IPv4 R&E Routing Table Report 18:40 GMT Wed 24 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: 1039722 Prefixes after maximum aggregation (per Origin AS): 390388 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 495107 Number of IPv4 prefixes with a valid ROA: 595940 Number of IPv4 prefixes with an invalid ROA: 2775 Number of IPv4 prefixes with no ROA: 441007 Total ASes present in the Internet Routing Table: 77507 Prefixes per ASN: 13.41 Origin-only ASes present in the Internet Routing Table: 66496 Origin ASes announcing only one prefix: 26491 Transit ASes present in the Internet Routing Table: 11011 Transit-only ASes present in the Internet Routing Table: 549 Paths with bogon ASNs present in the IPv4 Routing Table: 150 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: 1133 Number of instances of unregistered ASNs: 1172 Number of 32-bit ASNs allocated by the RIRs: 47538 Number of 32-bit ASNs visible in the Routing Table: 39106 Prefixes from 32-bit ASNs in the Routing Table: 222741 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: 453 Number of addresses announced to Internet: 3113285120 Equivalent to 185 /8s, 144 /16s and 246 /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: 343815 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 274622 Total APNIC prefixes after maximum aggregation: 79566 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 264664 Unique aggregates announced from the APNIC address blocks: 105613 APNIC Region origin ASes present in the Internet Routing Table: 14842 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 4478 APNIC Region transit ASes present in the Internet Routing Table: 1974 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: 10399 Number of APNIC addresses announced to Internet: 751756800 Equivalent to 44 /8s, 206 /16s and 230 /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: 299759 Total ARIN prefixes after maximum aggregation: 134076 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 301312 Unique aggregates announced from the ARIN address blocks: 142999 ARIN Region origin ASes present in the Internet Routing Table: 19314 ARIN Prefixes per ASN: 15.60 ARIN Region origin ASes announcing only one prefix: 7074 ARIN Region transit ASes present in the Internet Routing Table: 1948 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: 5338 Number of ARIN addresses announced to Internet: 1352882432 Equivalent to 80 /8s, 163 /16s and 89 /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: 287589 Total RIPE prefixes after maximum aggregation: 138645 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 286485 Unique aggregates announced from the RIPE address blocks: 180332 RIPE Region origin ASes present in the Internet Routing Table: 29143 RIPE Prefixes per ASN: 9.83 RIPE Region origin ASes announcing only one prefix: 12083 RIPE Region transit ASes present in the Internet Routing Table: 3999 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: 12761 Number of RIPE addresses announced to Internet: 733614080 Equivalent to 43 /8s, 186 /16s and 16 /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: 138518 Total LACNIC prefixes after maximum aggregation: 30316 LACNIC Deaggregation factor: 4.57 Prefixes being announced from the LACNIC address blocks: 134515 Unique aggregates announced from the LACNIC address blocks: 49379 LACNIC Region origin ASes present in the Internet Routing Table: 11305 LACNIC Prefixes per ASN: 11.90 LACNIC Region origin ASes announcing only one prefix: 2197 LACNIC Region transit ASes present in the Internet Routing Table: 2513 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: 9265 Number of LACNIC addresses announced to Internet: 170794496 Equivalent to 10 /8s, 46 /16s and 30 /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: 38101 Total AfriNIC prefixes after maximum aggregation: 7045 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 52293 Unique aggregates announced from the AfriNIC address blocks: 16386 AfriNIC Region origin ASes present in the Internet Routing Table: 1976 AfriNIC Prefixes per ASN: 26.46 AfriNIC Region origin ASes announcing only one prefix: 659 AfriNIC Region transit ASes present in the Internet Routing Table: 390 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1343 Number of AfriNIC addresses announced to Internet: 103997184 Equivalent to 6 /8s, 50 /16s and 223 /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 13621 8759 113 CHINAMOBILE-CN China Mobile Communication 7545 6156 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4473 536 313 BBIL-AP BHARTI Airtel Ltd., IN 18403 4459 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 3941 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3738 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3320 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3112 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2927 864 501 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2212 