Data as of Nov 3, 2026
61.233.18.0/24
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 this block, widest first, each 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] |
| └ 61.233.18.0/24 | 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.
Network & registry
Announced by
Covering announcement 61.233.16.0/21
- Prefix
- 61.233.16.0/21
- Announced by
- AS24138 China TieTong Telecommunications Corporation
- Type
- Internet provider
- Proxy exits
- 1
- RPKI
- RPKI valid
- Netname
- CTTNET
- Registrant
- China TieTong Telecommunications Corporation
- RIR
- APNIC
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
61.233.16.0/21
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 |
|---|---|---|---|---|
| 61.233.16.0/21 | 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