Thailand
IP address space, AS numbers and the largest networks registered in Thailand, based on the delegation records of the regional internet registries.
IPv4 addresses
8.9M
1,193 blocks
IPv6 allocations
236
AS numbers
622
Routed AS numbers
459
Largest networks in Thailand
By announced prefixes| AS | Name | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS23969 | TOT-NET TOT Public Company Limited | 1,827 | 7 |
| AS133481 | AIS-Fibre-AS-AP AIS Fibre | 590 | 184 |
| AS7470 | TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd. | 717 | 24 |
| AS45458 | SBN-AWN-AS-02-AP SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX | 699 | 33 |
| AS9931 | NTPCL-AS-AP National Telecom Public Company Limited | 627 | 43 |
| AS131090 | NTPCL-AS-AP National Telecom Public Company Limited | 668 | 1 |
| AS132618 | REALFUTURE-AS-AP Real Future Company Limited | 634 | 2 |
| AS17552 | TRUEONLINE-AS-AP True Online | 161 | 419 |
| AS4750 | CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMITED | 509 | 10 |
| AS131445 | AIS3G-2100-AS-AP Advance Wireless Network | 270 | 187 |
| AS4618 | INET-TH-AS Internet Thailand Company Limited | 418 | 7 |
| AS131293 | TOT-LLI-AS-AP TOT Public Company Limited | 279 | 4 |
| AS132280 | SYMPHONY-AP-TH Symphony Communication (Thailand) PCL. | 199 | 39 |
| AS138524 | TTBP-AS-AP Triple T Broadband Public Company Limited | 123 | 97 |
| AS23884 | PROENNET-AS Proen Corp Public Company Limited. | 144 | 6 |
| AS38794 | UIH-BBB-AS-AP UIH | 141 | 3 |
| AS9335 | NTPCL-AS-AP National Telecom Public Company Limited | 138 | 6 |
| AS55423 | JASTEL-NETWORK-TH-IDC-AP JasTel Network | 98 | 24 |
| AS9587 | DTACNETWORK-TH-AP 26th Floor 333/3 Moo 14 Chai Building | 75 | 40 |
| AS9891 | CSLOX-IDC-AS-AP CS LOXINFO Public Company Limited. | 101 | 10 |
| AS4274 | ERX-AU-NET Assumption University | 108 | 0 |
| AS24187 | KIRZ-AS-TH KIRZ Service Provider | 95 | 1 |
| AS7693 | COMNET-TH KSC Commercial Internet Co. Ltd. | 91 | 2 |
| AS9287 | TIDCC-AS-AP True Internet Data Center Company Limited | 82 | 8 |
| AS4621 | UNINET-AS-AP UNINET-TH | 81 | 2 |
| AS45430 | SBN-AWN-IIG-AS-AP SBN-IIG/AWN-IIG transit provider | 57 | 25 |
| AS24378 | ENGTAC-AS-TH-AP Total Access Communication PLC. | 74 | 7 |
| AS4762 | MAHIDOL-BORDER-AS Mahidol University, Thailand | 75 | 3 |
| AS132061 | Realmove-as-ap Realmove Company Limited | 54 | 18 |
| AS38444 | SUPERBROADBANDNETWORK-AS-AP Super Broadband Network | 65 | 5 |
Delegations by registry: APNIC 1,381, ARIN 47, RIPE 1. Updated 2026-10-04.