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 20 Sep, 2025 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: 999960 Prefixes after maximum aggregation (per Origin AS): 389059 Deaggregation factor: 2.57 Unique aggregates announced (without unneeded subnets): 494906 Number of IPv4 prefixes with a valid ROA: 570829 Number of IPv4 prefixes with an invalid ROA: 403 Number of IPv4 prefixes with no ROA: 428728 Total ASes present in the Internet Routing Table: 77257 Prefixes per ASN: 12.94 Origin-only ASes present in the Internet Routing Table: 66292 Origin ASes announcing only one prefix: 27083 Transit ASes present in the Internet Routing Table: 10965 Transit-only ASes present in the Internet Routing Table: 537 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 49 Max AS path prepend of ASN (212940) 45 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1086 Number of 32-bit ASNs allocated by the RIRs: 47507 Number of 32-bit ASNs visible in the Routing Table: 38943 Prefixes from 32-bit ASNs in the Routing Table: 209628 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: 428 Number of addresses announced to Internet: 3111359232 Equivalent to 185 /8s, 115 /16s and 147 /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: 325827 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 266795 Total APNIC prefixes after maximum aggregation: 79214 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 257143 Unique aggregates announced from the APNIC address blocks: 105598 APNIC Region origin ASes present in the Internet Routing Table: 14790 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 4513 APNIC Region transit ASes present in the Internet Routing Table: 1993 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10342 Number of APNIC addresses announced to Internet: 750476544 Equivalent to 44 /8s, 187 /16s and 93 /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: 293994 Total ARIN prefixes after maximum aggregation: 133859 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 295207 Unique aggregates announced from the ARIN address blocks: 142722 ARIN Region origin ASes present in the Internet Routing Table: 19301 ARIN Prefixes per ASN: 15.29 ARIN Region origin ASes announcing only one prefix: 7086 ARIN Region transit ASes present in the Internet Routing Table: 1915 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 42 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5330 Number of ARIN addresses announced to Internet: 1353201920 Equivalent to 80 /8s, 168 /16s and 57 /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: 278577 Total RIPE prefixes after maximum aggregation: 137885 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 277915 Unique aggregates announced from the RIPE address blocks: 180115 RIPE Region origin ASes present in the Internet Routing Table: 29037 RIPE Prefixes per ASN: 9.57 RIPE Region origin ASes announcing only one prefix: 12090 RIPE Region transit ASes present in the Internet Routing Table: 3976 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 49 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12693 Number of RIPE addresses announced to Internet: 732567808 Equivalent to 43 /8s, 170 /16s and 25 /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: 124663 Total LACNIC prefixes after maximum aggregation: 30536 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 120913 Unique aggregates announced from the LACNIC address blocks: 49451 LACNIC Region origin ASes present in the Internet Routing Table: 11289 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2505 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9249 Number of LACNIC addresses announced to Internet: 170607104 Equivalent to 10 /8s, 43 /16s and 66 /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: 34874 Total AfriNIC prefixes after maximum aggregation: 6874 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 48354 Unique aggregates announced from the AfriNIC address blocks: 16643 AfriNIC Region origin ASes present in the Internet Routing Table: 1962 AfriNIC Prefixes per ASN: 24.65 AfriNIC Region origin ASes announcing only one prefix: 716 AfriNIC Region transit ASes present in the Internet Routing Table: 384 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 41 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1329 Number of AfriNIC addresses announced to Internet: 104272896 Equivalent to 6 /8s, 55 /16s and 20 /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 13499 8727 113 CHINAMOBILE-CN China Mobile Communication 7545 6160 837 600 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4476 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4468 536 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3941 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3736 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3301 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 3074 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2923 863 505 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2169 427 180 TATACOMM-AS TATA Communications formerly 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 14407 40907 5404 AMAZON-02, US 11492 4737 320 807 CABLEONE, US 22773 3950 3046 312 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3859 286 85 VIASAT-SP-BACKBONE, US 6327 3678 1320 82 SHAW, CA 174 3310 8774 825 COGENT-174, US 396982 3264 4823 459 GOOGLE-CLOUD-PLATFORM, US 749 3221 54766 2472 DNIC-AS-00749, US 4155 3036 235 1728 USDA-1, US 16625 2939 1247 2180 AKAMAI-AS, 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 7459 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3927 3395 126 AKAMAI-ASN1, NL 9009 3914 368 2217 M247, RO 12389 3120 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2420 172 1753 CDNEXT, GB 34984 2414 363 573 TELLCOM-AS, TR 203020 1961 230 915 HOSTROYALE, IN 8452 1623 1852 14 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 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 12331 3251 584 UNINET, MX 10620 3494 473 1048 Telmex Colombia S.A., CO 13999 2541 511 346 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1369 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1353 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1184 371 22 Telefonica del Peru S.A.A., PE 22884 1063 68 361 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1010 2487 55 TIM SA, BR 11172 915 148 66 Alestra, S. de R.L. de C.V., MX 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 1813 652 28 RAYA-AS, EG 36992 1507 1498 383 ETISALAT-MISR, EG 36903 1250 554 97 MT-MPLS, MA 24863 1247 389 20 LINKdotNET-AS, EG 29571 1184 102 50 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1029 522 45 Vodafone-, EG 20011 634 172 254 NTT-DATA-Inc, ZA 3741 566 725 321 NTT-DATA-Inc, ZA 36914 561 82 3 KENET-AS, KE 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 14407 40907 5404 AMAZON-02, US 9808 13499 8727 113 CHINAMOBILE-CN China Mobile Communication 8151 12331 3251 584 UNINET, MX 12479 7459 1711 149 UNI2-AS, ES 7545 6160 837 600 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4737 320 807 CABLEONE, US 18403 4476 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4468 536 312 BBIL-AP BHARTI Airtel Ltd., IN 22773 3950 3046 312 ASN-CXA-ALL-CCI-22773-RDC, US Complete listing at https://thyme.apnic.net/singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13499 13386 CHINAMOBILE-CN China Mobile Communications Grou 8151 12331 11747 UNINET, MX 12479 7459 7310 UNI2-AS, ES 7545 6160 5560 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4476 4451 FPT-AS-AP FPT Telecom Company, VN 9498 4468 4156 BBIL-AP BHARTI Airtel Ltd., IN 11492 4737 3930 CABLEONE, US 7552 3941 3914 VIETEL-AS-AP Viettel Group, VN 20940 3927 3801 AKAMAI-ASN1, NL 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 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 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 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 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://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 /10:41 /11:93 /12:298 /13:580 /14:1210 /15:2151 /16:13760 /17:8197 /18:13392 /19:24498 /20:44209 /21:51852 /22:112281 /23:103464 /24:623899 /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 6554 12331 UNINET, MX 12479 6427 7459 UNI2-AS, ES 11492 3552 4737 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3466 3678 SHAW, CA 7155 2818 3859 VIASAT-SP-BACKBONE, US 22773 2507 3950 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2449 14407 AMAZON-02, US 30036 2295 2636 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3494 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2421 2:1518 3:935 4:10 5:4824 6:165 7:6 8:1540 9:6 11:172 12:1246 13:568 14:2611 15:399 16:303 17:386 18:903 20:572 21:4 22:188 23:7860 24:2706 25:2 27:2784 29:19 31:3360 32:29 33:1 34:81 35:268 36:4369 37:4538 38:9379 39:1076 40:283 41:4301 42:1976 43:2704 44:377 45:18797 46:5082 47:344 49:2014 50:2046 51:594 52:1607 54:373 55:1094 56:11 57:284 58:2244 59:1294 60:1187 61:2914 62:3038 63:1766 64:5632 65:2119 66:4876 67:3108 68:1085 69:3930 70:1032 71:629 72:2886 74:2832 75:1502 76:602 77:2774 78:1899 79:1758 80:2227 81:2080 82:3320 83:1443 84:1970 85:3487 86:1097 87:2123 88:1321 89:4495 90:809 91:8404 92:2786 93:2975 94:4150 95:4442 96:1484 97:312 98:952 99:761 100:71 101:1476 102:4099 103:32266 104:5303 105:777 106:879 107:2656 108:1218 109:4197 110:2239 111:3705 112:2611 113:1861 114:1994 115:2251 116:2072 117:2861 118:2988 119:1941 120:2234 121:1357 122:2787 123:2242 124:1706 125:2895 126:91 128:1565 129:955 130:1279 131:2123 132:790 133:461 134:1605 135:362 136:1486 137:1191 138:2793 139:1603 140:1644 141:1532 142:1914 143:2044 144:1262 145:623 146:2183 147:2109 148:2737 149:2895 150:1268 151:2519 152:2117 153:575 154:7416 155:2042 156:3431 157:1975 158:1425 159:2561 160:3545 161:1964 162:3919 163:2282 164:1907 165:2564 166:1558 167:2091 168:3822 169:775 170:5349 171:1007 172:4232 173:3406 174:902 175:1337 176:3801 177:4698 178:4175 179:2273 180:2599 181:4249 182:3726 183:2574 184:2070 185:21621 186:5410 187:4673 188:4276 189:4358 190:9701 191:1557 192:11385 193:9454 194:7795 195:5555 196:3295 197:3237 198:6230 199:8701 200:8233 201:6342 202:10368 203:10571 204:4557 205:3669 206:4549 207:3658 208:4257 209:5294 210:4708 211:2674 212:4692 213:3841 214:1038 215:52 216:6869 217:3321 218:1501 219:394 220:2144 221:1232 222:748 223:2971 End of report