Data as of Nov 4, 2026
203.151.32.0/20
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 |
|---|---|---|---|---|---|
| 203.151.32.0/19 since May 2005 | AS4618 | Hosting | 2 1 always on | 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 |
|---|---|---|---|---|
| 203.151.33.0/24 since Mar 2019 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.39.0/24 since Aug 2018 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.40.0/24 since Sep 2019 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.44.0/23 since Dec 2013 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.46.0/24 since Jul 2008 | 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@ |
| └ 203.151.34.0/24 | 256 | INET-TH | Internet Thailand Company Ltd | ASSIGNED NON-PORTABLE | — | op-network@ |
| └ 203.151.35.0/24 | 256 | ABERCROMBIEKENT-TH | Abercrombie & Kent(Thailand) Ltd. | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.36.0/25 | 128 | MITSUBISHI-TH | Mitsubishi Electric Corporation. | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.36.128/27 | 32 | MOFEDI-TH | unknown | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.36.160/27 | 32 | DASTA-TH | Designated Area For Sustainable Tourism Administration | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.36.192/27 | 32 | TUNGJAI-YONT-TH | Tungjai Patthanayanyon 2004 Co.,LTD. | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.36.224/27 | 32 | WFSPG-TH | WFSPG Cargo Co., Ltd. | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.39.0/24 | 256 | KKN-TH | Khonkaen Internet Co.,Ltd.(Point Of Presence) | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.40.0/24 | 256 | FTI-TH | The Federation of Thai Industries | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.41.0/24 | 256 | NIPPONPAINT-TH | Nippon Paint (Thailand) CO.,LTD | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.42.0/27 | 32 | SUS1995-TH | The Siam United Steel (1995) Co.,Ltd | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.42.32/27 | 32 | INET-TH | INET reserved for customer idc | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.42.64/27 | 32 | ANANDA-DEV-TH | Ananda development | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.42.96/27 | 32 | AMARI-EMERALD-COVE-TH | Amari Emerald Cove Resort | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.42.128/27 | 32 | OAE-TH | Office of Agricultural Economics | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.42.160/27 | 32 | KORATCEO-TH | unknown | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.42.192/27 | 32 | EASYBUY-TH | Easybuy Co., Ltd. | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.42.224/27 | 32 | OSRD-TH | Office of Sports and Recreation Development | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.43.0/27 | 32 | AMARI-TH | Amari Orchid Resort Pataya | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.43.32/27 | 32 | FINANSA-SEC-TH | Finansa Securities Limited | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.44.0/23 | 512 | INET-TH | Co-location Segment | ASSIGNED NON-PORTABLE | — | op-network@ |
| └ 203.151.46.0/24 | 256 | INFO-MOI-TH | Office of the Permanent Secretary | ASSIGNED NON-PORTABLE | — | op-network@ via INET-TH |
| └ 203.151.47.32/27 | 32 | AMARI-TH | Amari pattaya | ALLOCATED 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
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 |
|---|---|---|---|---|
| 203.151.32.0/19 | AS4618 | /20 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.151.32.0/24 | AS4618 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.151.32.0/24 | AS4618 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jun 24, 2020 |
| 203.151.32.0/24 | AS4618 | APNIC | Internet Thailand Company Ltd. | MAINT-TH-INET | Jan 22, 2026 |
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