Data as of Nov 13, 2026
203.113.158.0/23
No anonymizer space · no proxy exits in 30 daysViettel Group · reallocated from Viettel Corporation
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.113.128.0/18 since Oct 2005 | AS7552 | Residential | 24 6 always on | Viettel Corporation |
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 |
|---|---|---|---|---|---|---|
| 203.113.128.0/18 | 16,384 | VIETEL-VNNIC-VN | Viettel Corporation | ALLOCATED PORTABLE | — | hm-changed@ |
| └ 203.113.144.0/20 | 4,096 | VIETTEL-VN | Viettel Group | ALLOCATED NON-PORTABLE | — | hm-changed@ |
| └ 203.113.158.0/23 | 512 | IPCorenetwork-Net | Dai IP cho Vietel | ASSIGNED NON-PORTABLE | — | hm-changed@ via VIETTEL-VN |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 203.113.156.0/22
- Prefix
- 203.113.156.0/22
- Announced by
- AS7552 Viettel Group
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- VIETTEL-VN
- Registrant
- Viettel Group
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Viettel Corporation
- Range
- 203.
113. 128. 0/ 18 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Viettel Group
- Reallocated range
- 203.
113. 144. 0/ 20 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS7552
VN
- Name
- Viettel Group
- Type
- Internet provider
- Registered
- Oct 8, 2002
- Domain
- viettel.com.vn
- Website
- www.viettel.com.vn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 4
Routing timeline
Covering aggregate above, the prefix's own history below
203.113.156.0/22
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.113.128.0/19 | AS7552 | /24 | APNIC | RPKI valid |
| 203.113.128.0/19 | AS24086 | /24 | APNIC | Another network |
| 203.113.128.0/19 | AS38731 | /24 | APNIC | Another network |
IRR
Route objects on 203.113.156.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7552 | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Feb 10, 2023 |
| AS7552 | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Aug 30, 2005 |
| AS7552 | RADB | Proxy-registered route object | MAINT-AS3491 | Mar 28, 2025 |
| AS7552 | NTTCOM | route object of AS7552 | MAINT-VIETTEL | Jul 31, 2006 |
| AS24086 not the origin | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Aug 27, 2025 |
| AS38731 not the origin | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Aug 27, 2025 |
Whois
Registration for this announcement
- Range
- 203.
113. 144. 0/ 20 - Netname
- VIETTEL-VN
- Registrant
- Viettel Group
- Registrant country
- VN
- Organization
- Viettel Group
- Org country
- VN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 12, 2017
- Maintainer
- MAINT-VN-VIETEL
- RIR
- APNIC
- Country
- VN
- Delegated
- Sep 4, 2002
- Status
- assigned
Report abuse
Abuse contact
- hm-changed@
vnnic. vn - Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP