Data as of Nov 5, 2026
203.151.31.0/24
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 |
|---|---|---|---|---|---|
| 203.151.0.0/19 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. |
Registrations in this block
The registry's network records over this block, widest first, each 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@ |
| └ 203.151.28.0/22 | 1,024 | INET-TH | Internet Thailand Co., Ltd.(Dial-UP) | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
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
Announced by
Covering announcement 203.151.16.0/20
- Prefix
- 203.151.16.0/20
- Announced by
- AS4618 Internet Thailand Company Limited
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- INET-TH
- Registrant
- Internet Thailand Company Ltd.
- RIR
- APNIC
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
203.151.16.0/20
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 |
|---|---|---|---|---|
| 203.151.0.0/19 | AS4618 | /20 | APNIC | RPKI valid |
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
- Jun 12, 1996
- Status
- assigned
Report abuse
Abuse contact
- op-network@
inet. co. th - Name
- ABUSE INETTH
- Handle
- AI358-AP