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 11 May, 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: 963043 Prefixes after maximum aggregation (per Origin AS): 360852 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 461815 Number of IPv4 prefixes with a valid ROA: 483182 Number of IPv4 prefixes with an invalid ROA: 1020 Number of IPv4 prefixes with no ROA: 478841 Total ASes present in the Internet Routing Table: 75776 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65010 Origin ASes announcing only one prefix: 26290 Transit ASes present in the Internet Routing Table: 10766 Transit-only ASes present in the Internet Routing Table: 523 Paths with bogon ASNs present in the IPv4 Routing Table: 217 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1119 Number of instances of unregistered ASNs: 1121 Number of 32-bit ASNs allocated by the RIRs: 44449 Number of 32-bit ASNs visible in the Routing Table: 36401 Prefixes from 32-bit ASNs in the Routing Table: 190282 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 641 Number of addresses announced to Internet: 3027115008 Equivalent to 180 /8s, 110 /16s and 28 /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: 321046 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250191 Total APNIC prefixes after maximum aggregation: 73097 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 242348 Unique aggregates announced from the APNIC address blocks: 100886 APNIC Region origin ASes present in the Internet Routing Table: 14083 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4282 APNIC Region transit ASes present in the Internet Routing Table: 1871 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9518 Number of APNIC addresses announced to Internet: 760882432 Equivalent to 45 /8s, 90 /16s and 37 /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: 279409 Total ARIN prefixes after maximum aggregation: 124891 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 284459 Unique aggregates announced from the ARIN address blocks: 133721 ARIN Region origin ASes present in the Internet Routing Table: 19137 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1947 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4899 Number of ARIN addresses announced to Internet: 1267707136 Equivalent to 75 /8s, 143 /16s and 173 /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, 393216-402332 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: 269517 Total RIPE prefixes after maximum aggregation: 126858 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 264057 Unique aggregates announced from the RIPE address blocks: 164041 RIPE Region origin ASes present in the Internet Routing Table: 28682 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3952 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 44 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11802 Number of RIPE addresses announced to Internet: 714371840 Equivalent to 42 /8s, 148 /16s and 115 /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: 129313 Total LACNIC prefixes after maximum aggregation: 29054 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 127439 Unique aggregates announced from the LACNIC address blocks: 49499 LACNIC Region origin ASes present in the Internet Routing Table: 11082 LACNIC Prefixes per ASN: 11.50 LACNIC Region origin ASes announcing only one prefix: 2302 LACNIC Region transit ASes present in the Internet Routing Table: 2440 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8965 Number of LACNIC addresses announced to Internet: 177002240 Equivalent to 10 /8s, 140 /16s and 215 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 33494 Total AfriNIC prefixes after maximum aggregation: 6213 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 44099 Unique aggregates announced from the AfriNIC address blocks: 13184 AfriNIC Region origin ASes present in the Internet Routing Table: 1851 AfriNIC Prefixes per ASN: 23.82 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 49 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1217 Number of AfriNIC addresses announced to Internet: 106795264 Equivalent to 6 /8s, 93 /16s and 145 /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 9831 8742 62 CHINAMOBILE-CN China Mobile Communicati 7545 5649 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4497 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3885 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3719 507 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3558 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3291 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2789 863 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2164 433 192 TATACOMM-AS TATA Communications formerl 45090 2150 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 9910 11373 3514 AMAZON-02, US 