announced to Internet: 51426816 Equivalent to 3 /8s, 16 /16s and 182 /24s Percentage of available AfriNIC address space announced: 51.1 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 4766 2983 11564 891 Korea Telecom 17974 2752 902 88 PT Telekomunikasi Indonesia 7545 2187 320 117 TPG Telecom Limited 4755 1837 396 197 TATA Communications formerly 9829 1504 1282 41 National Internet Backbone 9583 1304 102 534 Sify Limited 7552 1231 1082 13 Viettel Corporation 9498 1226 309 69 BHARTI Airtel Ltd. 4808 1169 2116 354 CNCGROUP IP network China169 24560 1106 376 172 Bharti Airtel Ltd., Telemedia 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 6389 3023 3688 53 BellSouth.net Inc. 22773 2323 2938 139 Cox Communications Inc. 1785 2164 691 130 PaeTec Communications, Inc. 18566 2048 379 178 MegaPath Corporation 20115 1692 1673 576 Charter Communications 4323 1619 1089 411 tw telecom holdings, inc. 701 1496 11175 767 MCI Communications Services, 30036 1377 297 564 Mediacom Communications Corp 6983 1300 772 581 ITC^Deltacom 7018 1291 18003 836 AT&T Services, Inc. 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 8402 1814 544 16 OJSC "Vimpelcom" 34984 1403 243 225 TELLCOM ILETISIM HIZMETLERI A 20940 1227 453 922 Akamai International B.V. 13188 1048 100 28 TOV "Bank-Inform" 31148 1017 45 21 Freenet Ltd. 8551 893 370 41 Bezeq International-Ltd 6849 860 362 37 JSC "Ukrtelecom" 6830 773 2331 424 Liberty Global Operations B.V 12479 714 800 50 France Telecom Espana SA 35819 563 634 74 Bayanat Al-Oula For Network S 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 28573 3485 1903 91 NET Serviços de Comunicação S 10620 2749 440 199 Telmex Colombia S.A. 18881 1901 972 21 Global Village Telecom 7303 1740 1170 219 Telecom Argentina S.A. 8151 1380 2900 419 Uninet S.A. de C.V. 6503 932 434 61 Axtel, S.A.B. de C.V. 11830 869 364 15 Instituto Costarricense de El 27947 847 101 88 Telconet S.A 7738 845 1626 38 Telemar Norte Leste S.A. 3816 779 314 125 COLOMBIA TELECOMUNICACIONES S 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 36998 1630 240 6 Sudanese Mobile Telephone (ZA 24863 917 380 28 Link Egypt (Link.NET) 6713 602 685 28 Office National des Postes et 8452 487 958 13 TE-AS 24835 298 144 9 Vodafone Data 36992 264 783 24 ETISALAT MISR 29571 248 22 17 Cote d'Ivoire Telecom 3741 247 921 208 Internet Solutions 15706 219 32 6 Sudatel (Sudan Telecom Co. Lt 29975 192 668 21 Vodacom 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 28573 3485 1903 91 NET Serviços de Comunicação S 6389 3023 3688 53 BellSouth.net Inc. 4766 2983 11564 891 Korea Telecom 17974 2752 902 88 PT Telekomunikasi Indonesia 10620 2749 440 199 Telmex Colombia S.A. 22773 2323 2938 139 Cox Communications Inc. 7545 2187 320 117 TPG Telecom Limited 1785 2164 691 130 PaeTec Communications, Inc. 18566 2048 379 178 MegaPath Corporation 18881 1901 972 21 Global Village Telecom Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 3023 2970 BellSouth.net Inc. 17974 2752 2664 PT Telekomunikasi Indonesia 10620 2749 2550 Telmex Colombia S.A. 22773 2323 2184 Cox Communications Inc. 4766 2983 2092 Korea Telecom 7545 2187 2070 TPG Telecom Limited 1785 2164 2034 PaeTec Communications, Inc. 18881 1901 1880 Global Village Telecom 18566 2048 1870 MegaPath Corporation 8402 1814 1798 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.100.7.0/24 56096 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 37004 >>UNKNOWN<< 41.73.13.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 37004 >>UNKNOWN<< 41.73.16.0/24 37004 >>UNKNOWN<< 41.73.18.0/24 37004 >>UNKNOWN<< 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 /9:12 /10:30 /11:90 /12:255 /13:476 /14:952 /15:1651 /16:12850 /17:6753 /18:11477 /19:23687 /20:33381 /21:36211 /22:51727 /23:45050 /24:256348 /25:794 /26:952 /27:438 /28:12 /29:17 /30:7 /31:1 /32:11 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2003 2048 MegaPath Corporation 6389 1696 3023 BellSouth.net Inc. 36998 1599 1630 Sudanese Mobile Telephone (ZA 22773 1565 2323 Cox Communications Inc. 8402 1496 1814 OJSC "Vimpelcom" 30036 1215 1377 Mediacom Communications Corp 11492 1165 1203 CABLE ONE, INC. 1785 1160 2164 PaeTec Communications, Inc. 6983 1040 1300 ITC^Deltacom 22561 990 1276 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:932 2:809 3:3 4:16 5:901 6:19 8:656 12:1850 13:3 14:956 15:9 16:3 17:24 18:21 20:35 23:683 24:1715 27:1750 31:1578 32:44 33:2 34:5 36:118 37:1933 38:930 39:4 40:191 41:3082 42:243 44:18 46:2120 47:13 49:675 50:921 52:12 54:56 55:5 57:26 58:1149 59:593 60:372 61:1525 62:1249 63:1966 64:4371 65:2248 66:4192 67:2063 68:1024 69:3304 70:853 71:468 72:1999 74:2667 75:310 76:311 77:1216 78:1044 79:693 80:1295 81:1124 82:665 83:742 84:761 85:1242 86:449 87:1064 88:518 89:1740 90:151 91:5716 92:667 93:1679 94:2027 95:1475 96:535 97:352 98:1070 99:41 100:34 101:781 103:4219 105:535 106:164 107:482 108:542 109:2099 110:981 111:1253 112:618 113:829 114:790 115:1074 116:1033 117:872 118:1267 119:1307 120:341 121:789 122:1914 123:1257 124:1419 125:1450 128:642 129:245 130:360 131:659 132:356 133:157 134:312 135:74 136:249 137:300 138:348 139:157 140:206 141:359 142:553 143:418 144:504 145:98 146:599 147:446 148:791 149:345 150:150 151:600 152:421 153:204 154:86 155:524 156:325 157:367 158:293 159:865 160:356 161:474 162:1154 163:218 164:677 165:609 166:278 167:593 168:1048 169:124 170:1183 171:196 172:16 173:1590 174:679 175:589 176:1451 177:2788 178:1979 179:469 180:1624 181:974 182:1434 183:496 184:697 185:1299 186:2826 187:1452 188:1988 189:1276 190:7443 191:103 192:7102 193:5455 194:4014 195:3368 196:1365 197:1107 198:4918 199:5585 200:6064 201:2561 202:8968 203:8872 204:4482 205:2663 206:2933 207:2882 208:3965 209:3673 210:3092 211:1697 212:2210 213:2030 214:877 215:84 216:5508 217:1709 218:567 219:322 220:1289 221:595 222:336 223:618 End of report
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