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 21 Mar, 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: 1035109 Prefixes after maximum aggregation (per Origin AS): 398723 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 512066 Number of IPv4 prefixes with a valid ROA: 623868 Number of IPv4 prefixes with an invalid ROA: 116 Number of IPv4 prefixes with no ROA: 411125 Total ASes present in the Internet Routing Table: 78120 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 67007 Origin ASes announcing only one prefix: 27319 Transit ASes present in the Internet Routing Table: 11113 Transit-only ASes present in the Internet Routing Table: 571 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN ( 48366) 33 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1074 Number of 32-bit ASNs allocated by the RIRs: 49047 Number of 32-bit ASNs visible in the Routing Table: 40158 Prefixes from 32-bit ASNs in the Routing Table: 224191 Number of bogon 32-bit ASNs visible in the Routing Table: 76 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 393 Number of addresses announced to Internet: 3107516161 Equivalent to 185 /8s, 56 /16s and 239 /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: 337526 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 280447 Total APNIC prefixes after maximum aggregation: 82049 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267687 Unique aggregates announced from the APNIC address blocks: 107119 APNIC Region origin ASes present in the Internet Routing Table: 15126 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 4646 APNIC Region transit ASes present in the Internet Routing Table: 2054 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10692 Number of APNIC addresses announced to Internet: 751744513 Equivalent to 44 /8s, 206 /16s and 182 /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: 304366 Total ARIN prefixes after maximum aggregation: 137164 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303037 Unique aggregates announced from the ARIN address blocks: 147074 ARIN Region origin ASes present in the Internet Routing Table: 19399 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7088 ARIN Region transit ASes present in the Internet Routing Table: 1911 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5525 Number of ARIN addresses announced to Internet: 1349302784 Equivalent to 80 /8s, 108 /16s and 186 /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, 393216-404380 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: 285550 Total RIPE prefixes after maximum aggregation: 141145 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 288287 Unique aggregates announced from the RIPE address blocks: 187747 RIPE Region origin ASes present in the Internet Routing Table: 29323 RIPE Prefixes per ASN: 9.83 RIPE Region origin ASes announcing only one prefix: 12152 RIPE Region transit ASes present in the Internet Routing Table: 4011 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13180 Number of RIPE addresses announced to Internet: 732499200 Equivalent to 43 /8s, 169 /16s and 13 /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: 126671 Total LACNIC prefixes after maximum aggregation: 30684 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 122346 Unique aggregates announced from the LACNIC address blocks: 50263 LACNIC Region origin ASes present in the Internet Routing Table: 11368 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2566 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: 9385 Number of LACNIC addresses announced to Internet: 170382080 Equivalent to 10 /8s, 39 /16s and 211 /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: 37030 Total AfriNIC prefixes after maximum aggregation: 6995 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 53359 Unique aggregates announced from the AfriNIC address blocks: 19519 AfriNIC Region origin ASes present in the Internet Routing Table: 2012 AfriNIC Prefixes per ASN: 26.52 AfriNIC Region origin ASes announcing only one prefix: 732 AfriNIC Region transit ASes present in the Internet Routing Table: 387 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1376 Number of AfriNIC addresses announced to Internet: 103331072 Equivalent to 6 /8s, 40 /16s and 181 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13758 8727 118 CHINAMOBILE-CN China Mobile Communication 7545 5941 829 514 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4850 548 322 BBIL-AP BHARTI Airtel Ltd., IN 18403 4559 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 4032 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3675 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3474 886 176 CMNET-JIANGSU-AP China Mobile communicati 45899 3335 1868 98 VNPT-AS-VN VNPT Corp, VN 24560 3009 862 514 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 17561 2810 177 544 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 14513 41221 5581 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3101 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4647 308 1020 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3711 1321 75 SHAW - Shaw Communications, CA 396982 3292 4856 486 GOOGLE-CLOUD-PLATFORM - Google LLC, US 174 