174 5366 6632 844 COGENT-174, US 11492 4609 306 610 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3595 1320 79 SHAW, CA 22773 3492 3041 231 ASN-CXA-ALL-CCI-22773-RDC, US 749 3225 54904 2477 DNIC-AS-00749, US 16625 3077 1341 2235 AKAMAI-AS, US 7018 2813 23655 1794 ATT-INTERNET4, US 367 2805 3470 1323 DNIC-ASBLK-00306-00371, 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 7750 1708 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3896 3396 127 AKAMAI-ASN1, NL 9009 3309 288 1615 M247, RO 12389 2895 2293 858 ROSTELECOM-AS, RU 8551 2640 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 584 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 212238 1578 113 1147 CDNEXT, GB 8452 1577 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 12303 3315 493 UNINET, MX 10620 3503 491 941 Telmex Colombia S.A., CO 13999 2539 351 662 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1350 2314 252 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 789 189 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 19429 1232 216 21 ETB - Colombia, CO 11664 1186 176 442 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR 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 1503 389 20 LINKdotNET-AS, EG 36992 1373 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1198 77 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 37457 560 314 37 Telkom-Internet, ZA 6713 557 1861 35 IAM-AS, MA 36914 551 82 3 KENET-AS, KE 15399 543 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 12303 3315 493 UNINET, MX 16509 9910 11373 3514 AMAZON-02, US 9808 9831 8742 62 CHINAMOBILE-CN China Mobile Communicati 12479 7750 1708 144 UNI2-AS, ES 7545 5649 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5366 6632 844 COGENT-174, US 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4609 306 610 CABLEONE, US 18403 4497 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 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 9831 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7750 7606 UNI2-AS, ES 16509 9910 6396 AMAZON-02, US 7545 5649 4977 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 174 5366 4522 COGENT-174, US 18403 4497 4474 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4609 3999 CABLEONE, US 7552 3885 3864 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 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 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, 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 /11:94 /12:297 /13:579 /14:1190 /15:2100 /16:13331 /17:8266 /18:13865 /19:24712 /20:43771 /21:52090 /22:112337 /23:102875 /24:587470 /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 6855 7750 UNI2-AS, ES 8151 6316 12303 UNINET, MX 11492 3518 4609 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3392 3595 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2590 3492 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2129 3503 Telmex Colombia S.A., CO 8551 2116 2640 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) ---------------------------------------------- 1:2272 2:1490 3:346 4:6 5:4631 6:164 7:6 8:1509 9:1 11:172 12:1455 13:363 14:2364 15:318 16:214 17:368 18:767 20:372 21:4 22:188 23:6761 24:3106 25:2 27:2615 29:19 31:2607 32:55 34:62 35:132 36:2293 37:4474 38:8665 39:897 40:122 41:4352 42:2195 43:2381 44:321 45:17672 46:4534 47:307 49:1952 50:1916 51:579 52:1582 54:312 55:1000 56:5 57:178 58:2062 59:1188 60:1034 61:2648 62:2761 63:1902 64:5698 65:2362 66:4792 67:3028 68:1336 69:4144 70:1354 71:592 72:2944 74:2612 75:1595 76:609 77:2615 78:1865 79:2517 80:2221 81:2047 82:1593 83:1340 84:1651 85:3177 86:851 87:2243 88:1302 89:4123 90:682 91:8246 92:2298 93:2706 94:3750 95:4210 96:1287 97:315 98:1039 99:742 100:72 101:1171 102:3675 103:32655 104:4812 105:1057 106:933 107:2762 108:1152 109:4168 110:2131 111:3274 112:2075 113:1786 114:1790 115:2132 116:1890 117:2645 118:2735 119:1990 120:1764 121:1276 122:2688 123:2222 124:1586 125:2857 126:32 128:1458 129:1009 130:1169 131:1914 132:812 133:410 134:1735 135:362 136:957 137:1045 138:2930 139:1541 140:1392 141:1359 142:1600 143:1504 144:1001 145:366 146:2078 147:1886 148:2519 149:2800 150:1041 151:1332 152:2154 153:595 154:6771 155:1473 156:2295 157:1783 158:1148 159:2331 160:2719 161:1686 162:3580 163:1710 164:1676 165:2181 166:1173 167:1806 168:4011 169:823 170:5054 171:1031 172:3865 173:3067 174:894 175:1224 176:3733 177:5417 178:3749 179:2385 180:2366 181:3781 182:3394 183:1981 184:2274 185:20990 186:5281 187:4762 188:4200 189:4367 190:9661 191:1905 192:10993 193:9141 194:7570 195:5387 196:3364 197:2651 198:5972 199:7832 200:8262 201:6376 202:10337 203:10265 204:4588 205:3768 206:4456 207:3513 208:4164 209:5051 210:4497 211:2527 212:4351 213:3483 214:1049 215:49 216:6823 217:3089 218:1311 219:409 220:1815 221:1036 222:703 223:2205 End of report