IPv4 R&E Routing Table Report 18:40 GMT Mon 04 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: 1011175 Prefixes after maximum aggregation (per Origin AS): 384446 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 488497 Number of IPv4 prefixes with a valid ROA: 558776 Number of IPv4 prefixes with an invalid ROA: 821 Number of IPv4 prefixes with no ROA: 451578 Total ASes present in the Internet Routing Table: 77148 Prefixes per ASN: 13.11 Origin-only ASes present in the Internet Routing Table: 66177 Origin ASes announcing only one prefix: 26570 Transit ASes present in the Internet Routing Table: 10971 Transit-only ASes present in the Internet Routing Table: 547 Paths with bogon ASNs present in the IPv4 Routing Table: 88 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: 1138 Number of instances of unregistered ASNs: 1167 Number of 32-bit ASNs allocated by the RIRs: 47047 Number of 32-bit ASNs visible in the Routing Table: 38744 Prefixes from 32-bit ASNs in the Routing Table: 213321 Number of bogon 32-bit ASNs visible in the Routing Table: 81 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 420 Number of addresses announced to Internet: 3108173312 Equivalent to 185 /8s, 66 /16s and 246 /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: 332472 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 264998 Total APNIC prefixes after maximum aggregation: 78074 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 256117 Unique aggregates announced from the APNIC address blocks: 105159 APNIC Region origin ASes present in the Internet Routing Table: 14723 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 4487 APNIC Region transit ASes present in the Internet Routing Table: 1957 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: 10274 Number of APNIC addresses announced to Internet: 749833472 Equivalent to 44 /8s, 177 /16s and 141 /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: 295151 Total ARIN prefixes after maximum aggregation: 132265 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 297071 Unique aggregates announced from the ARIN address blocks: 141496 ARIN Region origin ASes present in the Internet Routing Table: 19243 ARIN Prefixes per ASN: 15.44 ARIN Region origin ASes announcing only one prefix: 7045 ARIN Region transit ASes present in the Internet Routing Table: 1963 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: 5272 Number of ARIN addresses announced to Internet: 1349484288 Equivalent to 80 /8s, 111 /16s and 127 /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: 279889 Total RIPE prefixes after maximum aggregation: 136532 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 278465 Unique aggregates announced from the RIPE address blocks: 178317 RIPE Region origin ASes present in the Internet Routing Table: 29029 RIPE Prefixes per ASN: 9.59 RIPE Region origin ASes announcing only one prefix: 12054 RIPE Region transit ASes present in the Internet Routing Table: 3982 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: 12636 Number of RIPE addresses announced to Internet: 732197632 Equivalent to 43 /8s, 164 /16s and 115 /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: 132472 Total LACNIC prefixes after maximum aggregation: 29823 LACNIC Deaggregation factor: 4.44 Prefixes being announced from the LACNIC address blocks: 128678 Unique aggregates announced from the LACNIC address blocks: 49150 LACNIC Region origin ASes present in the Internet Routing Table: 11280 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2322 LACNIC Region transit ASes present in the Internet Routing Table: 2516 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9244 Number of LACNIC addresses announced to Internet: 171213056 Equivalent to 10 /8s, 52 /16s and 129 /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: 37527 Total AfriNIC prefixes after maximum aggregation: 7018 AfriNIC Deaggregation factor: 5.35 Prefixes being announced from the AfriNIC address blocks: 50424 Unique aggregates announced from the AfriNIC address blocks: 14016 AfriNIC Region origin ASes present in the Internet Routing Table: 1952 AfriNIC Prefixes per ASN: 25.83 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 381 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: 1318 Number of AfriNIC addresses announced to Internet: 105203456 Equivalent to 6 /8s, 69 /16s and 71 /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 12382 8759 112 CHINAMOBILE-CN China Mobile Communication 7545 6133 837 619 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4569 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN 7552 3909 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3673 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3302 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2915 864 511 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2887 811 177 CMNET-JIANGSU-AP China Mobile communicati 4755 2171 427 182 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 