IPv4 R&E Routing Table Report 18:40 GMT Thu 28 Aug, 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: 1022821 Prefixes after maximum aggregation (per Origin AS): 388205 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 491750 Number of IPv4 prefixes with a valid ROA: 582600 Number of IPv4 prefixes with an invalid ROA: 2520 Number of IPv4 prefixes with no ROA: 437701 Total ASes present in the Internet Routing Table: 77391 Prefixes per ASN: 13.22 Origin-only ASes present in the Internet Routing Table: 66360 Origin ASes announcing only one prefix: 26602 Transit ASes present in the Internet Routing Table: 11031 Transit-only ASes present in the Internet Routing Table: 554 Paths with bogon ASNs present in the IPv4 Routing Table: 128 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: 1162 Number of instances of unregistered ASNs: 1201 Number of 32-bit ASNs allocated by the RIRs: 47273 Number of 32-bit ASNs visible in the Routing Table: 38955 Prefixes from 32-bit ASNs in the Routing Table: 216697 Number of bogon 32-bit ASNs visible in the Routing Table: 110 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 461 Number of addresses announced to Internet: 3109139200 Equivalent to 185 /8s, 81 /16s and 179 /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: 336875 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269732 Total APNIC prefixes after maximum aggregation: 79076 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 260018 Unique aggregates announced from the APNIC address blocks: 105237 APNIC Region origin ASes present in the Internet Routing Table: 14796 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 4477 APNIC Region transit ASes present in the Internet Routing Table: 1977 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10349 Number of APNIC addresses announced to Internet: 750582528 Equivalent to 44 /8s, 188 /16s and 251 /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: 296905 Total ARIN prefixes after maximum aggregation: 133403 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 299108 Unique aggregates announced from the ARIN address blocks: 142249 ARIN Region origin ASes present in the Internet Routing Table: 19296 ARIN Prefixes per ASN: 15.50 ARIN Region origin ASes announcing only one prefix: 7069 ARIN Region transit ASes present in the Internet Routing Table: 1962 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5313 Number of ARIN addresses announced to Internet: 1349915136 Equivalent to 80 /8s, 118 /16s and 18 /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: 284716 Total RIPE prefixes after maximum aggregation: 137761 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283808 Unique aggregates announced from the RIPE address blocks: 179370 RIPE Region origin ASes present in the Internet Routing Table: 29104 RIPE Prefixes per ASN: 9.75 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 4000 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12709 Number of RIPE addresses announced to Internet: 732879104 Equivalent to 43 /8s, 174 /16s and 217 /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: 132252 Total LACNIC prefixes after maximum aggregation: 30192 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 128360 Unique aggregates announced from the LACNIC address blocks: 49318 LACNIC Region origin ASes present in the Internet Routing Table: 11291 LACNIC Prefixes per ASN: 11.37 LACNIC Region origin ASes announcing only one prefix: 2322 LACNIC Region transit ASes present in the Internet Routing Table: 2528 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: 9250 Number of LACNIC addresses announced to Internet: 170797568 Equivalent to 10 /8s, 46 /16s and 42 /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: 38054 Total AfriNIC prefixes after maximum aggregation: 7017 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 51066 Unique aggregates announced from the AfriNIC address blocks: 15180 AfriNIC Region origin ASes present in the Internet Routing Table: 1970 AfriNIC Prefixes per ASN: 25.92 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 387 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: 1334 Number of AfriNIC addresses announced to Internet: 104717056 Equivalent to 6 /8s, 61 /16s and 219 /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 12925 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4396 348 27 FPT-AS-AP FPT Telecom Company, VN 7552 3943 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3686 1044 69 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3316 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 2975 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2920 864 507 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2182 1517 77 TENCENT-NET-AP Shenzhen Tencent Computer 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 14082 