3224 8766 846 COGENT-174 - Cogent Communications, LLC, 749 3140 54728 2391 DNIC-AS-00749 - United States Department 16625 2715 1187 2105 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2704 222 888 AS-COLOCROSSING - HostPapa, 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 7204 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3840 3389 110 AKAMAI-ASN1, NL 9009 3828 355 2249 M247, RO 12389 3150 2320 870 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2679 194 1962 CDNEXT, GB 34984 2462 366 568 TELLCOM-AS, TR 8452 1698 1852 14 TE-AS TE-AS, EG 203020 1630 247 806 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 12825 3302 595 UNINET, MX 10620 3452 457 1103 Telmex Colombia S.A., CO 13999 2461 506 344 Mega Cable, S.A. de C.V., MX 11830 1914 369 65 Instituto Costarricense de Electricidad y 11664 1451 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1372 2430 272 Claro NXT Telecomunicacoes Ltda, BR 3816 1341 770 214 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 22884 1057 67 358 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1057 2475 94 TIM SA, 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 2045 648 34 RAYA-AS, EG 36992 1843 1531 336 ETISALAT-MISR, EG 24863 1286 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1229 521 44 Vodafone-, EG 37069 1109 1100 11 MOBINIL, EG 29571 1072 78 20 ORANGE-COTE-IVOIRE, CI 20011 640 173 259 NTT-DATA-Inc, ZA 15399 558 58 61 WANANCHI-, KE 3741 557 724 324 NTT-DATA-Inc, 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 14513 41221 5581 AMAZON-02 - Amazon.com, Inc., US 9808 13758 8727 118 CHINAMOBILE-CN China Mobile Communication 8151 12825 3302 595 UNINET, MX 12479 7204 1711 149 UNI2-AS, ES 7545 5941 829 514 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 9498 4850 548 322 BBIL-AP BHARTI Airtel Ltd., IN 22773 4777 3101 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4647 308 1020 CABLEONE - CABLE ONE, INC., US 18403 4559 347 25 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 13758 13640 CHINAMOBILE-CN China Mobile Communications Grou 8151 12825 12230 UNINET, MX 12479 7204 7055 UNI2-AS, ES 7545 5941 5427 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4559 4534 FPT-AS-AP FPT Telecom Company, VN 9498 4850 4528 BBIL-AP BHARTI Airtel Ltd., IN 22773 4777 4410 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4032 4003 VIETEL-AS-AP Viettel Group, VN 7155 3861 3776 VIASAT-SP-BACKBONE - ViaSat,Inc., 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 - C 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 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 - Hurricane Electric LLC, 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 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, 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 /11:95 /12:297 /13:583 /14:1198 /15:2095 /16:13595 /17:8273 /18:13253 /19:25324 /20:45666 /21:52254 /22:113724 /23:107178 /24:651461 /25:4 /26:2 /27:0 /28:0 /29:0 /30:0 /31:0 /32:37 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6985 12825 UNINET, MX 12479 6145 7204 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3507 4647 CABLEONE - CABLE ONE, INC., US 6327 3491 3711 SHAW - Shaw Communications, CA 22773 3046 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2606 14513 AMAZON-02 - Amazon.com, Inc., US 30036 2318 2667 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2232 3452 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2484 2:1676 3:1005 4:5 5:5213 6:197 7:6 8:1501 9:38 11:172 12:1193 13:659 14:2669 15:459 16:169 17:422 18:918 20:582 21:4 22:188 23:8214 24:2841 25:2 27:2749 28:1 29:19 31:3403 32:35 34:86 35:291 36:4639 37:4469 38:9935 39:1273 40:412 41:4562 42:2210 43:2995 44:441 45:19795 46:4892 47:407 48:99 49:2184 50:2073 51:614 52:1303 54:279 55:1115 56:11 57:314 58:2338 59:1351 60:1174 61:3126 62:3118 63:1745 64:6249 65:2129 66:5998 67:3260 68:1497 69:4204 70:1042 71:614 72:3142 74:3007 75:1498 76:592 77:2885 78:1915 79:1797 80:2336 81:2194 82:4000 83:1435 84:2092 85:3819 86:1103 87:2286 88:1356 89:4699 90:798 91:8414 92:2843 93:3010 94:4307 95:4637 96:1440 97:313 98:947 99:803 100:68 101:1601 102:4466 103:32370 104:5469 105:813 106:925 107:2848 108:1226 109:4200 110:2286 111:4100 112:3155 113:1974 114:2260 115:2264 116:2171 117:3484 118:2931 119:2061 120:2686 121:1554 122:2976 123:2253 124:1688 125:2984 126:125 128:1660 129:959 130:1599 131:2455 132:813 133:463 134:1642 135:596 136:1591 137:1396 138:3159 139:1634 140:1778 141:1599 142:2543 143:2149 144:1742 145:628 146:2205 147:2147 148:2731 149:3050 150:1344 151:2702 152:2302 153:955 154:9446 155:2315 156:4321 157:2266 158:1505 159:2800 160:3815 161:1957 162:4019 163:2414 164:2037 165:2624 166:1303 167:2251 168:3986 169:889 170:5523 171:1108 172:4597 173:3468 174:885 175:1361 176:3835 177:4757 178:4320 179:2291 180:3021 181:4464 182:4012 183:2798 184:2013 185:21806 186:5706 187:4914 188:4569 189:4513 190:9761 191:1560 192:11492 193:9589 194:7862 195:5735 196:3347 197:3335 198:6271 199:6111 200:8204 201:6347 202:10656 203:10563 204:4742 205:3785 206:4499 207:4004 208:4377 209:5457 210:4733 211:2685 212:4986 213:4110 214:1057 215:46 216:7255 217:3541 218:1689 219:418 220:2197 221:1308 222:930 223:3384 End of report