IPv4 R&E Routing Table Report 18:40 GMT Wed 13 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: 1021039 Prefixes after maximum aggregation (per Origin AS): 386365 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 488909 Number of IPv4 prefixes with a valid ROA: 578336 Number of IPv4 prefixes with an invalid ROA: 2283 Number of IPv4 prefixes with no ROA: 440420 Total ASes present in the Internet Routing Table: 77328 Prefixes per ASN: 13.20 Origin-only ASes present in the Internet Routing Table: 66296 Origin ASes announcing only one prefix: 26563 Transit ASes present in the Internet Routing Table: 11032 Transit-only ASes present in the Internet Routing Table: 557 Paths with bogon ASNs present in the IPv4 Routing Table: 129 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: 1200 Number of instances of unregistered ASNs: 1239 Number of 32-bit ASNs allocated by the RIRs: 47119 Number of 32-bit ASNs visible in the Routing Table: 38869 Prefixes from 32-bit ASNs in the Routing Table: 215134 Number of bogon 32-bit ASNs visible in the Routing Table: 111 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 449 Number of addresses announced to Internet: 3108983808 Equivalent to 185 /8s, 79 /16s and 84 /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: 336311 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 268947 Total APNIC prefixes after maximum aggregation: 78586 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 259650 Unique aggregates announced from the APNIC address blocks: 105066 APNIC Region origin ASes present in the Internet Routing Table: 14783 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 4486 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: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10329 Number of APNIC addresses announced to Internet: 749955072 Equivalent to 44 /8s, 179 /16s and 104 /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: 296566 Total ARIN prefixes after maximum aggregation: 132818 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298255 Unique aggregates announced from the ARIN address blocks: 141769 ARIN Region origin ASes present in the Internet Routing Table: 19265 ARIN Prefixes per ASN: 15.48 ARIN Region origin ASes announcing only one prefix: 7047 ARIN Region transit ASes present in the Internet Routing Table: 1966 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: 5289 Number of ARIN addresses announced to Internet: 1349637376 Equivalent to 80 /8s, 113 /16s and 213 /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: 284077 Total RIPE prefixes after maximum aggregation: 137255 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 282952 Unique aggregates announced from the RIPE address blocks: 178653 RIPE Region origin ASes present in the Internet Routing Table: 29079 RIPE Prefixes per ASN: 9.73 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 3993 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: 12671 Number of RIPE addresses announced to Internet: 732711424 Equivalent to 43 /8s, 172 /16s and 74 /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: 132471 Total LACNIC prefixes after maximum aggregation: 29922 LACNIC Deaggregation factor: 4.43 Prefixes being announced from the LACNIC address blocks: 128620 Unique aggregates announced from the LACNIC address blocks: 49000 LACNIC Region origin ASes present in the Internet Routing Table: 11290 LACNIC Prefixes per ASN: 11.39 LACNIC Region origin ASes announcing only one prefix: 2318 LACNIC Region transit ASes present in the Internet Routing Table: 2532 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9256 Number of LACNIC addresses announced to Internet: 171132160 Equivalent to 10 /8s, 51 /16s and 69 /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: 37778 Total AfriNIC prefixes after maximum aggregation: 7012 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 51113 Unique aggregates announced from the AfriNIC address blocks: 14035 AfriNIC Region origin ASes present in the Internet Routing Table: 1961 AfriNIC Prefixes per ASN: 26.06 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 384 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: 1324 Number of AfriNIC addresses announced to Internet: 105300736 Equivalent to 6 /8s, 70 /16s and 195 /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 12859 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6133 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4588 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 7552 3942 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3713 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3310 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 2965 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2923 865 502 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2180 428 184 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 13884 41103 5289 AMAZON-02, US 174 5340 8770 864 COGENT-174, US 11492 4767 316 720 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3643 1320 82 SHAW, CA 22773 3345 3029 164 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3206 3858 436 GOOGLE-CLOUD-PLATFORM, US 16625 3056 1288 2212 AKAMAI-AS, US 4155 2897 226 1743 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 7565 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4036 3395 128 AKAMAI-ASN1, NL 9009 3866 366 2182 M247, RO 12389 3115 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2403 361 586 TELLCOM-AS, TR 212238 2329 165 1693 CDNEXT, GB 13188 1605 100 37 TRIOLAN, UA 8452 1591 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 12355 3248 586 UNINET, MX 10620 3475 472 1052 Telmex Colombia S.A., CO 13999 2528 511 354 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1373 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1206 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1184 371 22 Telefonica del Peru S.A.A., PE 22884 1060 70 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1018 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 1425 1501 377 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 1086 1112 11 MOBINIL, EG 36935 991 523 47 Vodafone-, EG 36914 579 82 3 KENET-AS, KE 3741 564 725 321 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 13884 41103 5289 AMAZON-02, US 9808 12859 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12355 3248 586 UNINET, MX 12479 7565 1711 149 UNI2-AS, ES 7545 6133 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5340 8770 864 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4767 316 720 CABLEONE, US 18403 4588 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4471 536 314 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 12859 12748 CHINAMOBILE-CN China Mobile Communications Grou 8151 12355 11769 UNINET, MX 12479 7565 7416 UNI2-AS, ES 7545 6133 5521 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4588 4561 FPT-AS-AP FPT Telecom Company, VN 174 5340 4476 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4767 4047 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 32182 UNALLOCATED 8.9.96.0/23 3356 LEVEL3, US 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 398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 /13:581 /14:1215 /15:2178 /16:13904 /17:8382 /18:13804 /19:24864 /20:45023 /21:53012 /22:114243 /23:108695 /24:634676 /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 12355 UNINET, MX 12479 6525 7565 UNI2-AS, ES 11492 3579 4767 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3441 3643 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2499 3345 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2368 13884 AMAZON-02, US 30036 2297 2639 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2195 3475 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) ---------------------------------------------- 1:2444 2:1646 3:883 4:10 5:5145 6:157 7:6 8:1571 9:3 11:172 12:1258 13:474 14:2592 15:372 16:285 17:381 18:905 20:582 21:4 22:188 23:7876 24:2804 25:2 27:2864 29:19 31:3510 32:37 33:1 34:87 35:265 36:4276 37:4640 38:10725 39:985 40:267 41:4478 42:2068 43:2755 44:387 45:19621 46:5269 47:342 49:1976 50:2053 51:592 52:1555 54:322 55:1106 56:11 57:281 58:2240 59:1337 60:1181 61:3105 62:3056 63:1798 64:5660 65:2170 66:4882 67:3148 68:1108 69:4064 70:1047 71:635 72:2977 74:2860 75:1525 76:610 77:2897 78:1925 79:1737 80:2246 81:2098 82:3287 83:1493 84:1943 85:3479 86:1218 87:2402 88:1363 89:4477 90:775 91:8525 92:2833 93:2970 94:4252 95:4497 96:1503 97:311 98:960 99:706 100:71 101:1463 102:4476 103:32728 104:5297 105:1069 106:874 107:2655 108:1282 109:4250 110:2243 111:3578 112:2455 113:1877 114:1985 115:2318 116:2135 117:2697 118:3066 119:1939 120:2207 121:1349 122:2829 123:2457 124:1743 125:2908 126:91 128:1621 129:1016 130:1327 131:2152 132:785 133:450 134:1627 135:402 136:1484 137:1147 138:3022 139:1599 140:1626 141:1535 142:1940 143:2022 144:1185 145:602 146:2192 147:2110 148:2719 149:3041 150:1294 151:2370 152:2126 153:594 154:7949 155:1904 156:3150 157:1981 158:1373 159:2528 160:3698 161:1946 162:3911 163:2289 164:1918 165:2499 166:1546 167:2066 168:4076 169:790 170:5439 171:1000 172:4273 173:3427 174:908 175:1343 176:3860 177:5384 178:4113 179:2525 180:2636 181:4310 182:3587 183:2378 184:2121 185:21905 186:5584 187:4898 188:4310 189:4520 190:9792 191:1628 192:11385 193:9543 194:7957 195:5744 196:3696 197:3794 198:6155 199:8628 200:8545 201:6526 202:10598 203:10871 204:4608 205:3657 206:4550 207:3531 208:4326 209:5173 210:4780 211:2670 212:4654 213:3892 214:1034 215:52 216:6863 217:3459 218:1451 219:421 220:2149 221:1211 222:743 223:2863 End of report