Data as of Nov 14, 2026
203.162.131.0/24
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 |
|---|---|---|---|---|---|
| 203.162.128.0/21 since Aug 2016 | AS45899 | Residential | 2 | Vietnam Posts and Telecommunications Group via VietNam Data Communication Company | |
| 203.162.0.0/16 since Jul 2020 | AS45899 | Residential | 4,521 25 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@ |
| └ 203.162.128.0/20 | 4,096 | VDC-NET | VietNam Data Communication Company | ALLOCATED NON-PORTABLE | — | hm-changed@ via VNPT-VN |
| └ 203.162.131.24/29 | 8 | ZAMILSTEEL-NET | Zamil Steel buildings - Vietnam Co., Ltd. | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.32/29 | 8 | VAT-NET | Viet - Australia training project | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.40/29 | 8 | VITRA-NET | VITRANET | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.48/28 | 16 | VASC-NET | Vietnam Advance Software Company | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.64/29 | 8 | UNICEF-NET | Unicef | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.80/29 | 8 | posco-net | Posco | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.88/29 | 8 | youandmeshop-net | You and me Shop | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.96/29 | 8 | vscposco-net | VSC - Posco | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.104/29 | 8 | RIPT-NET | Reseach Institute of Posts and Telecommunications | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.160/29 | 8 | HUFT-NET | Hanoi University of Foreign Trade | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.168/29 | 8 | HANTEX-NET | Hantex Company | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.176/29 | 8 | NASOFT-NET | NASOFT Center | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.184/29 | 8 | VTN-NET | VTN company | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.192/29 | 8 | AIRSERCO-HN-NET | AIRAERCO | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.200/29 | 8 | CSHCN-NET | Cuc so huu cong nghiep | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.208/29 | 8 | ATIHRO-NET | Alcatel Trade International Representative Office | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.216/29 | 8 | SAT-NET | SAT Vietnam | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.224/29 | 8 | AUNI-NET | Hanoi Architect university | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.232/29 | 8 | NLV-NET | Hanoi Nation Library | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.131.240/29 | 8 | TCDCNHN-NET | Hanoi higher Industry school | 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
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 168 | 66% | 20 | |
| Residential | 88 | 34% | 4 |
Network & registry
Announced by
Covering announcement 203.162.130.0/23
- Prefix
- 203.162.130.0/23
- Announced by
- AS45899 VNPT Corp
- Type
- Residential
- Proxy exits
- 1
- 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. 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
203.162.130.0/23
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 |
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