This is an automated weekly mailing describing the state of the Global IPv4 Routing Table as seen from APNIC's router in Singapore. 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 . IPv4 Routing Table Report 07:00 +10GMT Sat 17 Jan, 2026 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 1023102 Prefixes after maximum aggregation (per Origin AS): 394771 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 506820 Number of IPv4 prefixes with a valid ROA: 609710 Number of IPv4 prefixes with an invalid ROA: 52 Number of IPv4 prefixes with no ROA: 413340 Total ASes present in the Internet Routing Table: 77704 Prefixes per ASN: 13.17 Origin-only ASes present in the Internet Routing Table: 66694 Origin ASes announcing only one prefix: 27200 Transit ASes present in the Internet Routing Table: 11010 Transit-only ASes present in the Internet Routing Table: 557 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 43 Max AS path prepend of ASN ( 37447) 39 Prefixes from unregistered ASNs in the Routing Table: 986 Number of instances of unregistered ASNs: 1016 Number of 32-bit ASNs allocated by the RIRs: 48411 Number of 32-bit ASNs visible in the Routing Table: 39628 Prefixes from 32-bit ASNs in the Routing Table: 219136 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 474 Number of addresses announced to Internet: 3105380352 Equivalent to 185 /8s, 24 /16s and 88 /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: 333988 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 277765 Total APNIC prefixes after maximum aggregation: 81634 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 264473 Unique aggregates announced from the APNIC address blocks: 106866 APNIC Region origin ASes present in the Internet Routing Table: 14982 APNIC Prefixes per ASN: 17.65 APNIC Region origin ASes announcing only one prefix: 4587 APNIC Region transit ASes present in the Internet Routing Table: 2016 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10551 Number of APNIC addresses announced to Internet: 753585408 Equivalent to 44 /8s, 234 /16s and 205 /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: 300490 Total ARIN prefixes after maximum aggregation: 134953 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 300396 Unique aggregates announced from the ARIN address blocks: 146039 ARIN Region origin ASes present in the Internet Routing Table: 19385 ARIN Prefixes per ASN: 15.50 ARIN Region origin ASes announcing only one prefix: 7081 ARIN Region transit ASes present in the Internet Routing Table: 1907 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5446 Number of ARIN addresses announced to Internet: 1344290048 Equivalent to 80 /8s, 32 /16s and 61 /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: 281560 Total RIPE prefixes after maximum aggregation: 139695 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 283368 Unique aggregates announced from the RIPE address blocks: 184263 RIPE Region origin ASes present in the Internet Routing Table: 29106 RIPE Prefixes per ASN: 9.74 RIPE Region origin ASes announcing only one prefix: 12098 RIPE Region transit ASes present in the Internet Routing Table: 3983 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12915 Number of RIPE addresses announced to Internet: 733511680 Equivalent to 43 /8s, 184 /16s and 128 /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: 125815 Total LACNIC prefixes after maximum aggregation: 30868 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 121627 Unique aggregates announced from the LACNIC address blocks: 49798 LACNIC Region origin ASes present in the Internet Routing Table: 11343 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2539 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: 9343 Number of LACNIC addresses announced to Internet: 170505984 Equivalent to 10 /8s, 41 /16s and 183 /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: 36486 Total AfriNIC prefixes after maximum aggregation: 6950 AfriNIC Deaggregation factor: 5.25 Prefixes being announced from the AfriNIC address blocks: 52764 Unique aggregates announced from the AfriNIC address blocks: 19456 AfriNIC Region origin ASes present in the Internet Routing Table: 2008 AfriNIC Prefixes per ASN: 26.28 AfriNIC Region origin ASes announcing only one prefix: 748 AfriNIC Region transit ASes present in the Internet Routing Table: 384 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 43 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1373 Number of AfriNIC addresses announced to Internet: 103202304 Equivalent to 6 /8s, 38 /16s and 190 /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 13498 8727 117 CHINAMOBILE-CN China Mobile Communication 7545 6027 833 573 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4679 543 340 BBIL-AP BHARTI Airtel Ltd., IN 18403 4402 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4052 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3729 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3415 831 182 CMNET-JIANGSU-AP China Mobile communicati 45899 3327 1868 97 VNPT-AS-VN VNPT Corp, VN 24560 2959 865 498 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 17561 2805 176 556 LCS-AS-AP LARUS Limited, HK Complete listing at https://thyme.apnic.net/singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14058 38738 5430 AMAZON-02, US 22773 4777 3099 365 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4635 308 1031 CABLEONE, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3698 1321 70 SHAW, CA 396982 3326 4868 497 GOOGLE-CLOUD-PLATFORM, US 174 3178 8768 838 COGENT-174, US 749 3145 54729 2396 DNIC-AS-00749, US 16625 