IPv4 R&E Routing Table Report 18:40 GMT Sun 28 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: 1039386 Prefixes after maximum aggregation (per Origin AS): 390572 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 495023 Number of IPv4 prefixes with a valid ROA: 595269 Number of IPv4 prefixes with an invalid ROA: 2766 Number of IPv4 prefixes with no ROA: 441351 Total ASes present in the Internet Routing Table: 77487 Prefixes per ASN: 13.41 Origin-only ASes present in the Internet Routing Table: 66436 Origin ASes announcing only one prefix: 26501 Transit ASes present in the Internet Routing Table: 11051 Transit-only ASes present in the Internet Routing Table: 550 Paths with bogon ASNs present in the IPv4 Routing Table: 152 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: 1054 Number of instances of unregistered ASNs: 1094 Number of 32-bit ASNs allocated by the RIRs: 47585 Number of 32-bit ASNs visible in the Routing Table: 39114 Prefixes from 32-bit ASNs in the Routing Table: 222761 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: 444 Number of addresses announced to Internet: 3113377024 Equivalent to 185 /8s, 146 /16s and 93 /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: 343405 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 275418 Total APNIC prefixes after maximum aggregation: 79753 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 265247 Unique aggregates announced from the APNIC address blocks: 105727 APNIC Region origin ASes present in the Internet Routing Table: 14836 APNIC Prefixes per ASN: 17.88 APNIC Region origin ASes announcing only one prefix: 4467 APNIC Region transit ASes present in the Internet Routing Table: 1985 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10392 Number of APNIC addresses announced to Internet: 751905280 Equivalent to 44 /8s, 209 /16s and 42 /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: 299363 Total ARIN prefixes after maximum aggregation: 134052 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 300902 Unique aggregates announced from the ARIN address blocks: 142815 ARIN Region origin ASes present in the Internet Routing Table: 19320 ARIN Prefixes per ASN: 15.57 ARIN Region origin ASes announcing only one prefix: 7087 ARIN Region transit ASes present in the Internet Routing Table: 1956 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: 5343 Number of ARIN addresses announced to Internet: 1352834560 Equivalent to 80 /8s, 162 /16s and 158 /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: 287741 Total RIPE prefixes after maximum aggregation: 138708 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 286928 Unique aggregates announced from the RIPE address blocks: 180502 RIPE Region origin ASes present in the Internet Routing Table: 29157 RIPE Prefixes per ASN: 9.84 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 4019 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12783 Number of RIPE addresses announced to Internet: 733604608 Equivalent to 43 /8s, 185 /16s and 235 /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: 137651 Total LACNIC prefixes after maximum aggregation: 30278 LACNIC Deaggregation factor: 4.55 Prefixes being announced from the LACNIC address blocks: 133574 Unique aggregates announced from the LACNIC address blocks: 49306 LACNIC Region origin ASes present in the Internet Routing Table: 11272 LACNIC Prefixes per ASN: 11.85 LACNIC Region origin ASes announcing only one prefix: 2190 LACNIC Region transit ASes present in the Internet Routing Table: 2503 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: 9249 Number of LACNIC addresses announced to Internet: 170685952 Equivalent to 10 /8s, 44 /16s and 118 /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: 38159 Total AfriNIC prefixes after maximum aggregation: 7057 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 52291 Unique aggregates announced from the AfriNIC address blocks: 16280 AfriNIC Region origin ASes present in the Internet Routing Table: 1984 AfriNIC Prefixes per ASN: 26.36 AfriNIC Region origin ASes announcing only one prefix: 669 AfriNIC Region transit ASes present in the Internet Routing Table: 393 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: 1347 Number of AfriNIC addresses announced to Internet: 104115968 Equivalent to 6 /8s, 52 /16s and 175 /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 13681 8759 113 CHINAMOBILE-CN China Mobile Communication 7545 6158 