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 21 Oct, 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: 947986 Prefixes after maximum aggregation (per Origin AS): 353932 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 453521 Number of IPv4 prefixes with a valid ROA: 437508 Number of IPv4 prefixes with an invalid ROA: 1569 Number of IPv4 prefixes with no ROA: 508909 Total ASes present in the Internet Routing Table: 74919 Prefixes per ASN: 12.65 Origin-only ASes present in the Internet Routing Table: 64549 Origin ASes announcing only one prefix: 26022 Transit ASes present in the Internet Routing Table: 10370 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 92 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: 1064 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 42889 Number of 32-bit ASNs visible in the Routing Table: 35248 Prefixes from 32-bit ASNs in the Routing Table: 181137 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 529 Number of addresses announced to Internet: 3050453248 Equivalent to 181 /8s, 210 /16s and 57 /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: 319291 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244858 Total APNIC prefixes after maximum aggregation: 70402 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 238158 Unique aggregates announced from the APNIC address blocks: 98877 APNIC Region origin ASes present in the Internet Routing Table: 13661 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: 1801 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: 9025 Number of APNIC addresses announced to Internet: 770482176 Equivalent to 45 /8s, 236 /16s and 160 /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: 277461 Total ARIN prefixes after maximum aggregation: 124084 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 281452 Unique aggregates announced from the ARIN address blocks: 132130 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 4820 Number of ARIN addresses announced to Internet: 1277679360 Equivalent to 76 /8s, 39 /16s and 215 /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: 264956 Total RIPE prefixes after maximum aggregation: 124185 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 260165 Unique aggregates announced from the RIPE address blocks: 160408 RIPE Region origin ASes present in the Internet Routing Table: 28470 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12074 RIPE Region transit ASes present in the Internet Routing Table: 3832 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11394 Number of RIPE addresses announced to Internet: 716508160 Equivalent to 42 /8s, 181 /16s and 12 /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: 127194 Total LACNIC prefixes after maximum aggregation: 28504 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 125994 Unique aggregates announced from the LACNIC address blocks: 49201 LACNIC Region origin ASes present in the Internet Routing Table: 11047 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2309 LACNIC Region transit ASes present in the Internet Routing Table: 2332 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: 8868 Number of LACNIC addresses announced to Internet: 178377216 Equivalent to 10 /8s, 161 /16s and 210 /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: 32453 Total AfriNIC prefixes after maximum aggregation: 6017 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 41688 Unique aggregates announced from the AfriNIC address blocks: 12467 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 23.15 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 6.6 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: 106981376 Equivalent to 6 /8s, 96 /16s and 104 /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 9486 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5714 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3795 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3567 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3329 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3217 493 242 BBIL-AP BHARTI Airtel Ltd., IN 24560 2553 849 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2182 442 199 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 9151 11004 3302 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4171 288 99 VIASAT-SP-BACKBONE, US 174 3898 6659 628 COGENT-174, US 6327 3547 1320 67 SHAW, CA 22773 3523 3055 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3059 3847 1428 DNIC-ASBLK-00306-00371, US 16625 3047 1406 2315 AKAMAI-AS, US 396982 2704 3598 397 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 7394 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4086 3397 146 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3114 278 1530 M247, RO 12389 2896 2297 915 ROSTELECOM-AS, RU 34984 2331 362 592 TELLCOM-AS, TR 58224 1700 920 522 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1487 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 11889 3373 610 UNINET, MX 10620 3542 504 858 Telmex Colombia S.A., CO 13999 2419 333 628 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 770 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 342 505 Axtel, S.A.B. de C.V., MX 6147 1110 369 22 Telefonica del Peru S.A.A., PE 28202 1099 52 9 Rede Brasileira de Comunicacao SA, BR 11664 1056 168 426 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 1606 393 19 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 1047 67 46 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 37457 810 319 45 Telkom-Internet, ZA 6713 551 1861 34 IAM-AS, MA 15399 536 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 11889 3373 610 UNINET, MX 9808 9486 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9151 11004 3302 AMAZON-02, US 12479 7394 1713 145 UNI2-AS, ES 7545 5714 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4171 288 99 VIASAT-SP-BACKBONE, US 20940 4086 3397 146 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 9486 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7394 7249 UNI2-AS, ES 16509 9151 5849 AMAZON-02, US 7545 5714 5017 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4205 4180 FPT-AS-AP FPT Telecom Company, VN 7155 4171 4072 VIASAT-SP-BACKBONE, US 20940 4086 3940 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3795 3775 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 /13:579 /14:1201 /15:2114 /16:13543 /17:8368 /18:14013 /19:25180 /20:44130 /21:52231 /22:111472 /23:102974 /24:571715 /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 6481 7394 UNI2-AS, ES 8151 5921 11889 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3547 SHAW, CA 7155 3117 4171 VIASAT-SP-BACKBONE, US 8551 2926 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2578 3523 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2116 3542 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) ---------------------------------------------- 1:2203 2:1439 3:270 4:7 5:4472 6:153 7:6 8:1525 9:1 11:172 12:1502 13:367 14:2312 15:305 16:200 17:363 18:663 20:326 21:4 22:188 23:6482 24:2928 25:2 27:2649 29:19 31:2581 32:79 34:27 35:117 36:2002 37:4499 38:6555 39:868 40:144 41:4469 42:2037 43:2321 44:326 45:17371 46:4385 47:370 49:1834 50:1899 51:578 52:1584 54:392 55:960 56:5 57:136 58:1863 59:1116 60:1007 61:2606 62:2783 63:1921 64:5812 65:2373 66:5093 67:3088 68:1354 69:4156 70:1351 71:647 72:3015 74:2653 75:1598 76:631 77:2423 78:1841 79:3011 80:2136 81:1860 82:1530 83:1318 84:1567 85:3098 86:768 87:2099 88:1252 89:3973 90:624 91:7975 92:2071 93:2652 94:3614 95:4021 96:1303 97:316 98:1099 99:735 100:92 101:1291 102:3249 103:32385 104:4805 105:730 106:913 107:2724 108:1146 109:4280 110:2134 111:3134 112:2061 113:1764 114:1703 115:2069 116:1943 117:2521 118:2701 119:1976 120:1784 121:1159 122:2631 123:2197 124:1568 125:2573 128:1481 129:990 130:1074 131:2058 132:875 133:408 134:1771 135:342 136:911 137:992 138:2848 139:1581 140:1308 141:1340 142:1521 143:1575 144:1005 145:350 146:1978 147:1622 148:2465 149:2401 150:896 151:1241 152:1983 153:594 154:5433 155:1405 156:2043 157:1359 158:1059 159:2198 160:2698 161:1591 162:3528 163:1643 164:1753 165:1903 166:1064 167:1756 168:4023 169:814 170:4845 171:955 172:3804 173:3024 174:985 175:1207 176:3674 177:5419 178:3562 179:2429 180:2480 181:3555 182:3386 183:1961 184:2270 185:20829 186:5015 187:4573 188:4213 189:4186 190:9406 191:1838 192:10971 193:9004 194:7379 195:5308 196:3318 197:2780 198:6000 199:6325 200:8283 201:6315 202:10444 203:10162 204:4568 205:3708 206:4417 207:3496 208:4148 209:4955 210:4307 211:2462 212:4310 213:3431 214:1111 215:71 216:6798 217:2868 218:1289 219:408 220:1796 221:987 222:664 223:2153 End of report