IPv4 R&E Routing Table Report 18:40 GMT Tue 20 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: 1055679 Prefixes after maximum aggregation (per Origin AS): 396290 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 506345 Number of IPv4 prefixes with a valid ROA: 628739 Number of IPv4 prefixes with an invalid ROA: 2946 Number of IPv4 prefixes with no ROA: 423994 Total ASes present in the Internet Routing Table: 77989 Prefixes per ASN: 13.54 Origin-only ASes present in the Internet Routing Table: 66876 Origin ASes announcing only one prefix: 26877 Transit ASes present in the Internet Routing Table: 11113 Transit-only ASes present in the Internet Routing Table: 581 Paths with bogon ASNs present in the IPv4 Routing Table: 208 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: 1078 Number of instances of unregistered ASNs: 1141 Number of 32-bit ASNs allocated by the RIRs: 48435 Number of 32-bit ASNs visible in the Routing Table: 39778 Prefixes from 32-bit ASNs in the Routing Table: 227656 Number of bogon 32-bit ASNs visible in the Routing Table: 175 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3108990464 Equivalent to 185 /8s, 79 /16s and 110 /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: 347032 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287180 Total APNIC prefixes after maximum aggregation: 82373 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 273547 Unique aggregates announced from the APNIC address blocks: 106966 APNIC Region origin ASes present in the Internet Routing Table: 15075 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 4583 APNIC Region transit ASes present in the Internet Routing Table: 2002 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 41 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10617 Number of APNIC addresses announced to Internet: 756330496 Equivalent to 45 /8s, 20 /16s and 176 /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: 305080 Total ARIN prefixes after maximum aggregation: 135254 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 305165 Unique aggregates announced from the ARIN address blocks: 145714 ARIN Region origin ASes present in the Internet Routing Table: 19403 ARIN Prefixes per ASN: 15.73 ARIN Region origin ASes announcing only one prefix: 7073 ARIN Region transit ASes present in the Internet Routing Table: 1957 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: 1344758016 Equivalent to 80 /8s, 39 /16s and 97 /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: 289570 Total RIPE prefixes after maximum aggregation: 140248 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 291077 Unique aggregates announced from the RIPE address blocks: 184702 RIPE Region origin ASes present in the Internet Routing Table: 29199 RIPE Prefixes per ASN: 9.97 RIPE Region origin ASes announcing only one prefix: 12087 RIPE Region transit ASes present in the Internet Routing Table: 4021 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: 12969 Number of RIPE addresses announced to Internet: 733568000 Equivalent to 43 /8s, 185 /16s and 92 /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: 133871 Total LACNIC prefixes after maximum aggregation: 30545 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 129472 Unique aggregates announced from the LACNIC address blocks: 49596 LACNIC Region origin ASes present in the Internet Routing Table: 11354 LACNIC Prefixes per ASN: 11.40 LACNIC Region origin ASes announcing only one prefix: 2426 LACNIC Region transit ASes present in the Internet Routing Table: 2567 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: 9355 Number of LACNIC addresses announced to Internet: 170646016 Equivalent to 10 /8s, 43 /16s and 218 /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: 38900 Total AfriNIC prefixes after maximum aggregation: 7137 AfriNIC Deaggregation factor: 5.45 Prefixes being announced from the AfriNIC address blocks: 55908 Unique aggregates announced from the AfriNIC address blocks: 18937 AfriNIC Region origin ASes present in the Internet Routing Table: 2022 AfriNIC Prefixes per ASN: 27.65 AfriNIC Region origin ASes announcing only one prefix: 708 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: 1384 Number of AfriNIC addresses announced to Internet: 103388160 Equivalent to 6 /8s, 41 /16s and 148 /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 13607 8947 105 CHINAMOBILE-CN China Mobile Communication 7545 6028 833 574 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4709 543 344 BBIL-AP BHARTI Airtel Ltd., IN 18403 4455 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4053 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3760 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 4538 3442 4193 76 ERX-CERNET-BKB China Education and Resear 56046 3417 831 184 CMNET-JIANGSU-AP China Mobile communicati 45899 3334 1868 98 VNPT-AS-VN VNPT Corp, VN 24560 2963 865 508 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 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 14035 38706 5442 AMAZON-02 - Amazon.com, Inc., US 174 4971 8767 849 COGENT-174 - Cogent Communications, LLC, 22773 4785 3118 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4635 308 1031 CABLEONE - CABLE