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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 19 20:11:42 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 20 Sep, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 511921 Prefixes after maximum aggregation: 198473 Deaggregation factor: 2.58 Unique aggregates announced to Internet: 251597 Total ASes present in the Internet Routing Table: 48035 Prefixes per ASN: 10.66 Origin-only ASes present in the Internet Routing Table: 36161 Origin ASes announcing only one prefix: 16351 Transit ASes present in the Internet Routing Table: 6146 Transit-only ASes present in the Internet Routing Table: 174 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 68 Max AS path prepend of ASN ( 55644) 61 Prefixes from unregistered ASNs in the Routing Table: 1700 Unregistered ASNs in the Routing Table: 458 Number of 32-bit ASNs allocated by the RIRs: 7444 Number of 32-bit ASNs visible in the Routing Table: 5728 Prefixes from 32-bit ASNs in the Routing Table: 20047 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 355 Number of addresses announced to Internet: 2709105124 Equivalent to 161 /8s, 121 /16s and 169 /24s Percentage of available address space announced: 73.2 Percentage of allocated address space announced: 73.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.9 Total number of prefixes smaller than registry allocations: 175598 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 125104 Total APNIC prefixes after maximum aggregation: 36537 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 128815 Unique aggregates announced from the APNIC address blocks: 52995 APNIC Region origin ASes present in the Internet Routing Table: 4975 APNIC Prefixes per ASN: 25.89 APNIC Region origin ASes announcing only one prefix: 1202 APNIC Region transit ASes present in the Internet Routing Table: 858 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 68 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of APNIC addresses announced to Internet: 734629952 Equivalent to 43 /8s, 201 /16s and 144 /24s Percentage of available APNIC address space announced: 85.9 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, 131072-135580 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: 170497 Total ARIN prefixes after maximum aggregation: 85240 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 172517 Unique aggregates announced from the ARIN address blocks: 80687 ARIN Region origin ASes present in the Internet Routing Table: 16358 ARIN Prefixes per ASN: 10.55 ARIN Region origin ASes announcing only one prefix: 6103 ARIN Region transit ASes present in the Internet Routing Table: 1694 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 198 Number of ARIN addresses announced to Internet: 1084451232 Equivalent to 64 /8s, 163 /16s and 105 /24s Percentage of available ARIN address space announced: 57.4 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: 124980 Total RIPE prefixes after maximum aggregation: 63152 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 129955 Unique aggregates announced from the RIPE address blocks: 82506 RIPE Region origin ASes present in the Internet Routing Table: 17713 RIPE Prefixes per ASN: 7.34 RIPE Region origin ASes announcing only one prefix: 8196 RIPE Region transit ASes present in the Internet Routing Table: 2894 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3064 Number of RIPE addresses announced to Internet: 658938244 Equivalent to 39 /8s, 70 /16s and 153 /24s Percentage of available RIPE address space announced: 95.8 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: 59873 Total LACNIC prefixes after maximum aggregation: 10670 LACNIC Deaggregation factor: 5.61 Prefixes being announced from the LACNIC address blocks: 68111 Unique aggregates announced from the LACNIC address blocks: 30388 LACNIC Region origin ASes present in the Internet Routing Table: 2316 LACNIC Prefixes per ASN: 29.41 LACNIC Region origin ASes announcing only one prefix: 635 LACNIC Region transit ASes present in the Internet Routing Table: 457 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: 1321 Number of LACNIC addresses announced to Internet: 170980736 Equivalent to 10 /8s, 48 /16s and 245 /24s Percentage of available LACNIC address space announced: 101.9 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: 11324 Total AfriNIC prefixes after maximum aggregation: 2828 AfriNIC Deaggregation factor: 4.00 Prefixes being announced from the AfriNIC address blocks: 12168 Unique aggregates announced from the AfriNIC address blocks: 4716 AfriNIC Region origin ASes present in the Internet Routing Table: 740 AfriNIC Prefixes per ASN: 16.44 AfriNIC Region origin ASes announcing only one prefix: 215 AfriNIC Region transit ASes present in the Internet Routing Table: 156 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: 51 Number of AfriNIC addresses announced to Internet: 59684608 Equivalent to 3 /8s, 142 /16s and 183 /24s Percentage of available AfriNIC address space announced: 59.3 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 4766 2938 11591 923 Korea Telecom 17974 2815 900 74 PT Telekomunikasi Indonesia 7545 2350 336 120 TPG Telecom Limited 4755 1906 413 192 TATA Communications formerly 9829 1641 1306 38 National Internet Backbone 4808 1398 2228 410 CNCGROUP IP network China169 9583 1321 105 542 Sify