Data as of Nov 7, 2026
203.162.53.0/26
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 |
|---|---|---|---|---|---|
| 203.162.0.0/16 since Jul 2020 | AS45899 | Residential | 4,184 56 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 |
|---|---|---|---|---|---|---|
| 203.162.0.0/16 | 65,536 | VNPT-VN | Vietnam Posts and Telecommunications Group | ALLOCATED PORTABLE | — | hm-changed@ |
| └ 203.162.52.0/23 | 512 | VDC-NET | VietNam Data Communication Company | ALLOCATED NON-PORTABLE | — | hm-changed@ via VNPT-VN |
| └ 203.162.53.0/24 | 256 | SAIGONNET-NET | Saigon Posts and Telecommunications Corporation (SPT) | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.53.0/26 | 64 | STELECOM-NET | Stelecom Mobile Phone Center | ASSIGNED NON-PORTABLE | — | hm-changed@ via SAIGONNET-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 203.162.53.0/24
- Prefix
- 203.162.53.0/24
- Announced by
- AS7643 Vietnam Posts and Telecommunications (VNPT)
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- SAIGONNET-NET
- Registrant
- Saigon Posts and Telecommunications Corporation (SPT)
- RIR
- APNIC
Registry
Holder
- Organization
- Vietnam Posts and Telecommunications Group
- Range
- 203.
162. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- VietNam Data Communication Company
- Reallocated range
- 203.
162. 52. 0/ 23 - 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
203.162.53.0/24
Routing history
- Pattern
- Stable
- First seen
- Jan 2015
- Current origin since
- Jan 2015 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.162.53.0/24 | AS7643 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
162. 53. 0/ 24 - Netname
- SAIGONNET-NET
- Registrant
- Saigon Posts and Telecommunications Corporation (SPT)
- Registrant country
- VN
- Organization
- Saigon Posts and Telecommunications Corporation (SPT)
- Org country
- VN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 4, 2008
- Maintainer
- VNPT
- RIR
- APNIC
- Country
- VN
- Delegated
- Nov 23, 1998
- Status
- assigned