ONE, INC., US 7155 3868 287 89 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3697 1321 70 SHAW - Shaw Communications, CA 396982 3326 4868 497 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3144 54729 2395 DNIC-AS-00749 - United States Department 16625 2949 1274 2172 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2701 222 889 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 7252 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 9009 3950 368 2244 M247, RO 20940 3946 3393 114 AKAMAI-ASN1, NL 12389 3171 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2642 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2569 183 1866 CDNEXT, GB 34984 2426 372 578 TELLCOM-AS, TR 8452 1718 1852 14 TE-AS TE-AS, EG 203020 1618 243 788 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 12733 3300 603 UNINET, MX 10620 3441 457 1108 Telmex Colombia S.A., CO 13999 2491 508 351 Mega Cable, S.A. de C.V., MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 28573 1375 2430 272 Claro NXT Telecomunicacoes Ltda, BR 11664 1348 278 33 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1256 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 1841 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 1144 522 45 Vodafone-, EG 37069 1101 1096 13 MOBINIL, EG 29571 1070 78 20 ORANGE-COTE-IVOIRE, CI 328608 579 54 167 Africa-on-Cloud-AS, ZA 36914 563 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 14035 38706 5442 AMAZON-02 - Amazon.com, Inc., US 9808 13607 8947 105 CHINAMOBILE-CN China Mobile Communication 8151 12733 3300 603 UNINET, MX 12479 7252 1711 149 UNI2-AS, ES 7545 6028 833 574 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4971 8767 849 COGENT-174 - Cogent Communications, LLC, 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4785 3118 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4709 543 344 BBIL-AP BHARTI Airtel Ltd., IN 11492 4635 308 1031 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 13607 13502 CHINAMOBILE-CN China Mobile Communications Grou 8151 12733 12130 UNINET, MX 12479 7252 7103 UNI2-AS, ES 7545 6028 5454 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4455 4431 FPT-AS-AP FPT Telecom Company, VN 22773 4785 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 9498 4709 4365 BBIL-AP BHARTI Airtel Ltd., IN 174 4971 4122 COGENT-174 - Cogent Communications, LLC, US 7552 4053 4024 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 65782 UNALLOCATED 5.132.198.0/24 35753 ITC ITC AS number, SA 65782 UNALLOCATED 5.132.205.0/24 35753 ITC ITC AS number, SA 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 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: 174 COGENT-174 - Cogent Communications, LLC, 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 /15:2116 /16:13819 /17:8397 /18:13898 /19:25395 /20:46777 /21:53836 /22:115873 /23:111516 /24:661797 /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 6883 12733 UNINET, MX 12479 6182 7252 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3497 4635 CABLEONE - CABLE ONE, INC., US 6327 3479 3697 SHAW - Shaw Communications, CA 22773 3052 4785 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2827 3868 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2485 14035 AMAZON-02 - Amazon.com, Inc., US 30036 2307 2649 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2221 3441 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) ---------------------------------------------- 1:2539 2:1664 3:979 4:9 5:5371 6:185 7:6 8:1530 9:14 11:172 12:1227 13:619 14:2651 15:414 16:179 17:394 18:919 20:617 21:4 22:188 23:8238 24:2774 25:2 27:2879 29:19 31:3553 32:39 34:88 35:294 36:4667 37:4616 38:11100 39:1256 40:442 41:4688 42:1992 43:3019 44:420 45:20440 46:5048 47:406 48:20 49:2214 50:2077 51:600 52:1256 54:236 55:1123 56:11 57:298 58:2371 59:1504 60:1178 61:3360 62:3139 63:1789 64:6270 65:2152 66:6129 67:3311 68:1519 69:4352 70:1035 71:464 72:3196 74:3004 75:1534 76:612 77:2890 78:1927 79:1825 80:2321 81:2162 82:4097 83:1531 84:2061 85:3687 86:1195 87:2393 88:1358 89:4655 90:831 91:8509 92:2934 93:3030 94:4411 95:4552 96:1501 97:319 98:957 99:782 100:69 101:1570 102:4800 103:32903 104:5473 105:1156 106:916 107:2824 108:1237 109:4256 110:2314 111:4121 112:3089 113:2007 114:2177 115:2391 116:2271 117:3323 118:3012 119:2167 120:2629 121:1571 122:2996 123:2579 124:1768 125:3003 126:125 128:1624 129:962 130:1585 131:2369 132:775 133:461 134:1644 135:581 136:1640 137:1299 138:3155 139:1610 140:1777 141:1579 142:2474 143:2166 144:1574 145:638 146:2212 147:2284 148:2829 149:2995 150:1336 151:2645 152:2279 153:914 154:9900 155:2310 156:4458 157:2240 158:1504 159:2744 160:3778 161:2040 162:4041 163:2331 164:1993 165:2663 166:1309 167:2216 168:4056 169:867 170:5640 171:1119 172:4596 173:3460 174:893 175:1373 176:3883 177:5295 178:4407 179:2475 180:3065 181:4624 182:3921 183:2757 184:2083 185:21976 186:6075 187:5024 188:4645 189:4678 190:9999 191:1642 192:11490 193:9554 194:8009 195:5872 196:3630 197:3969 198:6135 199:6141 200:8485 201:6546 202:11007 203:10839 204:4732 205:3719 206:4418 207:3827 208:4425 209:5487 210:4993 211:2791 212:5011 213:4118 214:1047 215:54 216:7231 217:3636 218:1684 219:530 220:2199 221:1311 222:1003 223:3327 End of report