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 28 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: 948948 Prefixes after maximum aggregation (per Origin AS): 354560 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 453918 Number of IPv4 prefixes with a valid ROA: 437746 Number of IPv4 prefixes with an invalid ROA: 1567 Number of IPv4 prefixes with no ROA: 509635 Total ASes present in the Internet Routing Table: 74920 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 64529 Origin ASes announcing only one prefix: 26004 Transit ASes present in the Internet Routing Table: 10391 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 88 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: 1054 Number of instances of unregistered ASNs: 1056 Number of 32-bit ASNs allocated by the RIRs: 42941 Number of 32-bit ASNs visible in the Routing Table: 35245 Prefixes from 32-bit ASNs in the Routing Table: 181537 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3051952384 Equivalent to 181 /8s, 233 /16s and 25 /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: 319506 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245091 Total APNIC prefixes after maximum aggregation: 70600 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 238432 Unique aggregates announced from the APNIC address blocks: 98899 APNIC Region origin ASes present in the Internet Routing Table: 13640 APNIC Prefixes per ASN: 17.48 APNIC Region origin ASes announcing only one prefix: 4091 APNIC Region transit ASes present in the Internet Routing Table: 1811 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: 9010 Number of APNIC addresses announced to Internet: 771564288 Equivalent to 45 /8s, 253 /16s and 35 /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: 277444 Total ARIN prefixes after maximum aggregation: 124232 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 281960 Unique aggregates announced from the ARIN address blocks: 132477 ARIN Region origin ASes present in the Internet Routing Table: 19091 ARIN Prefixes per ASN: 14.77 ARIN Region origin ASes announcing only one prefix: 6971 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: 4828 Number of ARIN addresses announced to Internet: 1277374720 Equivalent to 76 /8s, 35 /16s and 49 /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: 265312 Total RIPE prefixes after maximum aggregation: 124460 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 259859 Unique aggregates announced from the RIPE address blocks: 160382 RIPE Region origin ASes present in the Internet Routing Table: 28476 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 3839 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: 716596224 Equivalent to 42 /8s, 182 /16s and 100 /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: 127392 Total LACNIC prefixes after maximum aggregation: 28509 LACNIC Deaggregation factor: 4.47 Prefixes being announced from the LACNIC address blocks: 126180 Unique aggregates announced from the LACNIC address blocks: 49253 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 11.42 LACNIC Region origin ASes announcing only one prefix: 2291 LACNIC Region transit ASes present in the Internet Routing Table: 2344 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: 8873 Number of LACNIC addresses announced to Internet: 178389248 Equivalent to 10 /8s, 162 /16s and 1 /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: 32655 Total AfriNIC prefixes after maximum aggregation: 6022 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 41992 Unique aggregates announced from the AfriNIC address blocks: 12473 AfriNIC Region origin ASes present in the Internet Routing Table: 1799 AfriNIC Prefixes per ASN: 23.34 AfriNIC Region origin ASes announcing only one prefix: 587 AfriNIC Region transit ASes present in the Internet Routing Table: 345 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: 1140 Number of AfriNIC addresses announced to Internet: 107603456 Equivalent to 6 /8s, 105 /16s and 230 /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 9478 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5716 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4248 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3802 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3574 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3326 1840 99 VNPT-AS-VN VNPT Corp, VN 9498 3232 491 241 BBIL-AP BHARTI Airtel Ltd., IN 24560 2558 850 