Limited 9498 1303 333 91 BHARTI Airtel Ltd. 9808 1259 6639 15 Guangdong Mobile Communicatio 7552 1228 1098 14 Viettel Corporation 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 2897 3688 51 BellSouth.net Inc. 22773 2893 2940 142 Cox Communications Inc. 18566 2046 379 178 MegaPath Corporation 7029 1923 1975 326 Windstream Communications Inc 20115 1787 1771 499 Charter Communications 4323 1630 1051 408 tw telecom holdings, inc. 30036 1525 320 578 Mediacom Communications Corp 6983 1503 817 311 ITC^Deltacom 701 1436 11242 719 MCI Communications Services, 22561 1308 408 237 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 34984 1815 299 283 TELLCOM ILETISIM HIZMETLERI A 20940 1473 571 1083 Akamai International B.V. 8402 1422 544 14 OJSC "Vimpelcom" 31148 1042 45 20 Freenet Ltd. 13188 1023 97 44 TOV "Bank-Inform" 8551 959 371 41 Bezeq International-Ltd 6849 838 356 26 JSC "Ukrtelecom" 12479 799 798 59 France Telecom Espana SA 6830 777 2335 432 Liberty Global Operations B.V 9198 662 346 28 JSC Kazakhtelecom 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 3029 2311 107 NET Serviços de Comunicação S 10620 2965 481 251 Telmex Colombia S.A. 18881 2104 1036 22 Global Village Telecom 6147 1842 374 30 Telefonica del Peru S.A.A. 7303 1756 1166 233 Telecom Argentina S.A. 8151 1471 3016 432 Uninet S.A. de C.V. 6503 1125 434 62 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 27947 909 130 51 Telconet S.A 26615 881 2325 35 Tim Celular S.A. 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 949 280 26 Link Egypt (Link.NET) 6713 678 760 38 Office National des Postes et 8452 559 958 13 TE-AS 36992 341 816 29 ETISALAT MISR 24835 307 144 9 Vodafone Data 3741 249 920 212 Internet Solutions 29571 242 22 17 Cote d'Ivoire Telecom 37054 232 19 6 Data Telecom Service 15706 186 17 6 Sudatel (Sudan Telecom Co. Lt 12258 174 26 71 MWEB CONNECT (PROPRIETARY) LI 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 3029 2311 107 NET Serviços de Comunicação S 10620 2965 481 251 Telmex Colombia S.A. 4766 2938 11591 923 Korea Telecom 6389 2897 3688 51 BellSouth.net Inc. 22773 2893 2940 142 Cox Communications Inc. 17974 2815 900 74 PT Telekomunikasi Indonesia 7545 2350 336 120 TPG Telecom Limited 18881 2104 1036 22 Global Village Telecom 18566 2046 379 178 MegaPath Corporation 7029 1923 1975 326 Windstream Communications Inc 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 2897 2846 BellSouth.net Inc. 22773 2893 2751 Cox Communications Inc. 17974 2815 2741 PT Telekomunikasi Indonesia 10620 2965 2714 Telmex Colombia S.A. 7545 2350 2230 TPG Telecom Limited 18881 2104 2082 Global Village Telecom 4766 2938 2015 Korea Telecom 18566 2046 1868 MegaPath Corporation 6147 1842 1812 Telefonica del Peru S.A.A. 4755 1906 1714 TATA Communications formerly 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 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 55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 37.16.88.0/23 57652 >>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<< 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 /10:31 /11:90 /12:262 /13:504 /14:998 /15:1714 /16:13030 /17:7089 /18:11782 /19:24618 /20:35257 /21:37713 /22:54763 /23:48020 /24:273112 /25:1083 /26:1047 /27:725 /28:14 /29:18 /30:10 /31:1 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2128 2893 Cox Communications Inc. 18566 2001 2046 MegaPath Corporation 6389 1676 2897 BellSouth.net Inc. 6147 1404 1842 Telefonica del Peru S.A.A. 30036 1370 1525 Mediacom Communications Corp 6983 1196 1503 ITC^Deltacom 7029 1139 1923 Windstream Communications Inc 34984 1136 1815 TELLCOM ILETISIM HIZMETLERI A 11492 1123 1171 CABLE ONE, INC. 8402 1093 1422 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1334 2:663 3:3 4:18 5:1108 6:21 8:754 12:1852 13:4 14:1124 15:17 16:2 17:41 18:21 20:51 23:922 24:1753 27:1780 31:1415 32:39 33:2 34:5 36:146 37:1781 38:992 39:19 40:224 41:2621 42:271 43:372 44:16 45:73 46:2166 47:25 49:734 50:804 52:12 54:52 55:5 56:6 57:32 58:1219 59:661 60:428 61:1713 62:1272 63:1830 64:4409 65:2295 66:4200 67:2036 68:1049 69:3282 70:864 71:472 72:1996 74:2584 75:372 76:425 77:1605 78:852 79:730 80:1323 81:1203 82:786 83:777 84:739 85:1326 86:445 87:1164 88:467 89:1754 90:136 91:5756 92:767 93:1787 94:1993 95:1299 96:432 97:342 98:1150 99:48 100:66 101:724 103:5627 104:250 105:135 106:184 107:612 108:572 109:1977 110:1034 111:1343 112:718 113:887 114:779 115:1213 116:1119 117:1002 118:1569 119:1422 120:437 121:971 122:2195 123:1613 124:1435 125:1578 128:612 129:348 130:369 131:806 132:431 133:165 134:321 135:78 136:299 137:291 138:383 139:204 140:219 141:414 142:579 143:445 144:505 145:112 146:685 147:558 148:968 149:435 150:494 151:705 152:468 153:240 154:348 155:537 156:367 157:328 158:277 159:936 160:324 161:602 162:1763 163:356 164:697 165:660 166:363 167:681 168:1120 169:123 170:1401 171:183 172:61 173:1636 174:712 175:609 176:1495 177:3534 178:2083 179:796 180:1767 181:1622 182:1654 183:540 184:719 185:2082 186:2966 187:1706 188:2197 189:1489 190:7914 191:747 192:7558 193:5512 194:4051 195:3583 196:1435 197:657 198:5149 199:5484 200:6508 201:2910 202:9156 203:8998 204:4564 205:2654 206:2952 207:2935 208:3916 209:3751 210:3303 211:1826 212:2333 213:2146 214:861 215:86 216:5685 217:1696 218:614 219:394 220:1368 221:687 222:486 223:595 End of report
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