Data as of Nov 9, 2026
203.151.144.0/20
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 |
|---|---|---|---|---|---|
| 203.151.128.0/19 since May 2005 | AS4618 | Hosting | 2 | 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 |
|---|---|---|---|---|
| 203.151.147.0/24 since Aug 2020 | AS4618 | Hosting | Internet Thailand Company Ltd. via INET Coporate branch (South) | |
| 203.151.150.0/24 since Apr 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.151.0/24 since Jun 2022 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.152.0/24 since Aug 2020 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.154.0/24 since Aug 2020 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.155.0/24 since Aug 2020 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.159.0/24 since Jan 2011 | AS55932 | Business | 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@ |
| └ 203.151.144.0/24 | 256 | INET-OLS-TH | Openlandscape Company Limited | ASSIGNED NON-PORTABLE | — | contact@ |
| └ 203.151.146.0/26 | 64 | INET-TH | INET Branch SRT | ALLOCATED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.147.0/24 | 256 | INET-TH | INET Coporate branch (South) | ALLOCATED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.155.0/24 | 256 | UDOMSUKSA-TH | Udomsuksa School | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.159.0/24 | 256 | THAIBDC-TH | The Thai Bond Dealing Centre | 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 3,840 | 94% | 10 | |
| Business | 256 | 6.3% | 1 |
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
- Nov 2005
- Current origin since
- Jan 2026 · 9 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.151.128.0/19 | 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
- Jul 1, 1997
- Status
- assigned
Report abuse
Abuse contact
- op-network@
inet. co. th - Name
- ABUSE INETTH
- Handle
- AI358-AP