This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from RENU's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 18:35 GMT Sat 04 Nov, 2023 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 948707 Prefixes after maximum aggregation (per Origin AS): 355032 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 453898 Number of IPv4 prefixes with a valid ROA: 438100 Number of IPv4 prefixes with an invalid ROA: 1591 Number of IPv4 prefixes with no ROA: 509016 Total ASes present in the Internet Routing Table: 74943 Prefixes per ASN: 12.66 Origin-only ASes present in the Internet Routing Table: 64559 Origin ASes announcing only one prefix: 25988 Transit ASes present in the Internet Routing Table: 10384 Transit-only ASes present in the Internet Routing Table: 468 Paths with bogon ASNs present in the IPv4 Routing Table: 94 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 59 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1061 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 43008 Number of 32-bit ASNs visible in the Routing Table: 35294 Prefixes from 32-bit ASNs in the Routing Table: 182029 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3050016512 Equivalent to 181 /8s, 203 /16s and 143 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 319542 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244976 Total APNIC prefixes after maximum aggregation: 70747 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 238246 Unique aggregates announced from the APNIC address blocks: 98601 APNIC Region origin ASes present in the Internet Routing Table: 13669 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 4093 APNIC Region transit ASes present in the Internet Routing Table: 1820 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9044 Number of APNIC addresses announced to Internet: 771704576 Equivalent to 45 /8s, 255 /16s and 71 /24s 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, 131072-153913 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: 277119 Total ARIN prefixes after maximum aggregation: 124340 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 281816 Unique aggregates announced from the ARIN address blocks: 132362 ARIN Region origin ASes present in the Internet Routing Table: 19070 ARIN Prefixes per ASN: 14.78 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1885 Average ARIN Region AS path length visible: 7.6 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1277152768 Equivalent to 76 /8s, 31 /16s and 206 /24s 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, 393216-401308 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, 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: 265693 Total RIPE prefixes after maximum aggregation: 124623 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 260055 Unique aggregates announced from the RIPE address blocks: 160630 RIPE Region origin ASes present in the Internet Routing Table: 28491 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12069 RIPE Region transit ASes present in the Internet Routing Table: 3831 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11426 Number of RIPE addresses announced to Internet: 715044352 Equivalent to 42 /8s, 158 /16s and 182 /24s 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, 64396-64495 196608-216475 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: 127540 Total LACNIC prefixes after maximum aggregation: 28548 LACNIC Deaggregation factor: 4.47 Prefixes being announced from the LACNIC address blocks: 126299 Unique aggregates announced from the LACNIC address blocks: 49318 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 11.44 LACNIC Region origin ASes announcing only one prefix: 2284 LACNIC Region transit ASes present in the Internet Routing Table: 2339 Average LACNIC Region AS path length visible: 8.5 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8867 Number of LACNIC addresses announced to Internet: 178455040 Equivalent to 10 /8s, 163 /16s and 2 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 32318 Total AfriNIC prefixes after maximum aggregation: 6038 AfriNIC Deaggregation factor: 5.35 Prefixes being announced from the AfriNIC address blocks: 41775 Unique aggregates announced from the AfriNIC address blocks: 12556 AfriNIC Region origin ASes present in the Internet Routing Table: 1797 AfriNIC Prefixes per ASN: 23.25 AfriNIC Region origin ASes announcing only one prefix: 587 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 6.7 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1141 Number of AfriNIC addresses announced to Internet: 107235072 Equivalent to 6 /8s, 100 /16s and 71 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9808 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3804 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3574 