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 03 Feb, 2024 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: 954466 Prefixes after maximum aggregation (per Origin AS): 357029 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 456184 Number of IPv4 prefixes with a valid ROA: 451690 Number of IPv4 prefixes with an invalid ROA: 1161 Number of IPv4 prefixes with no ROA: 501615 Total ASes present in the Internet Routing Table: 75326 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 64805 Origin ASes announcing only one prefix: 26128 Transit ASes present in the Internet Routing Table: 10521 Transit-only ASes present in the Internet Routing Table: 484 Paths with bogon ASNs present in the IPv4 Routing Table: 98 Average AS path length visible in the Internet Routing Table: 7.9 Max AS path length visible: 59 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1118 Number of instances of unregistered ASNs: 1120 Number of 32-bit ASNs allocated by the RIRs: 43560 Number of 32-bit ASNs visible in the Routing Table: 35792 Prefixes from 32-bit ASNs in the Routing Table: 185536 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 502 Number of addresses announced to Internet: 3042617344 Equivalent to 181 /8s, 90 /16s and 168 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 319262 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247847 Total APNIC prefixes after maximum aggregation: 72149 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 240633 Unique aggregates announced from the APNIC address blocks: 99967 APNIC Region origin ASes present in the Internet Routing Table: 13907 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4208 APNIC Region transit ASes present in the Internet Routing Table: 1846 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9304 Number of APNIC addresses announced to Internet: 774013440 Equivalent to 46 /8s, 34 /16s and 130 /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: 278188 Total ARIN prefixes after maximum aggregation: 123708 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 283315 Unique aggregates announced from the ARIN address blocks: 132062 ARIN Region origin ASes present in the Internet Routing Table: 19093 ARIN Prefixes per ASN: 14.84 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1898 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: 4841 Number of ARIN addresses announced to Internet: 1270437888 Equivalent to 75 /8s, 185 /16s and 88 /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: 265878 Total RIPE prefixes after maximum aggregation: 125548 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 260181 Unique aggregates announced from the RIPE address blocks: 161222 RIPE Region origin ASes present in the Internet Routing Table: 28554 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12073 RIPE Region transit ASes present in the Internet Routing Table: 3874 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11568 Number of RIPE addresses announced to Internet: 714325504 Equivalent to 42 /8s, 147 /16s and 190 /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: 129041 Total LACNIC prefixes after maximum aggregation: 28765 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 127605 Unique aggregates announced from the LACNIC address blocks: 49537 LACNIC Region origin ASes present in the Internet Routing Table: 11059 LACNIC Prefixes per ASN: 11.54 LACNIC Region origin ASes announcing only one prefix: 2276 LACNIC Region transit ASes present in the Internet Routing Table: 2399 Average LACNIC Region AS path length visible: 8.6 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8913 Number of LACNIC addresses announced to Internet: 176807424 Equivalent to 10 /8s, 137 /16s and 222 /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: 32394 Total AfriNIC prefixes after maximum aggregation: 6127 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 42230 Unique aggregates announced from the AfriNIC address blocks: 12980 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 23.22 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 345 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: 1166 Number of AfriNIC addresses announced to Internet: 106740480 Equivalent to 6 /8s, 92 /16s and 187 /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 9819 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5675 783 682 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4568 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3591 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3479 499 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3369 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2688 858 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2177 433 190 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9576 