IPv4 R&E Routing Table Report 18:40 GMT Tue 07 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: 1018038 Prefixes after maximum aggregation (per Origin AS): 390850 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 495446 Number of IPv4 prefixes with a valid ROA: 583478 Number of IPv4 prefixes with an invalid ROA: 2435 Number of IPv4 prefixes with no ROA: 432125 Total ASes present in the Internet Routing Table: 77464 Prefixes per ASN: 13.14 Origin-only ASes present in the Internet Routing Table: 66359 Origin ASes announcing only one prefix: 27010 Transit ASes present in the Internet Routing Table: 11105 Transit-only ASes present in the Internet Routing Table: 558 Paths with bogon ASNs present in the IPv4 Routing Table: 164 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 97 Max AS path prepend of ASN ( 37447) 53 Prefixes from unregistered ASNs in the Routing Table: 1037 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 47654 Number of 32-bit ASNs visible in the Routing Table: 39126 Prefixes from 32-bit ASNs in the Routing Table: 213809 Number of bogon 32-bit ASNs visible in the Routing Table: 136 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 438 Number of addresses announced to Internet: 3111759360 Equivalent to 185 /8s, 121 /16s and 174 /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: 333625 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 271633 Total APNIC prefixes after maximum aggregation: 79858 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 261335 Unique aggregates announced from the APNIC address blocks: 105620 APNIC Region origin ASes present in the Internet Routing Table: 14824 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 4496 APNIC Region transit ASes present in the Internet Routing Table: 1988 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: 10382 Number of APNIC addresses announced to Internet: 751605504 Equivalent to 44 /8s, 204 /16s and 151 /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: 297894 Total ARIN prefixes after maximum aggregation: 134099 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 299313 Unique aggregates announced from the ARIN address blocks: 142970 ARIN Region origin ASes present in the Internet Routing Table: 19324 ARIN Prefixes per ASN: 15.49 ARIN Region origin ASes announcing only one prefix: 7081 ARIN Region transit ASes present in the Internet Routing Table: 1974 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: 5348 Number of ARIN addresses announced to Internet: 1352334336 Equivalent to 80 /8s, 154 /16s and 252 /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: 284788 Total RIPE prefixes after maximum aggregation: 138744 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 284008 Unique aggregates announced from the RIPE address blocks: 180773 RIPE Region origin ASes present in the Internet Routing Table: 29109 RIPE Prefixes per ASN: 9.76 RIPE Region origin ASes announcing only one prefix: 12090 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: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12774 Number of RIPE addresses announced to Internet: 732705024 Equivalent to 43 /8s, 172 /16s and 49 /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: 125429 Total LACNIC prefixes after maximum aggregation: 30400 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 121626 Unique aggregates announced from the LACNIC address blocks: 49472 LACNIC Region origin ASes present in the Internet Routing Table: 11313 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2541 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9280 Number of LACNIC addresses announced to Internet: 170858240 Equivalent to 10 /8s, 47 /16s and 23 /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: 37257 Total AfriNIC prefixes after maximum aggregation: 7043 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 51318 Unique aggregates announced from the AfriNIC address blocks: 16223 AfriNIC Region origin ASes present in the Internet Routing Table: 1976 AfriNIC Prefixes per ASN: 25.97 AfriNIC Region origin ASes announcing only one prefix: 685 AfriNIC Region transit ASes present in the Internet Routing Table: 389 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1342 Number of AfriNIC addresses announced to Internet: 104019712 Equivalent to 6 /8s, 51 /16s and 55 /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 6178 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4554 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 315 BBIL-AP BHARTI Airtel Ltd., IN 7552 3949 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3752 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3319 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3116 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2930 863 500 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2436 509 1566 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 14323 40993 5384 AMAZON-02, US 174 4888 8768 799 COGENT-174, US 11492 4752 320 794 CABLEONE, US 22773 4019 3068 359 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3676 1320 82 SHAW, CA 396982 3267 4823 462 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3102 240 1721 USDA-1, US 16625 3045 1302 2214 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 7414 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4050 3395 127 AKAMAI-ASN1, NL 9009 3986 374 2247 M247, RO 12389 3141 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2630 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2471 176 1789 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 203020 1906 203 906 HOSTROYALE, IN 8452 1659 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 12369 3279 577 UNINET, MX 10620 3504 474 1059 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 1369 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1228 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1179 371 23 Telefonica del Peru S.A.A., PE 22884 1069 71 353 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1008 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 1766 600 27 RAYA-AS, EG 36992 1508 1498 383 ETISALAT-MISR, EG 20011 1324 205 344 NTT-DATA-Inc, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1249 389 20 LINKdotNET-AS, EG 29571 1188 102 53 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 958 523 47 Vodafone-, EG 36914 576 82 3 KENET-AS, KE 3741 567 725 321 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 14323 40993 5384 AMAZON-02, US 9808 13677 8759 113 CHINAMOBILE-CN China Mobile Communication 8151 12369 3279 577 UNINET, MX 12479 7414 1711 149 UNI2-AS, ES 7545 6178 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4888 8768 799 COGENT-174, US 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4752 320 794 CABLEONE, US 18403 4554 348 27 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 12369 11792 UNINET, MX 12479 7414 7265 UNI2-AS, ES 7545 6178 5579 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4554 4527 FPT-AS-AP FPT Telecom Company, VN 9498 4474 4159 BBIL-AP BHARTI Airtel Ltd., IN 174 4888 4089 COGENT-174, US 11492 4752 3958 CABLEONE, US 20940 4050 3923 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 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 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, 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 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 /12:301 /13:583 /14:1203 /15:2142 /16:13848 /17:8304 /18:13645 /19:24864 /20:45068 /21:52575 /22:113665 /23:105980 /24:635696 /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 6595 12369 UNINET, MX 12479 6382 7414 UNI2-AS, ES 11492 3565 4752 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3466 3676 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2528 4019 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2396 14323 AMAZON-02, US 30036 2294 2634 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2217 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) ---------------------------------------------- 1:2450 2:1675 3:945 4:10 5:4980 6:169 7:6 8:1550 9:6 11:172 12:1243 13:566 14:2646 15:402 16:304 17:389 18:907 20:593 21:4 22:188 23:7963 24:2704 25:2 27:2782 29:19 31:3475 32:34 33:1 34:88 35:271 36:4459 37:4600 38:10579 39:1095 40:299 41:4549 42:2042 43:2782 44:394 45:19173 46:5246 47:348 49:2073 50:2058 51:595 52:1593 54:360 55:1094 56:11 57:293 58:2269 59:1332 60:1194 61:3093 62:3099 63:1783 64:5683 65:2144 66:5044 67:3128 68:1108 69:4034 70:1053 71:645 72:3011 74:2862 75:1504 76:606 77:2804 78:1923 79:1753 80:2274 81:2124 82:3460 83:1513 84:2000 85:3531 86:1200 87:2388 88:1361 89:4518 90:806 91:8417 92:2852 93:2993 94:4278 95:4510 96:1515 97:312 98:953 99:738 100:71 101:1467 102:4511 103:32634 104:5381 105:1070 106:895 107:2669 108:1215 109:4241 110:2250 111:3781 112:2662 113:1891 114:2001 115:2340 116:2133 117:2943 118:3077 119:2009 120:2271 121:1372 122:2835 123:2441 124:1736 125:2907 126:125 128:1573 129:1001 130:1301 131:2145 132:784 133:462 134:1612 135:369 136:1497 137:1134 138:2824 139:1609 140:1628 141:1544 142:2036 143:2056 144:1280 145:627 146:2184 147:2140 148:2752 149:2976 150:1285 151:2587 152:2174 153:574 154:7841 155:2069 156:3546 157:2026 158:1442 159:2598 160:3587 161:1997 162:3963 163:2234 164:1959 165:2576 166:1567 167:2101 168:3846 169:785 170:5376 171:1025 172:4276 173:3411 174:911 175:1373 176:3863 177:4783 178:4293 179:2303 180:2659 181:4260 182:3724 183:2555 184:2099 185:21818 186:5397 187:4709 188:4355 189:4399 190:9768 191:1540 192:11416 193:9494 194:7911 195:5701 196:3604 197:3920 198:6103 199:8776 200:8121 201:6353 202:10535 203:10714 204:4588 205:3631 206:4430 207:3562 208:4342 209:5325 210:4746 211:2711 212:4852 213:3930 214:1042 215:52 216:6962 217:3497 218:1587 219:414 220:2197 221:1235 222:752 223:3075 End of report