Data as of Nov 4, 2026
203.154.0.0/20
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 |
|---|---|---|---|---|---|
| 203.154.0.0/19 since May 2005 | AS4618 | Hosting | 1 | Internet Thailand Company Ltd. | |
| 203.154.0.0/16 since May 2005 | AS4618 | Hosting | 13 | Internet Thailand Company Ltd. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.154.4.0/24 since Jul 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.154.5.0/24 since Aug 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.154.6.0/24 since Aug 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.154.7.0/24 since Nov 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.154.10.0/24 since Nov 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.154.14.0/24 since Dec 2017 | 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 |
|---|---|---|---|---|---|---|
| 203.154.0.0/16 | 65,536 | INET-TH | Internet Thailand Company Ltd. (ORG-ITCL3-AP) · TH | ALLOCATED PORTABLE | — | [email protected] |
| └ 203.154.3.0/24 | 256 | INET-TH | INET North-PPDP | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.154.4.0/24 | 256 | INET-TH | INET CMI Branch | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.154.7.0/24 | 256 | INET-TH | Internet Thailand Public Company Limited (Chiang Mai Branch) | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.154.8.0/28 | 16 | TITECH-TH | Tokyo Tech Global Collaboration Office (Thailand) | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.154.8.16/28 | 16 | NECTEC-INET-TH | National Electronics and Computer Technology Center | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.154.8.32/28 | 16 | INET-SC-PARK-HOTSPOT | INET Hotspot ScPark | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.154.9.0/28 | 16 | CONCEPTFOUNDATION | The Concept Foundation | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.154.9.16/28 | 16 | CCP-NSTDA-TH | Computer Clustering Promotion Program | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.154.12.0/24 | 256 | INET-TH | INET North-PPDP | 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.
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
- Industry
- Internet Service Provider (ISP)
- 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 |
|---|---|---|---|---|
| 203.154.0.0/19 | AS4618 | /20 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.154.2.0/24 | AS4618 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.154.2.0/24 | AS4618 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jun 24, 2020 |
| 203.154.2.0/24 | AS4618 | APNIC | Internet Thailand Company Ltd. | MAINT-TH-INET | Jan 3, 2025 |
| 203.154.11.0/24 | AS4618 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.154.11.0/24 | AS4618 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jun 24, 2020 |
| 203.154.11.0/24 | AS4618 | APNIC | Internet Thailand Company Ltd. | MAINT-TH-INET | Jul 30, 2025 |
Whois
Registration for this announcement
- Range
- 203.154.0.0/16
- 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
- May 18, 1995
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE INETTH
- Handle
- AI358-AP