IPv4 R&E Routing Table Report 18:40 GMT Thu 18 Dec, 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: 1050763 Prefixes after maximum aggregation (per Origin AS): 395485 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 504928 Number of IPv4 prefixes with a valid ROA: 623294 Number of IPv4 prefixes with an invalid ROA: 2866 Number of IPv4 prefixes with no ROA: 424603 Total ASes present in the Internet Routing Table: 77883 Prefixes per ASN: 13.49 Origin-only ASes present in the Internet Routing Table: 66719 Origin ASes announcing only one prefix: 26821 Transit ASes present in the Internet Routing Table: 11164 Transit-only ASes present in the Internet Routing Table: 573 Paths with bogon ASNs present in the IPv4 Routing Table: 181 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 215 Max AS path prepend of ASN (207138) 206 Prefixes from unregistered ASNs in the Routing Table: 1023 Number of instances of unregistered ASNs: 1085 Number of 32-bit ASNs allocated by the RIRs: 48229 Number of 32-bit ASNs visible in the Routing Table: 39628 Prefixes from 32-bit ASNs in the Routing Table: 226972 Number of bogon 32-bit ASNs visible in the Routing Table: 159 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 764 Number of addresses announced to Internet: 3108373760 Equivalent to 185 /8s, 70 /16s and 5 /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: 345929 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 284369 Total APNIC prefixes after maximum aggregation: 81479 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 270815 Unique aggregates announced from the APNIC address blocks: 106552 APNIC Region origin ASes present in the Internet Routing Table: 15002 APNIC Prefixes per ASN: 18.05 APNIC Region origin ASes announcing only one prefix: 4552 APNIC Region transit ASes present in the Internet Routing Table: 2020 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: 10548 Number of APNIC addresses announced to Internet: 755272960 Equivalent to 45 /8s, 4 /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: 303067 Total ARIN prefixes after maximum aggregation: 135013 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 303878 Unique aggregates announced from the ARIN address blocks: 145457 ARIN Region origin ASes present in the Internet Routing Table: 19397 ARIN Prefixes per ASN: 15.67 ARIN Region origin ASes announcing only one prefix: 7079 ARIN Region transit ASes present in the Internet Routing Table: 1971 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: 5433 Number of ARIN addresses announced to Internet: 1343144192 Equivalent to 80 /8s, 14 /16s and 193 /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: 289565 Total RIPE prefixes after maximum aggregation: 140431 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 290077 Unique aggregates announced from the RIPE address blocks: 184025 RIPE Region origin ASes present in the Internet Routing Table: 29209 RIPE Prefixes per ASN: 9.93 RIPE Region origin ASes announcing only one prefix: 12079 RIPE Region transit ASes present in the Internet Routing Table: 4022 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12936 Number of RIPE addresses announced to Internet: 735392000 Equivalent to 43 /8s, 213 /16s and 49 /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: 133913 Total LACNIC prefixes after maximum aggregation: 30659 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 129434 Unique aggregates announced from the LACNIC address blocks: 49696 LACNIC Region origin ASes present in the Internet Routing Table: 11343 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2413 LACNIC Region transit ASes present in the Internet Routing Table: 2577 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9341 Number of LACNIC addresses announced to Internet: 170602240 Equivalent to 10 /8s, 43 /16s and 47 /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: 38826 Total AfriNIC prefixes after maximum aggregation: 7205 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 55795 Unique aggregates announced from the AfriNIC address blocks: 18587 AfriNIC Region origin ASes present in the Internet Routing Table: 2008 AfriNIC Prefixes per ASN: 27.79 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 386 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: 1370 Number of AfriNIC addresses announced to Internet: 103598336 Equivalent to 6 /8s, 44 /16s and 201 /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 13397 8758 119 CHINAMOBILE-CN China Mobile Communication 7545 6039 834 582 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4626 541 341 BBIL-AP BHARTI Airtel Ltd., IN 18403 4442 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4016 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3759 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 4538 3439 4193 76 ERX-CERNET-BKB China Education and Resear 56046 3375 831 184 CMNET-JIANGSU-AP China Mobile communicati 45899 3330 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2960 865 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 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 14034 38460 5453 AMAZON-02, US 22773 4777 3115 367 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4686 311 948 CABLEONE, US 174 4481 8767 858 COGENT-174, US 7155 3868 287 89 VIASAT-SP-BACKBONE, US 6327 3690 1320 83 SHAW, CA 396982 