IPv4 R&E Routing Table Report 18:40 GMT Mon 15 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: 1036853 Prefixes after maximum aggregation (per Origin AS): 389809 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 493876 Number of IPv4 prefixes with a valid ROA: 594295 Number of IPv4 prefixes with an invalid ROA: 2814 Number of IPv4 prefixes with no ROA: 439744 Total ASes present in the Internet Routing Table: 77489 Prefixes per ASN: 13.38 Origin-only ASes present in the Internet Routing Table: 66419 Origin ASes announcing only one prefix: 26502 Transit ASes present in the Internet Routing Table: 11070 Transit-only ASes present in the Internet Routing Table: 549 Paths with bogon ASNs present in the IPv4 Routing Table: 148 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: 1177 Number of instances of unregistered ASNs: 1216 Number of 32-bit ASNs allocated by the RIRs: 47419 Number of 32-bit ASNs visible in the Routing Table: 39069 Prefixes from 32-bit ASNs in the Routing Table: 222147 Number of bogon 32-bit ASNs visible in the Routing Table: 109 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 459 Number of addresses announced to Internet: 3109252864 Equivalent to 185 /8s, 83 /16s and 111 /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: 342555 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 273709 Total APNIC prefixes after maximum aggregation: 79483 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 263648 Unique aggregates announced from the APNIC address blocks: 105516 APNIC Region origin ASes present in the Internet Routing Table: 14830 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 4483 APNIC Region transit ASes present in the Internet Routing Table: 1980 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: 10385 Number of APNIC addresses announced to Internet: 750802432 Equivalent to 44 /8s, 192 /16s and 86 /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: 298454 Total ARIN prefixes after maximum aggregation: 133961 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 300110 Unique aggregates announced from the ARIN address blocks: 142476 ARIN Region origin ASes present in the Internet Routing Table: 19309 ARIN Prefixes per ASN: 15.54 ARIN Region origin ASes announcing only one prefix: 7066 ARIN Region transit ASes present in the Internet Routing Table: 1969 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: 5335 Number of ARIN addresses announced to Internet: 1349908480 Equivalent to 80 /8s, 117 /16s and 248 /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: 286718 Total RIPE prefixes after maximum aggregation: 138297 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 285637 Unique aggregates announced from the RIPE address blocks: 179955 RIPE Region origin ASes present in the Internet Routing Table: 29139 RIPE Prefixes per ASN: 9.80 RIPE Region origin ASes announcing only one prefix: 12097 RIPE Region transit ASes present in the Internet Routing Table: 4013 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12750 Number of RIPE addresses announced to Internet: 732813824 Equivalent to 43 /8s, 173 /16s and 218 /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: 138582 Total LACNIC prefixes after maximum aggregation: 30270 LACNIC Deaggregation factor: 4.58 Prefixes being announced from the LACNIC address blocks: 134524 Unique aggregates announced from the LACNIC address blocks: 49413 LACNIC Region origin ASes present in the Internet Routing Table: 11301 LACNIC Prefixes per ASN: 11.90 LACNIC Region origin ASes announcing only one prefix: 2193 LACNIC Region transit ASes present in the Internet Routing Table: 2528 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: 9257 Number of LACNIC addresses announced to Internet: 170833152 Equivalent to 10 /8s, 46 /16s and 181 /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: 38213 Total AfriNIC prefixes after maximum aggregation: 7032 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 52475 Unique aggregates announced from the AfriNIC address blocks: 16109 AfriNIC Region origin ASes present in the Internet Routing Table: 1978 AfriNIC Prefixes per ASN: 26.53 AfriNIC Region origin ASes announcing only one prefix: 663 AfriNIC Region transit ASes present in the Internet Routing Table: 393 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: 1342 Number of AfriNIC addresses announced to Internet: 104629760 Equivalent to 6 /8s, 60 /16s and 134 /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 13284 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6129 833 615 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4459 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 3937 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3709 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3318 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3010 811 178 CMNET-JIANGSU-AP China Mobile communicati 24560 2915 862 511 