Data as of Nov 4, 2026
123.30.74.0/24
No anonymizer space · no proxy exits in 30 daysVNPT Corp · space held by Vietnam Posts and Telecommunications Group
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 123.30.74.0/23 since Jul 2017 | AS45899 | Residential | Vietnam Posts and Telecommunications Group |
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 |
|---|---|---|---|---|---|---|
| 123.16.0.0/12 | 1,048,576 | VNPT-VN | Vietnam Posts and Telecommunications Group | ALLOCATED PORTABLE | — | [email protected] |
| └ 123.30.74.0/24 | 256 | CUCBUUDIENTW-NET | Cuc Buu dien TW | ASSIGNED NON-PORTABLE | — | [email protected] via VNPT-VN |
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
IPv4 market
Holder
- Organization
- Vietnam Posts and Telecommunications Group
- Range
- 123.16.0.0/12
- Registration type
- ALLOCATED PORTABLE
Origin network
AS45899
VN
- Name
- VNPT Corp
- Type
- Internet provider
- Registered
- Aug 28, 2009
- Domain
- vnpt.vn
- Website
- www.vnpt.vn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 6
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2013
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Aug 2016
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 123.30.74.0/23 | AS45899 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 123.30.74.0/24
- Netname
- CUCBUUDIENTW-NET
- Registrant
- Cuc Buu dien TW
- Registrant country
- VN
- Organization
- Cuc Buu dien TW
- Org country
- VN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 14, 2008
- Maintainer
- MAINT-VN-VNPT
- RIR
- APNIC
- Country
- VN
- Delegated
- Jan 11, 2007
- Status
- assigned