IPv4 R&E Routing Table Report 18:40 GMT Fri 19 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: 1038398 Prefixes after maximum aggregation (per Origin AS): 390284 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 494396 Number of IPv4 prefixes with a valid ROA: 595908 Number of IPv4 prefixes with an invalid ROA: 2748 Number of IPv4 prefixes with no ROA: 439742 Total ASes present in the Internet Routing Table: 77491 Prefixes per ASN: 13.40 Origin-only ASes present in the Internet Routing Table: 66438 Origin ASes announcing only one prefix: 26476 Transit ASes present in the Internet Routing Table: 11053 Transit-only ASes present in the Internet Routing Table: 553 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: 1141 Number of instances of unregistered ASNs: 1180 Number of 32-bit ASNs allocated by the RIRs: 47485 Number of 32-bit ASNs visible in the Routing Table: 39074 Prefixes from 32-bit ASNs in the Routing Table: 222658 Number of bogon 32-bit ASNs visible in the Routing Table: 113 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 448 Number of addresses announced to Internet: 3113233408 Equivalent to 185 /8s, 144 /16s and 44 /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: 343277 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 274313 Total APNIC prefixes after maximum aggregation: 79432 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 264348 Unique aggregates announced from the APNIC address blocks: 105489 APNIC Region origin ASes present in the Internet Routing Table: 14820 APNIC Prefixes per ASN: 17.84 APNIC Region origin ASes announcing only one prefix: 4469 APNIC Region transit ASes present in the Internet Routing Table: 1977 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10379 Number of APNIC addresses announced to Internet: 751064832 Equivalent to 44 /8s, 196 /16s and 87 /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: 298943 Total ARIN prefixes after maximum aggregation: 134248 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 300488 Unique aggregates announced from the ARIN address blocks: 142607 ARIN Region origin ASes present in the Internet Routing Table: 19320 ARIN Prefixes per ASN: 15.55 ARIN Region origin ASes announcing only one prefix: 7075 ARIN Region transit ASes present in the Internet Routing Table: 1960 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: 1353585152 Equivalent to 80 /8s, 174 /16s and 18 /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: 287295 Total RIPE prefixes after maximum aggregation: 138538 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 286235 Unique aggregates announced from the RIPE address blocks: 180183 RIPE Region origin ASes present in the Internet Routing Table: 29132 RIPE Prefixes per ASN: 9.83 RIPE Region origin ASes announcing only one prefix: 12077 RIPE Region transit ASes present in the Internet Routing Table: 4009 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: 12747 Number of RIPE addresses announced to Internet: 733116928 Equivalent to 43 /8s, 178 /16s and 122 /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: 138595 Total LACNIC prefixes after maximum aggregation: 30289 LACNIC Deaggregation factor: 4.58 Prefixes being announced from the LACNIC address blocks: 134597 Unique aggregates announced from the LACNIC address blocks: 49384 LACNIC Region origin ASes present in the Internet Routing Table: 11310 LACNIC Prefixes per ASN: 11.90 LACNIC Region origin ASes announcing only one prefix: 2194 LACNIC Region transit ASes present in the Internet Routing Table: 2530 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: 9270 Number of LACNIC addresses announced to Internet: 170686464 Equivalent to 10 /8s, 44 /16s and 120 /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: 38111 Total AfriNIC prefixes after maximum aggregation: 7033 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 52282 Unique aggregates announced from the AfriNIC address blocks: 16337 AfriNIC Region origin ASes present in the Internet Routing Table: 1979 AfriNIC Prefixes per ASN: 26.42 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 391 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: 104540416 Equivalent to 6 /8s, 59 /16s and 41 /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 13509 8759 113 CHINAMOBILE-CN China Mobile Communication 7545 6156 837 597 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4478 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4472 536 315 BBIL-AP BHARTI Airtel Ltd., IN 7552 3942 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3738 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3318 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3074 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2923 863 505 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2205 429 196 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 