Data as of Nov 8, 2026
203.121.128.0/20
No anonymizer space · no proxy exits in 30 daysPacific Internet Pte Ltd · space held by Pacific Internet (S) Pte. Ltd.
Announcements
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.121.128.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.129.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.130.0/23 since Jun 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. | |
| 203.121.132.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.133.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.134.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.135.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.136.0/24 since May 2005 | AS4765 | Residential | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.137.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.138.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.139.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.140.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.141.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.142.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) Ltd. | |
| 203.121.143.0/24 since May 2005 | AS4765 | Internet provider | Pacific Internet (S) Pte. Ltd. via Pacific Internet (Thailand) 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 |
|---|---|---|---|---|---|---|
| 203.121.128.0/20 | 4,096 | PACIFICINTERNET-SG | Pacific Internet (S) Pte. Ltd. (ORG-PIPL1-AP) · SG | ALLOCATED PORTABLE | — | noc@ |
| └ 203.121.128.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.129.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.130.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.131.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.132.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.133.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.134.0/24 | 256 | PACIFICINTERNET-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.134.32/27 | 32 | PACIFICINTERNET-TH | Pacific Internet (Thailand) Ltd. | ASSIGNED NON-PORTABLE | — | noc. |
| └ 203.121.135.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.136.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.137.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.138.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.139.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.140.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.141.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.142.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
| └ 203.121.143.0/24 | 256 | PACIFICINTERNT-TH | Pacific Internet (Thailand) Ltd. | ALLOCATED NON-PORTABLE | — | noc. |
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 | |
|---|---|---|---|---|
| Internet provider | 3,840 | 94% | 14 | |
| Residential | 256 | 6.3% | 1 |
Network & registry
Origin network
AS4765
SG
- Name
- Pacific Internet Pte Ltd
- Type
- Internet provider
- Registered
- Jan 15, 2003
- Domain
- pacific.net.th
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2006
- Current origin since
- Dec 2006 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.121.128.0/20 | AS4765 | /20 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
121. 128. 0/ 20 - Netname
- PACIFICINTERNET-SG
- Registrant
- Pacific Internet (S) Pte. Ltd.
- Registrant country
- SG
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 30, 2026
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- SG
- Delegated
- Mar 24, 2000
- Status
- assigned
Report abuse
Abuse contact
- noc@
pacificinternet. com - Name
- ABUSE PACIFICINTERNETSG
- Handle
- AP930-AP