IPv4 R&E Routing Table Report 18:40 GMT Tue 16 Sep, 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: 1037725 Prefixes after maximum aggregation (per Origin AS): 389777 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 494292 Number of IPv4 prefixes with a valid ROA: 594840 Number of IPv4 prefixes with an invalid ROA: 2772 Number of IPv4 prefixes with no ROA: 440113 Total ASes present in the Internet Routing Table: 77481 Prefixes per ASN: 13.39 Origin-only ASes present in the Internet Routing Table: 66424 Origin ASes announcing only one prefix: 26494 Transit ASes present in the Internet Routing Table: 11057 Transit-only ASes present in the Internet Routing Table: 551 Paths with bogon ASNs present in the IPv4 Routing Table: 148 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: 1175 Number of instances of unregistered ASNs: 1214 Number of 32-bit ASNs allocated by the RIRs: 47428 Number of 32-bit ASNs visible in the Routing Table: 39066 Prefixes from 32-bit ASNs in the Routing Table: 222357 Number of bogon 32-bit ASNs visible in the Routing Table: 109 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 457 Number of addresses announced to Internet: 3110402304 Equivalent to 185 /8s, 100 /16s and 249 /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: 342963 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 273984 Total APNIC prefixes after maximum aggregation: 79479 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 263939 Unique aggregates announced from the APNIC address blocks: 105517 APNIC Region origin ASes present in the Internet Routing Table: 14818 APNIC Prefixes per ASN: 17.81 APNIC Region origin ASes announcing only one prefix: 4481 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: 10380 Number of APNIC addresses announced to Internet: 751017728 Equivalent to 44 /8s, 195 /16s and 159 /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: 298635 Total ARIN prefixes after maximum aggregation: 133837 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 300412 Unique aggregates announced from the ARIN address blocks: 142570 ARIN Region origin ASes present in the Internet Routing Table: 19310 ARIN Prefixes per ASN: 15.56 ARIN Region origin ASes announcing only one prefix: 7068 ARIN Region transit ASes present in the Internet Routing Table: 1969 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: 5337 Number of ARIN addresses announced to Internet: 1350726400 Equivalent to 80 /8s, 130 /16s and 115 /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: 287156 Total RIPE prefixes after maximum aggregation: 138418 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 285979 Unique aggregates announced from the RIPE address blocks: 180046 RIPE Region origin ASes present in the Internet Routing Table: 29142 RIPE Prefixes per ASN: 9.81 RIPE Region origin ASes announcing only one prefix: 12095 RIPE Region transit ASes present in the Internet Routing Table: 4006 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12752 Number of RIPE addresses announced to Internet: 733067008 Equivalent to 43 /8s, 177 /16s and 183 /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: 138633 Total LACNIC prefixes after maximum aggregation: 30256 LACNIC Deaggregation factor: 4.58 Prefixes being announced from the LACNIC address blocks: 134631 Unique aggregates announced from the LACNIC address blocks: 49396 LACNIC Region origin ASes present in the Internet Routing Table: 11296 LACNIC Prefixes per ASN: 11.92 LACNIC Region origin ASes announcing only one prefix: 2187 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: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9255 Number of LACNIC addresses announced to Internet: 170800128 Equivalent to 10 /8s, 46 /16s and 52 /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: 38142 Total AfriNIC prefixes after maximum aggregation: 7023 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 52307 Unique aggregates announced from the AfriNIC address blocks: 16358 AfriNIC Region origin ASes present in the Internet Routing Table: 1979 AfriNIC Prefixes per ASN: 26.43 AfriNIC Region origin ASes announcing only one prefix: 663 AfriNIC Region transit ASes present in the Internet Routing Table: 392 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: 1342 Number of AfriNIC addresses announced to Internet: 104542464 Equivalent to 6 /8s, 59 /16s and 49 /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 13385 8759 112 CHINAMOBILE-CN China Mobile Communication 7545 6153 837 598 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4461 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 3937 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3723 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3318 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3029 811 178 CMNET-JIANGSU-AP China Mobile communicati 24560 2922 863 504 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2207 429 197 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 14480 40920 5363 AMAZON-02, US 174 5127 8765 823 COGENT-174, US 11492 4735 319 809 CABLEONE, US 22773 3950 3061 311 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3665 1320 81 SHAW, CA 396982 3240 4002 447 GOOGLE-CLOUD-PLATFORM, US 749 3221 54766 2472 DNIC-AS-00749, US 16625 3065 1300 2207 AKAMAI-AS, US 4155 3003 233 1730 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 7464 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4042 3395 128 AKAMAI-ASN1, NL 9009 3961 369 2199 M247, RO 12389 3127 2315 869 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2634 585 29 EMIRATES-INTERNET Emirates Internet, AE 212238 2417 172 1750 CDNEXT, GB 34984 2415 363 574 TELLCOM-AS, TR 203020 1963 230 913 HOSTROYALE, IN 8452 1627 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 12419 3280 573 UNINET, MX 10620 3494 473 1048 Telmex Colombia S.A., CO 13999 2544 511 348 Mega Cable, S.A. de C.V., MX 11830 1986 369 64 Instituto Costarricense de Electricidad y 28573 1580 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1226 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1182 371 22 Telefonica del Peru S.A.A., PE 22884 1064 71 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1009 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 1821 652 28 RAYA-AS, EG 36992 1511 1498 383 ETISALAT-MISR, EG 20011 1320 205 346 NTT-DATA-Inc, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1246 389 20 LINKdotNET-AS, EG 29571 1241 102 51 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1078 523 46 Vodafone-, EG 36914 570 82 3 KENET-AS, KE 3741 565 725 321 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 14480 40920 5363 AMAZON-02, US 9808 13385 8759 112 CHINAMOBILE-CN China Mobile Communication 8151 12419 3280 573 UNINET, MX 12479 7464 1711 149 UNI2-AS, ES 7545 6153 837 598 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5127 8765 823 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4735 319 809 CABLEONE, US 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4461 347 26 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 13385 13273 CHINAMOBILE-CN China Mobile Communications Grou 8151 12419 11846 UNINET, MX 12479 7464 7315 UNI2-AS, ES 7545 6153 5555 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4461 4435 FPT-AS-AP FPT Telecom Company, VN 174 5127 4304 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4735 3926 CABLEONE, US 20940 4042 3914 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 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 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, 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 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /14:1215 /15:2174 /16:13875 /17:8351 /18:13759 /19:25152 /20:45458 /21:53454 /22:115198 /23:111263 /24:646784 /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 6587 12419 UNINET, MX 12479 6428 7464 UNI2-AS, ES 11492 3550 4735 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3464 3665 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2512 3950 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2462 14480 AMAZON-02, US 30036 2302 2644 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3494 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) ---------------------------------------------- 1:2445 2:1668 3:931 4:10 5:5204 6:157 7:6 8:1569 9:4 11:172 12:1250 13:566 14:2625 15:400 16:303 17:389 18:910 20:590 21:4 22:188 23:7959 24:2812 25:2 27:2859 29:19 30:1 31:3539 32:39 33:1 34:88 35:275 36:4372 37:4682 38:10696 39:1070 40:285 41:4591 42:1974 43:2854 44:386 45:20630 46:5233 47:371 49:2178 50:2065 51:592 52:1610 54:372 55:1085 56:11 57:296 58:2286 59:1355 60:1189 61:3100 62:3110 63:1791 64:5702 65:2142 66:4980 67:3153 68:1113 69:4076 70:1046 71:642 72:3010 74:2879 75:1524 76:605 77:2911 78:1939 79:1760 80:2280 81:2118 82:3351 83:1514 84:1998 85:3521 86:1198 87:2406 88:1375 89:4690 90:798 91:8548 92:2870 93:3002 94:4311 95:4604 96:1521 97:312 98:951 99:762 100:71 101:1483 102:4752 103:33292 104:5345 105:1063 106:878 107:2660 108:1240 109:4261 110:2246 111:3720 112:2560 113:1880 114:2005 115:2421 116:2145 117:2852 118:3083 119:1987 120:2266 121:1384 122:2841 123:2553 124:1782 125:2907 126:91 128:1610 129:1006 130:1320 131:2319 132:803 133:461 134:1616 135:412 136:1498 137:1146 138:3192 139:1606 140:1636 141:1556 142:1943 143:2152 144:1275 145:626 146:2192 147:2139 148:2748 149:2980 150:1285 151:2481 152:2421 153:640 154:7904 155:2071 156:3500 157:2099 158:1439 159:2569 160:3693 161:2003 162:3952 163:2334 164:1983 165:2602 166:1565 167:2127 168:4137 169:795 170:5793 171:1011 172:4287 173:3436 174:906 175:1370 176:3960 177:5975 178:4375 179:2706 180:2689 181:4424 182:3714 183:2582 184:2117 185:21982 186:6011 187:5166 188:4409 189:4696 190:10089 191:1787 192:11473 193:9544 194:7967 195:5755 196:3706 197:4034 198:6156 199:8704 200:8640 201:6641 202:10668 203:10877 204:4580 205:3645 206:4576 207:3547 208:4331 209:5296 210:4836 211:2697 212:4751 213:3923 214:1042 215:52 216:6928 217:3483 218:1483 219:423 220:2160 221:1255 222:752 223:2989 End of report