IPv4 R&E Routing Table Report 18:40 GMT Thu 21 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: 1021646 Prefixes after maximum aggregation (per Origin AS): 387459 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 491016 Number of IPv4 prefixes with a valid ROA: 580898 Number of IPv4 prefixes with an invalid ROA: 2346 Number of IPv4 prefixes with no ROA: 438402 Total ASes present in the Internet Routing Table: 77387 Prefixes per ASN: 13.20 Origin-only ASes present in the Internet Routing Table: 66359 Origin ASes announcing only one prefix: 26610 Transit ASes present in the Internet Routing Table: 11028 Transit-only ASes present in the Internet Routing Table: 558 Paths with bogon ASNs present in the IPv4 Routing Table: 128 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: 1154 Number of instances of unregistered ASNs: 1193 Number of 32-bit ASNs allocated by the RIRs: 47236 Number of 32-bit ASNs visible in the Routing Table: 38936 Prefixes from 32-bit ASNs in the Routing Table: 216105 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: 448 Number of addresses announced to Internet: 3108368896 Equivalent to 185 /8s, 69 /16s and 242 /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: 336452 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269446 Total APNIC prefixes after maximum aggregation: 78860 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 260016 Unique aggregates announced from the APNIC address blocks: 105273 APNIC Region origin ASes present in the Internet Routing Table: 14807 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 4511 APNIC Region transit ASes present in the Internet Routing Table: 1985 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10347 Number of APNIC addresses announced to Internet: 750238976 Equivalent to 44 /8s, 183 /16s and 189 /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: 296555 Total ARIN prefixes after maximum aggregation: 133142 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298528 Unique aggregates announced from the ARIN address blocks: 141985 ARIN Region origin ASes present in the Internet Routing Table: 19278 ARIN Prefixes per ASN: 15.49 ARIN Region origin ASes announcing only one prefix: 7052 ARIN Region transit ASes present in the Internet Routing Table: 1962 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: 5302 Number of ARIN addresses announced to Internet: 1349270272 Equivalent to 80 /8s, 108 /16s and 59 /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: 284433 Total RIPE prefixes after maximum aggregation: 137542 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283359 Unique aggregates announced from the RIPE address blocks: 179121 RIPE Region origin ASes present in the Internet Routing Table: 29108 RIPE Prefixes per ASN: 9.73 RIPE Region origin ASes announcing only one prefix: 12075 RIPE Region transit ASes present in the Internet Routing Table: 4001 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12703 Number of RIPE addresses announced to Internet: 732902400 Equivalent to 43 /8s, 175 /16s and 52 /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: 132362 Total LACNIC prefixes after maximum aggregation: 30179 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 128472 Unique aggregates announced from the LACNIC address blocks: 49206 LACNIC Region origin ASes present in the Internet Routing Table: 11293 LACNIC Prefixes per ASN: 11.38 LACNIC Region origin ASes announcing only one prefix: 2310 LACNIC Region transit ASes present in the Internet Routing Table: 2531 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: 9257 Number of LACNIC addresses announced to Internet: 170847488 Equivalent to 10 /8s, 46 /16s and 237 /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: 37696 Total AfriNIC prefixes after maximum aggregation: 6984 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 50823 Unique aggregates announced from the AfriNIC address blocks: 15046 AfriNIC Region origin ASes present in the Internet Routing Table: 1963 AfriNIC Prefixes per ASN: 25.89 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 382 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: 1327 Number of AfriNIC addresses announced to Internet: 104864768 Equivalent to 6 /8s, 64 /16s and 28 /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 12894 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4596 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 7552 3940 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3709 1044 69 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3313 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 2967 