2840 1219 2130 AKAMAI-AS, US 36352 2708 223 890 AS-COLOCROSSING, US Complete listing at https://thyme.apnic.net/singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7240 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 9009 3906 365 2233 M247, RO 20940 3850 3393 111 AKAMAI-ASN1, NL 12389 3151 2317 870 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2574 183 1871 CDNEXT, GB 34984 2424 372 576 TELLCOM-AS, TR 8452 1712 1852 14 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 8551 1383 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Complete listing at https://thyme.apnic.net/singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12674 3300 603 UNINET, MX 10620 3432 457 1107 Telmex Colombia S.A., CO 13999 2486 508 350 Mega Cable, S.A. de C.V., MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 28573 1375 2430 272 Claro NXT Telecomunicacoes Ltda, BR 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1256 371 22 Telefonica del Peru S.A.A., PE 22884 1057 67 358 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1013 2486 56 TIM SA, BR 18881 904 1127 31 TELEFONICA BRASIL S.A, BR Complete listing at https://thyme.apnic.net/singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1982 638 33 RAYA-AS, EG 36992 1850 1534 342 ETISALAT-MISR, EG 24863 1276 389 16 LINKdotNET-AS, EG 36903 1230 555 98 MT-MPLS, MA 36935 1146 524 47 Vodafone-, EG 37069 1101 1096 13 MOBINIL, EG 29571 1070 78 20 ORANGE-COTE-IVOIRE, CI 20011 634 172 254 NTT-DATA-Inc, ZA 36914 576 82 3 KENET-AS, KE 328608 567 48 164 Africa-on-Cloud-AS, ZA Complete listing at https://thyme.apnic.net/singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14058 38738 5430 AMAZON-02, US 9808 13498 8727 117 CHINAMOBILE-CN China Mobile Communication 8151 12674 3300 603 UNINET, MX 12479 7240 1711 149 UNI2-AS, ES 7545 6027 833 573 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4777 3099 365 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4679 543 340 BBIL-AP BHARTI Airtel Ltd., IN 11492 4635 308 1031 CABLEONE, US 18403 4402 347 24 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://thyme.apnic.net/singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13498 13381 CHINAMOBILE-CN China Mobile Communications Grou 8151 12674 12071 UNINET, MX 12479 7240 7091 UNI2-AS, ES 7545 6027 5454 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4777 4412 ASN-CXA-ALL-CCI-22773-RDC, US 18403 4402 4378 FPT-AS-AP FPT Telecom Company, VN 9498 4679 4339 BBIL-AP BHARTI Airtel Ltd., IN 7552 4052 4023 VIETEL-AS-AP Viettel Group, VN 7155 3861 3776 VIASAT-SP-BACKBONE, US Complete listing at https://thyme.apnic.net/singapore/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 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 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4, US 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3, US Complete listing at https://thyme.apnic.net/singapore/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/singapore/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: 174 COGENT-174, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 174 COGENT-174, 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://thyme.apnic.net/singapore/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 /10:40 /11:93 /12:302 /13:581 /14:1204 /15:2095 /16:13686 /17:8215 /18:13446 /19:24729 /20:44656 /21:51964 /22:113174 /23:105834 /24:643048 /25:2 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:3 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6855 12674 UNINET, MX 12479 6171 7240 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3497 4635 CABLEONE, US 6327 3479 3698 SHAW, CA 22773 3049 4777 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2494 14058 AMAZON-02, US 30036 2318 2660 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3432 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2490 2:1496 3:975 4:9 5:4998 6:185 7:6 8:1502 9:14 11:172 12:1226 13:625 14:2638 15:419 16:203 17:390 18:917 20:595 21:4 22:188 23:8151 24:2671 25:2 27:2797 29:19 31:3402 32:30 34:81 35:291 36:4619 37:4512 38:9840 39:1247 40:439 41:4506 42:1944 43:2916 44:414 45:19505 46:4916 47:394 49:2161 50:2066 51:598 52:1254 54:235 55:1117 56:11 57:306 58:2291 59:1343 60:1171 61:3122 62:3109 63:1760 64:6167 65:2140 66:5978 67:3271 68:1490 69:4219 70:1017 71:617 72:3058 74:2950 75:1517 76:605 77:2753 78:1919 79:1798 80:2284 81:2079 82:4008 83:1462 84:2024 85:3671 86:1095 87:2195 88:1351 89:4613 90:827 91:8402 92:2842 93:3007 94:4258 95:4519 96:1456 97:312 98:956 99:783 100:69 101:1543 102:4341 103:32248 104:5413 105:769 106:908 107:2820 108:1225 109:4215 110:2279 111:4052 112:3075 113:1936 114:2165 115:2240 116:2159 117:3279 118:2914 119:2078 120:2580 121:1511 122:2951 123:2291 124:1651 125:2947 126:125 128:1580 129:951 130:1545 131:2275 132:770 133:461 134:1628 135:534 136:1628 137:1277 138:2993 139:1597 140:1766 141:1557 142:2466 143:2133 144:1549 145:631 146:2201 147:2269 148:2817 149:2895 150:1312 151:2600 152:2246 153:846 154:9456 155:2263 156:4394 157:2231 158:1490 159:2739 160:3720 161:1986 162:3995 163:2317 164:1972 165:2636 166:1301 167:2191 168:3932 169:843 170:5450 171:1117 172:4540 173:3431 174:893 175:1336 176:3773 177:4702 178:4252 179:2300 180:2958 181:4353 182:3884 183:2719 184:2036 185:21635 186:5523 187:4813 188:4595 189:4486 190:9655 191:1516 192:11433 193:9468 194:7816 195:5672 196:3282 197:3305 198:6225 199:6117 200:8176 201:6380 202:10557 203:10502 204:4688 205:3755 206:4405 207:3959 208:4381 209:5457 210:4737 211:2684 212:4944 213:4029 214:1068 215:54 216:7151 217:3453 218:1617 219:419 220:2184 221:1310 222:873 223:3268 End of report