Data as of Nov 7, 2026
42.247.37.0/24
No anonymizer space · no proxy exits in 30 daysChina Education and Research Network Center · space held by China Education and Research Network
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 |
|---|---|---|---|---|---|---|
| 42.244.0.0/14 | 262,144 | NJR-CERNET | China Education and Research Network | ALLOCATED PORTABLE | — | abuse@ |
| └ 42.247.37.0/24 | 256 | DKHCDNDNSXA-CN | Xi'an, Shaanxi 710049, China | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
Announced by
Covering announcement 42.246.0.0/15
- Prefix
- 42.246.0.0/15
- Announced by
- AS4538 China Education and Research Network Center
- Type
- Business
- Proxy exits
- 140
- Always-on exits
- 2
- RPKI
- No RPKI
- Netname
- NJR-CERNET
- Registrant
- China Education and Research Network
- RIR
- APNIC
Origin network
AS4538
CN
- Name
- China Education and Research Network Center
- Type
- Education
- Registered
- Aug 1, 2002
- Domain
- cernet.edu.cn
- Website
- www.edu.cn
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 42.246.0.0/15
42.246.0.0/15
Routing history
- Pattern
- Stable
- First seen
- Oct 2016
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 1
IRR
Route objects on 42.246.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4538 | APNIC | CERNET | MAINT-CERNET-AP | Mar 14, 2017 |
Whois
Registration for this announcement
- Range
- 42.
244. 0. 0/ 14 - Netname
- NJR-CERNET
- Registrant
- China Education and Research Network
- Registrant country
- CN
- Organization
- China Education and Research Network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 3, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 18, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP