Data as of Nov 15, 2026
203.162.136.0/23
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 | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.162.136.0/21 since Aug 2016 | AS45899 | Residential | Vietnam Posts and Telecommunications Group via VietNam Data Communication Company | ||
| 203.162.0.0/16 since Jul 2020 | AS45899 | Residential | 4,588 24 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@ |
| └ 203.162.128.0/20 | 4,096 | VDC-NET | VietNam Data Communication Company | ALLOCATED NON-PORTABLE | — | hm-changed@ via VNPT-VN |
| └ 203.162.136.32/27 | 32 | SKG-NET | SK Global34 Le Duan st., Ben Nghe | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.136.64/27 | 32 | PETROLEUM-NET | Japan VN Petroleum | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.136.96/27 | 32 | REH-NET | Electronics and radio association | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.136.128/26 | 64 | SAIGONNET-NET | Saigon Posts and Telecommunications Corporation (SPT) | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.136.192/27 | 32 | GPC-NET | Cong ty Dich vu Vien Thong GPC | ASSIGNED NON-PORTABLE | — | hm-changed@ 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 320 | 63% | 2 | |
| Business | 192 | 38% | 5 |
Network & registry
IPv4 market
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. 128. 0/ 20 - Reallocation type
- ALLOCATED NON-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
- 7
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2017
- Current origin since
- Oct 2017 · 9.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.162.128.0/20 | AS45899 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.162.136.0/24 | AS45899 | RADB | VNPT-Net | MAINT-AS45899 | Nov 13, 2023 |
| 203.162.136.0/24 | AS45899 | APNIC | VNPT | MAINT-VN-VNPT | Jul 29, 2022 |
| 203.162.137.0/24 | AS45899 | RADB | VNPT-Net | MAINT-AS45899 | Nov 13, 2023 |
| 203.162.137.0/24 | AS45899 | APNIC | VNPT | MAINT-VN-VNPT | Jul 29, 2022 |
Whois
Registration for this announcement
- Range
- 203.
162. 128. 0/ 20 - 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
- Jul 18, 2001
- Status
- assigned