Data as of Nov 4, 2026
203.162.10.0/23
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 |
|---|---|---|---|---|---|
| 203.162.8.0/22 since Nov 2022 | AS45899 | Residential | 29 | Vietnam Posts and Telecommunications Group | |
| 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 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 | — | [email protected] |
| └ 203.162.10.0 - 203.162.15.255 | 1,536 | VDC-NET | VietNam Data Communication Company | ALLOCATED NON-PORTABLE | — | [email protected] via VNPT-VN |
| └ 203.162.10.32/27 | 32 | EVN-NET | Electrical Vietnam Corporation | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.10.64/27 | 32 | VITRA-NET | Mang thong tin Thuong mai thi truong VITRANET | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.10.96/27 | 32 | CDIT | Centre for development of information technology | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.11.192/27 | 32 | VNU-NET | Vietnam nation University | 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
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 384 | 75% | 3 | |
| Business | 128 | 25% | 4 |
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
- 203.162.10.0 - 203.162.15.255
- 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
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2015
- Current origin since
- Oct 2017 · 9.1 yr
- Origin networks
- 2
- Last change of origin
- Jul 2017
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.162.8.0/22 | AS45899 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.162.10.0/24 | AS45899 | RADB | VNPT-Net | MAINT-AS45899 | Nov 13, 2023 |
| 203.162.10.0/24 | AS45899 | APNIC | VNPT | MAINT-VN-VNPT | Aug 9, 2022 |
| 203.162.11.0/24 | AS45899 | RADB | VNPT-Net | MAINT-AS45899 | Nov 13, 2023 |
| 203.162.11.0/24 | AS45899 | APNIC | VNPT | MAINT-VN-VNPT | Aug 9, 2022 |
Whois
Registration for this announcement
- Range
- 203.162.10.0 - 203.162.15.255
- 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
- Mar 25, 2009
- Maintainer
- MAINT-VN-VNPT
- RIR
- APNIC
- Country
- VN
- Delegated
- Nov 2, 1998
- Status
- assigned