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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Apr 4 20:14:02 CEST 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 05 Apr, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 491178 Prefixes after maximum aggregation: 192805 Deaggregation factor: 2.55 Unique aggregates announced to Internet: 242078 Total ASes present in the Internet Routing Table: 46547 Prefixes per ASN: 10.55 Origin-only ASes present in the Internet Routing Table: 35729 Origin ASes announcing only one prefix: 16379 Transit ASes present in the Internet Routing Table: 6052 Transit-only ASes present in the Internet Routing Table: 172 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: 1892 Unregistered ASNs in the Routing Table: 474 Number of 32-bit ASNs allocated by the RIRs: 6323 Number of 32-bit ASNs visible in the Routing Table: 4766 Prefixes from 32-bit ASNs in the Routing Table: 15525 Number of bogon 32-bit ASNs visible in the Routing Table: 78 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 446 Number of addresses announced to Internet: 2665473028 Equivalent to 158 /8s, 223 /16s and 228 /24s Percentage of available address space announced: 72.0 Percentage of allocated address space announced: 72.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.0 Total number of prefixes smaller than registry allocations: 171352 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 116725 Total APNIC prefixes after maximum aggregation: 34817 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 119479 Unique aggregates announced from the APNIC address blocks: 49894 APNIC Region origin ASes present in the Internet Routing Table: 4915 APNIC Prefixes per ASN: 24.31 APNIC Region origin ASes announcing only one prefix: 1229 APNIC Region transit ASes present in the Internet Routing Table: 850 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 891 Number of APNIC addresses announced to Internet: 730414720 Equivalent to 43 /8s, 137 /16s and 62 /24s Percentage of available APNIC address space announced: 85.4 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: 167494 Total ARIN prefixes after maximum aggregation: 83096 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 168900 Unique aggregates announced from the ARIN address blocks: 78489 ARIN Region origin ASes present in the Internet Routing Table: 16209 ARIN Prefixes per ASN: 10.42 ARIN Region origin ASes announcing only one prefix: 6112 ARIN Region transit ASes present in the Internet Routing Table: 1671 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 80 Number of ARIN addresses announced to Internet: 1069441152 Equivalent to 63 /8s, 190 /16s and 96 /24s Percentage of available ARIN address space announced: 56.6 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: 123273 Total RIPE prefixes after maximum aggregation: 62194 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 127488 Unique aggregates announced from the RIPE address blocks: 80791 RIPE Region origin ASes present in the Internet Routing Table: 17658 RIPE Prefixes per ASN: 7.22 RIPE Region origin ASes announcing only one prefix: 8283 RIPE Region transit ASes present in the Internet Routing Table: 2873 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: 2686 Number of RIPE addresses announced to Internet: 657873284 Equivalent to 39 /8s, 54 /16s and 89 /24s Percentage of available RIPE address space announced: 95.6 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, 196608-202239 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: 55600 Total LACNIC prefixes after maximum aggregation: 10002 LACNIC Deaggregation factor: 5.56 Prefixes being announced from the LACNIC address blocks: 61721 Unique aggregates announced from the LACNIC address blocks: 28279 LACNIC Region origin ASes present in the Internet Routing Table: 2085 LACNIC Prefixes per ASN: 29.60 LACNIC Region origin ASes announcing only one prefix: 550 LACNIC Region transit ASes present in the Internet Routing Table: 427 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1089 Number of LACNIC addresses announced to Internet: 154294400 Equivalent to 9 /8s, 50 /16s and 88 /24s Percentage of available LACNIC address space announced: 92.0 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: 12458 Total AfriNIC prefixes after maximum aggregation: 2659 AfriNIC Deaggregation factor: 4.69 Prefixes being announced from the AfriNIC address blocks: 13144 Unique aggregates announced from the AfriNIC address blocks: 4247 AfriNIC Region origin ASes present in the Internet Routing Table: 717 AfriNIC Prefixes per ASN: 18.33 AfriNIC Region origin ASes announcing only one prefix: 205 AfriNIC Region transit ASes present in the Internet Routing Table: 152 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 20 Number of AfriNIC addresses announced to Internet: 53136640 Equivalent to 3 /8s, 42 /16s and 205 /24s Percentage of available AfriNIC address space announced: 52.8 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 2963 11582 897 Korea Telecom 17974 2780 903 78 PT Telekomunikasi Indonesia 7545 2230 320 116 TPG Telecom Limited 4755 1844 396 197 TATA Communications formerly 9829 1618 1288 35 National Internet Backbone 4808 1365 2226 386 CNCGROUP IP network China169 9583 1317 102 534 Sify Limited 9498 1252 313 82 BHARTI