IPv4 R&E Routing Table Report 18:35 GMT Tue 24 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: 948314 Prefixes after maximum aggregation (per Origin AS): 354580 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 453533 Number of IPv4 prefixes with a valid ROA: 437523 Number of IPv4 prefixes with an invalid ROA: 1587 Number of IPv4 prefixes with no ROA: 509204 Total ASes present in the Internet Routing Table: 74942 Prefixes per ASN: 12.65 Origin-only ASes present in the Internet Routing Table: 64578 Origin ASes announcing only one prefix: 26020 Transit ASes present in the Internet Routing Table: 10364 Transit-only ASes present in the Internet Routing Table: 456 Paths with bogon ASNs present in the IPv4 Routing Table: 94 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: 1057 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 42907 Number of 32-bit ASNs visible in the Routing Table: 35260 Prefixes from 32-bit ASNs in the Routing Table: 181379 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: 530 Number of addresses announced to Internet: 3051785728 Equivalent to 181 /8s, 230 /16s and 142 /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: 319298 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245129 Total APNIC prefixes after maximum aggregation: 70585 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 238417 Unique aggregates announced from the APNIC address blocks: 98996 APNIC Region origin ASes present in the Internet Routing Table: 13677 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 4103 APNIC Region transit ASes present in the Internet Routing Table: 1808 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: 9036 Number of APNIC addresses announced to Internet: 771508992 Equivalent to 45 /8s, 252 /16s and 75 /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: 277503 Total ARIN prefixes after maximum aggregation: 124517 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 281411 Unique aggregates announced from the ARIN address blocks: 131980 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.75 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4824 Number of ARIN addresses announced to Internet: 1277326592 Equivalent to 76 /8s, 34 /16s and 117 /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: 265027 Total RIPE prefixes after maximum aggregation: 124220 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 260264 Unique aggregates announced from the RIPE address blocks: 160481 RIPE Region origin ASes present in the Internet Routing Table: 28473 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3828 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11395 Number of RIPE addresses announced to Internet: 716527360 Equivalent to 42 /8s, 181 /16s and 87 /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: 127095 Total LACNIC prefixes after maximum aggregation: 28525 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 125908 Unique aggregates announced from the LACNIC address blocks: 49178 LACNIC Region origin ASes present in the Internet Routing Table: 11045 LACNIC Prefixes per ASN: 11.40 LACNIC Region origin ASes announcing only one prefix: 2299 LACNIC Region transit ASes present in the Internet Routing Table: 2326 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: 8865 Number of LACNIC addresses announced to Internet: 178395648 Equivalent to 10 /8s, 162 /16s and 26 /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: 32503 Total AfriNIC prefixes after maximum aggregation: 5992 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 41784 Unique aggregates announced from the AfriNIC address blocks: 12460 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 23.20 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 341 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: 107586304 Equivalent to 6 /8s, 105 /16s and 163 /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 9497 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5714 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4220 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3807 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3567 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3329 1840 99 VNPT-AS-VN VNPT Corp, VN 9498 3219 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 2184 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 9158 11005 3293 AMAZON-02, US 11492 4538 301 673 CABLEONE, US 7155 