13701 41057 5282 AMAZON-02, US 174 5286 8770 856 COGENT-174, US 11492 4827 320 607 CABLEONE, US 7155 3855 286 85 VIASAT-SP-BACKBONE, US 6327 3634 1320 82 SHAW, CA 22773 3339 3029 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3200 3856 434 GOOGLE-CLOUD-PLATFORM, US 16625 3045 1290 2220 AKAMAI-AS, US 4155 2895 219 1737 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 7568 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4010 3395 128 AKAMAI-ASN1, NL 9009 3845 365 2154 M247, RO 12389 3112 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2404 361 584 TELLCOM-AS, TR 212238 2314 163 1682 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1583 1852 14 TE-AS TE-AS, EG 203020 1524 191 672 HOSTROYALE, IN 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 12358 3270 576 UNINET, MX 10620 3481 473 1037 Telmex Colombia S.A., CO 13999 2522 511 354 Mega Cable, S.A. de C.V., MX 11830 1984 369 64 Instituto Costarricense de Electricidad y 28573 1372 2435 269 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1188 371 22 Telefonica del Peru S.A.A., PE 22884 1066 68 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1022 373 162 Axtel, S.A.B. de C.V., MX 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 1738 660 28 RAYA-AS, EG 29571 1604 102 51 ORANGE-COTE-IVOIRE, CI 36992 1410 1494 372 ETISALAT-MISR, EG 20011 1298 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24863 1233 389 20 LINKdotNET-AS, EG 37069 1086 1112 11 MOBINIL, EG 36935 939 520 43 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 13701 41057 5282 AMAZON-02, US 9808 12382 8759 112 CHINAMOBILE-CN China Mobile Communication 8151 12358 3270 576 UNINET, MX 12479 7568 1711 149 UNI2-AS, ES 7545 6133 837 619 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5286 8770 856 COGENT-174, US 11492 4827 320 607 CABLEONE, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 18403 4569 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 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 12382 12270 CHINAMOBILE-CN China Mobile Communications Grou 8151 12358 11782 UNINET, MX 12479 7568 7419 UNI2-AS, ES 7545 6133 5514 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4569 4544 FPT-AS-AP FPT Telecom Company, VN 174 5286 4430 COGENT-174, US 11492 4827 4220 CABLEONE, US 9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN 20940 4010 3882 AKAMAI-ASN1, NL 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 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 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 /12:298 /13:581 /14:1214 /15:2173 /16:13868 /17:8295 /18:13683 /19:24778 /20:44580 /21:52569 /22:113338 /23:107048 /24:628587 /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 6552 12358 UNINET, MX 12479 6529 7568 UNI2-AS, ES 11492 3619 4827 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3432 3634 SHAW, CA 7155 2814 3855 VIASAT-SP-BACKBONE, US 22773 2492 3339 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2362 13701 AMAZON-02, US 30036 2292 2633 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2197 3481 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) ---------------------------------------------- 1:2440 2:1528 3:863 4:10 5:5019 6:162 7:6 8:1566 9:2 11:172 12:1337 13:457 14:2583 15:368 16:286 17:376 18:898 20:568 21:4 22:188 23:7808 24:2816 25:2 27:2800 29:19 31:3386 32:43 33:1 34:84 35:260 36:4050 37:4584 38:10693 39:947 40:248 41:4453 42:2052 43:2711 44:385 45:19453 46:5107 47:336 49:1932 50:2047 51:592 52:1555 54:325 55:1101 56:11 57:283 58:2193 59:1337 60:1172 61:3015 62:3029 63:1797 64:5607 65:2176 66:4839 67:3139 68:1091 69:4053 70:1039 71:634 72:2947 74:2838 75:1523 76:610 77:2868 78:1901 79:1725 80:2218 81:2078 82:3208 83:1437 84:1908 85:3485 86:1095 87:2395 88:1328 89:4440 90:776 91:8499 92:2736 93:2952 94:4100 95:4419 96:1504 97:310 98:953 99:695 100:71 101:1463 102:4416 103:32375 104:5290 105:1080 106:975 107:2642 108:1274 109:4235 110:2233 111:3441 112:2356 113:1867 114:1981 115:2282 116:2114 117:2638 118:2915 119:1935 120:2195 121:1332 122:2820 123:2421 124:1677 125:2882 126:90 128:1612 129:993 130:1329 131:2149 132:780 133:450 134:1607 135:397 136:1475 137:1141 138:3007 139:1585 140:1618 141:1523 142:1915 143:1987 144:1168 145:572 146:2193 147:2102 148:2735 149:2995 150:1283 151:2256 152:2115 153:591 154:7867 155:1874 156:3085 157:1941 158:1359 159:2524 160:3673 161:1934 162:3917 163:2262 164:1906 165:2460 166:1532 167:2042 168:4151 169:793 170:5401 171:999 172:4249 173:3435 174:920 175:1319 176:3791 177:5391 178:4025 179:2472 180:2621 181:4294 182:3563 183:2285 184:2119 185:21798 186:5577 187:4912 188:4291 189:4554 190:9840 191:1584 192:11333 193:9527 194:7872 195:5683 196:3660 197:3728 198:6149 199:8619 200:8582 201:6536 202:10459 203:10736 204:4596 205:3597 206:4524 207:3528 208:4296 209:5175 210:4726 211:2603 212:4623 213:3839 214:1033 215:48 216:6844 217:3278 218:1410 219:405 220:2147 221:1206 222:736 223:2765 End of report