Data as of Nov 10, 2026
61.
- Proxy activity
- Not seen in 30 days
- Type
- Business
- Risk
- 0 / 100 · Low
- Announced by
- AS9931National Telecom Public Company LimitedInternet provider
- Announcement
- 61.19.145.0/24RPKI valid
- Company
- 492 Changmai-Lumpang Road Muang changmai
- Location
- Bang Rakam, Phitsanulok, Thailand
Network & registry
Announced by
Announcement
- Prefix
- 61.19.145.0/24
- Announced by
- AS9931 National Telecom Public Company Limited
- Type
- Unknown
- Proxy exits
- 3
- RPKI
- RPKI valid
IPv4 market
Holder
- Organization
- National Telecom Public Company Limited
- Handle
- ORG-NTPC1-AP
- Range
- 61.
19. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- 492 Changmai-Lumpang Road Muang changmai
- Reallocated range
- 61.
19. 144. 0/ 22 - 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
Who has announced 61.19.145.0/24
61.19.145.0/24
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 |
|---|---|---|---|---|
| 61.19.144.0/23 | AS9931 | /24 | APNIC | RPKI valid |
| 61.19.144.0/22 | AS9931 | /22 | APNIC | Too specific |
| 61.19.144.0/21 | AS9931 | /21 | APNIC | Too specific |
| 61.19.144.0/20 | AS9931 | /20 | APNIC | Too specific |
Whois
Registration for this address
- Range
- 61.
19. 144. 0/ 22 - Netname
- CAT-North
- Registrant
- 492 Changmai-Lumpang Road Muang changmai
- Registrant country
- TH
- Organization
- 492 Changmai-Lumpang Road Muang changmai
- Org country
- TH
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 19, 2025
- Maintainer
- MAINT-NTPCL-TH
- Sub-assignment
- 61.
19. 145. 161/ 32 - RIR
- APNIC
- Country
- TH
- Delegated
- Mar 31, 2003
- Status
- assigned
Report abuse
Abuse contact
- pitoon.
p@ ntplc. co. th - Name
- ABUSE NTPCLTH
- Handle
- AN3307-AP