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 06 Dec, 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: 1016288 Prefixes after maximum aggregation (per Origin AS): 393343 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 504459 Number of IPv4 prefixes with a valid ROA: 597018 Number of IPv4 prefixes with an invalid ROA: 161 Number of IPv4 prefixes with no ROA: 419109 Total ASes present in the Internet Routing Table: 77535 Prefixes per ASN: 13.11 Origin-only ASes present in the Internet Routing Table: 66521 Origin ASes announcing only one prefix: 27136 Transit ASes present in the Internet Routing Table: 11014 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: 937 Number of instances of unregistered ASNs: 966 Number of 32-bit ASNs allocated by the RIRs: 48158 Number of 32-bit ASNs visible in the Routing Table: 39401 Prefixes from 32-bit ASNs in the Routing Table: 216803 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: 435 Number of addresses announced to Internet: 3099981569 Equivalent to 184 /8s, 197 /16s and 247 /24s Percentage of available address space announced: 83.7 Percentage of allocated address space announced: 83.7 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: 332946 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 273534 Total APNIC prefixes after maximum aggregation: 80659 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 261162 Unique aggregates announced from the APNIC address blocks: 106136 APNIC Region origin ASes present in the Internet Routing Table: 14894 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 4550 APNIC Region transit ASes present in the Internet Routing Table: 2012 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10464 Number of APNIC addresses announced to Internet: 752801537 Equivalent to 44 /8s, 222 /16s and 215 /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: 298411 Total ARIN prefixes after maximum aggregation: 134445 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 298084 Unique aggregates announced from the ARIN address blocks: 145652 ARIN Region origin ASes present in the Internet Routing Table: 19371 ARIN Prefixes per ASN: 15.39 ARIN Region origin ASes announcing only one prefix: 7106 ARIN Region transit ASes present in the Internet Routing Table: 1912 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: 5425 Number of ARIN addresses announced to Internet: 1337442816 Equivalent to 79 /8s, 183 /16s and 194 /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: 281961 Total RIPE prefixes after maximum aggregation: 139894 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 282975 Unique aggregates announced from the RIPE address blocks: 183976 RIPE Region origin ASes present in the Internet Routing Table: 29099 RIPE Prefixes per ASN: 9.72 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 3995 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12848 Number of RIPE addresses announced to Internet: 735756800 Equivalent to 43 /8s, 218 /16s and 194 /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: 125754 Total LACNIC prefixes after maximum aggregation: 30797 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 121709 Unique aggregates announced from the LACNIC address blocks: 49702 LACNIC Region origin ASes present in the Internet Routing Table: 11321 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2540 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: 9315 Number of LACNIC addresses announced to Internet: 170674944 Equivalent to 10 /8s, 44 /16s and 75 /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: 35691 Total AfriNIC prefixes after maximum aggregation: 6914 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 51923 Unique aggregates announced from the AfriNIC address blocks: 18618 AfriNIC Region origin ASes present in the Internet Routing Table: 1987 AfriNIC Prefixes per ASN: 26.13 AfriNIC Region origin ASes announcing only one prefix: 730 AfriNIC Region transit ASes present in the Internet Routing Table: 381 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: 1349 Number of AfriNIC addresses announced to Internet: 103142912 Equivalent to 6 /8s, 37 /16s and 214 /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 13285 8727 117 CHINAMOBILE-CN China Mobile Communication 7545 6046 835 591 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4598 541 336 BBIL-AP BHARTI Airtel Ltd., IN 18403 4405 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4012 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3709 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3337 827 181 CMNET-JIANGSU-AP China Mobile communicati 45899 3320 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2951 864 504 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 140292 2515 275 1936 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK CH 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 14268 37208 5396 AMAZON-02, US 22773 4773 3099 367 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4715 313 913 