🇹🇭 Thailand
Registry and organization country assignments can differ from the physical location of an IP. Snapshot: 2026-10-04.
9,336,576
Delegated IPv4 address slots
627
Registered ASNs
20
Hosting ASNs
702
Known VPN exit prefixes
Country reference
- ISO code
- TH
- Continent
- Asia
- Capital
- Bangkok
- Currency
- THB
- Calling code
- 66
- EU member
- No
- Delegated IPv6 address slots
- 9,518,640,645,721,430,781,987,662,069,760
Registry allocations
Allocated and assigned RIR prefixes; address slots are summed across records and may overlap.
| Registry | Prefixes | IPv4 slots | IPv6 slots |
|---|---|---|---|
| APNIC | 1,391 | 9,325,824 | 9,507,499,185,367,862,359,513,569,951,744 |
| ARIN | 47 | 10,496 | 11,141,460,353,568,422,474,092,118,016 |
| RIPE_NCC | 1 | 256 | 0 |
Major autonomous systems
Showing up to 200 of 627 ASNs assigned to this country, ranked by announced IPv4 prefix address slots. Overlapping announcements count separately.
| ASN | Organization | Category | IPv4 slots | IPv6 prefixes |
|---|---|---|---|---|
| AS38566 | NTT (Thailand) Limited | business | 15,104 | 1 |
| AS23932 | World Internetwork Corporation Co., Ltd | business | 14,848 | 0 |
| AS9835 | National Electronics and Computer Technology Center | business | 14,336 | 5 |
| AS37992 | Thammasat University | education | 14,336 | 7 |
| AS135566 | National Telecom Public Company Limited | isp | 12,800 | 6 |
| AS215748 | Westeros Communications (THAILAND) CO., LTD. | isp | 12,032 | 0 |
| AS132300 | NIPA Technology Co., Ltd | business | 11,520 | 4 |
| AS38082 | True International Gateway Co., Ltd. | business | 11,008 | 10 |
| AS4651 | National Telecom Public Company Limited | isp | 10,496 | 2 |
| AS136393 | Symphony Communication Public Company Limited | isp | 9,984 | 3 |
| AS134166 | Internet Data Center Service | business | 9,472 | 1 |
| AS55403 | PTT Digital Solutions Company Limited | business | 9,216 | 6 |
| AS3836 | National Electronics and Computer Technology Center | business | 8,704 | 1 |
| AS9533 | Internet Thailand Company Ltd. | business | 8,704 | 0 |
| AS37932 | Office of Info.Tech. Admin. for Educational Development | education | 8,704 | 4 |
| AS7588 | Internet Thailand Company Ltd. | business | 8,448 | 0 |
| AS63951 | THAICOM Public Company Limited | business | 8,448 | 0 |
| AS18362 | Netway Communication Co., Ltd | isp | 8,192 | 0 |
| AS23919 | Ramkhamhaeng University | education | 8,192 | 0 |
| AS45575 | Office of Info.Tech. Admin. for Educational Development | education | 8,192 | 1 |
| AS55490 | Realmove Company Limited | business | 8,192 | 0 |
| AS136538 | MAYBANK KIM ENG SECURITIES PTE. LTD | banking | 8,192 | 0 |
| AS134240 | MAYBANK KIM ENG SECURITIES PTE. LTD | banking | 7,936 | 2 |
| AS38296 | National Electronics and Computer Technology Center | business | 7,168 | 0 |
| AS45455 | Two S One N Co Ltd | business | 7,168 | 0 |
Largest cities by reference population
GeoNames reference data; this is not a count of located IP addresses.
- Bangkok · 5,104,476
- Samut Prakan · 388,920
- Mueang Nonthaburi · 254,375
- Chon Buri · 219,164
- Phra Pradaeng · 196,129
- Bang Khae · 193,002
- Hat Yai · 191,696
- Pak Kret · 190,272
- Sai Mai · 188,123
- Si Racha · 178,916
Hosting counts use ASN organization classifications. VPN counts include distinct exit prefixes with a source-provided country seen within seven days of this snapshot; zero means no known evidence, not absence. Country and city references: GeoNames (CC BY 4.0).