IPv4 R&E Routing Table Report 18:40 GMT Fri 23 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: 1056896 Prefixes after maximum aggregation (per Origin AS): 396676 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 507161 Number of IPv4 prefixes with a valid ROA: 629910 Number of IPv4 prefixes with an invalid ROA: 2818 Number of IPv4 prefixes with no ROA: 424168 Total ASes present in the Internet Routing Table: 78000 Prefixes per ASN: 13.55 Origin-only ASes present in the Internet Routing Table: 66856 Origin ASes announcing only one prefix: 26873 Transit ASes present in the Internet Routing Table: 11144 Transit-only ASes present in the Internet Routing Table: 573 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: 209 Max AS path prepend of ASN (214570) 200 Prefixes from unregistered ASNs in the Routing Table: 1144 Number of instances of unregistered ASNs: 1207 Number of 32-bit ASNs allocated by the RIRs: 48462 Number of 32-bit ASNs visible in the Routing Table: 39804 Prefixes from 32-bit ASNs in the Routing Table: 228187 Number of bogon 32-bit ASNs visible in the Routing Table: 163 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3108810752 Equivalent to 185 /8s, 76 /16s and 176 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 347024 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287861 Total APNIC prefixes after maximum aggregation: 82496 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 273856 Unique aggregates announced from the APNIC address blocks: 107046 APNIC Region origin ASes present in the Internet Routing Table: 15076 APNIC Prefixes per ASN: 18.17 APNIC Region origin ASes announcing only one prefix: 4582 APNIC Region transit ASes present in the Internet Routing Table: 2001 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10620 Number of APNIC addresses announced to Internet: 756317696 Equivalent to 45 /8s, 20 /16s and 126 /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: 304498 Total ARIN prefixes after maximum aggregation: 135416 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 304767 Unique aggregates announced from the ARIN address blocks: 145775 ARIN Region origin ASes present in the Internet Routing Table: 19395 ARIN Prefixes per ASN: 15.71 ARIN Region origin ASes announcing only one prefix: 7074 ARIN Region transit ASes present in the Internet Routing Table: 1952 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: 5453 Number of ARIN addresses announced to Internet: 1343863296 Equivalent to 80 /8s, 25 /16s and 186 /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: 290098 Total RIPE prefixes after maximum aggregation: 140331 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 291466 Unique aggregates announced from the RIPE address blocks: 185062 RIPE Region origin ASes present in the Internet Routing Table: 29216 RIPE Prefixes per ASN: 9.98 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 4037 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 209 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12984 Number of RIPE addresses announced to Internet: 734093312 Equivalent to 43 /8s, 193 /16s and 96 /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: 134275 Total LACNIC prefixes after maximum aggregation: 30563 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 129737 Unique aggregates announced from the LACNIC address blocks: 49738 LACNIC Region origin ASes present in the Internet Routing Table: 11363 LACNIC Prefixes per ASN: 11.42 LACNIC Region origin ASes announcing only one prefix: 2421 LACNIC Region transit ASes present in the Internet Routing Table: 2585 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9361 Number of LACNIC addresses announced to Internet: 170662400 Equivalent to 10 /8s, 44 /16s and 26 /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: 39020 Total AfriNIC prefixes after maximum aggregation: 7142 AfriNIC Deaggregation factor: 5.46 Prefixes being announced from the AfriNIC address blocks: 56566 Unique aggregates announced from the AfriNIC address blocks: 19114 AfriNIC Region origin ASes present in the Internet Routing Table: 2025 AfriNIC Prefixes per ASN: 27.93 AfriNIC Region origin ASes announcing only one prefix: 707 AfriNIC Region transit ASes present in the Internet Routing Table: 388 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1386 Number of AfriNIC addresses announced to Internet: 103578880 Equivalent to 6 /8s, 44 /16s and 125 /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 13605 8944 101 CHINAMOBILE-CN China Mobile Communication 7545 6025 833 574 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4724 544 341 BBIL-AP BHARTI Airtel Ltd., IN 18403 4417 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4051 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3760 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 4538 3439 4193 76 ERX-CERNET-BKB China Education and Resear 56046 3420 831 184 CMNET-JIANGSU-AP China Mobile communicati 45899 3334 1868 98 VNPT-AS-VN VNPT Corp, VN 17561 3197 201 620 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 14009 38810 5445 AMAZON-02 - Amazon.com, Inc., US 174 4918 8766 846 COGENT-174 - Cogent Communications, LLC, 22773 4779 3115 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4638 308 1020 CABLEONE - CABLE ONE, INC., US 7155 3865 287 89 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3698 1321 71 SHAW - Shaw Communications, CA 396982 3330 4868 500 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3143 54729 2394 DNIC-AS-00749 - United States Department 16625 2948 1274 2171 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2700 222 893 AS-COLOCROSSING - HostPapa, 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 7238 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 9009 3954 368 2248 M247, RO 20940 3945 3393 114 AKAMAI-ASN1, NL 12389 3171 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2641 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2560 182 1857 CDNEXT, GB 34984 2425 364 577 TELLCOM-AS, TR 8452 1718 1852 14 TE-AS TE-AS, EG 203020 1614 243 784 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 12721 3304 603 UNINET, MX 10620 3445 457 1107 Telmex Colombia S.A., CO 13999 2483 508 351 Mega Cable, S.A. de C.V., MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 11664 1381 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1375 2430 272 Claro NXT Telecomunicacoes Ltda, BR 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1258 371 22 INTEGRATEL PERU S.A.A., PE 22884 1056 67 358 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1016 2486 56 TIM 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 1983 646 33 RAYA-AS, EG 36992 1842 1532 339 ETISALAT-MISR, EG 20011 1328 205 344 NTT-DATA-Inc, ZA 24863 1284 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1126 520 42 Vodafone-, EG 37069 1117 1112 11 MOBINIL, EG 29571 1070 78 20 ORANGE-COTE-IVOIRE, CI 328608 579 53 168 Africa-on-Cloud-AS, ZA 36914 568 82 3 KENET-AS, 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 16509 14009 38810 5445 AMAZON-02 - Amazon.com, Inc., US 9808 13605 8944 101 CHINAMOBILE-CN China Mobile Communication 8151 12721 3304 603 UNINET, MX 12479 7238 1711 149 UNI2-AS, ES 7545 6025 833 574 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 174 4918 8766 846 COGENT-174 - Cogent Communications, LLC, 22773 4779 3115 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4724 544 341 BBIL-AP BHARTI Airtel Ltd., IN 11492 4638 308 1020 CABLEONE - CABLE ONE, INC., 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 13605 13504 CHINAMOBILE-CN China Mobile Communications Grou 8151 12721 12118 UNINET, MX 12479 7238 7089 UNI2-AS, ES 7545 6025 5451 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4779 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18403 4417 4393 FPT-AS-AP FPT Telecom Company, VN 9498 4724 4383 BBIL-AP BHARTI Airtel Ltd., IN 174 4918 4072 COGENT-174 - Cogent Communications, LLC, US 7552 4051 4022 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 204464 UNALLOCATED 5.175.223.0/24 211066 RYZEHOSTING-TRADING, AT 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 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 - Hurricane Electric LLC, 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 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, 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 /15:2115 /16:13816 /17:8400 /18:13896 /19:25395 /20:46762 /21:53782 /22:115727 /23:111464 /24:663284 /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 6851 12721 UNINET, MX 12479 6168 7238 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3498 4638 CABLEONE - CABLE ONE, INC., US 6327 3479 3698 SHAW - Shaw Communications, CA 22773 3051 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3865 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2476 14009 AMAZON-02 - Amazon.com, Inc., US 30036 2305 2646 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2225 3445 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) ---------------------------------------------- 1:2544 2:1664 3:962 4:9 5:5384 6:186 7:6 8:1535 9:14 11:172 12:1227 13:621 14:2648 15:416 16:179 17:394 18:919 20:618 21:4 22:188 23:8241 24:2764 25:2 27:2883 29:19 31:3555 32:39 34:88 35:293 36:4673 37:4613 38:11094 39:1262 40:443 41:4735 42:1969 43:3019 44:423 45:20527 46:5052 47:405 48:20 49:2217 50:2072 51:600 52:1258 54:239 55:1131 56:11 57:297 58:2378 59:1506 60:1179 61:3368 62:3158 63:1788 64:6271 65:2144 66:6115 67:3310 68:1507 69:4247 70:1035 71:462 72:3200 74:3010 75:1527 76:612 77:2893 78:1930 79:1826 80:2328 81:2172 82:4099 83:1526 84:2060 85:3704 86:1203 87:2403 88:1356 89:4701 90:822 91:8501 92:2939 93:3027 94:4432 95:4557 96:1481 97:318 98:957 99:783 100:69 101:1570 102:4801 103:32927 104:5470 105:1139 106:926 107:2825 108:1238 109:4303 110:2313 111:4122 112:3134 113:2006 114:2179 115:2394 116:2274 117:3339 118:3016 119:2167 120:2632 121:1582 122:2993 123:2660 124:1770 125:3008 126:125 128:1688 129:966 130:1595 131:2380 132:774 133:461 134:1639 135:587 136:1634 137:1304 138:3151 139:1614 140:1774 141:1578 142:2469 143:2194 144:1577 145:634 146:2210 147:2281 148:2825 149:3012 150:1342 151:2678 152:2279 153:918 154:10000 155:2328 156:4871 157:2236 158:1508 159:2753 160:3783 161:2041 162:4047 163:2333 164:1995 165:2651 166:1300 167:2227 168:4062 169:905 170:5664 171:1123 172:4601 173:3466 174:892 175:1374 176:3888 177:5304 178:4459 179:2477 180:3069 181:4650 182:3928 183:2756 184:2056 185:22005 186:6116 187:5026 188:4670 189:4674 190:9988 191:1680 192:11497 193:9559 194:8012 195:5861 196:3644 197:3983 198:6116 199:6135 200:8479 201:6562 202:11027 203:10852 204:4740 205:3733 206:4420 207:3831 208:4416 209:5453 210:5006 211:2793 212:5028 213:4124 214:1062 215:54 216:7234 217:3634 218:1683 219:530 220:2213 221:1316 222:1032 223:3334 End of report