Data as of Nov 3, 2026
183.91.0.0/23
No anonymizer space · no proxy exits in 30 daysCMC Telecom Infrastructure Company
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 183.91.0.0/20 since Oct 2020 | AS45903 | Business | 197 28 always on | CMC Telecom Infrastructure Company |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 183.91.0.0/24 since Jun 2017 | AS45903 | Business | CMC Telecom Infrastructure Company | |
| 183.91.1.0/24 since Nov 2010 | AS45903 | Business | CMC Telecom Infrastructure Company |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2010
- Current origin since
- Oct 2020 · 6.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 183.91.0.0/21 | AS45903 | /24 | APNIC | RPKI valid |
| 183.91.0.0/20 | AS45903 | /20 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 183.91.0.0/19
- 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
- Nov 20, 2009
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP