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 16 Mar, 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: 958420 Prefixes after maximum aggregation (per Origin AS): 358656 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 458243 Number of IPv4 prefixes with a valid ROA: 463471 Number of IPv4 prefixes with an invalid ROA: 2216 Number of IPv4 prefixes with no ROA: 492733 Total ASes present in the Internet Routing Table: 75503 Prefixes per ASN: 12.69 Origin-only ASes present in the Internet Routing Table: 64979 Origin ASes announcing only one prefix: 26115 Transit ASes present in the Internet Routing Table: 10524 Transit-only ASes present in the Internet Routing Table: 487 Paths with bogon ASNs present in the IPv4 Routing Table: 246 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: 1206 Number of instances of unregistered ASNs: 1208 Number of 32-bit ASNs allocated by the RIRs: 43843 Number of 32-bit ASNs visible in the Routing Table: 36025 Prefixes from 32-bit ASNs in the Routing Table: 187515 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 596 Number of addresses announced to Internet: 3028097536 Equivalent to 180 /8s, 125 /16s and 26 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 319377 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249147 Total APNIC prefixes after maximum aggregation: 72395 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 241823 Unique aggregates announced from the APNIC address blocks: 99951 APNIC Region origin ASes present in the Internet Routing Table: 14014 APNIC Prefixes per ASN: 17.26 APNIC Region origin ASes announcing only one prefix: 4242 APNIC Region transit ASes present in the Internet Routing Table: 1849 Average APNIC Region AS path length visible: 8.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9413 Number of APNIC addresses announced to Internet: 760343296 Equivalent to 45 /8s, 81 /16s and 235 /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: 278492 Total ARIN prefixes after maximum aggregation: 123927 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 283428 Unique aggregates announced from the ARIN address blocks: 132623 ARIN Region origin ASes present in the Internet Routing Table: 19111 ARIN Prefixes per ASN: 14.83 ARIN Region origin ASes announcing only one prefix: 6938 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 7.7 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4860 Number of ARIN addresses announced to Internet: 1269903104 Equivalent to 75 /8s, 177 /16s and 47 /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: 267363 Total RIPE prefixes after maximum aggregation: 126442 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 261855 Unique aggregates announced from the RIPE address blocks: 162543 RIPE Region origin ASes present in the Internet Routing Table: 28625 RIPE Prefixes per ASN: 9.15 RIPE Region origin ASes announcing only one prefix: 12105 RIPE Region transit ASes present in the Internet Routing Table: 3871 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 42 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11676 Number of RIPE addresses announced to Internet: 714554880 Equivalent to 42 /8s, 151 /16s and 62 /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: 129418 Total LACNIC prefixes after maximum aggregation: 28840 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 127731 Unique aggregates announced from the LACNIC address blocks: 49511 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 11.55 LACNIC Region origin ASes announcing only one prefix: 2245 LACNIC Region transit ASes present in the Internet Routing Table: 2378 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: 8919 Number of LACNIC addresses announced to Internet: 177256448 Equivalent to 10 /8s, 144 /16s and 184 /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: 32794 Total AfriNIC prefixes after maximum aggregation: 6255 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 42987 Unique aggregates announced from the AfriNIC address blocks: 13159 AfriNIC Region origin ASes present in the Internet Routing Table: 1785 AfriNIC Prefixes per ASN: 24.08 AfriNIC Region origin ASes announcing only one prefix: 585 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 6.7 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 105733376 Equivalent to 6 /8s, 77 /16s and 93 /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 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5652 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3851 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3608 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3512 495 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3295 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2760 864 359 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 195 TATACOMM-AS TATA Communications formerl 45090 2185 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 9734 11336 3368 