This is an automated weekly mailing describing the state of the Global IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats@lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 27 Dec, 2025 IPv4 BGP Table (Global) as seen at Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 1024767 Prefixes after maximum aggregation (per Origin AS): 394615 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 505865 Number of IPv4 prefixes with a valid ROA: 603996 Number of IPv4 prefixes with an invalid ROA: 1569 Number of IPv4 prefixes with no ROA: 419202 Total ASes present in the Internet Routing Table: 77673 Prefixes per ASN: 13.19 Origin-only ASes present in the Internet Routing Table: 66752 Origin ASes announcing only one prefix: 27110 Transit ASes present in the Internet Routing Table: 10921 Transit-only ASes present in the Internet Routing Table: 547 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 69 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 967 Number of instances of unregistered ASNs: 1005 Number of 32-bit ASNs allocated by the RIRs: 48313 Number of 32-bit ASNs visible in the Routing Table: 39535 Prefixes from 32-bit ASNs in the Routing Table: 219802 Number of bogon 32-bit ASNs visible in the Routing Table: 107 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 625 Number of addresses announced to Internet: 3106737024 Equivalent to 185 /8s, 45 /16s and 11 /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: 334716 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 278257 Total APNIC prefixes after maximum aggregation: 81423 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 264734 Unique aggregates announced from the APNIC address blocks: 106366 APNIC Region origin ASes present in the Internet Routing Table: 14965 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 4566 APNIC Region transit ASes present in the Internet Routing Table: 1978 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10519 Number of APNIC addresses announced to Internet: 754221568 Equivalent to 44 /8s, 244 /16s and 130 /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: 300338 Total ARIN prefixes after maximum aggregation: 134999 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 300613 Unique aggregates announced from the ARIN address blocks: 145664 ARIN Region origin ASes present in the Internet Routing Table: 19370 ARIN Prefixes per ASN: 15.52 ARIN Region origin ASes announcing only one prefix: 7053 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5420 Number of ARIN addresses announced to Internet: 1343116544 Equivalent to 80 /8s, 14 /16s and 85 /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: 283023 Total RIPE prefixes after maximum aggregation: 139990 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 283883 Unique aggregates announced from the RIPE address blocks: 184021 RIPE Region origin ASes present in the Internet Routing Table: 29124 RIPE Prefixes per ASN: 9.75 RIPE Region origin ASes announcing only one prefix: 12071 RIPE Region transit ASes present in the Internet Routing Table: 3947 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12895 Number of RIPE addresses announced to Internet: 735306112 Equivalent to 43 /8s, 211 /16s and 225 /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: 126031 Total LACNIC prefixes after maximum aggregation: 30630 LACNIC Deaggregation factor: 4.11 Prefixes being announced from the LACNIC address blocks: 121822 Unique aggregates announced from the LACNIC address blocks: 49760 LACNIC Region origin ASes present in the Internet Routing Table: 11335 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2519 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9333 Number of LACNIC addresses announced to Internet: 170550784 Equivalent to 10 /8s, 42 /16s and 102 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 36151 Total AfriNIC prefixes after maximum aggregation: 6917 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 53090 Unique aggregates announced from the AfriNIC address blocks: 19548 AfriNIC Region origin ASes present in the Internet Routing Table: 2003 AfriNIC Prefixes per ASN: 26.51 AfriNIC Region origin ASes announcing only one prefix: 736 AfriNIC Region transit ASes present in the Internet Routing Table: 389 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 42 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1368 Number of AfriNIC addresses announced to Internet: 103225600 Equivalent to 6 /8s, 39 /16s and 25 /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 13455 8945 104 CHINAMOBILE-CN China Mobile Communication 7545 6037 834 581 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5022 4193 77 ERX-CERNET-BKB China Education and Resear 9498 4655 542 333 BBIL-AP BHARTI Airtel Ltd., IN 7552 4043 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3729 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3389 831 184 CMNET-JIANGSU-AP China Mobile communicati 45899 3330 1868 98 VNPT-AS-VN VNPT Corp, VN 17561 3171 199 637 LCS-AS-AP LARUS Limited, HK 24560 2961 865 500 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14000 38461 5440 AMAZON-02, US 22773 4747 3116 377 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4688 311 948 CABLEONE, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3690 1320 82 SHAW, CA 174 3467 8769 862 COGENT-174, US 396982 3316 4867 490 