Data as of Nov 7, 2026
122.154.82.0/24
No anonymizer space · no proxy exits in 30 daysSilpakorn University · space held by National Telecom Public Company Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 122.154.64.0/19 since Nov 2025 | AS9931 | Unknown | 31 1 always on | National Telecom Public Company Limited | |
| 122.154.64.0/18 since Jun 2026 | AS9931 | Internet provider | 106 1 always on | National Telecom Public Company Limited | |
| 122.154.0.0/16 since Jan 2007 | AS9931 | Internet provider | 828 21 always on | National Telecom Public Company Limited |
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. |
| └ 122.154.64.0/19 | 8,192 | CAT-West | unknown | 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
- Not named in the registry
- Reallocated range
- 122.
154. 64. 0/ 19 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS140618
TH
- Name
- Silpakorn University
- Type
- Education
- Registered
- May 1, 2020
- Domain
- su.ac.th
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2020
- Current origin since
- Jun 2020 · 6.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 122.154.82.0/24 | AS140618 | /24 | APNIC | RPKI valid |
| 122.154.64.0/18 | AS9931 | /19 | APNIC | Another network |
| 122.154.0.0/16 | AS9931 | /16 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 122.
154. 64. 0/ 19 - Netname
- CAT-West
- Registrant country
- TH
- Organization
- Not stated by the registry
- 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