AMAZON-02, US 174 5175 6645 677 COGENT-174, US 11492 4587 304 634 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 22773 3615 3063 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3598 1320 74 SHAW, CA 16625 3245 1405 2309 AKAMAI-AS, US 749 3193 54919 2445 DNIC-AS-00749, US 367 2918 3631 1404 DNIC-ASBLK-00306-00371, US 396982 2757 3640 406 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 7669 1714 147 UNI2-AS, ES 39891 4625 278 64 ALJAWWALSTC-AS, SA 20940 3909 3395 127 AKAMAI-ASN1, NL 9009 3255 283 1580 M247, RO 12389 2984 2304 905 ROSTELECOM-AS, RU 8551 2648 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1519 1852 14 TE-AS TE-AS, EG 44477 1495 98 713 STARK-INDUSTRIES, GB 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 12346 3318 500 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2507 340 653 Mega Cable, S.A. de C.V., MX 11830 1999 369 64 Instituto Costarricense de Electricidad 28573 1342 2318 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1143 179 424 Techtel LMDS Comunicaciones Interactiva 28202 1105 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1089 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 1549 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1369 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 935 521 42 Vodafone-, EG 29571 877 66 164 ORANGE-COTE-IVOIRE, CI 37457 560 315 38 Telkom-Internet, ZA 36914 558 82 3 KENET-AS, KE 6713 554 1861 34 IAM-AS, MA 15399 539 55 49 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 12346 3318 500 UNINET, MX 9808 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9734 11336 3368 AMAZON-02, US 12479 7669 1714 147 UNI2-AS, ES 7545 5652 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5175 6645 677 COGENT-174, US 39891 4625 278 64 ALJAWWALSTC-AS, SA 11492 4587 304 634 CABLEONE, US 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4181 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 9822 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7669 7522 UNI2-AS, ES 16509 9734 6366 AMAZON-02, US 7545 5652 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4625 4561 ALJAWWALSTC-AS, SA 18403 4575 4550 FPT-AS-AP FPT Telecom Company, VN 174 5175 4498 COGENT-174, US 7155 4181 4085 VIASAT-SP-BACKBONE, US 11492 4587 3953 CABLEONE, US 7552 3851 3831 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 46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, 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 CROWNCASTLE-AS46887, 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 23.172.216.0/24 Origin: 398741 AS-VERTEXLINK-01, US 23.172.216.0/24 Transit: 60539 HUICAST_TELECOM, HK 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 /11:95 /12:298 /13:576 /14:1197 /15:2117 /16:13359 /17:8269 /18:13900 /19:24875 /20:43954 /21:51867 /22:111845 /23:102655 /24:583347 /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 6782 7669 UNI2-AS, ES 8151 6364 12346 UNINET, MX 11492 3500 4587 CABLEONE, US 6327 3396 3598 SHAW, CA 39891 3311 4625 ALJAWWALSTC-AS, SA 7155 3125 4181 VIASAT-SP-BACKBONE, US 22773 2651 3615 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2124 2648 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2268 2:1576 3:312 4:8 5:4511 6:162 7:6 8:1527 9:2 11:172 12:1466 13:381 14:2366 15:315 16:210 17:369 18:752 20:362 21:4 22:188 23:6656 24:3104 25:2 27:2655 29:19 31:2674 32:55 34:63 35:124 36:2209 37:4521 38:8483 39:895 40:125 41:4255 42:2201 43:2353 44:318 45:17682 46:4442 47:296 49:1933 50:1920 51:576 52:1587 54:310 55:971 56:5 57:163 58:2044 59:1127 60:1024 61:2630 62:2792 63:1922 64:5706 65:2334 66:4827 67:3100 68:1344 69:4122 70:1363 71:581 72:2968 74:2615 75:1587 76:636 77:2527 78:1862 79:2478 80:2185 81:1969 82:1528 83:1295 84:1651 85:3094 86:828 87:2270 88:1287 89:4069 90:682 91:8132 92:2194 93:2654 94:3685 95:4119 96:1299 97:312 98:1045 99:741 100:92 101:1164 102:3541 103:32684 104:4789 105:1052 106:910 107:2759 108:1141 109:4110 110:2141 111:3206 112:2072 113:1780 114:1782 115:2085 116:1885 117:2614 118:2762 119:1970 120:1785 121:1289 122:2707 123:2233 124:1560 125:2838 126:28 128:1487 129:1020 130:1122 131:1911 132:834 133:409 134:1717 135:352 136:957 137:1039 138:3005 139:1556 140:1366 141:1362 142:1581 143:1554 144:1013 145:346 146:2032 147:1727 148:2522 149:2626 150:1048 151:1335 152:1982 153:594 154:6203 155:1391 156:2269 157:1617 158:1103 159:2264 160:2526 161:1645 162:3619 163:1729 164:1667 165:2180 166:1071 167:1779 168:4111 169:815 170:4950 171:1012 172:3840 173:3069 174:909 175:1238 176:3736 177:5297 178:3616 179:2484 180:2377 181:3772 182:3368 183:2011 184:2277 185:20902 186:5225 187:4803 188:4150 189:4337 190:9508 191:1904 192:11024 193:9088 194:7516 195:5362 196:3427 197:2783 198:5932 199:7518 200:8316 201:6360 202:10396 203:10293 204:4595 205:3709 206:4518 207:3520 208:4170 209:5054 210:4499 211:2476 212:4343 213:3447 214:1068 215:43 216:6829 217:2905 218:1330 219:409 220:2053 221:1032 222:693 223:2207 End of report