Data as of Nov 3, 2026
203.151.192.0/18
No anonymizer space · no proxy exits in 30 daysInternet Thailand Company Limited · space held by Internet Thailand Company Ltd.
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.151.192.0/19 since May 2005 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.192.0/20 since Jan 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.200.0/22 since Dec 2013 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.200.0/24 since May 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.201.0/24 since May 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.202.0/24 since May 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.203.0/24 since May 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.205.0/24 since Mar 2023 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.206.0/23 since May 2005 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.208.0/20 since Jan 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.212.0/24 since Aug 2018 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.218.0/24 since Jun 2020 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.224.0/19 since May 2005 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.224.0/20 since Jan 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.229.0/24 since May 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.231.0/24 since Apr 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.232.0/23 since Dec 2013 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.236.0/24 since Jun 2019 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.237.0/24 since May 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.238.0/24 since Mar 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. via Customer of INET | |
| 203.151.239.0/24 since May 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.240.0/20 since Jan 2026 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.240.0/24 since Dec 2013 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.244.0/24 since Oct 2025 | AS4618 | Hosting | Internet Thailand Company Ltd. | |
| 203.151.254.0/24 since Nov 2024 | AS4618 | Hosting | Internet Thailand Company Ltd. |
Registrations in this block
The registry's network records over this block, widest first, each 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] |
| └ 203.151.193.0/24 | 256 | INET-TH | Branch HDY corp | ASSIGNED NON-PORTABLE | — | [email protected] |
| └ 203.151.194.0/24 | 256 | INET-TH | THAI.NET | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.196.0/23 | 512 | INET-TH | INET Branch PSL | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.198.0/24 | 256 | INET-TH | Coporate Branch WAN | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.199.0/24 | 256 | INET-TH | Coporate Branch Route object | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.209.128/25 | 128 | FOURSEASONS-TH | Rajadamri Hotel Public company Limited. | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.216.0/27 | 32 | trf-th | The Thailand Research Fund | ASSIGNED NON-PORTABLE | — | [email protected] |
| └ 203.151.221.32/27 | 32 | WHITEKAPS-TH | Whitekaps Resort Co.,Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.222.0/23 | 512 | INET-OLS-TH | Openland scape Company Limited | ASSIGNED NON-PORTABLE | — | [email protected] |
| └ 203.151.224.0/21 | 2,048 | INET-TH | INET Dialup V90 | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.232.0/23 | 512 | INET-TH | INET Datacenter net232 | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.234.0/23 | 512 | INET-TH | INET Datacenter net234 | ASSIGNED NON-PORTABLE | — | [email protected] via INET-TH |
| └ 203.151.238.0/24 | 256 | INET-TH | Customer of INET | ALLOCATED NON-PORTABLE | — | [email protected] |
| └ 203.151.255.0/24 | 256 | INET-TH | WAN Customer | ALLOCATED 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
Announced by
Covering announcement 203.151.0.0/16
- Prefix
- 203.151.0.0/16
- Announced by
- AS4618 Internet Thailand Company Limited
- Type
- Hosting
- Proxy exits
- 6
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- INET-TH
- Registrant
- Internet Thailand Company Ltd.
- RIR
- APNIC
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
Who has announced 203.151.0.0/16
203.151.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 203.151.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4618 | RADB | INET-TH | MAINT-AS4618 | Nov 13, 2023 |
| AS4618 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jun 24, 2020 |
| AS9304 not the origin | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Sep 16, 2020 |
| AS9304 not the origin | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| AS38040 not the origin | RADB | AS 38040 | MAINT-AS9318 | Nov 13, 2023 |
| AS38082 not the origin | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Sep 6, 2018 |
| AS38082 not the origin | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| AS45629 not the origin | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Jun 16, 2020 |
| AS45629 not the origin | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
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