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4474 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4474 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 3952 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3744 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 2259 496 1427 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 14426 40910 5367 AMAZON-02, US 174 5119 8772 823 COGENT-174, US 11492 4746 320 804 CABLEONE, US 22773 3958 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 3066 237 1698 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 7454 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4039 3395 127 AKAMAI-ASN1, NL 9009 3993 372 2216 M247, RO 12389 3127 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2630 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2438 173 1762 CDNEXT, GB 34984 2412 363 573 TELLCOM-AS, TR 203020 1877 198 874 HOSTROYALE, IN 8452 1627 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 12409 3278 573 UNINET, MX 10620 3503 474 1047 Telmex Colombia S.A., CO 13999 2543 511 346 Mega Cable, S.A. de C.V., MX 11830 1989 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 1231 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 1513 1498 384 ETISALAT-MISR, EG 20011 1325 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 1077 522 45 Vodafone-, EG 3741 566 725 321 NTT-DATA-Inc, ZA 36914 557 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 14426 40910 5367 AMAZON-02, US 9808 13681 8759 113 CHINAMOBILE-CN China Mobile Communication 8151 12409 3278 573 UNINET, MX 12479 7454 1711 149 UNI2-AS, ES 7545 6158 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5119 8772 823 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4746 320 804 CABLEONE, US 9498 4474 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4474 347 26 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 13681 13568 CHINAMOBILE-CN China Mobile Communications Grou 8151 12409 11836 UNINET, MX 12479 7454 7305 UNI2-AS, ES 7545 6158 5559 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4474 4448 FPT-AS-AP FPT Telecom Company, VN 174 5119 4296 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 /14:1214 /15:2167 /16:13883 /17:8363 /18:13767 /19:25197 /20:45535 /21:53452 /22:115230 /23:111432 /24:648096 /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 6597 12409 UNINET, MX 12479 6427 7454 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 2519 3958 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2455 14426 AMAZON-02, US 30036 2292 2634 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2221 3503 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) ---------------------------------------------- 1:2447 2:1681 3:944 4:10 5:5235 6:170 7:6 8:1554 9:6 11:172 12:1246 13:555 14:2638 15:401 16:301 17:391 18:911 20:592 21:4 22:188 23:7967 24:2807 25:2 27:2861 29:19 31:3531 32:38 33:1 34:88 35:276 36:4460 37:4676 38:10747 39:1096 40:297 41:4613 42:1987 43:2874 44:389 45:20524 46:5270 47:374 49:2188 50:2057 51:595 52:1607 54:363 55:1041 56:11 57:295 58:2292 59:1374 60:1194 61:3134 62:3119 63:1784 64:5703 65:2163 66:5028 67:3153 68:1118 69:4091 70:1050 71:644 72:3035 74:2874 75:1519 76:605 77:2898 78:1936 79:1780 80:2274 81:2130 82:3468 83:1525 84:2001 85:3542 86:1194 87:2417 88:1380 89:4700 90:814 91:8531 92:2870 93:2995 94:4345 95:4621 96:1528 97:311 98:953 99:764 100:71 101:1483 102:4766 103:33361 104:5387 105:1085 106:894 107:2660 108:1232 109:4287 110:2252 111:3793 112:2662 113:1893 114:2003 115:2420 116:2149 117:2947 118:3074 119:1990 120:2284 121:1379 122:2871 123:2560 124:1776 125:2912 126:91 128:1610 129:1003 130:1298 131:2318 132:805 133:461 134:1616 135:412 136:1503 137:1139 138:3150 139:1619 140:1649 141:1568 142:1936 143:2129 144:1290 145:644 146:2192 147:2147 148:2741 149:2984 150:1280 151:2545 152:2431 153:643 154:7906 155:2071 156:3533 157:2098 158:1421 159:2590 160:3650 161:1999 162:3960 163:2338 164:1998 165:2614 166:1568 167:2126 168:4141 169:795 170:5808 171:1015 172:4292 173:3437 174:908 175:1376 176:3965 177:5884 178:4469 179:2707 180:2702 181:4313 182:3737 183:2653 184:2114 185:21989 186:5883 187:5136 188:4409 189:4700 190:9910 191:1770 192:11462 193:9549 194:7957 195:5771 196:3687 197:4033 198:6148 199:8758 200:8391 201:6644 202:10705 203:10891 204:4597 205:3638 206:4582 207:3571 208:4344 209:5370 210:4858 211:2710 212:4836 213:3954 214:1034 215:52 216:7003 217:3503 218:1585 219:423 220:2197 221:1266 222:752 223:3082 End of report