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3327 1872 97 VNPT-AS-VN VNPT Corp, VN 9498 3249 491 242 BBIL-AP BHARTI Airtel Ltd., IN 24560 2572 851 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 197 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9141 11015 3324 AMAZON-02, US 11492 4541 301 673 CABLEONE, US 7155 4173 288 99 VIASAT-SP-BACKBONE, US 174 3871 6659 626 COGENT-174, US 6327 3547 1320 67 SHAW, CA 22773 3516 3055 301 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 367 3068 3851 1447 DNIC-ASBLK-00306-00371, US 16625 3065 1398 2314 AKAMAI-AS, US 396982 2709 3598 400 GOOGLE-CLOUD-PLATFORM, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7405 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4027 3397 140 AKAMAI-ASN1, NL 8551 3446 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3425 297 1598 M247, RO 12389 2896 2297 916 ROSTELECOM-AS, RU 34984 2323 361 592 TELLCOM-AS, TR 58224 1662 913 569 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1498 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11957 3373 611 UNINET, MX 10620 3544 504 860 Telmex Colombia S.A., CO 13999 2429 331 636 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1296 777 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 28202 1099 52 9 Rede Brasileira de Comunicacao SA, BR 11664 1058 168 430 Techtel LMDS Comunicaciones Interactiva Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1604 391 38 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 37457 561 319 45 Telkom-Internet, ZA 6713 552 1861 34 IAM-AS, MA 15399 538 55 48 WANANCHI-, KE 36914 529 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11957 3373 611 UNINET, MX 9808 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9141 11015 3324 AMAZON-02, US 12479 7405 1713 145 UNI2-AS, ES 7545 5713 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4541 301 673 CABLEONE, US 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 99 VIASAT-SP-BACKBONE, US 20940 4027 3397 140 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9524 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7405 7260 UNI2-AS, ES 16509 9141 5817 AMAZON-02, US 7545 5713 5020 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4250 4225 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4074 VIASAT-SP-BACKBONE, US 20940 4027 3887 AKAMAI-ASN1, NL 11492 4541 3868 CABLEONE, US 7552 3804 3784 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin Complete listing at https://bgp.nsrc.org/REN/RENU/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 /9:14 /10:37 /11:100 /12:299 /13:580 /14:1204 /15:2117 /16:13527 /17:8376 /18:14007 /19:25174 /20:44102 /21:52190 /22:111514 /23:103012 /24:572438 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6495 7405 UNI2-AS, ES 8151 5978 11957 UNINET, MX 11492 3454 4541 CABLEONE, US 6327 3356 3547 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2923 3446 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2570 3516 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3544 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2214 2:1439 3:271 4:7 5:4492 6:161 7:6 8:1529 9:1 11:172 12:1497 13:353 14:2314 15:304 16:198 17:368 18:666 20:335 21:4 22:188 23:6509 24:2943 25:2 27:2652 29:19 31:2586 32:75 34:29 35:117 36:2019 37:4498 38:6608 39:867 40:149 41:4363 42:2067 43:2309 44:327 45:17380 46:4395 47:372 49:1873 50:1892 51:577 52:1589 54:391 55:801 56:5 57:137 58:1893 59:1113 60:1012 61:2634 62:2760 63:1909 64:5685 65:2363 66:5105 67:3091 68:1352 69:4162 70:1348 71:632 72:3009 74:2660 75:1599 76:637 77:2449 78:1840 79:3009 80:2131 81:1892 82:1537 83:1320 84:1605 85:3034 86:773 87:2037 88:1277 89:3975 90:626 91:7985 92:2127 93:2643 94:3612 95:4016 96:1302 97:314 98:1086 99:735 100:91 101:1381 102:3272 103:32282 104:4804 105:732 106:978 107:2794 108:1149 109:4287 110:2131 111:3138 112:2066 113:1750 114:1710 115:2073 116:1948 117:2542 118:2705 119:1958 120:1750 121:1195 122:2641 123:2198 124:1572 125:2595 128:1485 129:988 130:1080 131:2077 132:867 133:408 134:1691 135:342 136:912 137:994 138:2879 139:1560 140:1330 141:1334 142:1554 143:1578 144:997 145:342 146:1979 147:1632 148:2471 149:2427 150:893 151:1243 152:1975 153:604 154:5546 155:1405 156:2114 157:1363 158:1060 159:2200 160:2686 161:1604 162:3527 163:1625 164:1737 165:1904 166:1062 167:1769 168:4019 169:810 170:4894 171:961 172:3882 173:3028 174:979 175:1210 176:3685 177:5453 178:3558 179:2440 180:2291 181:3613 182:3362 183:1968 184:2268 185:20854 186:5092 187:4636 188:4177 189:4250 190:9421 191:1855 192:10993 193:9002 194:7369 195:5314 196:3370 197:2692 198:5992 199:6439 200:8240 201:6306 202:10481 203:10192 204:4575 205:3719 206:4423 207:3504 208:4149 209:4932 210:4314 211:2463 212:4311 213:3432 214:1114 215:71 216:6791 217:2865 218:1294 219:410 220:1794 221:999 222:679 223:2158 End of report