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 09 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: 960054 Prefixes after maximum aggregation (per Origin AS): 358544 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 458320 Number of IPv4 prefixes with a valid ROA: 461129 Number of IPv4 prefixes with an invalid ROA: 2358 Number of IPv4 prefixes with no ROA: 496567 Total ASes present in the Internet Routing Table: 75540 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65004 Origin ASes announcing only one prefix: 26154 Transit ASes present in the Internet Routing Table: 10536 Transit-only ASes present in the Internet Routing Table: 489 Paths with bogon ASNs present in the IPv4 Routing Table: 104 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: 1125 Number of instances of unregistered ASNs: 1127 Number of 32-bit ASNs allocated by the RIRs: 43798 Number of 32-bit ASNs visible in the Routing Table: 36044 Prefixes from 32-bit ASNs in the Routing Table: 187522 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 566 Number of addresses announced to Internet: 3041630464 Equivalent to 181 /8s, 75 /16s and 153 /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: 320680 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249443 Total APNIC prefixes after maximum aggregation: 72408 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 242149 Unique aggregates announced from the APNIC address blocks: 99910 APNIC Region origin ASes present in the Internet Routing Table: 13989 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4235 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9394 Number of APNIC addresses announced to Internet: 774333952 Equivalent to 46 /8s, 39 /16s and 102 /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: 277769 Total ARIN prefixes after maximum aggregation: 123891 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 282781 Unique aggregates announced from the ARIN address blocks: 132499 ARIN Region origin ASes present in the Internet Routing Table: 19125 ARIN Prefixes per ASN: 14.79 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 4863 Number of ARIN addresses announced to Internet: 1270361856 Equivalent to 75 /8s, 184 /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: 267494 Total RIPE prefixes after maximum aggregation: 126353 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 261804 Unique aggregates announced from the RIPE address blocks: 162454 RIPE Region origin ASes present in the Internet Routing Table: 28621 RIPE Prefixes per ASN: 9.15 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3868 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: 11670 Number of RIPE addresses announced to Internet: 712685568 Equivalent to 42 /8s, 122 /16s and 184 /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: 129740 Total LACNIC prefixes after maximum aggregation: 28944 LACNIC Deaggregation factor: 4.48 Prefixes being announced from the LACNIC address blocks: 128116 Unique aggregates announced from the LACNIC address blocks: 49460 LACNIC Region origin ASes present in the Internet Routing Table: 11072 LACNIC Prefixes per ASN: 11.57 LACNIC Region origin ASes announcing only one prefix: 2262 LACNIC Region transit ASes present in the Internet Routing Table: 2390 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: 8926 Number of LACNIC addresses announced to Internet: 177509120 Equivalent to 10 /8s, 148 /16s and 147 /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: 34483 Total AfriNIC prefixes after maximum aggregation: 6197 AfriNIC Deaggregation factor: 5.56 Prefixes being announced from the AfriNIC address blocks: 44638 Unique aggregates announced from the AfriNIC address blocks: 13534 AfriNIC Region origin ASes present in the Internet Routing Table: 1831 AfriNIC Prefixes per ASN: 24.38 AfriNIC Region origin ASes announcing only one prefix: 603 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 43 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1191 Number of AfriNIC addresses announced to Internet: 106430208 Equivalent to 6 /8s, 87 /16s and 255 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5647 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4608 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3843 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3608 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3512 495 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2751 