GOOGLE-CLOUD-PLATFORM, US 749 3144 54729 2395 DNIC-AS-00749, US 16625 2844 1218 2134 AKAMAI-AS, US 36352 2703 222 888 AS-COLOCROSSING, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7283 1711 149 UNI2-AS, ES 39891 4901 302 70 ALJAWWALSTC-AS, SA 9009 3963 369 2270 M247, RO 20940 3835 3394 122 AKAMAI-ASN1, NL 12389 3175 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2560 182 1860 CDNEXT, GB 34984 2421 371 575 TELLCOM-AS, TR 8452 1699 1852 14 TE-AS TE-AS, EG 203020 1617 242 783 HOSTROYALE, IN 13188 1607 100 27 TRIOLAN, UA Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12640 3277 590 UNINET, MX 10620 3434 457 1108 Telmex Colombia S.A., CO 13999 2488 506 351 Mega Cable, S.A. de C.V., MX 11830 1987 369 65 Instituto Costarricense de Electricidad y 11664 1371 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1369 2429 273 Claro NXT Telecomunicacoes Ltda, BR 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1259 371 22 Telefonica del Peru S.A.A., PE 22884 1057 67 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1011 2486 56 TIM SA, BR Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1952 484 24 RAYA-AS, EG 36992 1846 1538 335 ETISALAT-MISR, EG 24863 1264 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 37069 1100 1096 13 MOBINIL, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 36935 1059 519 31 Vodafone-, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 562 82 3 KENET-AS, KE 328608 546 48 160 Africa-on-Cloud-AS, ZA Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14000 38461 5440 AMAZON-02, US 9808 13455 8945 104 CHINAMOBILE-CN China Mobile Communication 8151 12640 3277 590 UNINET, MX 12479 7283 1711 149 UNI2-AS, ES 7545 6037 834 581 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5022 4193 77 ERX-CERNET-BKB China Education and Resear 39891 4901 302 70 ALJAWWALSTC-AS, SA 22773 4747 3116 377 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4688 311 948 CABLEONE, US 9498 4655 542 333 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13455 13351 CHINAMOBILE-CN China Mobile Communications Grou 8151 12640 12050 UNINET, MX 12479 7283 7134 UNI2-AS, ES 7545 6037 5456 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5022 4945 ERX-CERNET-BKB China Education and Research Net 39891 4901 4831 ALJAWWALSTC-AS, SA 22773 4747 4370 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4655 4322 BBIL-AP BHARTI Airtel Ltd., IN 7552 4043 4014 VIETEL-AS-AP Viettel Group, VN 7155 3861 3776 VIASAT-SP-BACKBONE, US Complete listing at https://thyme.apnic.net/current/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 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 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US Complete listing at https://thyme.apnic.net/current/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://thyme.apnic.net/current/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: 2516 KDDI KDDI CORPORATION, JP 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://thyme.apnic.net/current/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 /12:299 /13:580 /14:1200 /15:2094 /16:13717 /17:8308 /18:13587 /19:25066 /20:45680 /21:52654 /22:113608 /23:105994 /24:641118 /25:698 /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 6845 12640 UNINET, MX 12479 6214 7283 UNI2-AS, ES 39891 3587 4901 ALJAWWALSTC-AS, SA 11492 3533 4688 CABLEONE, US 6327 3478 3690 SHAW, CA 22773 3051 4747 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2456 14000 AMAZON-02, US 30036 2323 2666 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2214 3434 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1808 2:1517 3:978 4:10 5:4921 6:185 7:6 8:1523 9:10 11:172 12:1230 13:600 14:2664 15:417 16:274 17:383 18:914 20:587 21:4 22:188 23:8097 24:2562 25:2 27:2741 29:19 31:3394 32:32 33:1 34:81 35:290 36:4623 37:4526 38:10394 39:1220 40:437 41:4531 42:963 43:2871 44:411 45:19612 46:5060 47:397 49:2154 50:2057 51:598 52:1257 54:225 55:1129 56:11 57:311 58:2220 59:1408 60:1172 61:3063 62:3107 63:1761 64:5994 65:2124 66:5937 67:3235 68:1504 69:4200 70:1033 71:619 72:3082 74:2930 75:1516 76:601 77:2750 78:1928 79:1797 80:2317 81:2095 82:3939 83:1473 84:2030 85:3651 86:1099 87:2350 88:1362 89:4627 90:836 91:8432 92:2831 93:3001 94:4278 95:4550 96:1434 97:313 98:957 99:782 100:68 101:1269 102:4337 103:32293 104:5466 105:762 106:921 107:2815 108:1223 109:4263 110:2308 111:4054 112:2834 113:1684 114:2097 115:2240 116:2157 117:3180 118:2487 119:2110 120:2452 121:1566 122:2961 123:2286 124:1675 125:2968 126:125 128:1587 129:966 130:1547 131:2247 132:762 133:462 134:1640 135:539 136:1500 137:1274 138:3010 139:1589 140:1831 141:1560 142:2437 143:2135 144:1366 145:626 146:2192 147:2139 148:2787 149:2912 150:1314 151:2574 152:2262 153:820 154:9541 155:2274 156:4759 157:2243 158:1474 159:2733 160:3649 161:1993 162:3988 163:2325 164:1961 165:2641 166:1312 167:2199 168:3924 169:812 170:5458 171:1119 172:4529 173:3424 174:903 175:1343 176:3788 177:4734 178:4317 179:2292 180:2849 181:4357 182:3871 183:2459 184:2051 185:21690 186:5530 187:4778 188:4536 189:4465 190:9673 191:1536 192:11446 193:9522 194:7872 195:5664 196:3270 197:3199 198:6231 199:6110 200:8225 201:6381 202:10710 203:10528 204:4674 205:3770 206:4435 207:3956 208:4353 209:5503 210:4983 211:2774 212:4945 213:4039 214:1063 215:54 216:7111 217:3456 218:1662 219:581 220:2190 221:1295 222:917 223:3255 End of report