4171 288 99 VIASAT-SP-BACKBONE, US 174 3880 6659 629 COGENT-174, US 6327 3547 1320 67 SHAW, CA 22773 3528 3056 306 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54956 2412 DNIC-AS-00749, US 367 3084 3852 1437 DNIC-ASBLK-00306-00371, US 16625 3047 1406 2316 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 7423 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3397 146 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3111 277 1527 M247, RO 12389 2893 2297 914 ROSTELECOM-AS, RU 34984 2331 362 591 TELLCOM-AS, TR 58224 1684 916 545 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 11901 3373 610 UNINET, MX 10620 3542 504 858 Telmex Colombia S.A., CO 13999 2426 333 630 Mega Cable, S.A. de C.V., MX 11830 1903 363 20 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 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 1058 168 427 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 1541 549 28 RAYA-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 919 520 36 Vodafone-, EG 37457 810 319 45 Telkom-Internet, ZA 6713 551 1861 34 IAM-AS, MA 36914 539 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 11901 3373 610 UNINET, MX 9808 9497 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9158 11005 3293 AMAZON-02, US 12479 7423 1713 145 UNI2-AS, ES 7545 5714 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4538 301 673 CABLEONE, US 18403 4220 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4171 288 99 VIASAT-SP-BACKBONE, US 20940 4083 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 9497 9457 CHINAMOBILE-CN China Mobile Communications Grou 12479 7423 7278 UNI2-AS, ES 16509 9158 5865 AMAZON-02, US 7545 5714 5019 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4220 4195 FPT-AS-AP FPT Telecom Company, VN 7155 4171 4072 VIASAT-SP-BACKBONE, US 20940 4083 3937 AKAMAI-ASN1, NL 11492 4538 3865 CABLEONE, US 7552 3807 3787 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 23.164.56.0/24 Origin: 216360 CIVILIZED-RIPE, US 23.164.56.0/24 Transit: 32097 WII, US 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /10:37 /11:100 /12:299 /13:579 /14:1204 /15:2119 /16:13552 /17:8375 /18:14010 /19:25156 /20:44127 /21:52190 /22:111460 /23:103044 /24:572032 /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 6510 7423 UNI2-AS, ES 8151 5932 11901 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3451 4538 CABLEONE, US 6327 3356 3547 SHAW, CA 7155 3117 4171 VIASAT-SP-BACKBONE, US 8551 2926 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2582 3528 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2116 3542 Telmex Colombia S.A., CO 30036 1992 2315 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2205 2:1436 3:270 4:7 5:4469 6:153 7:6 8:1524 9:1 11:172 12:1504 13:361 14:2305 15:306 16:201 17:362 18:662 20:326 21:4 22:188 23:6485 24:2929 25:2 27:2652 29:19 31:2581 32:79 34:27 35:117 36:1999 37:4508 38:6527 39:867 40:146 41:4482 42:2043 43:2317 44:329 45:17402 46:4390 47:371 49:1868 50:1880 51:578 52:1590 54:395 55:960 56:5 57:137 58:1874 59:1116 60:1009 61:2608 62:2781 63:1917 64:5816 65:2373 66:5095 67:3086 68:1357 69:4154 70:1350 71:648 72:3014 74:2651 75:1600 76:631 77:2425 78:1838 79:3010 80:2139 81:1859 82:1533 83:1317 84:1565 85:3100 86:766 87:2103 88:1253 89:3980 90:624 91:7993 92:2074 93:2652 94:3613 95:4016 96:1303 97:315 98:1099 99:734 100:92 101:1383 102:3262 103:32407 104:4808 105:715 106:913 107:2729 108:1153 109:4283 110:2136 111:3129 112:2061 113:1762 114:1704 115:2068 116:1947 117:2509 118:2702 119:1976 120:1785 121:1181 122:2632 123:2196 124:1570 125:2575 128:1476 129:992 130:1071 131:2079 132:878 133:408 134:1774 135:342 136:913 137:993 138:2851 139:1583 140:1322 141:1333 142:1519 143:1582 144:1001 145:349 146:1983 147:1620 148:2468 149:2406 150:886 151:1231 152:1983 153:594 154:5419 155:1408 156:2041 157:1358 158:1061 159:2200 160:2693 161:1600 162:3530 163:1640 164:1757 165:1902 166:1049 167:1767 168:4046 169:814 170:4852 171:957 172:3814 173:2959 174:986 175:1209 176:3686 177:5471 178:3561 179:2423 180:2505 181:3603 182:3384 183:1969 184:2268 185:20835 186:5038 187:4597 188:4213 189:4197 190:9222 191:1874 192:11013 193:9009 194:7382 195:5311 196:3305 197:2825 198:5996 199:6363 200:8212 201:6308 202:10461 203:10162 204:4566 205:3696 206:4419 207:3492 208:4147 209:4953 210:4304 211:2461 212:4306 213:3434 214:1111 215:71 216:6800 217:2867 218:1289 219:408 220:1795 221:991 222:668 223:2146 End of report