IPv4 R&E Routing Table Report 18:40 GMT Mon 26 May, 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: 1003760 Prefixes after maximum aggregation (per Origin AS): 379399 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 481802 Number of IPv4 prefixes with a valid ROA: 559623 Number of IPv4 prefixes with an invalid ROA: 532 Number of IPv4 prefixes with no ROA: 443605 Total ASes present in the Internet Routing Table: 76899 Prefixes per ASN: 13.05 Origin-only ASes present in the Internet Routing Table: 66010 Origin ASes announcing only one prefix: 26580 Transit ASes present in the Internet Routing Table: 10889 Transit-only ASes present in the Internet Routing Table: 541 Paths with bogon ASNs present in the IPv4 Routing Table: 84 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 78 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1005 Number of instances of unregistered ASNs: 1006 Number of 32-bit ASNs allocated by the RIRs: 46520 Number of 32-bit ASNs visible in the Routing Table: 38322 Prefixes from 32-bit ASNs in the Routing Table: 209930 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 453 Number of addresses announced to Internet: 3110229504 Equivalent to 185 /8s, 98 /16s and 86 /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: 331156 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 259758 Total APNIC prefixes after maximum aggregation: 77130 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 250739 Unique aggregates announced from the APNIC address blocks: 104302 APNIC Region origin ASes present in the Internet Routing Table: 14603 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 4446 APNIC Region transit ASes present in the Internet Routing Table: 1924 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10137 Number of APNIC addresses announced to Internet: 748716800 Equivalent to 44 /8s, 160 /16s and 131 /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: 294373 Total ARIN prefixes after maximum aggregation: 131069 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 295371 Unique aggregates announced from the ARIN address blocks: 139558 ARIN Region origin ASes present in the Internet Routing Table: 19227 ARIN Prefixes per ASN: 15.36 ARIN Region origin ASes announcing only one prefix: 7055 ARIN Region transit ASes present in the Internet Routing Table: 1950 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5216 Number of ARIN addresses announced to Internet: 1352663296 Equivalent to 80 /8s, 160 /16s and 1 /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: 277450 Total RIPE prefixes after maximum aggregation: 134286 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 275388 Unique aggregates announced from the RIPE address blocks: 174959 RIPE Region origin ASes present in the Internet Routing Table: 28974 RIPE Prefixes per ASN: 9.50 RIPE Region origin ASes announcing only one prefix: 12071 RIPE Region transit ASes present in the Internet Routing Table: 3951 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12475 Number of RIPE addresses announced to Internet: 731492352 Equivalent to 43 /8s, 153 /16s and 176 /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: 133059 Total LACNIC prefixes after maximum aggregation: 29495 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 129266 Unique aggregates announced from the LACNIC address blocks: 48877 LACNIC Region origin ASes present in the Internet Routing Table: 11259 LACNIC Prefixes per ASN: 11.48 LACNIC Region origin ASes announcing only one prefix: 2348 LACNIC Region transit ASes present in the Internet Routing Table: 2514 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9207 Number of LACNIC addresses announced to Internet: 171879936 Equivalent to 10 /8s, 62 /16s and 174 /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: 38115 Total AfriNIC prefixes after maximum aggregation: 6793 AfriNIC Deaggregation factor: 5.61 Prefixes being announced from the AfriNIC address blocks: 52543 Unique aggregates announced from the AfriNIC address blocks: 13703 AfriNIC Region origin ASes present in the Internet Routing Table: 1922 AfriNIC Prefixes per ASN: 27.34 AfriNIC Region origin ASes announcing only one prefix: 660 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: 78 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287 Number of AfriNIC addresses announced to Internet: 105266688 Equivalent to 6 /8s, 70 /16s and 62 /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 11030 8755 95 CHINAMOBILE-CN China Mobile Communication 7545 6175 844 646 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4352 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4288 534 301 BBIL-AP BHARTI Airtel Ltd., IN 7552 3905 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3696 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3274 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2868 853 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2167 434 192 TATACOMM-AS TATA Communications formerly 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 13536 40827 5162 AMAZON-02, US 174 5269 8746 878 COGENT-174, US 11492 4734 314 586 CABLEONE, US 7155 3864 286 85 VIASAT-SP-BACKBONE, US 6327 3620 1320 81 SHAW, CA 22773 3347 3032 168 ASN-CXA-ALL-CCI-22773-RDC, US 749 3231 54784 2482 DNIC-AS-00749, US 396982 3171 3852 419 GOOGLE-CLOUD-PLATFORM, US 16625 3100 1294 2252 AKAMAI-AS, US 36352 2827 231 856 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 7718 1714 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4024 3395 126 AKAMAI-ASN1, NL 9009 3860 337 2055 M247, RO 12389 3071 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2391 360 580 TELLCOM-AS, TR 212238 2155 152 1584 CDNEXT, GB 8452 1611 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1423 94 738 CLOUVIDER Clouvider - Global ASN, GB 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 12195 3253 582 UNINET, MX 10620 3500 480 1017 Telmex Colombia S.A., CO 13999 2513 540 365 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad y 28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1205 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1198 371 22 Telefonica del Peru S.A.A., PE 28202 1125 52 9 Rede Brasileira de Comunicacao SA, BR 22884 1063 68 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1780 644 27 RAYA-AS, EG 24863 1654 389 17 LINKdotNET-AS, EG 29571 1608 102 33 ORANGE-COTE-IVOIRE, CI 36992 1434 1519 280 ETISALAT-MISR, EG 20011 1295 204 345 INTERNET-SOLUTIONS, ZA 36903 1250 554 97 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1058 523 46 Vodafone-, EG 37457 587 316 32 Telkom-Internet, ZA 36914 561 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 13536 40827 5162 AMAZON-02, US 8151 12195 3253 582 UNINET, MX 9808 11030 8755 95 CHINAMOBILE-CN China Mobile Communication 12479 7718 1714 148 UNI2-AS, ES 7545 6175 844 646 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5269 8746 878 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4734 314 586 CABLEONE, US 18403 4352 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4288 534 301 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 8151 12195 11613 UNINET, MX 9808 11030 10935 CHINAMOBILE-CN China Mobile Communications Grou 12479 7718 7570 UNI2-AS, ES 7545 6175 5529 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 174 5269 4391 COGENT-174, US 18403 4352 4327 FPT-AS-AP FPT Telecom Company, VN 11492 4734 4148 CABLEONE, US 9498 4288 3987 BBIL-AP BHARTI Airtel Ltd., IN 20940 4024 3898 AKAMAI-ASN1, NL 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 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: 6939 HURRICANE, 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:41 /11:92 /12:299 /13:583 /14:1227 /15:2185 /16:13968 /17:8337 /18:13850 /19:24809 /20:44559 /21:52496 /22:113365 /23:106519 /24:621398 /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 12479 6633 7718 UNI2-AS, ES 8151 6365 12195 UNINET, MX 11492 3531 4734 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3417 3620 SHAW, CA 7155 2823 3864 VIASAT-SP-BACKBONE, US 22773 2497 3347 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2358 13536 AMAZON-02, US 30036 2231 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2186 3500 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) ---------------------------------------------- 1:2380 2:1519 3:790 4:9 5:5003 6:163 7:6 8:1599 9:1 11:172 12:1357 13:435 14:2522 15:354 16:285 17:376 18:921 20:535 21:4 22:188 23:7588 24:2891 25:2 27:2784 29:19 31:3301 32:44 33:1 34:84 35:207 36:2956 37:4643 38:10330 39:908 40:170 41:4463 42:1950 43:2602 44:387 45:19391 46:5078 47:301 49:1942 50:1894 51:591 52:1564 54:320 55:1097 56:11 57:270 58:2217 59:1286 60:1168 61:3011 62:3016 63:1815 64:5528 65:2198 66:4731 67:3111 68:1138 69:4020 70:1084 71:634 72:2934 74:2813 75:1529 76:617 77:2805 78:1898 79:1641 80:2224 81:2103 82:3134 83:1448 84:1876 85:3419 86:1067 87:2390 88:1307 89:4407 90:777 91:8440 92:2715 93:2904 94:4069 95:4340 96:1473 97:316 98:978 99:688 100:71 101:1432 102:4295 103:32365 104:5069 105:1236 106:1033 107:2649 108:1256 109:4073 110:2244 111:3296 112:2100 113:1820 114:1980 115:2218 116:2083 117:2532 118:2773 119:1920 120:1954 121:1375 122:2788 123:2417 124:1600 125:2862 126:91 128:1621 129:1021 130:1340 131:2041 132:785 133:451 134:1548 135:379 136:1360 137:1132 138:3094 139:1591 140:1597 141:1503 142:1930 143:1798 144:1107 145:509 146:2196 147:2113 148:2714 149:2956 150:1224 151:1943 152:2105 153:564 154:8290 155:2004 156:3284 157:1910 158:1326 159:2445 160:3917 161:1889 162:3771 163:2187 164:1764 165:2242 166:1484 167:1920 168:4504 169:801 170:5339 171:1008 172:4447 173:3323 174:917 175:1297 176:3763 177:5482 178:3716 179:2506 180:2662 181:4240 182:3441 183:2112 184:2116 185:21771 186:5501 187:4866 188:4267 189:4514 190:9823 191:1918 192:11303 193:9517 194:7864 195:5647 196:3635 197:3807 198:6137 199:8527 200:8531 201:6491 202:10384 203:10713 204:4534 205:3629 206:4496 207:3476 208:4272 209:5185 210:4622 211:2528 212:4596 213:3784 214:1025 215:48 216:6801 217:3208 218:1363 219:390 220:2086 221:1096 222:718 223:2387 End of report