IPv4 R&E Routing Table Report 18:40 GMT Sat 23 Aug, 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: 1022206 Prefixes after maximum aggregation (per Origin AS): 387694 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 491376 Number of IPv4 prefixes with a valid ROA: 579610 Number of IPv4 prefixes with an invalid ROA: 2345 Number of IPv4 prefixes with no ROA: 440251 Total ASes present in the Internet Routing Table: 77370 Prefixes per ASN: 13.21 Origin-only ASes present in the Internet Routing Table: 66376 Origin ASes announcing only one prefix: 26596 Transit ASes present in the Internet Routing Table: 10994 Transit-only ASes present in the Internet Routing Table: 552 Paths with bogon ASNs present in the IPv4 Routing Table: 120 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: 1142 Number of instances of unregistered ASNs: 1181 Number of 32-bit ASNs allocated by the RIRs: 47254 Number of 32-bit ASNs visible in the Routing Table: 38932 Prefixes from 32-bit ASNs in the Routing Table: 216209 Number of bogon 32-bit ASNs visible in the Routing Table: 110 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 446 Number of addresses announced to Internet: 3108316928 Equivalent to 185 /8s, 69 /16s and 39 /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: 336578 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269589 Total APNIC prefixes after maximum aggregation: 78959 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 259943 Unique aggregates announced from the APNIC address blocks: 105196 APNIC Region origin ASes present in the Internet Routing Table: 14802 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 4496 APNIC Region transit ASes present in the Internet Routing Table: 1976 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10346 Number of APNIC addresses announced to Internet: 750415104 Equivalent to 44 /8s, 186 /16s and 109 /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: 296683 Total ARIN prefixes after maximum aggregation: 133239 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298583 Unique aggregates announced from the ARIN address blocks: 141970 ARIN Region origin ASes present in the Internet Routing Table: 19284 ARIN Prefixes per ASN: 15.48 ARIN Region origin ASes announcing only one prefix: 7060 ARIN Region transit ASes present in the Internet Routing Table: 1958 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: 5303 Number of ARIN addresses announced to Internet: 1349083136 Equivalent to 80 /8s, 105 /16s and 96 /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: 284448 Total RIPE prefixes after maximum aggregation: 137571 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283456 Unique aggregates announced from the RIPE address blocks: 179200 RIPE Region origin ASes present in the Internet Routing Table: 29104 RIPE Prefixes per ASN: 9.74 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 3985 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: 12705 Number of RIPE addresses announced to Internet: 732929024 Equivalent to 43 /8s, 175 /16s and 156 /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: 132525 Total LACNIC prefixes after maximum aggregation: 30198 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 128571 Unique aggregates announced from the LACNIC address blocks: 49313 LACNIC Region origin ASes present in the Internet Routing Table: 11292 LACNIC Prefixes per ASN: 11.39 LACNIC Region origin ASes announcing only one prefix: 2308 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: 9253 Number of LACNIC addresses announced to Internet: 170865152 Equivalent to 10 /8s, 47 /16s and 50 /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: 37819 Total AfriNIC prefixes after maximum aggregation: 6985 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 51207 Unique aggregates announced from the AfriNIC address blocks: 15313 AfriNIC Region origin ASes present in the Internet Routing Table: 1961 AfriNIC Prefixes per ASN: 26.11 AfriNIC Region origin ASes announcing only one prefix: 656 AfriNIC Region transit ASes present in the Internet Routing Table: 381 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: 1325 Number of AfriNIC addresses announced to Internet: 104780544 Equivalent to 6 /8s, 62 /16s and 211 /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 12925 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4450 348 27 FPT-AS-AP FPT Telecom Company, VN 7552 3940 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3679 1043 71 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3312 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 2970 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2923 865 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2183 1437 75 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 14067 40856 5346 AMAZON-02, US 174 5081 8760 852 COGENT-174, US 11492 