IPv4 R&E Routing Table Report 18:40 GMT Mon 29 Sep, 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: 1039021 Prefixes after maximum aggregation (per Origin AS): 390286 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 494858 Number of IPv4 prefixes with a valid ROA: 596955 Number of IPv4 prefixes with an invalid ROA: 2614 Number of IPv4 prefixes with no ROA: 439452 Total ASes present in the Internet Routing Table: 77434 Prefixes per ASN: 13.42 Origin-only ASes present in the Internet Routing Table: 66397 Origin ASes announcing only one prefix: 26487 Transit ASes present in the Internet Routing Table: 11037 Transit-only ASes present in the Internet Routing Table: 551 Paths with bogon ASNs present in the IPv4 Routing Table: 149 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: 1082 Number of 32-bit ASNs allocated by the RIRs: 47585 Number of 32-bit ASNs visible in the Routing Table: 39063 Prefixes from 32-bit ASNs in the Routing Table: 222649 Number of bogon 32-bit ASNs visible in the Routing Table: 112 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 436 Number of addresses announced to Internet: 3112524800 Equivalent to 185 /8s, 133 /16s and 92 /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: 343478 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 274776 Total APNIC prefixes after maximum aggregation: 79549 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 264535 Unique aggregates announced from the APNIC address blocks: 105233 APNIC Region origin ASes present in the Internet Routing Table: 14772 APNIC Prefixes per ASN: 17.91 APNIC Region origin ASes announcing only one prefix: 4449 APNIC Region transit ASes present in the Internet Routing Table: 1971 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: 10338 Number of APNIC addresses announced to Internet: 751649280 Equivalent to 44 /8s, 205 /16s and 66 /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: 299181 Total ARIN prefixes after maximum aggregation: 133974 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 300765 Unique aggregates announced from the ARIN address blocks: 142880 ARIN Region origin ASes present in the Internet Routing Table: 19317 ARIN Prefixes per ASN: 15.57 ARIN Region origin ASes announcing only one prefix: 7084 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: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5343 Number of ARIN addresses announced to Internet: 1352295936 Equivalent to 80 /8s, 154 /16s and 102 /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: 287522 Total RIPE prefixes after maximum aggregation: 138626 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 286733 Unique aggregates announced from the RIPE address blocks: 180612 RIPE Region origin ASes present in the Internet Routing Table: 29143 RIPE Prefixes per ASN: 9.84 RIPE Region origin ASes announcing only one prefix: 12079 RIPE Region transit ASes present in the Internet Routing Table: 4004 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: 12773 Number of RIPE addresses announced to Internet: 733185792 Equivalent to 43 /8s, 179 /16s and 135 /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: 138353 Total LACNIC prefixes after maximum aggregation: 30376 LACNIC Deaggregation factor: 4.55 Prefixes being announced from the LACNIC address blocks: 134301 Unique aggregates announced from the LACNIC address blocks: 49451 LACNIC Region origin ASes present in the Internet Routing Table: 11305 LACNIC Prefixes per ASN: 11.88 LACNIC Region origin ASes announcing only one prefix: 2208 LACNIC Region transit ASes present in the Internet Routing Table: 2525 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: 9263 Number of LACNIC addresses announced to Internet: 170980096 Equivalent to 10 /8s, 48 /16s and 243 /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: 38147 Total AfriNIC prefixes after maximum aggregation: 7047 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 52251 Unique aggregates announced from the AfriNIC address blocks: 16297 AfriNIC Region origin ASes present in the Internet Routing Table: 1983 AfriNIC Prefixes per ASN: 26.35 AfriNIC Region origin ASes announcing only one prefix: 667 AfriNIC Region transit ASes present in the Internet Routing Table: 391 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1346 Number of AfriNIC addresses announced to Internet: 104177920 Equivalent to 6 /8s, 53 /16s and 161 /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 13680 8759 113 CHINAMOBILE-CN China Mobile Communication 7545 6158 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4493 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 314 BBIL-AP BHARTI Airtel Ltd., IN 7552 3952 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3740 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3320 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3116 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2926 862 505 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2337 