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2207 429 197 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 14474 40872 5361 AMAZON-02, US 174 5115 8765 827 COGENT-174, US 11492 4734 314 823 CABLEONE, US 22773 3967 3062 313 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3665 1320 81 SHAW, CA 396982 3229 3858 445 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 16625 3065 1300 2207 AKAMAI-AS, US 4155 3005 234 1740 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 7481 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4042 3395 128 AKAMAI-ASN1, NL 9009 3926 367 2189 M247, RO 12389 3125 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2634 585 29 EMIRATES-INTERNET Emirates Internet, AE 212238 2417 172 1750 CDNEXT, GB 34984 2415 363 574 TELLCOM-AS, TR 203020 1907 227 880 HOSTROYALE, IN 8452 1625 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 12417 3279 572 UNINET, MX 10620 3494 473 1048 Telmex Colombia S.A., CO 13999 2544 511 348 Mega Cable, S.A. de C.V., MX 11830 1989 369 64 Instituto Costarricense de Electricidad y 28573 1580 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1225 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1182 371 22 Telefonica del Peru S.A.A., PE 22884 1064 71 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1009 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 1829 652 28 RAYA-AS, EG 36992 1506 1498 380 ETISALAT-MISR, EG 20011 1320 205 346 NTT-DATA-Inc, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1247 389 20 LINKdotNET-AS, EG 29571 1241 102 51 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1066 523 46 Vodafone-, EG 36914 572 82 3 KENET-AS, KE 3741 565 725 321 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 14474 40872 5361 AMAZON-02, US 9808 13284 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12417 3279 572 UNINET, MX 12479 7481 1711 149 UNI2-AS, ES 7545 6129 833 615 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5115 8765 827 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4734 314 823 CABLEONE, US 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4459 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 13284 13173 CHINAMOBILE-CN China Mobile Communications Grou 8151 12417 11845 UNINET, MX 12479 7481 7332 UNI2-AS, ES 7545 6129 5514 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4459 4433 FPT-AS-AP FPT Telecom Company, VN 174 5115 4288 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 20940 4042 3914 AKAMAI-ASN1, NL 11492 4734 3911 CABLEONE, US 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 /11:92 /12:299 /13:580 /14:1215 /15:2173 /16:13867 /17:8346 /18:13763 /19:25146 /20:45446 /21:53409 /22:115150 /23:111164 /24:646132 /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 6586 12417 UNINET, MX 12479 6442 7481 UNI2-AS, ES 11492 3550 4734 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3464 3665 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2512 3967 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2459 14474 AMAZON-02, US 30036 2309 2651 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3494 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 2:1669 3:930 4:10 5:5218 6:157 7:6 8:1569 9:4 11:172 12:1250 13:569 14:2623 15:399 16:303 17:390 18:910 20:590 21:4 22:188 23:7958 24:2801 25:2 27:2858 29:19 30:1 31:3541 32:39 33:1 34:88 35:275 36:4364 37:4644 38:10638 39:1036 40:285 41:4602 42:1972 43:2855 44:386 45:20626 46:5224 47:373 49:2179 50:2066 51:593 52:1612 54:372 55:1088 56:11 57:295 58:2292 59:1356 60:1188 61:3100 62:3107 63:1790 64:5705 65:2155 66:4974 67:3151 68:1115 69:4078 70:1047 71:643 72:3008 74:2877 75:1524 76:605 77:2907 78:1934 79:1763 80:2279 81:2120 82:3350 83:1513 84:1996 85:3519 86:1197 87:2405 88:1375 89:4693 90:806 91:8544 92:2869 93:3004 94:4313 95:4607 96:1503 97:312 98:947 99:759 100:71 101:1483 102:4756 103:33318 104:5311 105:1085 106:877 107:2659 108:1240 109:4257 110:2249 111:3691 112:2544 113:1874 114:2004 115:2390 116:2142 117:2810 118:3083 119:1987 120:2248 121:1382 122:2837 123:2551 124:1767 125:2904 126:91 128:1606 129:1005 130:1315 131:2324 132:802 133:458 134:1616 135:412 136:1496 137:1144 138:3192 139:1607 140:1635 141:1554 142:1943 143:2154 144:1269 145:627 146:2192 147:2138 148:2746 149:2978 150:1281 151:2471 152:2375 153:629 154:7941 155:2073 156:3545 157:2099 158:1433 159:2567 160:3694 161:1992 162:3951 163:2339 164:1987 165:2604 166:1568 167:2119 168:4142 169:794 170:5790 171:1011 172:4272 173:3435 174:906 175:1375 176:3935 177:5944 178:4370 179:2713 180:2691 181:4400 182:3709 183:2548 184:2107 185:21955 186:5990 187:5156 188:4406 189:4699 190:10074 191:1747 192:11467 193:9540 194:7967 195:5748 196:3706 197:4030 198:6153 199:8707 200:8658 201:6637 202:10662 203:10887 204:4578 205:3646 206:4579 207:3544 208:4329 209:5278 210:4835 211:2694 212:4744 213:3923 214:1039 215:52 216:6935 217:3490 218:1481 219:423 220:2159 221:1251 222:751 223:2938 End of report