Data as of Nov 13, 2026
203.162.136.0/22
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 |
|---|---|---|---|---|---|
| 203.162.0.0/16 since Jul 2020 | AS45899 | Residential | 4,497 23 always on | Vietnam Posts and Telecommunications Group |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.162.136.0/23 since Oct 2017 | AS45899 | Residential | Vietnam Posts and Telecommunications Group via VietNam Data Communication Company | |
| 203.162.138.0/23 since Oct 2017 | AS45899 | Residential | Vietnam Posts and Telecommunications Group via VietNam Data Communication Company |
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 |
| └ 203.162.136.32/27 | 32 | SKG-NET | SK Global34 Le Duan st., Ben Nghe | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.136.64/27 | 32 | PETROLEUM-NET | Japan VN Petroleum | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.136.96/27 | 32 | REH-NET | Electronics and radio association | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.136.128/26 | 64 | SAIGONNET-NET | Saigon Posts and Telecommunications Corporation (SPT) | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.136.192/27 | 32 | GPC-NET | Cong ty Dich vu Vien Thong GPC | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 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 | — | hm-changed@ via VDC-NET |
| └ 203.162.139.8/29 | 8 | VASC-NET | Value Added Service Company | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.16/29 | 8 | CTU-NET | Can Tho Uniniversity | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.40/29 | 8 | SKF-NET | SKF Vietnam | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.48/29 | 8 | TBLMEDIA-NET | TBL Co., Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.56/29 | 8 | CHIHUNGCO-NET | Chi Hung Co Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.64/29 | 8 | TECOHCM-NET | TeCo HCM Co Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.72/29 | 8 | TTTCOMPANY-NET | TTT company | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.80/29 | 8 | ACNIELSEN-NET | ACNielsen Vietnam Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.88/29 | 8 | RMIT-NET | RMIT International University Vietnam | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.96/29 | 8 | ICN04-NET | The industrial college N0 4 | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.104/29 | 8 | TMA-NET | Tuong MInh Co Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.112/29 | 8 | MCD-NET | Mc Connell Dowell | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.120/29 | 8 | CONARES-NET | Conares Metal Supply Co Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.128/29 | 8 | CIBA-NET | CIBA Specialy chemcals services | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.136/29 | 8 | CHANGSHIN-NET | Chang Sin VN | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.144/29 | 8 | HPT-NET | HPT Vietnam | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.152/29 | 8 | MITANI-NET | Mitani Sangyo Co Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.160/29 | 8 | VINHHUNGCO-NET | Vinh Hung Co Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.168/29 | 8 | HCMCSTC-NET | Ho Chi Minh city Securities trading center | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.176/29 | 8 | HAHNFILM-NET | Hahnfilm Co Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.184/29 | 8 | ESOFTWARE-NET | Exact Software Vietnam Ltd | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.192/29 | 8 | MITOCHU-NET | Marubeni Itochu | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.200/29 | 8 | PVS-NET | PVS Corp | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.208/29 | 8 | SUNNYTRANS-NET | Sunny Transportation Co., Ltd & Synnytrans | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.216/29 | 8 | LABORATORIES-NET | Laboratories | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.224/29 | 8 | COMTEXTILE-NET | Comtextile Hongkong | ASSIGNED NON-PORTABLE | — | hm-changed@ via VDC-NET |
| └ 203.162.139.232/29 | 8 | IFPSO-NET | Mishubishi Corporation for Rang Dong IFPSO | 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
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 616 | 60% | 5 | |
| Business | 408 | 40% | 32 |
Network & registry
Announced by
Covering announcement 203.162.136.0/21
- Prefix
- 203.162.136.0/21
- 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. 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
203.162.136.0/21
Routing history
- Pattern
- Stable
- First seen
- Aug 2016
- Current origin since
- Aug 2016 · 10 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