3319 4867 493 GOOGLE-CLOUD-PLATFORM, US 749 3142 54729 2393 DNIC-AS-00749, US 16625 2979 1279 2178 AKAMAI-AS, US 36352 2816 229 911 AS-COLOCROSSING, 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 7294 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 3993 372 2270 M247, RO 20940 3958 3394 124 AKAMAI-ASN1, NL 12389 3170 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2638 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2556 182 1857 CDNEXT, GB 34984 2419 363 574 TELLCOM-AS, TR 203020 1619 242 783 HOSTROYALE, IN 13188 1607 100 27 TRIOLAN, UA 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 12732 3285 586 UNINET, MX 10620 3434 457 1108 Telmex Colombia S.A., CO 13999 2498 508 354 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 28573 1369 2429 273 Claro NXT Telecomunicacoes Ltda, BR 11664 1352 278 33 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1263 371 22 Telefonica del Peru S.A.A., PE 22884 1057 67 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1025 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 1944 482 23 RAYA-AS, EG 36992 1824 1531 424 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1265 389 16 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 37069 1084 1096 13 MOBINIL, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 36935 1047 520 32 Vodafone-, EG 36914 562 82 3 KENET-AS, KE 3741 559 725 326 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 14034 38460 5453 AMAZON-02, US 9808 13397 8758 119 CHINAMOBILE-CN China Mobile Communication 8151 12732 3285 586 UNINET, MX 12479 7294 1711 149 UNI2-AS, ES 7545 6039 834 582 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 22773 4777 3115 367 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4686 311 948 CABLEONE, US 9498 4626 541 341 BBIL-AP BHARTI Airtel Ltd., IN 174 4481 8767 858 COGENT-174, US 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 13397 13278 CHINAMOBILE-CN China Mobile Communications Grou 8151 12732 12146 UNINET, MX 12479 7294 7145 UNI2-AS, ES 7545 6039 5457 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4442 4418 FPT-AS-AP FPT Telecom Company, VN 22773 4777 4410 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4626 4285 BBIL-AP BHARTI Airtel Ltd., IN 7552 4016 3988 VIETEL-AS-AP Viettel Group, VN 20940 3958 3834 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 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 6461 ZAYO-6461, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, US 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, 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 23.137.48.0/24 Origin: 16904 ARVIG-16904, US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 37100 SEACOM-AS, MU 23.140.180.0/24 Origin: 401371 DEEP-TO-ONE-INC, US 23.140.180.0/24 Transit: 154309 INTELLIGENT1-AS-AP Intelligent Cloud Lim 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 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 /12:300 /13:582 /14:1209 /15:2123 /16:13787 /17:8406 /18:13911 /19:25334 /20:46608 /21:53734 /22:115454 /23:111254 /24:657897 /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 6898 12732 UNINET, MX 12479 6225 7294 UNI2-AS, ES 11492 3531 4686 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3478 3690 SHAW, CA 22773 3049 4777 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2827 3868 VIASAT-SP-BACKBONE, US 16509 2457 14034 AMAZON-02, US 30036 2319 2662 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2214 3434 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) ---------------------------------------------- 1:2483 2:1673 3:974 4:10 5:5343 6:187 7:6 8:1530 9:10 11:172 12:1229 13:599 14:2625 15:417 16:290 17:390 18:914 20:608 21:4 22:188 23:8182 24:2677 25:2 27:2855 29:19 31:3527 32:39 33:1 34:88 35:290 36:4643 37:4620 38:11217 39:1215 40:449 41:4761 42:1980 43:2946 44:420 45:20372 46:5202 47:398 49:2178 50:2065 51:597 52:1313 54:229 55:1009 56:11 57:313 58:2349 59:1424 60:1201 61:3330 62:3148 63:1759 64:6068 65:2125 66:6000 67:3251 68:1533 69:4343 70:1034 71:631 72:3115 74:2972 75:1528 76:603 77:2894 78:1933 79:1819 80:2323 81:2126 82:3922 83:1528 84:2055 85:3654 86:1199 87:2360 88:1372 89:4647 90:836 91:8529 92:2921 93:3031 94:4381 95:4598 96:1486 97:313 98:951 99:783 100:68 101:1336 102:4761 103:32822 104:5520 105:1122 106:933 107:2819 108:1224 109:4309 110:2310 111:4044 112:2822 113:1971 114:2107 115:2398 116:2291 117:3181 118:3036 119:2148 120:2451 121:1563 122:2995 123:2776 124:1760 125:2970 126:125 128:1614 129:1001 130:1564 131:2361 132:766 133:462 134:1658 135:573 136:1512 137:1241 138:3148 139:1608 140:1779 141:1581 142:2432 143:2154 144:1406 145:629 146:2200 147:2150 148:2792 149:3028 150:1335 151:2635 152:2274 153:854 154:9767 155:2301 156:4507 157:2284 158:1484 159:2726 160:3802 161:2031 162:4012 163:2341 164:1987 165:2650 166:1308 167:2208 168:4060 169:822 170:5609 171:1116 172:4559 173:3459 174:904 175:1370 176:3905 177:5270 178:4426 179:2460 180:2900 181:4569 182:3875 183:2666 184:2088 185:21992 186:6032 187:4962 188:4496 189:4677 190:9985 191:1629 192:11468 193:9577 194:8013 195:5810 196:3685 197:3977 198:6107 199:6134 200:8497 201:6563 202:10910 203:10815 204:4638 205:3699 206:4458 207:3822 208:4387 209:5523 210:4984 211:2782 212:4957 213:4106 214:1061 215:54 216:7172 217:3633 218:1663 219:519 220:2201 221:1294 222:902 223:3283 End of report