Data as of Nov 3, 2026
81.173.21.0/24
No anonymizer space · no proxy exits in 30 daysChina Telecom · space held by China Telecom Europe Ltd.
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 |
|---|---|---|---|---|---|---|
| 81.173.16.0/20 | 4,096 | UK-CHINATELECOM-20030219 | China Telecom Europe Ltd. (ORG-CTEL2-RIPE) · GB | ALLOCATED PA | Aug 4, 2017 | [email protected] |
| └ 81.173.21.0/24 | 256 | CTE-NET | China Telecom (Europe) Ltd. | ASSIGNED PA | May 12, 2020 | [email protected] via UK-CHINATELECOM-20030219 |
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
Registry
Holder
- Organization
- China Telecom Europe Ltd.
- Handle
- ORG-CTEL2-RIPE
- Range
- 81.173.16.0/20
- Registration type
- ALLOCATED PA
- Record created
- Aug 4, 2017
Origin network
AS4134
CN
- Name
- China Telecom
- Type
- Internet provider
- Registered
- Aug 1, 2002
- Domain
- chinatelecom.com.cn
- Website
- en.chinatelecom.com.cn/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2018
- Current origin since
- Jul 2018 · 8.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.173.21.0/24 | AS4134 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 81.173.21.0/24
- Netname
- CTE-NET
- Registrant
- China Telecom (Europe) Ltd.
- Registrant country
- DE
- Organization
- China Telecom (Europe) Ltd.
- Org country
- DE
- Type
- ASSIGNED PA
- Created
- May 12, 2020
- Updated
- May 12, 2020
- Maintainer
- CTE-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Feb 19, 2003
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse-C Role
- Handle
- AR17557-RIPE