Data as of Nov 4, 2026
203.162.5.0/24
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 | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.162.0.0/21 since Jun 2018 | AS45899 | Residential | 126 3 always on | Vietnam Posts and Telecommunications Group via VietNam Data Communication Company | |
| 203.162.0.0/16 since Jul 2020 | AS45899 | Residential | 4,119 60 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 | — | [email protected] |
| └ 203.162.0.0 - 203.162.8.255 | 2,304 | VDC-NET | VietNam Data Communication Company | ALLOCATED NON-PORTABLE | — | [email protected] via VNPT-VN |
| └ 203.162.5.8 - 203.162.5.23 | 16 | CINET-NET | Culture Information Network | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.24/29 | 8 | PHUONGNAM-NET | Vietnam Exhibition and Fair Centre | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.40/29 | 8 | VASC-NET | Value Added Service Company | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.48/29 | 8 | PSV-NET | unknown | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.56/29 | 8 | ZUELLIGPHARMANET-NET | unknown | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.72/29 | 8 | SWE-NET | Sweden Embassy | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.80/28 | 16 | SWE-NET | MOFA | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.104 - 203.162.5.135 | 32 | TTXVN-NET | TTXVN | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.184 - 203.162.5.199 | 16 | REFER-NET | French language Community (AUPEULF) | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.200 - 203.162.5.215 | 16 | IT-NET | National Informatic Technology Program | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.216 - 203.162.5.231 | 16 | VISTA-NET | National Center for Sciencific and Technological | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.5.240/29 | 8 | UNDP-NET | United Nation Development Program | 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.
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 | |
|---|---|---|---|---|
| Business | 160 | 63% | 12 | |
| Residential | 96 | 38% | 7 |
Network & registry
Announced by
Covering announcement 203.162.4.0/23
- Prefix
- 203.162.4.0/23
- Announced by
- AS45899 VNPT Corp
- 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
- 203.162.0.0/16
- Registration type
- ALLOCATED PORTABLE
- Reallocated to
- VietNam Data Communication Company
- Reallocated range
- 203.162.0.0 - 203.162.8.255
- 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
- 6
Routing timeline
Covering aggregate above, the prefix's own history below
203.162.4.0/23
Routing history
- Pattern
- Stable
- First seen
- Oct 2017
- Current origin since
- Oct 2017 · 9.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.162.0.0/21 | AS45899 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.162.0.0 - 203.162.8.255
- 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
- Jan 14, 2010
- Maintainer
- MAINT-VN-VNPT
- RIR
- APNIC
- Country
- VN
- Delegated
- Aug 9, 1995
- Status
- assigned