434 201 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 14416 40910 5355 AMAZON-02, US 174 5140 8774 829 COGENT-174, US 11492 4746 320 804 CABLEONE, US 22773 4626 3103 319 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3675 1320 82 SHAW, CA 396982 3266 4823 458 GOOGLE-CLOUD-PLATFORM, US 749 3221 54766 2472 DNIC-AS-00749, US 16625 3072 1304 2218 AKAMAI-AS, US 4155 3054 237 1706 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 7453 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4038 3395 127 AKAMAI-ASN1, NL 9009 3985 373 2223 M247, RO 12389 3127 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2630 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2441 174 1765 CDNEXT, GB 34984 2415 363 573 TELLCOM-AS, TR 203020 1972 229 914 HOSTROYALE, IN 8452 1647 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 12397 3276 574 UNINET, MX 10620 3493 473 1049 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 1578 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1353 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1228 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1187 371 23 Telefonica del Peru S.A.A., PE 22884 1063 71 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1004 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 1846 652 28 RAYA-AS, EG 36992 1513 1498 384 ETISALAT-MISR, EG 20011 1325 205 344 NTT-DATA-Inc, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1247 389 20 LINKdotNET-AS, EG 29571 1185 102 53 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1077 522 45 Vodafone-, EG 36914 578 82 3 KENET-AS, KE 3741 566 725 321 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 14416 40910 5355 AMAZON-02, US 9808 13621 8759 113 CHINAMOBILE-CN China Mobile Communication 8151 12397 3276 574 UNINET, MX 12479 7453 1711 149 UNI2-AS, ES 7545 6156 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5140 8774 829 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4746 320 804 CABLEONE, US 22773 4626 3103 319 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4473 536 313 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 13621 13508 CHINAMOBILE-CN China Mobile Communications Grou 8151 12397 11823 UNINET, MX 12479 7453 7304 UNI2-AS, ES 7545 6156 5557 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4459 4433 FPT-AS-AP FPT Telecom Company, VN 174 5140 4311 COGENT-174, US 22773 4626 4307 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4473 4160 BBIL-AP BHARTI Airtel Ltd., IN 11492 4746 3942 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 /11:93 /12:302 /13:584 /14:1216 /15:2173 /16:13874 /17:8358 /18:13753 /19:25177 /20:45455 /21:53411 /22:115142 /23:111276 /24:648837 /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 6584 12397 UNINET, MX 12479 6424 7453 UNI2-AS, ES 11492 3560 4746 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3465 3675 SHAW, CA 22773 3026 4626 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2833 3875 VIASAT-SP-BACKBONE, US 16509 2459 14416 AMAZON-02, US 30036 2293 2634 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2211 3493 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) ---------------------------------------------- 1:2453 2:1682 3:940 4:10 5:5232 6:165 7:6 8:1561 9:6 11:172 12:1247 13:559 14:2634 15:400 16:304 17:389 18:909 20:592 21:4 22:188 23:8086 24:2809 25:2 27:2859 29:19 31:3536 32:38 33:1 34:88 35:276 36:4438 37:4669 38:10706 39:1093 40:294 41:4585 42:1979 43:2865 44:389 45:20590 46:5269 47:375 49:2186 50:2057 51:594 52:1639 54:363 55:1095 56:11 57:296 58:2288 59:1364 60:1193 61:3105 62:3098 63:1790 64:5696 65:2171 66:5307 67:3248 68:1114 69:4094 70:1050 71:645 72:3022 74:2871 75:1515 76:607 77:2895 78:1935 79:1780 80:2273 81:2120 82:3358 83:1518 84:2000 85:3537 86:1195 87:2415 88:1380 89:4691 90:813 91:8535 92:2864 93:3002 94:4332 95:4611 96:1525 97:312 98:953 99:763 100:71 101:1482 102:4749 103:33337 104:5382 105:1084 106:880 107:2787 108:1232 109:4266 110:2245 111:3772 112:2659 113:1887 114:2005 115:2424 116:2149 117:2922 118:3079 119:1996 120:2294 121:1382 122:2871 123:2497 124:1748 125:2906 126:91 128:1614 129:1008 130:1318 131:2325 132:803 133:460 134:1621 135:410 136:1500 137:1152 138:3188 139:1612 140:1650 141:1572 142:1935 143:2145 144:1293 145:642 146:2194 147:2143 148:2748 149:2986 150:1283 151:2555 152:2425 153:641 154:7907 155:2068 156:3527 157:2105 158:1423 159:2575 160:3638 161:2015 162:3962 163:2333 164:1988 165:2615 166:1570 167:2125 168:4135 169:794 170:5815 171:1011 172:4287 173:3437 174:906 175:1376 176:3965 177:5956 178:4427 179:2749 180:2703 181:4431 182:3727 183:2640 184:2116 185:21976 186:5949 187:5161 188:4415 189:4704 190:10118 191:1755 192:11466 193:9545 194:7967 195:5762 196:3693 197:4048 198:6158 199:8738 200:8656 201:6642 202:10692 203:10869 204:4591 205:3648 206:4583 207:3548 208:4325 209:5356 210:4847 211:2693 212:4765 213:3925 214:1031 215:52 216:6983 217:3493 218:1583 219:423 220:2198 221:1267 222:752 223:3069 End of report