14479 40912 5354 AMAZON-02, US 174 5141 8775 829 COGENT-174, US 11492 4737 320 807 CABLEONE, US 22773 3951 3061 311 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3675 1320 82 SHAW, CA 396982 3264 4823 458 GOOGLE-CLOUD-PLATFORM, US 749 3221 54766 2472 DNIC-AS-00749, US 16625 3077 1306 2217 AKAMAI-AS, US 4155 3031 235 1729 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 7463 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4038 3395 128 AKAMAI-ASN1, NL 9009 3983 372 2223 M247, RO 12389 3126 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2633 585 29 EMIRATES-INTERNET Emirates Internet, AE 212238 2420 172 1753 CDNEXT, GB 34984 2415 363 574 TELLCOM-AS, TR 203020 1975 231 917 HOSTROYALE, IN 8452 1629 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 12360 3249 591 UNINET, MX 10620 3494 473 1048 Telmex Colombia S.A., CO 13999 2542 511 346 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 1353 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1226 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1184 371 22 Telefonica del Peru S.A.A., PE 22884 1065 71 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1010 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 1821 652 28 RAYA-AS, EG 36992 1511 1498 383 ETISALAT-MISR, EG 20011 1325 205 344 NTT-DATA-Inc, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1241 389 20 LINKdotNET-AS, EG 29571 1185 102 51 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1029 522 45 Vodafone-, EG 3741 566 725 321 NTT-DATA-Inc, ZA 36914 566 82 3 KENET-AS, KE 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 14479 40912 5354 AMAZON-02, US 9808 13509 8759 113 CHINAMOBILE-CN China Mobile Communication 8151 12360 3249 591 UNINET, MX 12479 7463 1711 149 UNI2-AS, ES 7545 6156 837 597 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5141 8775 829 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4737 320 807 CABLEONE, US 18403 4478 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4472 536 315 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 13509 13396 CHINAMOBILE-CN China Mobile Communications Grou 8151 12360 11769 UNINET, MX 12479 7463 7314 UNI2-AS, ES 7545 6156 5559 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4478 4452 FPT-AS-AP FPT Telecom Company, VN 174 5141 4312 COGENT-174, US 9498 4472 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4737 3930 CABLEONE, US 7552 3942 3915 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 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 /12:299 /13:581 /14:1216 /15:2176 /16:13872 /17:8361 /18:13753 /19:25169 /20:45456 /21:53429 /22:115101 /23:111336 /24:647485 /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 6557 12360 UNINET, MX 12479 6431 7463 UNI2-AS, ES 11492 3552 4737 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3465 3675 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2513 3951 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2461 14479 AMAZON-02, US 30036 2295 2636 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) ---------------------------------------------- 1:2447 2:1670 3:939 4:10 5:5213 6:165 7:6 8:1566 9:6 11:172 12:1248 13:570 14:2620 15:399 16:303 17:389 18:907 20:591 21:4 22:188 23:7972 24:2810 25:2 27:2858 29:19 31:3544 32:39 33:1 34:88 35:271 36:4384 37:4683 38:10651 39:1082 40:287 41:4605 42:1982 43:2872 44:390 45:20580 46:5257 47:374 49:2181 50:2058 51:594 52:1611 54:374 55:1099 56:11 57:297 58:2279 59:1363 60:1193 61:3100 62:3095 63:1791 64:5704 65:2143 66:4999 67:3154 68:1112 69:4079 70:1049 71:643 72:3015 74:2877 75:1521 76:607 77:2905 78:1938 79:1781 80:2270 81:2119 82:3364 83:1510 84:1990 85:3521 86:1198 87:2415 88:1377 89:4693 90:810 91:8543 92:2872 93:3011 94:4317 95:4612 96:1520 97:312 98:953 99:762 100:71 101:1481 102:4758 103:33326 104:5336 105:1084 106:879 107:2663 108:1242 109:4269 110:2250 111:3730 112:2623 113:1892 114:2007 115:2419 116:2145 117:2868 118:3086 119:1988 120:2281 121:1386 122:2843 123:2559 124:1757 125:2906 126:91 128:1611 129:1005 130:1316 131:2322 132:804 133:461 134:1610 135:409 136:1498 137:1155 138:3200 139:1616 140:1652 141:1556 142:1943 143:2179 144:1283 145:641 146:2194 147:2138 148:2750 149:2987 150:1285 151:2554 152:2377 153:641 154:7879 155:2067 156:3512 157:2103 158:1430 159:2570 160:3636 161:2006 162:3959 163:2339 164:1984 165:2608 166:1567 167:2122 168:4152 169:795 170:5800 171:1012 172:4276 173:3437 174:906 175:1373 176:3956 177:5963 178:4415 179:2746 180:2689 181:4434 182:3730 183:2612 184:2119 185:21974 186:6006 187:5196 188:4411 189:4715 190:10104 191:1773 192:11465 193:9543 194:7967 195:5755 196:3701 197:4032 198:6159 199:8734 200:8647 201:6630 202:10672 203:10881 204:4574 205:3623 206:4582 207:3547 208:4328 209:5321 210:4855 211:2702 212:4759 213:3921 214:1036 215:52 216:6938 217:3496 218:1524 219:423 220:2157 221:1265 222:752 223:3035 End of report