Data as of Nov 12, 2026
203.113.136.0/22
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 |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.113.136.0/24 since Jun 2021 | AS7552 | Residential | Viettel Corporation via Viettel Group | |
| 203.113.138.0/23 since Jul 2011 | AS7552 | Residential | Viettel Corporation via Viettel 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 |
|---|---|---|---|---|---|---|
| 203.113.128.0/18 | 16,384 | VIETEL-VNNIC-VN | Viettel Corporation | ALLOCATED PORTABLE | — | hm-changed@ |
| └ 203.113.128.0/20 | 4,096 | VIETTEL-VN | Viettel Group | ALLOCATED NON-PORTABLE | — | hm-changed@ |
| └ 203.113.136.0/24 | 256 | Leasedlineservice-Net | Ip range for Leased line service in Hanoi | ASSIGNED NON-PORTABLE | — | hm-changed@ via VIETTEL-VN |
| └ 203.113.137.0/24 | 256 | Leasedlineservice-Net | Ip range for Leased line service in Hanoi | ASSIGNED NON-PORTABLE | — | hm-changed@ via VIETTEL-VN |
| └ 203.113.138.0/30 | 4 | DAISUQUANMY-NET | American Embassy in Ha Noi | ASSIGNED NON-PORTABLE | — | hm-changed@ via VIETTEL-VN |
| └ 203.113.138.64/26 | 64 | VIETELMOBILE-NET | Vietel Mobilephone Center | ASSIGNED NON-PORTABLE | — | hm-changed@ via VIETTEL-VN |
| └ 203.113.138.224/28 | 16 | DeparmentoffinanceVietel-Net | Ip range for Vietel Department of finance | ASSIGNED NON-PORTABLE | — | hm-changed@ via VIETTEL-VN |
| └ 203.113.138.240/28 | 16 | USEmbassy-Net | Ip range for US Embassy | ASSIGNED NON-PORTABLE | — | hm-changed@ via VIETTEL-VN |
| └ 203.113.139.0/24 | 256 | HethongLapPKTcuaVietel-Net | Dai IP cho He thong Lap PKT cua 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.
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 | 924 | 90% | 5 | |
| Mobile | 64 | 6.3% | 1 | |
| Business | 36 | 3.5% | 3 |
Network & registry
IPv4 market
Holder
- Organization
- Viettel Corporation
- Range
- 203.
113. 128. 0/ 18 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Viettel Group
- Reallocated range
- 203.
113. 128. 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
- 2
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
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 the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7552 | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Feb 10, 2023 |
| AS7552 | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
| AS7552 | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Aug 30, 2005 |
| 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 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.113.136.0/23 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.113.136.0/23 | AS7552 | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Feb 10, 2023 |
| 203.113.136.0/23 | AS24086 | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Aug 27, 2025 |
| 203.113.136.0/23 | AS38731 | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Aug 27, 2025 |
| 203.113.137.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 203.113.137.0/24 | AS7552 | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Feb 10, 2023 |
| 203.113.137.0/24 | AS24086 | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Aug 27, 2025 |
| 203.113.137.0/24 | AS38731 | APNIC | VIETTEL-VN | MAINT-VN-VIETEL | Aug 27, 2025 |
Whois
Registration for this announcement
- Range
- 203.
113. 128. 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