IPv4 R&E Routing Table Report 18:40 GMT Thu 16 Oct, 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: 1023049 Prefixes after maximum aggregation (per Origin AS): 392729 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 497450 Number of IPv4 prefixes with a valid ROA: 588602 Number of IPv4 prefixes with an invalid ROA: 2479 Number of IPv4 prefixes with no ROA: 431968 Total ASes present in the Internet Routing Table: 77541 Prefixes per ASN: 13.19 Origin-only ASes present in the Internet Routing Table: 66442 Origin ASes announcing only one prefix: 27045 Transit ASes present in the Internet Routing Table: 11099 Transit-only ASes present in the Internet Routing Table: 559 Paths with bogon ASNs present in the IPv4 Routing Table: 250 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 56 Max AS path prepend of ASN ( 37447) 53 Prefixes from unregistered ASNs in the Routing Table: 1066 Number of instances of unregistered ASNs: 1155 Number of 32-bit ASNs allocated by the RIRs: 47721 Number of 32-bit ASNs visible in the Routing Table: 39205 Prefixes from 32-bit ASNs in the Routing Table: 215633 Number of bogon 32-bit ASNs visible in the Routing Table: 220 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 451 Number of addresses announced to Internet: 3113038848 Equivalent to 185 /8s, 141 /16s and 52 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 335673 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 272894 Total APNIC prefixes after maximum aggregation: 80305 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 262398 Unique aggregates announced from the APNIC address blocks: 105732 APNIC Region origin ASes present in the Internet Routing Table: 14843 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 4505 APNIC Region transit ASes present in the Internet Routing Table: 1982 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: 10405 Number of APNIC addresses announced to Internet: 752174592 Equivalent to 44 /8s, 213 /16s and 70 /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: 301430 Total ARIN prefixes after maximum aggregation: 134871 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302475 Unique aggregates announced from the ARIN address blocks: 144417 ARIN Region origin ASes present in the Internet Routing Table: 19337 ARIN Prefixes per ASN: 15.64 ARIN Region origin ASes announcing only one prefix: 7086 ARIN Region transit ASes present in the Internet Routing Table: 1975 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5372 Number of ARIN addresses announced to Internet: 1352914432 Equivalent to 80 /8s, 163 /16s and 214 /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: 285071 Total RIPE prefixes after maximum aggregation: 139279 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 284880 Unique aggregates announced from the RIPE address blocks: 181309 RIPE Region origin ASes present in the Internet Routing Table: 29138 RIPE Prefixes per ASN: 9.78 RIPE Region origin ASes announcing only one prefix: 12100 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: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12800 Number of RIPE addresses announced to Internet: 733007872 Equivalent to 43 /8s, 176 /16s and 208 /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: 125455 Total LACNIC prefixes after maximum aggregation: 30449 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 121543 Unique aggregates announced from the LACNIC address blocks: 49393 LACNIC Region origin ASes present in the Internet Routing Table: 11320 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2559 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9282 Number of LACNIC addresses announced to Internet: 170732032 Equivalent to 10 /8s, 45 /16s and 42 /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: 37133 Total AfriNIC prefixes after maximum aggregation: 7108 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 51302 Unique aggregates announced from the AfriNIC address blocks: 16201 AfriNIC Region origin ASes present in the Internet Routing Table: 1983 AfriNIC Prefixes per ASN: 25.87 AfriNIC Region origin ASes announcing only one prefix: 686 AfriNIC Region transit ASes present in the Internet Routing Table: 389 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 56 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1346 Number of AfriNIC addresses announced to Internet: 103953920 Equivalent to 6 /8s, 50 /16s and 54 /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 13849 8759 114 CHINAMOBILE-CN China Mobile Communication 7545 6180 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4481 537 315 BBIL-AP BHARTI Airtel Ltd., IN 18403 4389 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3977 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3713 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3318 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3163 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2934 863 501 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2541 518 1631 HUTCHISON-AS-AP HGC Global Communications 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 