Data as of Nov 5, 2026
42.122.56.0/21
No anonymizer space · no proxy exits in 30 daysASN for TIANJIN Provincial Net of CT · space held by Chinanet Tianjin Province Network
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 42.122.63.0/24 since May 2026 | AS58777 | Business | Chinanet Tianjin Province Network |
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 | |
|---|---|---|---|---|
| Residential | 1,792 | 88% | 1 | |
| Business | 256 | 13% | 1 |
Network & registry
Announced by
Covering announcement 42.122.0.0/16
- Prefix
- 42.122.0.0/16
- Announced by
- AS17638 ASN for TIANJIN Provincial Net of CT
- Type
- Residential
- Proxy exits
- 198
- RPKI
- No RPKI
- Netname
- CHINANET-TJ
- Registrant
- Chinanet Tianjin Province Network
- RIR
- APNIC
Origin network
AS17638
CN
- Name
- ASN for TIANJIN Provincial Net of CT
- Type
- Internet provider
- Registered
- Nov 18, 2002
- Domain
- cndata.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 42.122.0.0/16
42.122.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Mar 2013
- Current origin since
- Mar 2013 · 14 yr
- Origin networks
- 1
IRR
Route objects on 42.122.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS17638 | RADB | ASN for TIANJIN Provincial Net of CT | MAINT-CT-GNOC | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 42.
122. 0. 0/ 16 - Netname
- CHINANET-TJ
- Registrant
- Chinanet Tianjin Province Network
- Registrant country
- CN
- Organization
- Chinanet Tianjin Province Network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 15, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Feb 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- anti-spam@
chinatelecom. cn - Name
- ABUSE CHINANETCN
- Handle
- AC1573-AP