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Data as of Nov 3, 2026

203.151.0.0/19

No anonymizer space · no proxy exits in 30 days

Internet Thailand Company Limited · space held by Internet Thailand Company Ltd.

Announcement
this exact prefix
RPKI valid
Announced by
AS4618
Type
Hosting
91% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
203.151.0.0/16
since May 2005
AS4618Hosting6
1 always on
Internet Thailand Company Ltd.
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeHolderRPKI
203.151.0.0/20
since Jan 2026
AS4618HostingInternet Thailand Company Ltd.
203.151.0.0/24
since Mar 2025
AS4618HostingInternet Thailand Company Ltd.
203.151.1.0/24
since Jun 2014
AS133529BusinessInternet Thailand Company Ltd.
203.151.3.0/24
since Mar 2025
AS4618HostingInternet Thailand Company Ltd.
203.151.6.0/24
since Sep 2026
AS4618HostingInternet Thailand Company Ltd.
203.151.10.0/24
since Sep 2024
AS4618HostingInternet Thailand Company Ltd.
203.151.11.0/24
since Sep 2024
AS4618HostingInternet Thailand Company Ltd.
203.151.16.0/20
since Jan 2026
AS4618HostingInternet Thailand Company Ltd.
203.151.18.0/24
since Apr 2018
AS23644UnknownInternet Thailand Company Ltd.
via Government Savings Bank
203.151.19.0/24
since Jan 2019
AS4618HostingInternet Thailand Company Ltd.
203.151.20.0/23
since Dec 2013
AS4618HostingInternet Thailand Company Ltd.
203.151.22.0/24
since Dec 2013
AS4618HostingInternet Thailand Company Ltd.
203.151.23.0/24
since Oct 2012
AS4618HostingInternet Thailand Company Ltd.
203.151.25.0/24
since Jun 2018
AS38184UnknownInternet Thailand Company Ltd.
203.151.26.0/24
since Feb 2019
AS4618HostingInternet Thailand Company Ltd.
203.151.27.0/24
since Jul 2014
AS4618HostingInternet 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.151.0.0/1665,536INET-THInternet Thailand Company Ltd. (ORG-ITCL3-AP) · THALLOCATED PORTABLE—[email protected]
└ 203.151.0.0/2732BPE-THBangkok Polyethylene Public Company LimitedASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.2.0/24256BPE-THBangkok Polyethylene Public Company LimitedASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.9.0/25128OPENCARE-THOpen Exchange for Collaborative Activities in Response to EmergenciesASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.11.0/24256INET-THINET NC ServerASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.12.64/2664PIBULONLINE-THRajabhat Institute Pibulsongkram PhitsanulokASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.12.128/2732INET-THReserved for K.TrinALLOCATED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.12.160/2732SAWADEEWEB-THSawadee webASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.15.0/24256AEROTHAI-THAeronautical Radio of ThailandASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.17.32/2732DSI-THDepartment of Special InvestigationASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.17.64/2732KLINE-THK Line (Thailand) Company LimitedASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.17.96 - 203.151.17.11217KCS-THKrung Thai Computer Service Co.,Ltd.ASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.18.0/24256INET-GSBEX-THGovernment Savings BankALLOCATED NON-PORTABLE—[email protected]
└ 203.151.20.0/23512INET-THINET Datacenter net20ASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.22.0/23512INET-THINET Datacenter net22ASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.25.0/24256INET-THInet IsdnASSIGNED NON-PORTABLE—[email protected]
via INET-TH
└ 203.151.28.0/221,024INET-THInternet Thailand Co., Ltd.(Dial-UP)ASSIGNED NON-PORTABLE—[email protected]
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

8,192 addresses
TypeAddressesShareRanges
Hosting7,42491%18
Unknown5126.3%2
Business2563.1%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS4618

TH
Name
Internet Thailand Company Limited
Type
Hosting
Registered
Aug 10, 1995
Domain
inet.co.th
Website
www.inet.co.th
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed