Data as of Nov 4, 2026
1.51.64.0/18
No anonymizer space · no proxy exits in 30 daysChina Education and Research Network Center · space held by China Education and Research Network
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 1.51.112.0/24 | AS4538 | Business | China Education and Research Network | |
| 1.51.120.0/21 | AS4538 | Business | China Education and Research Network |
Network & registry
Announced by
Covering announcement 1.51.0.0/16
- Prefix
- 1.51.0.0/16
- Announced by
- AS4538 China Education and Research Network Center
- Type
- Business
- Proxy exits
- 1
- 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 1.51.0.0/16
1.51.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Jul 2010
- Current origin since
- Jul 2010 · 16 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 1.51.0.0/16
- 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
- Jul 12, 2010
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CERNETAP
- Handle
- AC1685-AP