Data as of Nov 8, 2026
203.171.28.0/23
No anonymizer space · no proxy exits in 30 daysCMC Telecom Infrastructure Company
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.171.28.0/22 since Sep 2019 | AS45903 | Business | 64 3 always on | CMC Telecom Infrastructure Company | |
| 203.171.24.0/21 since Oct 2019 | AS45903 | Business | 72 4 always on | 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
- Reactivated
- First seen
- Sep 2012
- Current origin since
- Jan 2024 · 2.8 yr
- Origin networks
- 3
- Last change of origin
- Jan 2024
Recorded history
History
- Handoffs
- 2
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 the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.171.28.0/24 | AS45903 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| 203.171.28.0/24 | AS45903 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Dec 5, 2024 |
| 203.171.28.0/24 | AS45903 | APNIC | CMCTELECOM-VN | MAINT-VN-VNNIC | Sep 16, 2022 |
| 203.171.29.0/24 | AS45903 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| 203.171.29.0/24 | AS45903 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Dec 5, 2024 |
| 203.171.29.0/24 | 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