4742 314 779 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3646 1320 82 SHAW, CA 22773 3339 3030 160 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3217 3857 435 GOOGLE-CLOUD-PLATFORM, US 16625 3049 1293 2209 AKAMAI-AS, US 4155 2937 229 1735 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 7543 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4032 3395 128 AKAMAI-ASN1, NL 9009 3874 366 2193 M247, RO 12389 3117 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2404 361 585 TELLCOM-AS, TR 212238 2335 166 1703 CDNEXT, GB 203020 1810 220 831 HOSTROYALE, IN 8452 1607 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 12325 3270 571 UNINET, MX 10620 3483 472 1054 Telmex Colombia S.A., CO 13999 2527 511 351 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1371 2432 266 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1222 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1178 371 22 Telefonica del Peru S.A.A., PE 22884 1059 70 381 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1019 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 1770 660 28 RAYA-AS, EG 29571 1499 94 32 ORANGE-COTE-IVOIRE, CI 36992 1424 1495 374 ETISALAT-MISR, EG 20011 1319 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24863 1242 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 991 523 46 Vodafone-, EG 36914 576 82 3 KENET-AS, KE 3741 565 725 321 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 14067 40856 5346 AMAZON-02, US 9808 12925 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12325 3270 571 UNINET, MX 12479 7543 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5081 8760 852 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4742 314 779 CABLEONE, US 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4450 348 27 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 12925 12814 CHINAMOBILE-CN China Mobile Communications Grou 8151 12325 11754 UNINET, MX 12479 7543 7393 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4450 4423 FPT-AS-AP FPT Telecom Company, VN 174 5081 4229 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4742 3963 CABLEONE, US 7552 3940 3913 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 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 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 23.147.224.0/24 Origin: 27392 639-DATACENTERS, US 23.147.224.0/24 Transit: 3356 LEVEL3, 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 /11:92 /12:299 /13:580 /14:1214 /15:2174 /16:13874 /17:8362 /18:13793 /19:24867 /20:45085 /21:53096 /22:114301 /23:108814 /24:635584 /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 6504 7543 UNI2-AS, ES 8151 6502 12325 UNINET, MX 11492 3555 4742 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3444 3646 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2498 3339 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2398 14067 AMAZON-02, US 30036 2315 2658 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2203 3483 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) ---------------------------------------------- 1:2438 2:1655 3:924 4:10 5:5185 6:158 7:6 8:1570 9:3 11:172 12:1256 13:480 14:2601 15:385 16:285 17:383 18:907 20:583 21:4 22:188 23:7912 24:2805 25:2 27:2880 29:19 31:3499 32:37 33:1 34:88 35:264 36:4296 37:4631 38:10480 39:998 40:268 41:4481 42:1985 43:2762 44:388 45:19733 46:5196 47:341 49:2013 50:2070 51:592 52:1562 54:333 55:1112 56:11 57:296 58:2257 59:1333 60:1184 61:3089 62:3064 63:1799 64:5675 65:2168 66:4912 67:3151 68:1098 69:4061 70:1047 71:643 72:2981 74:2856 75:1527 76:607 77:2899 78:1927 79:1740 80:2265 81:2116 82:3277 83:1498 84:1944 85:3503 86:1224 87:2400 88:1368 89:4511 90:777 91:8516 92:2835 93:2986 94:4253 95:4492 96:1498 97:311 98:955 99:712 100:70 101:1468 102:4528 103:32767 104:5313 105:1070 106:875 107:2652 108:1282 109:4246 110:2252 111:3590 112:2485 113:1902 114:1984 115:2302 116:2142 117:2708 118:3043 119:1948 120:2208 121:1350 122:2840 123:2483 124:1767 125:2914 126:91 128:1615 129:1005 130:1328 131:2160 132:783 133:460 134:1630 135:403 136:1491 137:1133 138:3020 139:1600 140:1626 141:1536 142:1943 143:2052 144:1219 145:605 146:2196 147:2114 148:2732 149:3082 150:1267 151:2401 152:2133 153:624 154:7775 155:1935 156:3334 157:1986 158:1394 159:2540 160:3672 161:1958 162:3920 163:2305 164:1921 165:2526 166:1557 167:2097 168:4082 169:776 170:5488 171:997 172:4294 173:3445 174:907 175:1344 176:3883 177:5365 178:4114 179:2505 180:2637 181:4334 182:3613 183:2368 184:2117 185:21905 186:5662 187:4828 188:4345 189:4540 190:9725 191:1650 192:11408 193:9538 194:7966 195:5766 196:3680 197:3791 198:6157 199:8639 200:8567 201:6514 202:10591 203:10865 204:4592 205:3639 206:4552 207:3526 208:4326 209:5183 210:4789 211:2678 212:4674 213:3896 214:1039 215:51 216:6850 217:3471 218:1459 219:421 220:2149 221:1211 222:741 223:2866 End of report