IPv4 R&E Routing Table Report 18:40 GMT Fri 05 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: 1024323 Prefixes after maximum aggregation (per Origin AS): 388636 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 492070 Number of IPv4 prefixes with a valid ROA: 584280 Number of IPv4 prefixes with an invalid ROA: 2572 Number of IPv4 prefixes with no ROA: 437237 Total ASes present in the Internet Routing Table: 77399 Prefixes per ASN: 13.23 Origin-only ASes present in the Internet Routing Table: 66368 Origin ASes announcing only one prefix: 26606 Transit ASes present in the Internet Routing Table: 11031 Transit-only ASes present in the Internet Routing Table: 550 Paths with bogon ASNs present in the IPv4 Routing Table: 136 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 54 Prefixes from unregistered ASNs in the Routing Table: 1143 Number of instances of unregistered ASNs: 1182 Number of 32-bit ASNs allocated by the RIRs: 47329 Number of 32-bit ASNs visible in the Routing Table: 38989 Prefixes from 32-bit ASNs in the Routing Table: 217172 Number of bogon 32-bit ASNs visible in the Routing Table: 111 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 463 Number of addresses announced to Internet: 3108581120 Equivalent to 185 /8s, 73 /16s and 47 /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: 337680 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269998 Total APNIC prefixes after maximum aggregation: 79117 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 260172 Unique aggregates announced from the APNIC address blocks: 105303 APNIC Region origin ASes present in the Internet Routing Table: 14799 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 4488 APNIC Region transit ASes present in the Internet Routing Table: 1973 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: 10359 Number of APNIC addresses announced to Internet: 750505984 Equivalent to 44 /8s, 187 /16s and 208 /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: 297161 Total ARIN prefixes after maximum aggregation: 133410 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 299337 Unique aggregates announced from the ARIN address blocks: 142272 ARIN Region origin ASes present in the Internet Routing Table: 19289 ARIN Prefixes per ASN: 15.52 ARIN Region origin ASes announcing only one prefix: 7049 ARIN Region transit ASes present in the Internet Routing Table: 1961 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: 5320 Number of ARIN addresses announced to Internet: 1349495808 Equivalent to 80 /8s, 111 /16s and 172 /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: 285209 Total RIPE prefixes after maximum aggregation: 138117 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 283970 Unique aggregates announced from the RIPE address blocks: 179508 RIPE Region origin ASes present in the Internet Routing Table: 29114 RIPE Prefixes per ASN: 9.75 RIPE Region origin ASes announcing only one prefix: 12079 RIPE Region transit ASes present in the Internet Routing Table: 3993 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: 12718 Number of RIPE addresses announced to Internet: 732657152 Equivalent to 43 /8s, 171 /16s and 118 /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: 132578 Total LACNIC prefixes after maximum aggregation: 30246 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 128600 Unique aggregates announced from the LACNIC address blocks: 49323 LACNIC Region origin ASes present in the Internet Routing Table: 11297 LACNIC Prefixes per ASN: 11.38 LACNIC Region origin ASes announcing only one prefix: 2332 LACNIC Region transit ASes present in the Internet Routing Table: 2533 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 93 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9257 Number of LACNIC addresses announced to Internet: 170833920 Equivalent to 10 /8s, 46 /16s and 184 /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: 38234 Total AfriNIC prefixes after maximum aggregation: 6997 AfriNIC Deaggregation factor: 5.46 Prefixes being announced from the AfriNIC address blocks: 51781 Unique aggregates announced from the AfriNIC address blocks: 15260 AfriNIC Region origin ASes present in the Internet Routing Table: 1973 AfriNIC Prefixes per ASN: 26.24 AfriNIC Region origin ASes announcing only one prefix: 658 AfriNIC Region transit ASes present in the Internet Routing Table: 390 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: 1335 Number of AfriNIC addresses announced to Internet: 104839168 Equivalent to 6 /8s, 63 /16s and 184 /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 12920 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6135 838 613 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4395 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 3932 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3675 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3315 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 14376 40867 5376 AMAZON-02, US 174 4975 8760 844 COGENT-174, US 11492 4732 314 822 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3657 1320 82 SHAW, CA 22773 3359 3034 180 ASN-CXA-ALL-CCI-22773-RDC, US 396982 3223 3859 441 GOOGLE-CLOUD-PLATFORM, US 749 3221 54766 2472 DNIC-AS-00749, US 16625 3061 1300 2213 AKAMAI-AS, US 4155 2978 232 1748 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 7495 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4038 3395 128 AKAMAI-ASN1, NL 9009 3897 367 2195 M247, RO 12389 3126 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2628 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2413 361 586 TELLCOM-AS, TR 212238 2412 172 1747 CDNEXT, GB 203020 1894 226 872 HOSTROYALE, IN 8452 1611 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 12371 3275 572 UNINET, MX 10620 3486 472 1048 Telmex Colombia S.A., CO 13999 2539 511 347 Mega Cable, S.A. de C.V., MX 11830 1989 369 64 Instituto Costarricense de Electricidad y 28573 1372 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1215 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1178 371 22 Telefonica del Peru S.A.A., PE 22884 1061 70 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1012 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 1824 652 28 RAYA-AS, EG 36992 1429 1495 377 ETISALAT-MISR, EG 29571 1371 102 38 ORANGE-COTE-IVOIRE, CI 20011 1319 204 345 INTERNET-SOLUTIONS, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1245 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 1066 523 46 Vodafone-, EG 36914 575 82 3 KENET-AS, KE 3741 564 725 321 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 14376 40867 5376 AMAZON-02, US 9808 12920 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12371 3275 572 UNINET, MX 12479 7495 1711 150 UNI2-AS, ES 7545 6135 838 613 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4975 8760 844 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4732 314 822 CABLEONE, US 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4395 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 12920 12809 CHINAMOBILE-CN China Mobile Communications Grou 8151 12371 11799 UNINET, MX 12479 7495 7345 UNI2-AS, ES 7545 6135 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4395 4369 FPT-AS-AP FPT Telecom Company, VN 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 174 4975 4131 COGENT-174, US 11492 4732 3910 CABLEONE, US 20940 4038 3910 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 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 /15:2174 /16:13855 /17:8343 /18:13750 /19:24874 /20:45325 /21:53071 /22:114475 /23:109008 /24:637191 /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 6542 12371 UNINET, MX 12479 6450 7495 UNI2-AS, ES 11492 3548 4732 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3455 3657 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2510 3359 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2422 14376 AMAZON-02, US 30036 2325 2668 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2206 3486 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) ---------------------------------------------- 1:2445 2:1661 3:934 4:10 5:5210 6:156 7:6 8:1555 9:4 11:172 12:1255 13:559 14:2622 15:395 16:302 17:392 18:909 20:587 21:4 22:188 23:7905 24:2805 25:2 27:2859 29:19 31:3498 32:37 33:1 34:88 35:270 36:4301 37:4595 38:10528 39:1002 40:265 41:4549 42:1946 43:2773 44:387 45:19759 46:5220 47:347 49:2033 50:2063 51:592 52:1608 54:361 55:1113 56:11 57:293 58:2254 59:1329 60:1189 61:3086 62:3084 63:1797 64:5683 65:2164 66:4940 67:3151 68:1101 69:4051 70:1047 71:639 72:2988 74:2858 75:1525 76:606 77:2902 78:1934 79:1760 80:2262 81:2118 82:3323 83:1509 84:1970 85:3518 86:1198 87:2386 88:1370 89:4517 90:804 91:8506 92:2846 93:2985 94:4288 95:4479 96:1504 97:311 98:951 99:733 100:71 101:1470 102:4673 103:32804 104:5315 105:1077 106:876 107:2656 108:1230 109:4251 110:2237 111:3589 112:2480 113:1875 114:1991 115:2326 116:2137 117:2704 118:3068 119:1953 120:2212 121:1360 122:2842 123:2498 124:1751 125:2908 126:91 128:1600 129:1008 130:1326 131:2241 132:792 133:460 134:1609 135:412 136:1499 137:1137 138:3003 139:1593 140:1631 141:1560 142:1940 143:2054 144:1234 145:625 146:2196 147:2133 148:2734 149:2975 150:1268 151:2401 152:2136 153:629 154:7730 155:1986 156:3307 157:1983 158:1423 159:2562 160:3678 161:1977 162:3929 163:2323 164:1951 165:2580 166:1567 167:2094 168:4032 169:793 170:5489 171:1001 172:4282 173:3441 174:907 175:1366 176:3898 177:5342 178:4179 179:2508 180:2628 181:4325 182:3663 183:2362 184:2109 185:21912 186:5711 187:4841 188:4349 189:4532 190:9851 191:1625 192:11441 193:9544 194:7954 195:5680 196:3698 197:4044 198:6145 199:8688 200:8541 201:6502 202:10604 203:10872 204:4588 205:3639 206:4572 207:3543 208:4318 209:5220 210:4805 211:2678 212:4717 213:3909 214:1043 215:51 216:6916 217:3459 218:1474 219:422 220:2159 221:1211 222:748 223:2867 End of report