40859 5350 AMAZON-02, US 174 4963 8760 850 COGENT-174, US 11492 4744 315 801 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3649 1320 82 SHAW, CA 22773 3357 3034 179 ASN-CXA-ALL-CCI-22773-RDC, US 749 3221 54766 2472 DNIC-AS-00749, US 396982 3218 3858 436 GOOGLE-CLOUD-PLATFORM, US 16625 3055 1296 2210 AKAMAI-AS, US 4155 2958 231 1749 USDA-1, 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 7509 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4038 3395 128 AKAMAI-ASN1, NL 9009 3873 366 2187 M247, RO 12389 3123 2315 866 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2405 361 586 TELLCOM-AS, TR 212238 2353 168 1717 CDNEXT, GB 203020 1848 222 848 HOSTROYALE, IN 8452 1608 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 12341 3272 572 UNINET, MX 10620 3484 472 1049 Telmex Colombia S.A., CO 13999 2528 511 348 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1366 2432 266 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1207 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1181 371 22 Telefonica del Peru S.A.A., PE 22884 1059 70 381 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1011 2487 55 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 1792 660 28 RAYA-AS, EG 29571 1498 94 37 ORANGE-COTE-IVOIRE, CI 36992 1424 1495 374 ETISALAT-MISR, EG 20011 1319 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24863 1243 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 990 523 45 Vodafone-, EG 36914 573 82 3 KENET-AS, KE 3741 565 725 321 IS, 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 14082 40859 5350 AMAZON-02, US 9808 12925 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12341 3272 572 UNINET, MX 12479 7509 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4963 8760 850 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4744 315 801 CABLEONE, US 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4396 348 27 FPT-AS-AP FPT Telecom Company, VN 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 12925 12814 CHINAMOBILE-CN China Mobile Communications Grou 8151 12341 11769 UNINET, MX 12479 7509 7359 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4396 4369 FPT-AS-AP FPT Telecom Company, VN 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 174 4963 4113 COGENT-174, US 11492 4744 3943 CABLEONE, US 7552 3943 3916 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, 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 /11:92 /12:299 /13:580 /14:1215 /15:2173 /16:13870 /17:8344 /18:13768 /19:24877 /20:45341 /21:53072 /22:114368 /23:108859 /24:635892 /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 6515 12341 UNINET, MX 12479 6460 7509 UNI2-AS, ES 11492 3560 4744 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3447 3649 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2509 3357 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2414 14082 AMAZON-02, US 30036 2319 2662 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2204 3484 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) ---------------------------------------------- 1:2442 2:1659 3:922 4:10 5:5197 6:156 7:6 8:1567 9:4 11:172 12:1256 13:484 14:2611 15:391 16:285 17:389 18:908 20:584 21:4 22:188 23:7930 24:2811 25:2 27:2865 29:19 31:3496 32:37 33:1 34:88 35:266 36:4296 37:4601 38:10503 39:999 40:268 41:4511 42:1957 43:2777 44:388 45:19664 46:5206 47:346 49:2023 50:2071 51:592 52:1565 54:335 55:1106 56:11 57:295 58:2257 59:1326 60:1188 61:3092 62:3081 63:1798 64:5674 65:2165 66:4914 67:3148 68:1096 69:4054 70:1046 71:642 72:2986 74:2854 75:1527 76:606 77:2897 78:1934 79:1749 80:2265 81:2116 82:3292 83:1498 84:1945 85:3506 86:1227 87:2387 88:1371 89:4504 90:793 91:8520 92:2847 93:2999 94:4262 95:4482 96:1504 97:311 98:954 99:725 100:71 101:1463 102:4562 103:32803 104:5335 105:1070 106:876 107:2657 108:1256 109:4245 110:2244 111:3589 112:2486 113:1865 114:1989 115:2298 116:2143 117:2708 118:3050 119:1954 120:2211 121:1350 122:2839 123:2481 124:1747 125:2910 126:91 128:1592 129:1009 130:1319 131:2198 132:794 133:459 134:1632 135:412 136:1492 137:1137 138:3018 139:1599 140:1625 141:1548 142:1934 143:2047 144:1219 145:621 146:2197 147:2118 148:2736 149:2966 150:1266 151:2432 152:2129 153:629 154:7605 155:1996 156:3217 157:1985 158:1478 159:2545 160:3680 161:1932 162:3928 163:2320 164:1946 165:2545 166:1565 167:2103 168:4062 169:793 170:5501 171:995 172:4286 173:3430 174:908 175:1345 176:3887 177:5337 178:4158 179:2503 180:2637 181:4337 182:3629 183:2360 184:2115 185:21903 186:5655 187:4839 188:4344 189:4526 190:9703 191:1655 192:11421 193:9544 194:7948 195:5782 196:3688 197:3905 198:6159 199:8673 200:8563 201:6512 202:10624 203:10857 204:4585 205:3660 206:4554 207:3543 208:4322 209:5200 210:4789 211:2677 212:4686 213:3897 214:1041 215:51 216:6882 217:3469 218:1472 219:421 220:2161 221:1211 222:748 223:2867 End of report