14398 41091 5403 AMAZON-02, US 174 4886 8765 793 COGENT-174, US 11492 4770 322 786 CABLEONE, US 22773 4256 3083 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3683 1320 82 SHAW, CA 396982 3272 4825 465 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3121 242 1748 USDA-1, US 16625 3039 1301 2212 AKAMAI-AS, 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 7381 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4042 3395 127 AKAMAI-ASN1, NL 9009 4004 375 2256 M247, RO 12389 3143 2313 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2631 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2523 180 1833 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 203020 1720 205 1002 HOSTROYALE, IN 8452 1653 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 12397 3283 578 UNINET, MX 10620 3480 468 1088 Telmex Colombia S.A., CO 13999 2517 511 347 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 28573 1352 2426 293 Claro NXT Telecomunicacoes Ltda, BR 6147 1271 371 23 Telefonica del Peru S.A.A., PE 11664 1237 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1064 71 367 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1014 2486 56 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 1767 594 28 RAYA-AS, EG 36992 1512 1498 385 ETISALAT-MISR, EG 20011 1303 204 386 NTT-DATA-Inc, ZA 24863 1250 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1189 102 52 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1010 523 47 Vodafone-, EG 36914 571 82 3 KENET-AS, KE 3741 567 725 321 NTT-DATA-Inc, 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 14398 41091 5403 AMAZON-02, US 9808 13849 8759 114 CHINAMOBILE-CN China Mobile Communication 8151 12397 3283 578 UNINET, MX 12479 7381 1711 149 UNI2-AS, ES 7545 6180 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4886 8765 793 COGENT-174, US 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4770 322 786 CABLEONE, US 9498 4481 537 315 BBIL-AP BHARTI Airtel Ltd., IN 18403 4389 347 25 FPT-AS-AP FPT Telecom Company, VN 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 13849 13735 CHINAMOBILE-CN China Mobile Communications Grou 8151 12397 11819 UNINET, MX 12479 7381 7232 UNI2-AS, ES 7545 6180 5581 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4389 4364 FPT-AS-AP FPT Telecom Company, VN 9498 4481 4166 BBIL-AP BHARTI Airtel Ltd., IN 174 4886 4093 COGENT-174, US 11492 4770 3984 CABLEONE, US 7552 3977 3949 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 397015 UNALLOCATED 8.44.246.0/24 12025 IMDC-AS12025, 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 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, 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 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 /11:93 /12:301 /13:583 /14:1203 /15:2141 /16:13841 /17:8302 /18:13666 /19:24900 /20:45028 /21:52629 /22:113781 /23:106408 /24:640102 /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 6617 12397 UNINET, MX 12479 6349 7381 UNI2-AS, ES 11492 3583 4770 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3472 3683 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2651 4256 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2419 14398 AMAZON-02, US 30036 2307 2648 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2215 3480 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 2:1677 3:946 4:10 5:4996 6:170 7:6 8:1551 9:6 11:172 12:1239 13:567 14:2659 15:403 16:303 17:391 18:909 20:597 21:4 22:188 23:8094 24:2617 25:2 27:2781 29:19 31:3453 32:34 33:1 34:88 35:280 36:4480 37:4596 38:10545 39:1113 40:480 41:4502 42:1956 43:2815 44:399 45:19297 46:5234 47:378 49:2130 50:2061 51:597 52:1599 54:360 55:1088 56:11 57:293 58:2291 59:1331 60:1195 61:3099 62:3093 63:1774 64:5826 65:2127 66:5609 67:3152 68:1475 69:4202 70:1045 71:638 72:3018 74:2863 75:1514 76:609 77:2791 78:1924 79:1754 80:2270 81:2146 82:3491 83:1531 84:2004 85:3566 86:1199 87:2397 88:1368 89:4545 90:815 91:8420 92:2886 93:2997 94:4258 95:4541 96:1517 97:312 98:950 99:755 100:71 101:1469 102:4551 103:32627 104:5472 105:1008 106:898 107:2800 108:1209 109:4241 110:2251 111:3811 112:2717 113:1881 114:2085 115:2336 116:2139 117:3044 118:3059 119:2023 120:2311 121:1506 122:2834 123:2442 124:1753 125:2908 126:125 128:1570 129:1003 130:1422 131:2172 132:787 133:462 134:1628 135:368 136:1498 137:1138 138:2832 139:1596 140:1643 141:1555 142:2157 143:2098 144:1289 145:629 146:2180 147:2147 148:2745 149:2995 150:1301 151:2648 152:2185 153:575 154:8135 155:2185 156:3212 157:2020 158:1445 159:2608 160:3640 161:1995 162:3978 163:2310 164:1969 165:2575 166:1568 167:2115 168:3835 169:786 170:5406 171:1059 172:4516 173:3431 174:908 175:1369 176:3817 177:4813 178:4324 179:2288 180:2793 181:4261 182:3748 183:2559 184:2114 185:21837 186:5379 187:4742 188:4417 189:4427 190:9772 191:1573 192:11415 193:9513 194:7932 195:5702 196:3617 197:3891 198:6108 199:8813 200:8067 201:6369 202:10554 203:10723 204:4623 205:3639 206:4445 207:3721 208:4321 209:5353 210:4722 211:2718 212:4899 213:3956 214:1032 215:52 216:7102 217:3511 218:1599 219:416 220:2203 221:1250 222:753 223:3127 End of report