Data as of Nov 15, 2026
122.155.76.0/24
No anonymizer space · no proxy exits in 30 daysNational Telecom Public Company Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 122.155.72.0/21 since Mar 2013 | AS9931 | Internet provider | 25 2 always on | National Telecom Public Company Limited via CAT Telecom public 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 |
|---|---|---|---|---|---|---|
| 122.154.0.0/15 | 131,072 | NTPCL-TH | National Telecom Public Company Limited (ORG-NTPC1-AP) · TH | ALLOCATED PORTABLE | — | pitoon. |
| └ 122.155.64.0/18 | 16,384 | CAT-BANGKOK | CAT Telecom public company Ltd | ALLOCATED NON-PORTABLE | — | pitoon. |
Network & registry
IPv4 market
Holder
- Organization
- National Telecom Public Company Limited
- Handle
- ORG-NTPC1-AP
- Range
- 122.
154. 0. 0/ 15 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- CAT Telecom public company Ltd
- Reallocated range
- 122.
155. 64. 0/ 18 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS9931
TH
- Name
- National Telecom Public Company Limited
- Type
- Internet provider
- Registered
- Apr 5, 2000
- Domain
- cat.net.th
- Website
- www.cat.net.th/cat-corporate/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 7
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2025
- Current origin since
- Nov 2025 · 12 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 122.155.72.0/21 | AS9931 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 122.
155. 64. 0/ 18 - Netname
- CAT-BANGKOK
- Registrant
- CAT Telecom public company Ltd
- Registrant country
- TH
- Organization
- CAT Telecom public company Ltd
- Org country
- TH
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 19, 2025
- Maintainer
- MAINT-NTPCL-TH
- RIR
- APNIC
- Country
- TH
- Delegated
- Jan 8, 2007
- Status
- assigned
Report abuse
Abuse contact
- pitoon.
p@ ntplc. co. th - Name
- ABUSE NTPCLTH
- Handle
- AN3307-AP