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2185 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 9190 11027 3295 AMAZON-02, US 11492 4539 301 674 CABLEONE, US 7155 4172 288 99 VIASAT-SP-BACKBONE, US 174 3892 6659 629 COGENT-174, US 6327 3555 1320 67 SHAW, CA 22773 3526 3056 306 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3051 3841 1423 DNIC-ASBLK-00306-00371, US 16625 3027 1396 2303 AKAMAI-AS, US 396982 2706 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 7417 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4090 3397 146 AKAMAI-ASN1, NL 8551 3446 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3234 285 1604 M247, RO 12389 2893 2297 915 ROSTELECOM-AS, RU 34984 2323 361 591 TELLCOM-AS, TR 58224 1685 917 545 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1522 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 11923 3371 615 UNINET, MX 10620 3539 504 856 Telmex Colombia S.A., CO 13999 2425 336 634 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 770 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1109 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 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 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 37457 816 319 45 Telkom-Internet, ZA 6713 552 1861 34 IAM-AS, MA 36914 540 82 3 KENET-AS, KE 15399 536 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 11923 3371 615 UNINET, MX 9808 9478 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9190 11027 3295 AMAZON-02, US 12479 7417 1713 145 UNI2-AS, ES 7545 5716 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4539 301 674 CABLEONE, US 18403 4248 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4172 288 99 VIASAT-SP-BACKBONE, US 20940 4090 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 9478 9438 CHINAMOBILE-CN China Mobile Communications Grou 12479 7417 7272 UNI2-AS, ES 16509 9190 5895 AMAZON-02, US 7545 5716 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4248 4223 FPT-AS-AP FPT Telecom Company, VN 7155 4172 4073 VIASAT-SP-BACKBONE, US 20940 4090 3944 AKAMAI-ASN1, NL 11492 4539 3865 CABLEONE, US 7552 3802 3782 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 /15:2120 /16:13560 /17:8380 /18:14025 /19:25183 /20:44122 /21:52242 /22:111548 /23:103164 /24:572354 /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 6505 7417 UNI2-AS, ES 8151 5955 11923 UNINET, MX 11492 3452 4539 CABLEONE, US 6327 3364 3555 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3118 4172 VIASAT-SP-BACKBONE, US 8551 2923 3446 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3526 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2113 3539 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) ---------------------------------------------- 1:2212 2:1441 3:269 4:7 5:4470 6:159 7:6 8:1529 9:1 11:172 12:1508 13:360 14:2312 15:306 16:203 17:362 18:668 20:326 21:4 22:188 23:6502 24:2936 25:2 27:2650 29:19 31:2587 32:78 34:27 35:118 36:2009 37:4484 38:6541 39:867 40:130 41:4493 42:2060 43:2313 44:329 45:17415 46:4392 47:370 49:1859 50:1892 51:576 52:1590 54:395 55:961 56:5 57:137 58:1874 59:1113 60:1009 61:2615 62:2745 63:1913 64:5693 65:2375 66:5102 67:3084 68:1354 69:4164 70:1350 71:636 72:3013 74:2657 75:1601 76:636 77:2446 78:1837 79:3015 80:2137 81:1862 82:1540 83:1321 84:1543 85:3042 86:761 87:2040 88:1248 89:3975 90:626 91:7987 92:2076 93:2637 94:3624 95:4015 96:1305 97:315 98:1101 99:735 100:91 101:1385 102:3262 103:32289 104:4809 105:732 106:981 107:2793 108:1152 109:4279 110:2132 111:3130 112:2064 113:1761 114:1703 115:2068 116:1947 117:2511 118:2705 119:1973 120:1765 121:1182 122:2636 123:2196 124:1571 125:2586 128:1471 129:991 130:1073 131:2073 132:874 133:408 134:1774 135:343 136:914 137:990 138:2858 139:1574 140:1323 141:1334 142:1550 143:1565 144:1002 145:347 146:1980 147:1621 148:2412 149:2422 150:897 151:1243 152:1982 153:606 154:5469 155:1410 156:2054 157:1367 158:1061 159:2202 160:2689 161:1598 162:3520 163:1641 164:1752 165:1903 166:1061 167:1762 168:4016 169:814 170:4876 171:950 172:3884 173:3033 174:986 175:1209 176:3677 177:5506 178:3553 179:2406 180:2508 181:3619 182:3385 183:1969 184:2270 185:20846 186:5044 187:4598 188:4176 189:4230 190:9422 191:1856 192:11005 193:8996 194:7376 195:5312 196:3372 197:2835 198:5996 199:6396 200:8207 201:6289 202:10475 203:10163 204:4580 205:3696 206:4436 207:3489 208:4147 209:4933 210:4307 211:2462 212:4289 213:3432 214:1113 215:71 216:6804 217:2862 218:1292 219:409 220:1794 221:988 222:668 223:2146 End of report