IPv4 R&E Routing Table Report 18:40 GMT Mon 25 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: 1021795 Prefixes after maximum aggregation (per Origin AS): 387762 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 491365 Number of IPv4 prefixes with a valid ROA: 581711 Number of IPv4 prefixes with an invalid ROA: 2359 Number of IPv4 prefixes with no ROA: 437725 Total ASes present in the Internet Routing Table: 77391 Prefixes per ASN: 13.20 Origin-only ASes present in the Internet Routing Table: 66378 Origin ASes announcing only one prefix: 26622 Transit ASes present in the Internet Routing Table: 11013 Transit-only ASes present in the Internet Routing Table: 555 Paths with bogon ASNs present in the IPv4 Routing Table: 126 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: 1143 Number of instances of unregistered ASNs: 1182 Number of 32-bit ASNs allocated by the RIRs: 47270 Number of 32-bit ASNs visible in the Routing Table: 38948 Prefixes from 32-bit ASNs in the Routing Table: 216077 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: 440 Number of addresses announced to Internet: 3108208640 Equivalent to 185 /8s, 67 /16s and 128 /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: 336428 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269491 Total APNIC prefixes after maximum aggregation: 79045 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 259896 Unique aggregates announced from the APNIC address blocks: 105225 APNIC Region origin ASes present in the Internet Routing Table: 14797 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 4494 APNIC Region transit ASes present in the Internet Routing Table: 1980 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: 10342 Number of APNIC addresses announced to Internet: 750294272 Equivalent to 44 /8s, 184 /16s and 149 /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: 296479 Total ARIN prefixes after maximum aggregation: 133235 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298420 Unique aggregates announced from the ARIN address blocks: 141952 ARIN Region origin ASes present in the Internet Routing Table: 19299 ARIN Prefixes per ASN: 15.46 ARIN Region origin ASes announcing only one prefix: 7076 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: 5313 Number of ARIN addresses announced to Internet: 1349262848 Equivalent to 80 /8s, 108 /16s and 30 /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: 284366 Total RIPE prefixes after maximum aggregation: 137545 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283416 Unique aggregates announced from the RIPE address blocks: 179207 RIPE Region origin ASes present in the Internet Routing Table: 29110 RIPE Prefixes per ASN: 9.74 RIPE Region origin ASes announcing only one prefix: 12082 RIPE Region transit ASes present in the Internet Routing Table: 3991 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: 12711 Number of RIPE addresses announced to Internet: 732918784 Equivalent to 43 /8s, 175 /16s and 116 /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: 132541 Total LACNIC prefixes after maximum aggregation: 30210 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 128593 Unique aggregates announced from the LACNIC address blocks: 49327 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: 2309 LACNIC Region transit ASes present in the Internet Routing Table: 2524 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: 9255 Number of LACNIC addresses announced to Internet: 170775552 Equivalent to 10 /8s, 45 /16s and 212 /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: 37775 Total AfriNIC prefixes after maximum aggregation: 6982 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 51030 Unique aggregates announced from the AfriNIC address blocks: 15276 AfriNIC Region origin ASes present in the Internet Routing Table: 1962 AfriNIC Prefixes per ASN: 26.01 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 385 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: 1327 Number of AfriNIC addresses announced to Internet: 104714752 Equivalent to 6 /8s, 61 /16s and 210 /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 4409 348 27 FPT-AS-AP FPT Telecom Company, VN 7552 3941 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3681 1043 71 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3316 1869 101 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., 4755 2182 428 185 TATACOMM-AS TATA Communications formerly 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 14048 40857 5353 AMAZON-02, US 174 5070 8760 851 COGENT-174, US 11492 4742 314 779 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3647 1320 82 SHAW, CA 22773 3337 3026 159 ASN-CXA-ALL-CCI-22773-RDC, US 749 3221 54766 2472 DNIC-AS-00749, US 396982 3218 3858 436 GOOGLE-CLOUD-PLATFORM, US 16625 3048 1292 2209 AKAMAI-AS, US 4155 2952 230 1745 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 7535 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4030 3395 128 AKAMAI-ASN1, NL 9009 3877 367 2194 M247, RO 12389 3119 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2405 361 586 TELLCOM-AS, TR 212238 2340 166 1708 CDNEXT, GB 203020 1824 221 841 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 12328 3270 571 UNINET, MX 10620 3483 472 1054 Telmex Colombia S.A., CO 13999 2530 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 1217 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1180 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 1241 389 20 LINKdotNET-AS, EG 37069 1041 1096 13 MOBINIL, EG 36935 972 520 42 Vodafone-, EG 36914 567 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 14048 40857 5353 AMAZON-02, US 9808 12925 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12328 3270 571 UNINET, MX 12479 7535 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5070 8760 851 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 4409 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 12328 11757 UNINET, MX 12479 7535 7385 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4409 4382 FPT-AS-AP FPT Telecom Company, VN 174 5070 4219 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4742 3963 CABLEONE, US 7552 3941 3914 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 23.147.240.0/24 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 /14:1214 /15:2173 /16:13874 /17:8352 /18:13779 /19:24874 /20:45054 /21:53070 /22:114299 /23:108735 /24:635329 /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 6505 12328 UNINET, MX 12479 6496 7535 UNI2-AS, ES 11492 3555 4742 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3445 3647 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2497 3337 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2391 14048 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) ---------------------------------------------- 1:2441 2:1655 3:918 4:10 5:5182 6:156 7:6 8:1567 9:4 11:172 12:1257 13:483 14:2613 15:387 16:285 17:382 18:908 20:583 21:4 22:188 23:7920 24:2805 25:2 27:2865 29:19 31:3512 32:37 33:1 34:88 35:264 36:4296 37:4623 38:10438 39:997 40:266 41:4467 42:1962 43:2744 44:389 45:19770 46:5195 47:341 49:2010 50:2068 51:592 52:1558 54:336 55:1108 56:11 57:295 58:2257 59:1336 60:1186 61:3093 62:3070 63:1799 64:5679 65:2166 66:4909 67:3152 68:1096 69:4054 70:1047 71:640 72:2983 74:2857 75:1527 76:606 77:2902 78:1925 79:1740 80:2263 81:2117 82:3294 83:1487 84:1942 85:3502 86:1223 87:2398 88:1370 89:4499 90:777 91:8515 92:2832 93:2984 94:4250 95:4482 96:1501 97:310 98:954 99:713 100:71 101:1467 102:4535 103:32752 104:5306 105:1062 106:876 107:2654 108:1254 109:4243 110:2248 111:3590 112:2486 113:1898 114:1989 115:2302 116:2138 117:2706 118:3043 119:1948 120:2209 121:1348 122:2842 123:2481 124:1747 125:2911 126:91 128:1590 129:1009 130:1326 131:2169 132:783 133:460 134:1634 135:404 136:1492 137:1134 138:3024 139:1600 140:1626 141:1546 142:1942 143:2068 144:1212 145:605 146:2179 147:2113 148:2730 149:2995 150:1268 151:2418 152:2133 153:624 154:7679 155:1957 156:3291 157:1984 158:1386 159:2541 160:3665 161:1996 162:3921 163:2312 164:1921 165:2529 166:1562 167:2101 168:4074 169:775 170:5504 171:997 172:4290 173:3447 174:907 175:1347 176:3887 177:5346 178:4128 179:2503 180:2637 181:4338 182:3622 183:2362 184:2114 185:21898 186:5673 187:4842 188:4338 189:4527 190:9725 191:1641 192:11408 193:9541 194:7961 195:5770 196:3686 197:3780 198:6159 199:8671 200:8570 201:6521 202:10607 203:10873 204:4586 205:3648 206:4531 207:3531 208:4316 209:5192 210:4789 211:2678 212:4672 213:3895 214:1042 215:51 216:6865 217:3469 218:1459 219:421 220:2147 221:1211 222:748 223:2866 End of report