CABLEONE, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3691 1320 83 SHAW, CA 396982 3312 4861 486 GOOGLE-CLOUD-PLATFORM, US 749 3208 54760 2459 DNIC-AS-00749, US 16625 2894 1241 2159 AKAMAI-AS, US 36352 2824 231 908 AS-COLOCROSSING, US 174 2711 8768 849 COGENT-174, 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 7282 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 3998 375 2291 M247, RO 20940 3876 3395 125 AKAMAI-ASN1, NL 12389 3151 2317 870 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2541 181 1839 CDNEXT, GB 34984 2423 363 575 TELLCOM-AS, TR 8452 1663 1852 14 TE-AS TE-AS, EG 203020 1613 241 784 HOSTROYALE, IN 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 12645 3291 577 UNINET, MX 10620 3457 463 1100 Telmex Colombia S.A., CO 13999 2508 509 352 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 28573 1373 2431 267 Claro NXT Telecomunicacoes Ltda, BR 3816 1344 777 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1265 371 22 Telefonica del Peru S.A.A., PE 22884 1056 67 358 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1016 2486 56 TIM SA, BR 18881 901 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 1924 368 14 RAYA-AS, EG 36992 1681 1509 399 ETISALAT-MISR, EG 24863 1260 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 37069 1093 1096 13 MOBINIL, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 36935 1036 519 30 Vodafone-, EG 20011 634 172 254 NTT-DATA-Inc, ZA 3741 561 725 325 NTT-DATA-Inc, ZA 36914 557 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 14268 37208 5396 AMAZON-02, US 9808 13285 8727 117 CHINAMOBILE-CN China Mobile Communication 8151 12645 3291 577 UNINET, MX 12479 7282 1711 149 UNI2-AS, ES 7545 6046 835 591 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 22773 4773 3099 367 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4715 313 913 CABLEONE, US 9498 4598 541 336 BBIL-AP BHARTI Airtel Ltd., IN 18403 4405 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 13285 13168 CHINAMOBILE-CN China Mobile Communications Grou 8151 12645 12068 UNINET, MX 12479 7282 7133 UNI2-AS, ES 7545 6046 5455 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 22773 4773 4406 ASN-CXA-ALL-CCI-22773-RDC, US 18403 4405 4381 FPT-AS-AP FPT Telecom Company, VN 9498 4598 4262 BBIL-AP BHARTI Airtel Ltd., IN 7552 4012 3984 VIETEL-AS-AP Viettel Group, VN 11492 4715 3802 CABLEONE, 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 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://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 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, US 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 23.141.0.0/24 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 /10:41 /11:94 /12:298 /13:581 /14:1203 /15:2094 /16:13674 /17:8201 /18:13425 /19:24693 /20:44519 /21:51942 /22:112862 /23:105133 /24:637493 /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 6852 12645 UNINET, MX 12479 6212 7282 UNI2-AS, ES 11492 3559 4715 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3478 3691 SHAW, CA 22773 3047 4773 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2433 14268 AMAZON-02, US 30036 2318 2661 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3457 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2445 2:1536 3:976 4:10 5:4931 6:190 7:6 8:1498 9:6 11:172 12:1229 13:571 14:2601 15:414 16:303 17:388 18:912 20:587 21:4 22:188 23:8073 24:2609 25:2 27:2777 29:19 31:3389 32:30 33:1 34:80 35:286 36:4590 37:4551 38:9337 39:1193 40:426 41:4429 42:1949 43:2827 44:396 45:19434 46:5051 47:385 49:2150 50:2055 51:598 52:1567 54:289 55:1102 56:11 57:300 58:2291 59:1318 60:1166 61:3090 62:3095 63:1734 64:5960 65:2127 66:5884 67:3247 68:1499 69:4206 70:1017 71:618 72:3042 74:2935 75:1520 76:600 77:2772 78:1916 79:1782 80:2299 81:2094 82:3816 83:1450 84:2034 85:3643 86:1103 87:2157 88:1346 89:4577 90:838 91:8434 92:2847 93:3013 94:4220 95:4557 96:1464 97:311 98:950 99:773 100:68 101:1338 102:4322 103:32123 104:5521 105:771 106:912 107:2806 108:1200 109:4237 110:2301 111:3917 112:2788 113:1929 114:2098 115:2236 116:2148 117:3129 118:2943 119:2069 120:2378 121:1512 122:2940 123:2276 124:1650 125:2907 126:125 128:1583 129:954 130:1501 131:2258 132:770 133:462 134:1638 135:493 136:1495 137:1192 138:2901 139:1587 140:1725 141:1545 142:2335 143:2138 144:1355 145:628 146:2189 147:2136 148:2790 149:2871 150:1302 151:2621 152:2290 153:767 154:9108 155:2260 156:4211 157:2219 158:1470 159:2687 160:3746 161:1990 162:4001 163:2309 164:1966 165:2611 166:1298 167:2153 168:3880 169:796 170:5451 171:1110 172:4500 173:3424 174:909 175:1338 176:3775 177:4726 178:4297 179:2290 180:2824 181:4339 182:3835 183:2588 184:2063 185:21646 186:5513 187:4780 188:4441 189:4506 190:9705 191:1558 192:11408 193:9491 194:7846 195:5608 196:3312 197:3300 198:6201 199:6077 200:8200 201:6387 202:10411 203:10495 204:4637 205:3717 206:4397 207:3914 208:4268 209:5450 210:4721 211:2678 212:4895 213:3998 214:1029 215:53 216:7080 217:3387 218:1589 219:404 220:2188 221:1285 222:772 223:3184 End of report