IPv4 R&E Routing Table Report 18:40 GMT Thu 14 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: 1021274 Prefixes after maximum aggregation (per Origin AS): 386547 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 489119 Number of IPv4 prefixes with a valid ROA: 578727 Number of IPv4 prefixes with an invalid ROA: 2311 Number of IPv4 prefixes with no ROA: 440236 Total ASes present in the Internet Routing Table: 77335 Prefixes per ASN: 13.21 Origin-only ASes present in the Internet Routing Table: 66301 Origin ASes announcing only one prefix: 26583 Transit ASes present in the Internet Routing Table: 11034 Transit-only ASes present in the Internet Routing Table: 556 Paths with bogon ASNs present in the IPv4 Routing Table: 131 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: 1194 Number of instances of unregistered ASNs: 1233 Number of 32-bit ASNs allocated by the RIRs: 47139 Number of 32-bit ASNs visible in the Routing Table: 38882 Prefixes from 32-bit ASNs in the Routing Table: 215222 Number of bogon 32-bit ASNs visible in the Routing Table: 112 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 440 Number of addresses announced to Internet: 3109267200 Equivalent to 185 /8s, 83 /16s and 167 /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: 336383 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269222 Total APNIC prefixes after maximum aggregation: 78687 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 259785 Unique aggregates announced from the APNIC address blocks: 105134 APNIC Region origin ASes present in the Internet Routing Table: 14785 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 4492 APNIC Region transit ASes present in the Internet Routing Table: 1974 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: 750093568 Equivalent to 44 /8s, 181 /16s and 133 /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: 296474 Total ARIN prefixes after maximum aggregation: 132826 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298266 Unique aggregates announced from the ARIN address blocks: 141791 ARIN Region origin ASes present in the Internet Routing Table: 19261 ARIN Prefixes per ASN: 15.49 ARIN Region origin ASes announcing only one prefix: 7045 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: 5292 Number of ARIN addresses announced to Internet: 1349664768 Equivalent to 80 /8s, 114 /16s and 64 /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: 284071 Total RIPE prefixes after maximum aggregation: 137317 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283007 Unique aggregates announced from the RIPE address blocks: 178766 RIPE Region origin ASes present in the Internet Routing Table: 29081 RIPE Prefixes per ASN: 9.73 RIPE Region origin ASes announcing only one prefix: 12059 RIPE Region transit ASes present in the Internet Routing Table: 4003 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: 12673 Number of RIPE addresses announced to Internet: 732727296 Equivalent to 43 /8s, 172 /16s and 136 /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: 132570 Total LACNIC prefixes after maximum aggregation: 29933 LACNIC Deaggregation factor: 4.43 Prefixes being announced from the LACNIC address blocks: 128716 Unique aggregates announced from the LACNIC address blocks: 49028 LACNIC Region origin ASes present in the Internet Routing Table: 11294 LACNIC Prefixes per ASN: 11.40 LACNIC Region origin ASes announcing only one prefix: 2327 LACNIC Region transit ASes present in the Internet Routing Table: 2527 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: 9258 Number of LACNIC addresses announced to Internet: 171236096 Equivalent to 10 /8s, 52 /16s and 219 /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: 37743 Total AfriNIC prefixes after maximum aggregation: 7013 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 51060 Unique aggregates announced from the AfriNIC address blocks: 14018 AfriNIC Region origin ASes present in the Internet Routing Table: 1966 AfriNIC Prefixes per ASN: 25.97 AfriNIC Region origin ASes announcing only one prefix: 660 AfriNIC Region transit ASes present in the Internet Routing Table: 386 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: 1330 Number of AfriNIC addresses announced to Internet: 105300480 Equivalent to 6 /8s, 70 /16s and 194 /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 12874 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6132 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4594 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4470 536 313 BBIL-AP BHARTI Airtel Ltd., IN 7552 3963 