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2921 865 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2180 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 14056 40856 5344 AMAZON-02, US 174 5099 8759 849 COGENT-174, US 11492 4742 314 779 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3646 1320 82 SHAW, CA 22773 3341 3030 161 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3218 3857 436 GOOGLE-CLOUD-PLATFORM, US 16625 3044 1287 2205 AKAMAI-AS, US 4155 2948 230 1747 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 7543 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4035 3395 128 AKAMAI-ASN1, NL 9009 3877 367 2190 M247, RO 12389 3116 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2404 361 585 TELLCOM-AS, TR 212238 2330 165 1698 CDNEXT, GB 203020 1791 219 815 HOSTROYALE, IN 8452 1607 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 12320 3270 571 UNINET, MX 10620 3483 472 1054 Telmex Colombia S.A., CO 13999 2531 511 349 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1372 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 1185 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 1424 1495 374 ETISALAT-MISR, EG 20011 1319 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24863 1192 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 923 523 46 Vodafone-, EG 36914 581 82 3 KENET-AS, KE 3741 565 725 321 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 14056 40856 5344 AMAZON-02, US 9808 12894 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12320 3270 571 UNINET, MX 12479 7543 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5099 8759 849 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4742 314 779 CABLEONE, US 18403 4596 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 12894 12783 CHINAMOBILE-CN China Mobile Communications Grou 8151 12320 11749 UNINET, MX 12479 7543 7393 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4596 4569 FPT-AS-AP FPT Telecom Company, VN 174 5099 4250 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4742 3963 CABLEONE, US 7552 3940 3913 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 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 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, 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 /13:580 /14:1214 /15:2175 /16:13880 /17:8379 /18:13783 /19:24865 /20:45045 /21:53037 /22:114141 /23:108759 /24:635326 /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 12479 6504 7543 UNI2-AS, ES 8151 6497 12320 UNINET, MX 11492 3555 4742 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3444 3646 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2499 3341 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2395 14056 AMAZON-02, US 30036 2311 2654 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2203 3483 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 2:1652 3:922 4:10 5:5181 6:158 7:6 8:1570 9:3 11:172 12:1256 13:482 14:2597 15:381 16:285 17:383 18:907 20:583 21:4 22:188 23:7884 24:2804 25:2 27:2880 29:19 31:3510 32:37 33:1 34:88 35:265 36:4295 37:4642 38:10537 39:998 40:266 41:4489 42:2079 43:2766 44:389 45:19724 46:5196 47:342 49:2012 50:2049 51:592 52:1562 54:331 55:1099 56:11 57:294 58:2258 59:1338 60:1184 61:3089 62:3064 63:1801 64:5672 65:2163 66:4909 67:3151 68:1099 69:4066 70:1047 71:642 72:2975 74:2857 75:1527 76:607 77:2896 78:1926 79:1739 80:2264 81:2113 82:3283 83:1502 84:1944 85:3472 86:1225 87:2402 88:1369 89:4513 90:776 91:8518 92:2837 93:2990 94:4266 95:4487 96:1500 97:310 98:955 99:711 100:71 101:1467 102:4515 103:32756 104:5313 105:1070 106:875 107:2650 108:1280 109:4248 110:2250 111:3582 112:2477 113:1882 114:1992 115:2299 116:2143 117:2703 118:3063 119:1948 120:2201 121:1348 122:2843 123:2484 124:1747 125:2910 126:91 128:1624 129:1007 130:1324 131:2160 132:785 133:460 134:1641 135:403 136:1483 137:1135 138:3033 139:1606 140:1626 141:1543 142:1943 143:2054 144:1228 145:605 146:2198 147:2115 148:2730 149:3074 150:1269 151:2419 152:2133 153:634 154:7597 155:1925 156:3264 157:1984 158:1393 159:2539 160:3687 161:1962 162:3923 163:2307 164:1923 165:2513 166:1551 167:2088 168:4078 169:780 170:5466 171:998 172:4287 173:3440 174:907 175:1345 176:3850 177:5377 178:4118 179:2511 180:2637 181:4331 182:3612 183:2385 184:2118 185:21911 186:5685 187:4813 188:4338 189:4552 190:9666 191:1669 192:11404 193:9540 194:7958 195:5759 196:3683 197:3799 198:6158 199:8669 200:8531 201:6510 202:10597 203:10848 204:4594 205:3630 206:4561 207:3528 208:4328 209:5180 210:4789 211:2677 212:4665 213:3894 214:1038 215:51 216:6855 217:3472 218:1458 219:421 220:2148 221:1213 222:742 223:2862 End of report