Data as of Nov 8, 2026
203.171.22.0/24
No anonymizer space · no proxy exits in 30 daysCMC Telecom Infrastructure Company
Network & registry
Announced by
Covering announcement 203.171.22.0/23
- Prefix
- 203.171.22.0/23
- Announced by
- AS45903 CMC Telecom Infrastructure Company
- Type
- Business
- Proxy exits
- 1
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- CMCTELECOM-VN
- Registrant
- CMC Telecom Infrastructure Company
- RIR
- APNIC
Origin network
AS45903
VN
- Name
- CMC Telecom Infrastructure Company
- Type
- Internet provider
- Registered
- Aug 28, 2009
- Domain
- cmctelecom.vn
- Website
- cmctelecom.vn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.171.22.0/23
203.171.22.0/23
Routing history
- Pattern
- Stable
- First seen
- Jul 2019
- Current origin since
- Jul 2019 · 7.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.171.16.0/20 | AS45903 | /24 | APNIC | RPKI valid |
IRR
Route objects on 203.171.22.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS45903 | APNIC | CMCTELECOM-VN | MAINT-VN-VNNIC | Sep 16, 2022 |
Whois
Registration for this announcement
- Range
- 203.
171. 16. 0/ 20 - Netname
- CMCTELECOM-VN
- Registrant
- CMC Telecom Infrastructure Company
- Registrant country
- VN
- Organization
- CMC Telecom Infrastructure Company
- Org country
- VN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Aug 31, 2023
- Maintainer
- MAINT-VN-VNNIC
- RIR
- APNIC
- Country
- VN
- Delegated
- Apr 19, 2006
- Status
- assigned
Report abuse
Abuse contact
- hm-changed@
vnnic. vn - Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP