IPv4 R&E Routing Table Report 18:40 GMT Wed 01 Oct, 2025 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: 1017346 Prefixes after maximum aggregation (per Origin AS): 390289 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 495273 Number of IPv4 prefixes with a valid ROA: 582047 Number of IPv4 prefixes with an invalid ROA: 2448 Number of IPv4 prefixes with no ROA: 432851 Total ASes present in the Internet Routing Table: 77442 Prefixes per ASN: 13.14 Origin-only ASes present in the Internet Routing Table: 66361 Origin ASes announcing only one prefix: 27012 Transit ASes present in the Internet Routing Table: 11081 Transit-only ASes present in the Internet Routing Table: 551 Paths with bogon ASNs present in the IPv4 Routing Table: 146 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 57 Max AS path prepend of ASN ( 37447) 54 Prefixes from unregistered ASNs in the Routing Table: 1042 Number of instances of unregistered ASNs: 1093 Number of 32-bit ASNs allocated by the RIRs: 47597 Number of 32-bit ASNs visible in the Routing Table: 39101 Prefixes from 32-bit ASNs in the Routing Table: 213371 Number of bogon 32-bit ASNs visible in the Routing Table: 134 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 443 Number of addresses announced to Internet: 3112601088 Equivalent to 185 /8s, 134 /16s and 134 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 333255 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 271551 Total APNIC prefixes after maximum aggregation: 79741 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 261321 Unique aggregates announced from the APNIC address blocks: 105580 APNIC Region origin ASes present in the Internet Routing Table: 14813 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 4490 APNIC Region transit ASes present in the Internet Routing Table: 1975 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10372 Number of APNIC addresses announced to Internet: 751578880 Equivalent to 44 /8s, 204 /16s and 47 /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: 297591 Total ARIN prefixes after maximum aggregation: 133842 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 299009 Unique aggregates announced from the ARIN address blocks: 142864 ARIN Region origin ASes present in the Internet Routing Table: 19312 ARIN Prefixes per ASN: 15.48 ARIN Region origin ASes announcing only one prefix: 7083 ARIN Region transit ASes present in the Internet Routing Table: 1969 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5346 Number of ARIN addresses announced to Internet: 1352708608 Equivalent to 80 /8s, 160 /16s and 178 /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: 284539 Total RIPE prefixes after maximum aggregation: 138648 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 283841 Unique aggregates announced from the RIPE address blocks: 180689 RIPE Region origin ASes present in the Internet Routing Table: 29128 RIPE Prefixes per ASN: 9.74 RIPE Region origin ASes announcing only one prefix: 12095 RIPE Region transit ASes present in the Internet Routing Table: 4012 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12780 Number of RIPE addresses announced to Internet: 733081856 Equivalent to 43 /8s, 177 /16s and 241 /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: 125294 Total LACNIC prefixes after maximum aggregation: 30306 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 121531 Unique aggregates announced from the LACNIC address blocks: 49477 LACNIC Region origin ASes present in the Internet Routing Table: 11297 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2536 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9259 Number of LACNIC addresses announced to Internet: 170835712 Equivalent to 10 /8s, 46 /16s and 191 /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: 37329 Total AfriNIC prefixes after maximum aggregation: 7043 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 51201 Unique aggregates announced from the AfriNIC address blocks: 16273 AfriNIC Region origin ASes present in the Internet Routing Table: 1979 AfriNIC Prefixes per ASN: 25.87 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 391 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: 1344 Number of AfriNIC addresses announced to Internet: 104158208 Equivalent to 6 /8s, 53 /16s and 84 /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 13677 8759 113 CHINAMOBILE-CN China Mobile Communication 7545 6181 835 604 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4501 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 315 BBIL-AP BHARTI Airtel Ltd., IN 7552 3955 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3748 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3318 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3116 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2928 863 502 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2363 504 1504 HUTCHISON-AS-AP HGC Global Communications 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 14272 40896 5401 AMAZON-02, US 174 5057 8770 813 COGENT-174, US 11492 4747 320 802 CABLEONE, US 22773 3975 3065 333 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3675 1320 82 SHAW, CA 396982 3273 4824 461 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3083 239 1715 USDA-1, US 16625 3048 1303 2217 AKAMAI-AS, 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 7433 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4041 3395 127 AKAMAI-ASN1, NL 9009 3952 370 2211 M247, RO 12389 3137 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2629 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2448 174 1772 CDNEXT, GB 34984 2416 363 577 TELLCOM-AS, TR 203020 1891 203 906 HOSTROYALE, IN 8452 1634 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 12359 3272 582 UNINET, MX 10620 3504 474 1047 Telmex Colombia S.A., CO 13999 2542 511 346 Mega Cable, S.A. de C.V., MX 11830 1989 369 64 Instituto Costarricense de Electricidad y 28573 1369 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1223 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1177 371 23 Telefonica del Peru S.A.A., PE 22884 1065 71 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1010 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 1846 652 28 RAYA-AS, EG 36992 1509 1498 384 ETISALAT-MISR, EG 20011 1324 205 344 NTT-DATA-Inc, ZA 24863 1250 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1187 102 53 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1059 520 42 Vodafone-, EG 36914 575 82 3 KENET-AS, KE 3741 566 725 321 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 14272 40896 5401 AMAZON-02, US 9808 13677 8759 113 CHINAMOBILE-CN China Mobile Communication 8151 12359 3272 582 UNINET, MX 12479 7433 1711 149 UNI2-AS, ES 7545 6181 835 604 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5057 8770 813 COGENT-174, US 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4747 320 802 CABLEONE, US 18403 4501 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 315 BBIL-AP BHARTI Airtel Ltd., IN 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 13677 13564 CHINAMOBILE-CN China Mobile Communications Grou 8151 12359 11777 UNINET, MX 12479 7433 7284 UNI2-AS, ES 7545 6181 5577 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4501 4475 FPT-AS-AP FPT Telecom Company, VN 174 5057 4244 COGENT-174, US 9498 4474 4159 BBIL-AP BHARTI Airtel Ltd., IN 11492 4747 3945 CABLEONE, US 7552 3955 3927 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 396146 UNALLOCATED 8.21.227.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, 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: 21859 ZEN-ECN, 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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /10:41 /11:93 /12:302 /13:584 /14:1204 /15:2146 /16:13841 /17:8303 /18:13633 /19:24824 /20:45037 /21:52570 /22:113615 /23:105857 /24:635266 /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 6585 12359 UNINET, MX 12479 6396 7433 UNI2-AS, ES 11492 3561 4747 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3465 3675 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2525 3975 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2400 14272 AMAZON-02, US 30036 2289 2629 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2222 3504 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) ---------------------------------------------- 1:2448 2:1673 3:942 4:10 5:4981 6:169 7:6 8:1553 9:6 11:172 12:1241 13:536 14:2642 15:401 16:303 17:392 18:907 20:593 21:4 22:188 23:7941 24:2703 25:2 27:2775 29:19 31:3467 32:34 33:1 34:88 35:276 36:4454 37:4601 38:10569 39:1095 40:300 41:4538 42:2007 43:2788 44:388 45:19075 46:5205 47:348 49:2066 50:2055 51:595 52:1601 54:360 55:1087 56:11 57:294 58:2259 59:1352 60:1193 61:3125 62:3097 63:1783 64:5672 65:2140 66:4983 67:3109 68:1103 69:4025 70:1046 71:644 72:2954 74:2865 75:1504 76:603 77:2808 78:1929 79:1760 80:2274 81:2123 82:3459 83:1518 84:1995 85:3543 86:1198 87:2389 88:1367 89:4532 90:809 91:8427 92:2857 93:2994 94:4279 95:4501 96:1514 97:312 98:954 99:741 100:71 101:1465 102:4499 103:32648 104:5379 105:1059 106:895 107:2666 108:1217 109:4234 110:2246 111:3786 112:2661 113:1888 114:2003 115:2338 116:2136 117:2942 118:3075 119:1959 120:2271 121:1371 122:2843 123:2357 124:1758 125:2909 126:93 128:1573 129:1006 130:1295 131:2144 132:777 133:461 134:1610 135:369 136:1499 137:1133 138:2808 139:1610 140:1635 141:1556 142:1918 143:2060 144:1281 145:628 146:2179 147:2132 148:2739 149:2950 150:1287 151:2562 152:2173 153:577 154:7762 155:2057 156:3522 157:2013 158:1424 159:2588 160:3589 161:1994 162:3953 163:2304 164:2145 165:2606 166:1562 167:2102 168:3850 169:784 170:5389 171:1019 172:4279 173:3414 174:911 175:1368 176:3859 177:4805 178:4269 179:2297 180:2658 181:4265 182:3722 183:2620 184:2102 185:21858 186:5400 187:4673 188:4342 189:4398 190:9752 191:1552 192:11421 193:9508 194:7917 195:5711 196:3613 197:3919 198:6115 199:8745 200:8114 201:6358 202:10522 203:10779 204:4581 205:3628 206:4541 207:3563 208:4337 209:5308 210:4737 211:2712 212:4842 213:3935 214:1034 215:52 216:6940 217:3496 218:1586 219:415 220:2194 221:1235 222:752 223:3068 End of report