Data as of Nov 7, 2026
203.151.208.0/20
No anonymizer space · no proxy exits in 30 daysInternet Thailand Company Limited · space held by Internet Thailand Company Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.151.192.0/19 since May 2005 | AS4618 | Hosting | Internet Thailand Company Ltd. | ||
| 203.151.0.0/16 since May 2005 | AS4618 | Hosting | 6 1 always on | Internet Thailand Company Ltd. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.151.212.0/24 since Aug 2018 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.218.0/24 since Jun 2020 | AS4618 | Hosting | Internet Thailand Company Ltd. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.151.0.0/16 | 65,536 | INET-TH | Internet Thailand Company Ltd. (ORG-ITCL3-AP) · TH | ALLOCATED PORTABLE | — | op-network@ |
| └ 203.151.209.128/25 | 128 | FOURSEASONS-TH | Rajadamri Hotel Public company Limited. | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.216.0/27 | 32 | trf-th | The Thailand Research Fund | ASSIGNED NON-PORTABLE | — | op-network@ |
| └ 203.151.221.32/27 | 32 | WHITEKAPS-TH | Whitekaps Resort Co.,Ltd | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.222.0/23 | 512 | INET-OLS-TH | Openland scape Company Limited | ASSIGNED NON-PORTABLE | — | contact@ |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Origin network
AS4618
TH
- Name
- Internet Thailand Company Limited
- Type
- Hosting
- Registered
- Aug 10, 1995
- Domain
- inet.co.th
- Website
- www.inet.co.th
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2013
- Current origin since
- Jan 2026 · 9 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.151.192.0/19 | AS4618 | /20 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.151.211.0/24 | AS4618 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.151.211.0/24 | AS4618 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jun 24, 2020 |
| 203.151.211.0/24 | AS4618 | APNIC | Internet Thailand Company Ltd. | MAINT-TH-INET | Oct 10, 2025 |
| 203.151.221.0/24 | AS4618 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.151.221.0/24 | AS4618 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jun 24, 2020 |
| 203.151.221.0/24 | AS4618 | APNIC | Internet Thailand Company Ltd. | MAINT-TH-INET | Nov 19, 2020 |
Whois
Registration for this announcement
- Range
- 203.
151. 0. 0/ 16 - Netname
- INET-TH
- Registrant
- Internet Thailand Company Ltd.
- Registrant country
- TH
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- TH
- Delegated
- Jul 1, 1997
- Status
- assigned
Report abuse
Abuse contact
- op-network@
inet. co. th - Name
- ABUSE INETTH
- Handle
- AI358-AP