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 434 194 TATACOMM-AS TATA Communications formerl 45090 2186 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 9626 11320 3370 AMAZON-02, US 174 4947 6644 675 COGENT-174, US 11492 4576 304 647 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 22773 3614 3063 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3599 1320 75 SHAW, CA 16625 3226 1400 2305 AKAMAI-AS, US 749 3199 54920 2451 DNIC-AS-00749, US 367 2915 3648 1405 DNIC-ASBLK-00306-00371, US 396982 2752 3638 402 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 7620 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3911 3395 127 AKAMAI-ASN1, NL 9009 3274 284 1594 M247, RO 12389 2978 2304 905 ROSTELECOM-AS, RU 8551 2649 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1520 1852 14 TE-AS TE-AS, EG 44477 1491 98 710 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 12534 3356 588 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2504 338 650 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 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 37457 1631 316 45 Telkom-Internet, ZA 24835 1549 545 28 RAYA-AS, EG 24863 1520 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1170 75 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 36914 550 82 3 KENET-AS, KE 15399 540 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 12534 3356 588 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9626 11320 3370 AMAZON-02, US 12479 7620 1714 147 UNI2-AS, ES 7545 5647 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4947 6644 675 COGENT-174, US 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4608 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4576 304 647 CABLEONE, US 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7620 7473 UNI2-AS, ES 16509 9626 6256 AMAZON-02, US 7545 5647 4976 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4608 4583 FPT-AS-AP FPT Telecom Company, VN 174 4947 4272 COGENT-174, US 7155 4181 4085 VIASAT-SP-BACKBONE, US 11492 4576 3929 CABLEONE, US 7552 3843 3823 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 /11:98 /12:299 /13:575 /14:1200 /15:2112 /16:13460 /17:8276 /18:13919 /19:24918 /20:44018 /21:51925 /22:111970 /23:102642 /24:584576 /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 6734 7620 UNI2-AS, ES 8151 6479 12534 UNINET, MX 11492 3489 4576 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3397 3599 SHAW, CA 7155 3125 4181 VIASAT-SP-BACKBONE, US 22773 2650 3614 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2125 2649 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) ---------------------------------------------- 1:2287 2:1576 3:307 4:8 5:4623 6:161 7:6 8:1522 9:2 11:172 12:1468 13:376 14:2349 15:314 16:208 17:369 18:738 20:361 21:4 22:188 23:6658 24:3093 25:2 27:2705 29:19 31:2684 32:55 34:46 35:124 36:2201 37:4552 38:8185 39:895 40:140 41:4371 42:2221 43:2351 44:328 45:17663 46:4454 47:289 49:1927 50:1922 51:579 52:1582 54:307 55:884 56:5 57:163 58:2037 59:1125 60:1022 61:2633 62:2788 63:1918 64:5704 65:2342 66:4825 67:3097 68:1351 69:4085 70:1364 71:582 72:2976 74:2613 75:1587 76:632 77:2535 78:1857 79:2476 80:2180 81:1963 82:1523 83:1272 84:1648 85:3142 86:833 87:2237 88:1288 89:4052 90:681 91:8102 92:2184 93:2652 94:3681 95:4137 96:1289 97:312 98:1036 99:742 100:91 101:1164 102:3597 103:32667 104:4785 105:2138 106:927 107:2760 108:1139 109:4101 110:2138 111:3174 112:2068 113:1761 114:1782 115:2083 116:1955 117:2618 118:2772 119:1961 120:1785 121:1287 122:2701 123:2234 124:1603 125:2840 126:28 128:1522 129:1019 130:1125 131:1913 132:833 133:410 134:1713 135:354 136:938 137:1046 138:3008 139:1563 140:1373 141:1366 142:1575 143:1547 144:1013 145:342 146:2043 147:1705 148:2516 149:2622 150:1096 151:1319 152:1986 153:596 154:6146 155:1367 156:2273 157:1600 158:1099 159:2240 160:2673 161:1645 162:3628 163:1732 164:1675 165:2167 166:1074 167:1738 168:4123 169:821 170:4972 171:1003 172:3855 173:3056 174:904 175:1238 176:3745 177:5247 178:3593 179:2480 180:2379 181:3775 182:3398 183:2008 184:2270 185:20891 186:5219 187:4816 188:4154 189:4353 190:9515 191:1895 192:11025 193:9076 194:7513 195:5373 196:3446 197:2788 198:5986 199:7420 200:8402 201:6430 202:10444 203:10281 204:4599 205:3730 206:4537 207:3514 208:4182 209:5024 210:4494 211:2484 212:4345 213:3464 214:1107 215:44 216:6823 217:2904 218:1331 219:409 220:2055 221:1026 222:694 223:2210 End of report