IPv4 R&E Routing Table Report 18:40 GMT Fri 08 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: 1011776 Prefixes after maximum aggregation (per Origin AS): 384876 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 488855 Number of IPv4 prefixes with a valid ROA: 566153 Number of IPv4 prefixes with an invalid ROA: 850 Number of IPv4 prefixes with no ROA: 444770 Total ASes present in the Internet Routing Table: 77181 Prefixes per ASN: 13.11 Origin-only ASes present in the Internet Routing Table: 66209 Origin ASes announcing only one prefix: 26599 Transit ASes present in the Internet Routing Table: 10972 Transit-only ASes present in the Internet Routing Table: 552 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: 1146 Number of instances of unregistered ASNs: 1175 Number of 32-bit ASNs allocated by the RIRs: 47085 Number of 32-bit ASNs visible in the Routing Table: 38789 Prefixes from 32-bit ASNs in the Routing Table: 213423 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: 442 Number of addresses announced to Internet: 3107833088 Equivalent to 185 /8s, 61 /16s and 197 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 332554 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 265665 Total APNIC prefixes after maximum aggregation: 78158 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 256550 Unique aggregates announced from the APNIC address blocks: 104903 APNIC Region origin ASes present in the Internet Routing Table: 14727 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 4484 APNIC Region transit ASes present in the Internet Routing Table: 1966 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: 10283 Number of APNIC addresses announced to Internet: 749599744 Equivalent to 44 /8s, 173 /16s and 252 /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: 295396 Total ARIN prefixes after maximum aggregation: 132464 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 297241 Unique aggregates announced from the ARIN address blocks: 141735 ARIN Region origin ASes present in the Internet Routing Table: 19246 ARIN Prefixes per ASN: 15.44 ARIN Region origin ASes announcing only one prefix: 7043 ARIN Region transit ASes present in the Internet Routing Table: 1964 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: 5281 Number of ARIN addresses announced to Internet: 1349396480 Equivalent to 80 /8s, 110 /16s and 40 /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: 280203 Total RIPE prefixes after maximum aggregation: 136700 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 278892 Unique aggregates announced from the RIPE address blocks: 178718 RIPE Region origin ASes present in the Internet Routing Table: 29043 RIPE Prefixes per ASN: 9.60 RIPE Region origin ASes announcing only one prefix: 12069 RIPE Region transit ASes present in the Internet Routing Table: 3974 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: 12651 Number of RIPE addresses announced to Internet: 732156416 Equivalent to 43 /8s, 163 /16s and 210 /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: 131956 Total LACNIC prefixes after maximum aggregation: 29847 LACNIC Deaggregation factor: 4.42 Prefixes being announced from the LACNIC address blocks: 128146 Unique aggregates announced from the LACNIC address blocks: 49063 LACNIC Region origin ASes present in the Internet Routing Table: 11284 LACNIC Prefixes per ASN: 11.36 LACNIC Region origin ASes announcing only one prefix: 2333 LACNIC Region transit ASes present in the Internet Routing Table: 2513 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: 9252 Number of LACNIC addresses announced to Internet: 171190528 Equivalent to 10 /8s, 52 /16s and 41 /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: 37410 Total AfriNIC prefixes after maximum aggregation: 6974 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 50505 Unique aggregates announced from the AfriNIC address blocks: 14055 AfriNIC Region origin ASes present in the Internet Routing Table: 1958 AfriNIC Prefixes per ASN: 25.79 AfriNIC Region origin ASes announcing only one prefix: 670 AfriNIC Region transit ASes present in the Internet Routing Table: 384 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: 1322 Number of AfriNIC addresses announced to Internet: 105246464 Equivalent to 6 /8s, 69 /16s and 239 /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 12609 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6135 837 619 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4572 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN 7552 3942 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3305 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 2964 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2917 864 511 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2174 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 13789 41095 5312 AMAZON-02, US 174 5427 8769 850 COGENT-174, US 11492 4783 317 680 CABLEONE, US 7155 3859 286 85 VIASAT-SP-BACKBONE, US 6327 3641 1320 82 SHAW, CA 22773 3336 3029 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3204 3858 436 GOOGLE-CLOUD-PLATFORM, US 16625 3041 1286 2216 AKAMAI-AS, US 4155 2909 227 1732 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 153 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4023 3395 128 AKAMAI-ASN1, NL 9009 3862 366 2178 M247, RO 12389 3112 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2404 361 584 TELLCOM-AS, TR 212238 2326 164 1691 CDNEXT, GB 13188 1605 100 37 TRIOLAN, UA 8452 1584 1852 14 TE-AS TE-AS, EG 203020 1521 191 669 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 12364 3271 574 UNINET, MX 10620 3475 472 1052 Telmex Colombia S.A., CO 13999 2529 511 354 Mega Cable, S.A. de C.V., MX 11830 1986 369 64 Instituto Costarricense de Electricidad y 28573 1371 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1205 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1180 371 22 Telefonica del Peru S.A.A., PE 22884 1066 68 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1017 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 1484 94 32 ORANGE-COTE-IVOIRE, CI 36992 1417 1494 373 ETISALAT-MISR, EG 20011 1310 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24863 1239 389 20 LINKdotNET-AS, EG 37069 1086 1112 11 MOBINIL, EG 36935 972 520 43 Vodafone-, EG 36914 573 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 13789 41095 5312 AMAZON-02, US 9808 12609 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12364 3271 574 UNINET, MX 12479 7568 1711 153 UNI2-AS, ES 7545 6135 837 619 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5427 8769 850 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4783 317 680 CABLEONE, US 18403 4572 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 12609 12498 CHINAMOBILE-CN China Mobile Communications Grou 8151 12364 11790 UNINET, MX 12479 7568 7415 UNI2-AS, ES 7545 6135 5516 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 174 5427 4577 COGENT-174, US 18403 4572 4547 FPT-AS-AP FPT Telecom Company, VN 9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN 11492 4783 4103 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 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 23.143.140.0/24 Origin: 7029 WINDSTREAM, US 23.143.140.0/24 Transit: 6461 ZAYO-6461, 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 /16:13872 /17:8291 /18:13689 /19:24763 /20:44578 /21:52616 /22:113350 /23:107141 /24:629047 /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 12364 UNINET, MX 12479 6529 7568 UNI2-AS, ES 11492 3593 4783 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3439 3641 SHAW, CA 7155 2818 3859 VIASAT-SP-BACKBONE, US 22773 2489 3336 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2348 13789 AMAZON-02, US 30036 2295 2637 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) ---------------------------------------------- 1:2438 2:1529 3:874 4:10 5:5018 6:157 7:6 8:1563 9:2 11:172 12:1336 13:471 14:2584 15:368 16:286 17:378 18:899 20:570 21:4 22:188 23:7822 24:2795 25:2 27:2805 29:19 31:3404 32:43 33:1 34:84 35:260 36:4214 37:4597 38:10696 39:965 40:251 41:4445 42:2053 43:2708 44:385 45:19388 46:5119 47:338 49:1921 50:2052 51:589 52:1553 54:324 55:1108 56:11 57:282 58:2194 59:1330 60:1173 61:3013 62:3050 63:1793 64:5625 65:2163 66:4854 67:3141 68:1092 69:4057 70:1034 71:633 72:2948 74:2843 75:1525 76:606 77:2881 78:1904 79:1738 80:2219 81:2097 82:3234 83:1437 84:1923 85:3460 86:1108 87:2401 88:1327 89:4447 90:775 91:8498 92:2760 93:2966 94:4118 95:4450 96:1505 97:310 98:955 99:702 100:71 101:1456 102:4417 103:32355 104:5284 105:1055 106:874 107:2655 108:1266 109:4236 110:2235 111:3518 112:2417 113:1871 114:1984 115:2269 116:2115 117:2681 118:2911 119:1915 120:2187 121:1330 122:2824 123:2422 124:1675 125:2886 126:91 128:1613 129:996 130:1330 131:2133 132:782 133:450 134:1599 135:401 136:1479 137:1145 138:2985 139:1592 140:1623 141:1530 142:1945 143:1992 144:1185 145:581 146:2187 147:2066 148:2714 149:2994 150:1284 151:2303 152:2116 153:593 154:7924 155:1881 156:3089 157:1947 158:1375 159:2526 160:3662 161:1941 162:3897 163:2270 164:1906 165:2483 166:1529 167:2046 168:4051 169:790 170:5403 171:998 172:4246 173:3427 174:912 175:1319 176:3799 177:5317 178:4045 179:2486 180:2622 181:4303 182:3589 183:2324 184:2118 185:21785 186:5514 187:4895 188:4289 189:4547 190:9802 191:1589 192:11357 193:9524 194:7862 195:5691 196:3668 197:3715 198:6148 199:8628 200:8515 201:6521 202:10449 203:10736 204:4600 205:3631 206:4535 207:3529 208:4303 209:5157 210:4739 211:2644 212:4623 213:3859 214:1028 215:50 216:6845 217:3302 218:1437 219:404 220:2146 221:1210 222:737 223:2814 End of report