IPv4 R&E Routing Table Report 18:40 GMT Wed 14 Jan, 2026 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: 1053291 Prefixes after maximum aggregation (per Origin AS): 396136 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 505485 Number of IPv4 prefixes with a valid ROA: 625870 Number of IPv4 prefixes with an invalid ROA: 2847 Number of IPv4 prefixes with no ROA: 424574 Total ASes present in the Internet Routing Table: 77936 Prefixes per ASN: 13.51 Origin-only ASes present in the Internet Routing Table: 66843 Origin ASes announcing only one prefix: 26833 Transit ASes present in the Internet Routing Table: 11093 Transit-only ASes present in the Internet Routing Table: 577 Paths with bogon ASNs present in the IPv4 Routing Table: 173 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 215 Max AS path prepend of ASN (207138) 207 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1123 Number of 32-bit ASNs allocated by the RIRs: 48375 Number of 32-bit ASNs visible in the Routing Table: 39733 Prefixes from 32-bit ASNs in the Routing Table: 227189 Number of bogon 32-bit ASNs visible in the Routing Table: 159 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 569 Number of addresses announced to Internet: 3103410176 Equivalent to 184 /8s, 250 /16s and 72 /24s Percentage of available address space announced: 83.8 Percentage of allocated address space announced: 83.8 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: 346711 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 286080 Total APNIC prefixes after maximum aggregation: 82119 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 272749 Unique aggregates announced from the APNIC address blocks: 106669 APNIC Region origin ASes present in the Internet Routing Table: 15054 APNIC Prefixes per ASN: 18.12 APNIC Region origin ASes announcing only one prefix: 4564 APNIC Region transit ASes present in the Internet Routing Table: 2008 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10600 Number of APNIC addresses announced to Internet: 753952256 Equivalent to 44 /8s, 240 /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, 131072-155961 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: 304178 Total ARIN prefixes after maximum aggregation: 134997 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 303951 Unique aggregates announced from the ARIN address blocks: 145142 ARIN Region origin ASes present in the Internet Routing Table: 19398 ARIN Prefixes per ASN: 15.67 ARIN Region origin ASes announcing only one prefix: 7073 ARIN Region transit ASes present in the Internet Routing Table: 1959 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5449 Number of ARIN addresses announced to Internet: 1341661440 Equivalent to 79 /8s, 248 /16s and 33 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 289393 Total RIPE prefixes after maximum aggregation: 140258 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 290614 Unique aggregates announced from the RIPE address blocks: 184545 RIPE Region origin ASes present in the Internet Routing Table: 29178 RIPE Prefixes per ASN: 9.96 RIPE Region origin ASes announcing only one prefix: 12063 RIPE Region transit ASes present in the Internet Routing Table: 3997 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12955 Number of RIPE addresses announced to Internet: 733484544 Equivalent to 43 /8s, 184 /16s and 22 /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, 53/8, 57/8, 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: 133811 Total LACNIC prefixes after maximum aggregation: 30949 LACNIC Deaggregation factor: 4.32 Prefixes being announced from the LACNIC address blocks: 129428 Unique aggregates announced from the LACNIC address blocks: 49684 LACNIC Region origin ASes present in the Internet Routing Table: 11353 LACNIC Prefixes per ASN: 11.40 LACNIC Region origin ASes announcing only one prefix: 2427 LACNIC Region transit ASes present in the Internet Routing Table: 2570 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9348 Number of LACNIC addresses announced to Internet: 170641664 Equivalent to 10 /8s, 43 /16s and 201 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 38769 Total AfriNIC prefixes after maximum aggregation: 7091 AfriNIC Deaggregation factor: 5.47 Prefixes being announced from the AfriNIC address blocks: 55980 Unique aggregates announced from the AfriNIC address blocks: 18966 AfriNIC Region origin ASes present in the Internet Routing Table: 2019 AfriNIC Prefixes per ASN: 27.73 AfriNIC Region origin ASes announcing only one prefix: 706 AfriNIC Region transit ASes present in the Internet Routing Table: 384 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 42 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1381 Number of AfriNIC addresses announced to Internet: 103360000 Equivalent to 6 /8s, 41 /16s and 38 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 13560 8947 105 CHINAMOBILE-CN China Mobile Communication 7545 6028 833 574 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4697 543 341 BBIL-AP BHARTI Airtel Ltd., IN 18403 4365 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4015 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3759 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 4538 3440 4193 76 ERX-CERNET-BKB China Education and Resear 56046 3408 831 184 CMNET-JIANGSU-AP China Mobile communicati 45899 3335 1868 98 VNPT-AS-VN VNPT Corp, VN 17561 3172 199 616 LCS-AS-AP LARUS Limited, HK 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 14185 38740 5438 AMAZON-02, US 174 4958 8767 852 COGENT-174, US 