Airtel Ltd. 7552 1223 1082 13 Viettel Corporation 24560 1123 384 177 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 3005 3688 53 BellSouth.net Inc. 22773 2412 2938 140 Cox Communications Inc. 1785 2188 696 126 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 20115 1699 1679 576 Charter Communications 4323 1636 1074 415 tw telecom holdings, inc. 701 1482 11156 753 MCI Communications Services, 30036 1395 301 545 Mediacom Communications Corp 6983 1327 800 307 ITC^Deltacom 22561 1304 402 232 CenturyTel Internet Holdings, 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 1674 544 16 OJSC "Vimpelcom" 34984 1556 263 279 TELLCOM ILETISIM HIZMETLERI A 20940 1278 486 963 Akamai International B.V. 13188 1049 100 28 TOV "Bank-Inform" 31148 1017 45 21 Freenet Ltd. 8551 965 370 41 Bezeq International-Ltd 6849 830 360 30 JSC "Ukrtelecom" 6830 763 2329 426 Liberty Global Operations B.V 12479 714 797 56 France Telecom Espana SA 35228 554 246 16 Telefonica UK Limited 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 3672 1948 97 NET Serviços de Comunicação S 10620 2817 451 205 Telmex Colombia S.A. 18881 1923 972 21 Global Village Telecom 7303 1753 1173 229 Telecom Argentina S.A. 8151 1395 2922 405 Uninet S.A. de C.V. 6503 1154 434 61 Axtel, S.A.B. de C.V. 7738 914 1754 40 Telemar Norte Leste S.A. 27947 864 114 50 Telconet S.A 11830 844 364 15 Instituto Costarricense de El 3816 792 320 129 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 1637 240 6 Sudanese Mobile Telephone (ZA 24863 948 280 26 Link Egypt (Link.NET) 6713 612 721 27 Office National des Postes et 8452 567 958 13 TE-AS 24835 304 144 9 Vodafone Data 36992 284 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 15706 219 32 6 Sudatel (Sudan Telecom Co. Lt 29571 218 22 18 Cote d'Ivoire Telecom 37054 215 23 11 Data Telecom Service 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 3672 1948 97 NET Serviços de Comunicação S 6389 3005 3688 53 BellSouth.net Inc. 4766 2963 11582 897 Korea Telecom 10620 2817 451 205 Telmex Colombia S.A. 17974 2780 903 78 PT Telekomunikasi Indonesia 22773 2412 2938 140 Cox Communications Inc. 7545 2230 320 116 TPG Telecom Limited 1785 2188 696 126 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 18881 1923 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 3005 2952 BellSouth.net Inc. 17974 2780 2702 PT Telekomunikasi Indonesia 10620 2817 2612 Telmex Colombia S.A. 22773 2412 2272 Cox Communications Inc. 7545 2230 2114 TPG Telecom Limited 4766 2963 2066 Korea Telecom 1785 2188 2062 PaeTec Communications, Inc. 18881 1923 1902 Global Village Telecom 18566 2047 1869 MegaPath Corporation 8402 1674 1658 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 65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS 65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS 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 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<< 41.73.14.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 37004 >>UNKNOWN<< 41.73.16.0/24 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 /12:257 /13:478 /14:954 /15:1660 /16:12904 /17:6802 /18:11542 /19:24042 /20:33931 /21:36636 /22:52400 /23:45878 /24:261200 /25:846 /26:1001 /27:420 /28:13 /29:19 /30:8 /31:1 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2002 2047 MegaPath Corporation 6389 1695 3005 BellSouth.net Inc. 22773 1650 2412 Cox Communications Inc. 36998 1599 1637 Sudanese Mobile Telephone (ZA 8402 1349 1674 OJSC "Vimpelcom" 30036 1233 1395 Mediacom Communications Corp 11492 1182 1230 CABLE ONE, INC. 1785 1166 2188 PaeTec Communications, Inc. 6983 1044 1327 ITC^Deltacom 34984 1023 1556 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1020 2:704 3:3 4:15 5:925 6:19 8:721 12:1858 13:4 14:971 15:13 16:2 17:31 18:21 20:35 23:775 24:1736 25:1 27:1779 31:1524 32:40 33:2 34:5 36:128 37:1830 38:942 39:4 40:197 41:3249 42:245 44:15 46:2184 47:18 49:682 50:918 52:12 54:46 55:6 57:27 58:1169 59:604 60:390 61:1530 62:1247 63:1989 64:4350 65:2271 66:4167 67:2057 68:1033 69:3319 70:843 71:452 72:1988 74:2646 75:314 76:426 77:1467 78:1031 79:718 80:1309 81:1142 82:733 83:742 84:706 85:1235 86:438 87:1194 88:521 89:1793 90:140 91:5753 92:663 93:1699 94:2066 95:1524 96:540 97:350 98:1074 99:46 100:50 101:835 103:4566 105:536 106:169 107:583 108:561 109:2053 110:981 111:1285 112:656 113:846 114:880 115:1109 116:1065 117:875 118:1389 119:1333 120:372 121:802 122:1909 123:1290 124:1466 125:1460 128:660 129:322 130:352 131:652 132:386 133:163 134:318 135:74 136:249 137:321 138:353 139:167 140:211 141:356 142:569 143:427 144:500 145:103 146:614 147:440 148:923 149:349 150:161 151:599 152:423 153:219 154:243 155:471 156:336 157:339 158:239 159:881 160:344 161:478 162:1301 163:222 164:682 165:613 166:281 167:605 168:1025 169:124 170:1313 171:191 172:21 173:1650 174:688 175:616 176:1474 177:2863 178:1977 179:653 180:1680 181:1091 182:1529 183:510 184:705 185:1472 186:2790 187:1489 188:1914 189:1452 190:7415 191:165 192:7187 193:5471 194:4025 195:3372 196:1399 197:1137 198:5008 199:5621 200:6074 201:2641 202:9041 203:8911 204:4679 205:2694 206:2960 207:2981 208:4004 209:3729 210:3101 211:1707 212:2225 213:2074 214:900 215:85 216:5525 217:1694 218:582 219:319 220:1282 221:594 222:351 223:617 End of report
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