Data as of Nov 3, 2026
61.233.24.0/21
No anonymizer space · no proxy exits in 30 daysChina TieTong Telecommunications Corporation
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 61.233.16.0/20 since Sep 2017 | AS24138 | Internet provider | 1 | China TieTong Telecommunications Corporation | |
| 61.233.0.0/19 since Sep 2024 | AS9394 | Internet provider | 1 | China TieTong Telecommunications Corporation | |
| 61.233.0.0/16 since May 2005 | AS9394 | Internet provider | 1 |
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 |
|---|---|---|---|---|---|---|
| 61.232.0.0 - 61.237.255.255 | 393,216 | CTTNET | China TieTong Telecommunications Corporation | ALLOCATED PORTABLE | — | [email protected] |
| └ 61.233.29.0/24 | 256 | CRBjB | China Railcom Beijing Branch | ASSIGNED NON-PORTABLE | — | [email protected] via CTTNET |
| └ 61.233.30.0/25 | 128 | CRBjB | China Railcom Beijing Branch | ASSIGNED NON-PORTABLE | — | [email protected] via CTTNET |
| └ 61.233.31.0/24 | 256 | CRBjB | China Railcom Beijing Branch | ASSIGNED NON-PORTABLE | — | [email protected] via CTTNET |
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
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,920 | 94% | 2 | |
| Business | 128 | 6.3% | 1 |
Network & registry
Origin network
AS24138
CN
- Name
- China TieTong Telecommunications Corporation
- Type
- Internet provider
- Registered
- Aug 23, 2004
- Domain
- cmtietong.com
- 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 2007
- Current origin since
- Sep 2017 · 9.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 61.233.24.0/21 | AS24138 | /21 | APNIC | RPKI valid |
| 61.233.16.0/20 | AS24138 | /20 | APNIC | Too specific |
| 61.233.0.0/19 | AS9394 | /19 | APNIC | Another network |
| 61.233.0.0/16 | AS9394 | /16 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 61.232.0.0 - 61.237.255.255
- Netname
- CTTNET
- Registrant
- China TieTong Telecommunications Corporation
- Registrant country
- CN
- Organization
- China TieTong Telecommunications Corporation
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 16, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Jan 19, 2001
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CNNICCN
- Handle
- AC1601-AP