Data as of Nov 7, 2026
203.162.53.0/24
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 the announcement: those covering it, widest first, then every record inside it, 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 |
| └ 203.162.53.208/29 | 8 | SPT-NET | SPT Company Representative Office | ASSIGNED NON-PORTABLE | — | hm-changed@ via SAIGONNET-NET |
| └ 203.162.53.224/29 | 8 | PHOTRON-NET | Viet Nam Photron Joined Stock Technologies Company | 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 176 | 69% | 3 | |
| Business | 80 | 31% | 3 |
Network & registry
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
Summary
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