Data as of Nov 3, 2026
203.151.0.0/20
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 |
|---|---|---|---|---|---|
| 203.151.0.0/19 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. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.151.0.0/24 since Mar 2025 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.1.0/24 since Jun 2014 | AS133529 | Business | Internet Thailand Company Ltd. | |
| 203.151.3.0/24 since Mar 2025 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.6.0/24 since Sep 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.10.0/24 since Sep 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.11.0/24 since Sep 2024 | 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 | — | [email protected] |
| └ 203.151.0.0/27 | 32 | BPE-TH | Bangkok Polyethylene Public Company Limited | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.2.0/24 | 256 | BPE-TH | Bangkok Polyethylene Public Company Limited | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.9.0/25 | 128 | OPENCARE-TH | Open Exchange for Collaborative Activities in Response to Emergencies | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.11.0/24 | 256 | INET-TH | INET NC Server | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.12.64/26 | 64 | PIBULONLINE-TH | Rajabhat Institute Pibulsongkram Phitsanulok | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.12.128/27 | 32 | INET-TH | Reserved for K.Trin | ALLOCATED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.12.160/27 | 32 | SAWADEEWEB-TH | Sawadee web | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.15.0/24 | 256 | AEROTHAI-TH | Aeronautical Radio of Thailand | 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
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 3,840 | 94% | 9 | |
| 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
- 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 |
|---|---|---|---|---|
| 203.151.0.0/19 | AS4618 | /20 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.151.4.0/24 | AS4618 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.151.4.0/24 | AS4618 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jun 24, 2020 |
| 203.151.4.0/24 | AS4618 | APNIC | Internet Thailand Company Ltd. | MAINT-TH-INET | Jun 1, 2021 |
| 203.151.15.0/24 | AS4618 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.151.15.0/24 | AS4618 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jun 24, 2020 |
| 203.151.15.0/24 | AS4618 | APNIC | Internet Thailand Company Ltd. | MAINT-TH-INET | Nov 19, 2020 |
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
- [email protected]
- Name
- ABUSE INETTH
- Handle
- AI358-AP