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3719 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3312 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 2966 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2924 865 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2183 1437 75 TENCENT-NET-AP Shenzhen Tencent Computer 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 13906 41105 5298 AMAZON-02, US 174 5328 8770 865 COGENT-174, US 11492 4753 315 752 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3643 1320 82 SHAW, CA 22773 3348 3029 164 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3207 3858 436 GOOGLE-CLOUD-PLATFORM, US 16625 3055 1288 2211 AKAMAI-AS, US 4155 2929 228 1746 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 7558 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4035 3395 128 AKAMAI-ASN1, NL 9009 3866 366 2182 M247, RO 12389 3114 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2403 361 583 TELLCOM-AS, TR 212238 2330 165 1694 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 12375 3272 580 UNINET, MX 10620 3478 472 1054 Telmex Colombia S.A., CO 13999 2529 511 349 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 1222 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 1015 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 576 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 13906 41105 5298 AMAZON-02, US 9808 12874 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12375 3272 580 UNINET, MX 12479 7558 1711 149 UNI2-AS, ES 7545 6132 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5328 8770 865 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4753 315 752 CABLEONE, US 18403 4594 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4470 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 12874 12763 CHINAMOBILE-CN China Mobile Communications Grou 8151 12375 11795 UNINET, MX 12479 7558 7409 UNI2-AS, ES 7545 6132 5520 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4594 4567 FPT-AS-AP FPT Telecom Company, VN 174 5328 4463 COGENT-174, US 9498 4470 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4753 4001 CABLEONE, US 7552 3963 3936 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 /16:13903 /17:8381 /18:13807 /19:24861 /20:45026 /21:53046 /22:114210 /23:108696 /24:634908 /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 6564 12375 UNINET, MX 12479 6518 7558 UNI2-AS, ES 11492 3564 4753 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3441 3643 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2502 3348 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2373 13906 AMAZON-02, US 30036 2298 2640 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2198 3478 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) ---------------------------------------------- 1:2443 2:1646 3:883 4:10 5:5153 6:157 7:6 8:1571 9:3 11:172 12:1256 13:482 14:2591 15:373 16:286 17:382 18:906 20:582 21:4 22:188 23:7865 24:2804 25:2 27:2866 29:19 31:3512 32:37 33:1 34:87 35:264 36:4277 37:4647 38:10726 39:995 40:268 41:4481 42:2074 43:2754 44:386 45:19618 46:5197 47:342 49:1980 50:2059 51:592 52:1555 54:321 55:1108 56:11 57:283 58:2241 59:1335 60:1181 61:3104 62:3060 63:1799 64:5654 65:2167 66:4881 67:3148 68:1106 69:4063 70:1047 71:639 72:2970 74:2856 75:1527 76:609 77:2901 78:1925 79:1741 80:2247 81:2099 82:3286 83:1494 84:1944 85:3479 86:1219 87:2403 88:1369 89:4488 90:776 91:8519 92:2839 93:2979 94:4265 95:4500 96:1498 97:311 98:960 99:708 100:71 101:1463 102:4490 103:32709 104:5297 105:1070 106:874 107:2650 108:1282 109:4245 110:2245 111:3585 112:2462 113:1881 114:1988 115:2317 116:2136 117:2700 118:3064 119:1940 120:2207 121:1353 122:2832 123:2458 124:1762 125:2912 126:90 128:1622 129:1017 130:1326 131:2153 132:784 133:450 134:1628 135:402 136:1484 137:1149 138:3029 139:1600 140:1627 141:1539 142:1943 143:2032 144:1183 145:602 146:2193 147:2113 148:2717 149:3043 150:1292 151:2381 152:2129 153:593 154:7935 155:1902 156:3193 157:1977 158:1384 159:2531 160:3698 161:1947 162:3909 163:2287 164:1919 165:2497 166:1546 167:2063 168:4077 169:793 170:5458 171:1005 172:4278 173:3428 174:907 175:1345 176:3854 177:5387 178:4121 179:2524 180:2637 181:4328 182:3593 183:2384 184:2118 185:21900 186:5595 187:4898 188:4310 189:4527 190:9825 191:1636 192:11385 193:9551 194:7960 195:5746 196:3666 197:3785 198:6146 199:8659 200:8557 201:6511 202:10605 203:10867 204:4606 205:3627 206:4549 207:3533 208:4334 209:5177 210:4779 211:2665 212:4657 213:3891 214:1034 215:52 216:6866 217:3471 218:1453 219:422 220:2143 221:1210 222:743 223:2866 End of report