Data as of Nov 4, 2026
222.255.121.0/25
No anonymizer space · no proxy exits in 30 daysVietnam Posts and Telecommunications (VNPT) · space held by Vietnam Posts and Telecommunications Group
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 222.255.120.0/21 since Jun 2018 | AS45899 | Residential | 167 1 always on | Vietnam Posts and Telecommunications Group via VietNam Data Communication Company | |
| 222.255.0.0/16 since Jul 2020 | AS45899 | Residential | 5,581 73 always on | Vietnam Posts and Telecommunications Group |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 222.252.0.0/14 | 262,144 | VNPT-VN | Vietnam Posts and Telecommunications Group | ALLOCATED PORTABLE | — | [email protected] |
| └ 222.255.74.0 - 222.255.223.255 | 38,400 | VDC-NET | VietNam Data Communication Company | ALLOCATED NON-PORTABLE | — | [email protected] via VNPT-VN |
| └ 222.255.121.0/25 | 128 | telehostingasiasoft-net | Telehosting Asia Soft | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
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
Announced by
Covering announcement 222.255.121.0/24
- Prefix
- 222.255.121.0/24
- Announced by
- AS7643 Vietnam Posts and Telecommunications (VNPT)
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- VDC-NET
- Registrant
- VietNam Data Communication Company
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Vietnam Posts and Telecommunications Group
- Range
- 222.252.0.0/14
- Registration type
- ALLOCATED PORTABLE
- Reallocated to
- VietNam Data Communication Company
- Reallocated range
- 222.255.74.0 - 222.255.223.255
- Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS7643
VN
- Name
- Vietnam Posts and Telecommunications (VNPT)
- Type
- Internet provider
- Registered
- Oct 14, 1997
- Domain
- vnpt.vn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
222.255.121.0/24
Routing history
- Pattern
- Stable
- First seen
- May 2014
- Current origin since
- May 2014 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 222.255.121.0/24 | AS7643 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 222.255.74.0 - 222.255.223.255
- Netname
- VDC-NET
- Registrant
- VietNam Data Communication Company
- Registrant country
- VN
- Organization
- VietNam Data Communication Company
- Org country
- VN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Mar 25, 2009
- Maintainer
- MAINT-VN-VNPT
- RIR
- APNIC
- Country
- VN
- Delegated
- May 18, 2004
- Status
- assigned