501 1483 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 14356 40904 5395 AMAZON-02, US 174 5131 8771 815 COGENT-174, US 11492 4746 320 804 CABLEONE, US 22773 3953 3061 312 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3675 1320 82 SHAW, CA 396982 3270 4824 459 GOOGLE-CLOUD-PLATFORM, US 749 3221 54766 2472 DNIC-AS-00749, US 4155 3077 238 1707 USDA-1, US 16625 3060 1304 2218 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 7447 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4037 3395 127 AKAMAI-ASN1, NL 9009 3983 372 2210 M247, RO 12389 3130 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2630 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2438 173 1762 CDNEXT, GB 34984 2413 363 574 TELLCOM-AS, TR 203020 1854 199 871 HOSTROYALE, IN 8452 1628 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 12413 3278 576 UNINET, MX 10620 3502 473 1046 Telmex Colombia S.A., CO 13999 2543 511 346 Mega Cable, S.A. de C.V., MX 11830 1985 369 64 Instituto Costarricense de Electricidad y 28573 1578 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1230 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1178 371 23 Telefonica del Peru S.A.A., PE 22884 1063 71 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1011 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 1847 652 28 RAYA-AS, EG 36992 1510 1498 384 ETISALAT-MISR, EG 20011 1324 205 344 NTT-DATA-Inc, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1247 389 20 LINKdotNET-AS, EG 29571 1185 102 53 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1059 520 42 Vodafone-, EG 36914 568 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 14356 40904 5395 AMAZON-02, US 9808 13680 8759 113 CHINAMOBILE-CN China Mobile Communication 8151 12413 3278 576 UNINET, MX 12479 7447 1711 149 UNI2-AS, ES 7545 6158 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5131 8771 815 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4746 320 804 CABLEONE, US 18403 4493 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 314 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 13680 13567 CHINAMOBILE-CN China Mobile Communications Grou 8151 12413 11837 UNINET, MX 12479 7447 7298 UNI2-AS, ES 7545 6158 5559 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4493 4467 FPT-AS-AP FPT Telecom Company, VN 174 5131 4316 COGENT-174, US 9498 4474 4160 BBIL-AP BHARTI Airtel Ltd., IN 11492 4746 3942 CABLEONE, US 7552 3952 3924 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 33132 CROWNCASTLE-AS33132, 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 /14:1213 /15:2166 /16:13861 /17:8358 /18:13704 /19:25178 /20:45619 /21:53417 /22:115133 /23:111326 /24:647996 /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 6598 12413 UNINET, MX 12479 6420 7447 UNI2-AS, ES 11492 3560 4746 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3465 3675 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2514 3953 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2435 14356 AMAZON-02, US 30036 2282 2622 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2220 3502 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) ---------------------------------------------- 1:2449 2:1682 3:941 4:10 5:5232 6:170 7:6 8:1560 9:6 11:172 12:1245 13:558 14:2639 15:402 16:302 17:392 18:905 20:592 21:4 22:188 23:7945 24:2800 25:2 27:2855 29:19 31:3531 32:37 33:1 34:88 35:276 36:4460 37:4677 38:10734 39:1096 40:296 41:4624 42:1999 43:2875 44:391 45:20501 46:5254 47:373 49:2189 50:2060 51:595 52:1605 54:363 55:1089 56:11 57:295 58:2263 59:1364 60:1194 61:3125 62:3115 63:1783 64:5694 65:2164 66:5030 67:3147 68:1133 69:4090 70:1047 71:643 72:3043 74:2867 75:1518 76:605 77:2896 78:1937 79:1781 80:2270 81:2143 82:3472 83:1522 84:1997 85:3541 86:1199 87:2414 88:1380 89:4696 90:815 91:8518 92:2865 93:3006 94:4335 95:4615 96:1528 97:312 98:953 99:764 100:71 101:1467 102:4768 103:33211 104:5386 105:1073 106:895 107:2662 108:1229 109:4272 110:2254 111:3785 112:2662 113:1894 114:2001 115:2416 116:2122 117:2943 118:3076 119:1949 120:2284 121:1373 122:2871 123:2561 124:1755 125:2880 126:91 128:1616 129:1007 130:1311 131:2316 132:806 133:461 134:1618 135:412 136:1503 137:1136 138:3173 139:1617 140:1650 141:1566 142:1943 143:2140 144:1289 145:633 146:2190 147:2148 148:2747 149:2929 150:1284 151:2572 152:2400 153:643 154:7890 155:2077 156:3520 157:2107 158:1419 159:2590 160:3645 161:2030 162:3965 163:2264 164:1996 165:2616 166:1566 167:2130 168:4147 169:795 170:5822 171:1015 172:4289 173:3436 174:908 175:1356 176:3959 177:5870 178:4453 179:2715 180:2662 181:4418 182:3727 183:2654 184:2113 185:21970 186:5917 187:5127 188:4407 189:4692 190:10089 191:1766 192:11442 193:9558 194:7949 195:5771 196:3691 197:4031 198:6157 199:8764 200:8646 201:6641 202:10704 203:10849 204:4592 205:3627 206:4584 207:3580 208:4327 209:5368 210:4857 211:2710 212:4847 213:3947 214:1039 215:52 216:7004 217:3498 218:1585 219:423 220:2197 221:1267 222:752 223:3074 End of report