Data as of Nov 4, 2026
203.162.18.0/23
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 |
|---|---|---|---|---|---|
| 203.162.16.0/21 since Aug 2016 | AS45899 | Residential | 61 | 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 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] |
| └ 203.162.16.0/20 | 4,096 | VDC-NET | VietNam Data Communication Company | ALLOCATED NON-PORTABLE | — | [email protected] via VNPT-VN |
| └ 203.162.18.8/29 | 8 | HIPT-NET | HIPT | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.16/29 | 8 | FINTEC-NET | The Corporation for financing Industry Technology | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.24/29 | 8 | DHYHN-NET | Hanoi Medicine University - DHYHN | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.32/29 | 8 | globalsource-net | Global Sources Net LTD | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.40/29 | 8 | VTOC-NET | Vietnam Tourist Corporation | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.48/29 | 8 | NOIBAIAIRPORT-NET | Northern Airport | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.56/29 | 8 | DHSPHN-NET | Hanoi education university | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.64/29 | 8 | FEC-NET | French Economic Council | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.72/29 | 8 | CISCO-NET | Cisco Vietnam | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.80/29 | 8 | NTC-NET | Niem Tin Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.88/29 | 8 | BRITISHCOUNCIL-NET | British Council | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.96/29 | 8 | HILTON-NET | Hilton Hanoi Opera Hotel | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.104/29 | 8 | VSAT-NET | Vsat TDM/Tdma | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.112/29 | 8 | THUANQUOC-NET | Thuan Quoc Co Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.120/29 | 8 | vietcombank-net | Vietcombank | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.128/29 | 8 | phongvhdaibac-net | Van phong Kinh te va Van hoa Dai Bac tai Ha Noi | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.136/29 | 8 | easynet-net | Cong ty TNHH Thiet bi Bao ve va Tin hoc | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.144/29 | 8 | fortuna-net | Fortuna Ha Noi Hotel | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.152/29 | 8 | fao-net | Fao | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.160/29 | 8 | vietaustraining-net | Viet Nam Australia Training | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.168/29 | 8 | nea-net | Cuc moi truong | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.176/29 | 8 | vnbic-net | Internet Cafe | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.184/29 | 8 | pwcglobal-net | Price Water House Coopers | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.192/29 | 8 | schmidtvn-net | Schmidt Vietnam | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.200/29 | 8 | bsneu-net | Vien Quan tri Kinh doanh - Dai hoc KTQD | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.208/29 | 8 | avland-net | Cong ty AV | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.224/29 | 8 | sbv-net | Sumitomo Bakelite Vietnam | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.18.232/29 | 8 | kktv-net | Trung tam Quoc gia Du bao khi tuong Thuy van | 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 | 288 | 56% | 3 | |
| Business | 224 | 44% | 28 |
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
- 203.162.16.0/20
- 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
- 6
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2017
- Current origin since
- Oct 2017 · 9.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.162.16.0/20 | AS45899 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.162.18.0/24 | AS45899 | RADB | VNPT-Net | MAINT-AS45899 | Nov 13, 2023 |
| 203.162.18.0/24 | AS45899 | APNIC | VNPT | MAINT-VN-VNPT | Aug 9, 2022 |
| 203.162.19.0/24 | AS45899 | RADB | VNPT-Net | MAINT-AS45899 | Nov 13, 2023 |
| 203.162.19.0/24 | AS45899 | APNIC | VNPT | MAINT-VN-VNPT | Aug 9, 2022 |
Whois
Registration for this announcement
- Range
- 203.162.16.0/20
- 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
- Nov 23, 1998
- Status
- assigned