Data as of Nov 4, 2026
203.162.138.0/23
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 | 4,119 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] |
| └ 203.162.128.0/20 | 4,096 | VDC-NET | VietNam Data Communication Company | ALLOCATED NON-PORTABLE | — | [email protected] via VNPT-VN |
| └ 203.162.138.0/24 | 256 | dialupvungtau-net | ip range belong to VDC and was sub assigned for dialup service of VungTauPT | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.8/29 | 8 | VASC-NET | Value Added Service Company | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.16/29 | 8 | CTU-NET | Can Tho Uniniversity | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.40/29 | 8 | SKF-NET | SKF Vietnam | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.48/29 | 8 | TBLMEDIA-NET | TBL Co., Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.56/29 | 8 | CHIHUNGCO-NET | Chi Hung Co Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.64/29 | 8 | TECOHCM-NET | TeCo HCM Co Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.72/29 | 8 | TTTCOMPANY-NET | TTT company | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.80/29 | 8 | ACNIELSEN-NET | ACNielsen Vietnam Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.88/29 | 8 | RMIT-NET | RMIT International University Vietnam | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.96/29 | 8 | ICN04-NET | The industrial college N0 4 | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.104/29 | 8 | TMA-NET | Tuong MInh Co Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.112/29 | 8 | MCD-NET | Mc Connell Dowell | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.120/29 | 8 | CONARES-NET | Conares Metal Supply Co Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.128/29 | 8 | CIBA-NET | CIBA Specialy chemcals services | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.136/29 | 8 | CHANGSHIN-NET | Chang Sin VN | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.144/29 | 8 | HPT-NET | HPT Vietnam | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.152/29 | 8 | MITANI-NET | Mitani Sangyo Co Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.160/29 | 8 | VINHHUNGCO-NET | Vinh Hung Co Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.168/29 | 8 | HCMCSTC-NET | Ho Chi Minh city Securities trading center | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.176/29 | 8 | HAHNFILM-NET | Hahnfilm Co Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.184/29 | 8 | ESOFTWARE-NET | Exact Software Vietnam Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.192/29 | 8 | MITOCHU-NET | Marubeni Itochu | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.200/29 | 8 | PVS-NET | PVS Corp | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.208/29 | 8 | SUNNYTRANS-NET | Sunny Transportation Co., Ltd & Synnytrans | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.216/29 | 8 | LABORATORIES-NET | Laboratories | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.224/29 | 8 | COMTEXTILE-NET | Comtextile Hongkong | ASSIGNED NON-PORTABLE | — | [email protected] via VDC-NET |
| └ 203.162.139.232/29 | 8 | IFPSO-NET | Mishubishi Corporation for Rang Dong IFPSO | 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 | 296 | 58% | 3 | |
| Business | 216 | 42% | 27 |
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
- 6
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2014
- Current origin since
- Oct 2017 · 9.1 yr
- Origin networks
- 2
- Last change of origin
- Oct 2017
Recorded history
History
- Handoffs
- 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 |
|---|---|---|---|---|---|
| 203.162.138.0/24 | AS45899 | RADB | VNPT-Net | MAINT-AS45899 | Nov 13, 2023 |
| 203.162.138.0/24 | AS45899 | APNIC | VNPT | MAINT-VN-VNPT | Jul 29, 2022 |
| 203.162.139.0/24 | AS45899 | RADB | VNPT-Net | MAINT-AS45899 | Nov 13, 2023 |
| 203.162.139.0/24 | 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