11245 3371 AMAZON-02, US 174 4707 6637 666 COGENT-174, US 11492 4579 304 657 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3626 3062 302 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3593 1320 74 SHAW, CA 16625 3249 1424 2319 AKAMAI-AS, US 749 3185 54927 2437 DNIC-AS-00749, US 367 2914 3722 1408 DNIC-ASBLK-00306-00371, US 396982 2752 3639 392 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 7571 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3906 3396 132 AKAMAI-ASN1, NL 9009 3277 286 1588 M247, RO 12389 2869 2301 909 ROSTELECOM-AS, RU 8551 2699 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 596 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 58224 1496 853 593 TCI, IR 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 12396 3386 621 UNINET, MX 10620 3510 495 896 Telmex Colombia S.A., CO 13999 2501 337 641 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1126 177 424 Techtel LMDS Comunicaciones Interactiva 28202 1105 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1088 369 22 Telefonica del Peru S.A.A., PE 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 24835 1548 545 28 RAYA-AS, EG 24863 1530 389 16 LINKdotNET-AS, EG 36992 1365 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1111 71 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 37457 565 316 43 Telkom-Internet, ZA 36914 554 82 3 KENET-AS, KE 6713 551 1861 34 IAM-AS, MA 15399 541 55 48 WANANCHI-, 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 12396 3386 621 UNINET, MX 9808 9819 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9576 11245 3371 AMAZON-02, US 12479 7571 1698 148 UNI2-AS, ES 7545 5675 783 682 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4707 6637 666 COGENT-174, US 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4579 304 657 CABLEONE, US 18403 4568 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 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 9819 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7571 7423 UNI2-AS, ES 16509 9576 6205 AMAZON-02, US 7545 5675 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4568 4543 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 174 4707 4041 COGENT-174, US 11492 4579 3922 CABLEONE, US 7552 3877 3857 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 393577 TRITAN, 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 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 /10:36 /11:98 /12:300 /13:576 /14:1203 /15:2121 /16:13460 /17:8223 /18:13891 /19:25073 /20:43999 /21:52213 /22:111667 /23:102970 /24:578606 /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 6681 7571 UNI2-AS, ES 8151 6364 12396 UNINET, MX 11492 3493 4579 CABLEONE, US 6327 3391 3593 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2660 3626 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2175 2699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2117 3510 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) ---------------------------------------------- 1:2294 2:1540 3:292 4:7 5:4553 6:163 7:6 8:1522 9:1 11:172 12:1478 13:376 14:2335 15:311 16:203 17:361 18:721 20:359 21:4 22:188 23:6594 24:3109 25:2 27:2634 29:19 31:2602 32:62 34:36 35:123 36:2160 37:4496 38:7759 39:901 40:151 41:4329 42:2209 43:2341 44:330 45:17519 46:4353 47:286 49:1907 50:1913 51:576 52:1594 54:359 55:886 56:5 57:146 58:2033 59:1146 60:1019 61:2680 62:2802 63:1932 64:5697 65:2358 66:5012 67:3098 68:1351 69:4107 70:1365 71:588 72:3008 74:2682 75:1590 76:628 77:2474 78:1852 79:2508 80:2157 81:1917 82:1532 83:1263 84:1632 85:3131 86:774 87:2226 88:1273 89:3975 90:668 91:8048 92:2191 93:2635 94:3649 95:4064 96:1288 97:318 98:1032 99:744 100:95 101:1158 102:3441 103:32597 104:4794 105:724 106:912 107:2756 108:1140 109:4051 110:2137 111:3165 112:2068 113:1741 114:1759 115:2054 116:1959 117:2637 118:2753 119:1959 120:1772 121:1279 122:2661 123:2221 124:1556 125:2811 126:28 128:1541 129:994 130:1105 131:1909 132:846 133:410 134:1707 135:351 136:927 137:1023 138:2946 139:1543 140:1322 141:1347 142:1577 143:1575 144:1011 145:344 146:2014 147:1694 148:2529 149:2569 150:1037 151:1321 152:1982 153:598 154:5869 155:1375 156:2116 157:1482 158:1089 159:2206 160:2683 161:1625 162:3626 163:1706 164:1667 165:2157 166:1064 167:1728 168:3983 169:820 170:4970 171:996 172:3814 173:3033 174:901 175:1236 176:3709 177:5344 178:3539 179:2469 180:2374 181:3749 182:3425 183:1995 184:2284 185:20748 186:5104 187:4764 188:4140 189:4335 190:9509 191:1888 192:11012 193:9020 194:7387 195:5306 196:3396 197:2720 198:5965 199:7126 200:8479 201:6429 202:10353 203:10288 204:4582 205:3719 206:4453 207:3500 208:4144 209:4927 210:4458 211:2504 212:4288 213:3472 214:1109 215:44 216:6860 217:2877 218:1329 219:420 220:1821 221:1022 222:687 223:2203 End of report