22773 4777 3099 364 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4634 308 1034 CABLEONE, US 7155 3868 287 89 VIASAT-SP-BACKBONE, US 6327 3695 1321 70 SHAW, CA 396982 3325 4868 496 GOOGLE-CLOUD-PLATFORM, US 749 3144 54729 2395 DNIC-AS-00749, US 16625 2951 1274 2170 AKAMAI-AS, US 36352 2705 222 890 AS-COLOCROSSING, 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 7263 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 9009 3972 369 2257 M247, RO 20940 3944 3393 113 AKAMAI-ASN1, NL 12389 3170 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2642 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2570 183 1867 CDNEXT, GB 34984 2425 372 577 TELLCOM-AS, TR 8452 1689 1852 14 TE-AS TE-AS, EG 203020 1630 244 800 HOSTROYALE, IN 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 12756 3308 597 UNINET, MX 10620 3433 457 1107 Telmex Colombia S.A., CO 13999 2486 507 353 Mega Cable, S.A. de C.V., MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 28573 1374 2430 272 Claro NXT Telecomunicacoes Ltda, BR 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1258 371 22 Telefonica del Peru S.A.A., PE 22884 1057 67 358 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1012 2486 56 TIM SA, BR 18881 909 1127 31 TELEFONICA BRASIL S.A, 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 1982 638 33 RAYA-AS, EG 36992 1850 1534 342 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1267 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1137 524 47 Vodafone-, EG 37069 1101 1096 13 MOBINIL, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 36914 573 82 3 KENET-AS, KE 3741 558 725 325 NTT-DATA-Inc, ZA 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 16509 14185 38740 5438 AMAZON-02, US 9808 13560 8947 105 CHINAMOBILE-CN China Mobile Communication 8151 12756 3308 597 UNINET, MX 12479 7263 1711 149 UNI2-AS, ES 7545 6028 833 574 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 174 4958 8767 852 COGENT-174, US 22773 4777 3099 364 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4697 543 341 BBIL-AP BHARTI Airtel Ltd., IN 11492 4634 308 1034 CABLEONE, 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 13560 13455 CHINAMOBILE-CN China Mobile Communications Grou 8151 12756 12159 UNINET, MX 12479 7263 7114 UNI2-AS, ES 7545 6028 5454 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4777 4413 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4697 4356 BBIL-AP BHARTI Airtel Ltd., IN 18403 4365 4341 FPT-AS-AP FPT Telecom Company, VN 174 4958 4106 COGENT-174, US 7552 4015 3986 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 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 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, US 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4, 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 23.137.48.0/24 Origin: 16904 ARVIG-16904, US 23.137.48.0/24 Transit: 174 COGENT-174, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 37100 SEACOM-AS, MU 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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, 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 /10:40 /11:93 /12:303 /13:582 /14:1207 /15:2109 /16:13760 /17:8304 /18:13762 /19:25282 /20:46666 /21:53663 /22:115540 /23:111279 /24:660671 /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 8151 6896 12756 UNINET, MX 12479 6194 7263 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3496 4634 CABLEONE, US 6327 3478 3695 SHAW, CA 22773 3050 4777 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2827 3868 VIASAT-SP-BACKBONE, US 16509 2505 14185 AMAZON-02, US 30036 2310 2652 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2213 3433 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) ---------------------------------------------- 1:2520 2:1639 3:979 4:9 5:5404 6:187 7:6 8:1504 9:15 11:172 12:1225 13:635 14:2652 15:418 16:275 17:392 18:919 20:616 21:4 22:188 23:8213 24:2775 25:2 27:2862 29:19 31:3541 32:39 34:88 35:293 36:4653 37:4605 38:11109 39:1251 40:438 41:4713 42:1948 43:2958 44:419 45:20327 46:5095 47:323 49:2177 50:2065 51:600 52:1260 54:236 55:1097 56:11 57:299 58:2347 59:1504 60:1178 61:3357 62:3147 63:1781 64:6192 65:2157 66:6120 67:3310 68:1529 69:4359 70:1036 71:464 72:3192 74:2994 75:1536 76:613 77:2904 78:1950 79:1821 80:2318 81:2129 82:4047 83:1534 84:2068 85:3694 86:1195 87:2379 88:1370 89:4680 90:830 91:8520 92:2943 93:3026 94:4396 95:4555 96:1496 97:318 98:957 99:791 100:69 101:1578 102:4769 103:32892 104:5458 105:1134 106:916 107:2818 108:1228 109:4263 110:2307 111:4109 112:3070 113:2002 114:2177 115:2393 116:2270 117:3324 118:3019 119:2167 120:2622 121:1570 122:2990 123:2578 124:1768 125:3000 126:125 128:1619 129:962 130:1581 131:2360 132:773 133:461 134:1644 135:583 136:1625 137:1245 138:3155 139:1602 140:1706 141:1586 142:2473 143:2169 144:1443 145:636 146:2169 147:2277 148:2813 149:2991 150:1339 151:2629 152:2279 153:913 154:10007 155:2304 156:4634 157:2159 158:1497 159:2740 160:3782 161:2030 162:4017 163:2329 164:1988 165:2665 166:1307 167:2189 168:4053 169:841 170:5620 171:1120 172:4577 173:3464 174:895 175:1377 176:3892 177:5287 178:4368 179:2475 180:3042 181:4582 182:3911 183:2742 184:2087 185:21983 186:6074 187:4996 188:4655 189:4657 190:9981 191:1645 192:11476 193:9559 194:7993 195:5867 196:3606 197:3995 198:6139 199:6148 200:8474 201:6564 202:11000 203:10811 204:4699 205:3706 206:4436 207:3831 208:4410 209:5488 210:4996 211:2790 212:5013 213:4111 214:1066 215:54 216:7226 217:3642 218:1684 219:530 220:2197 221:1309 222:1001 223:3317 End of report