Data as of Nov 5, 2026
49.120.0.0/14
No anonymizer spaceChina Education and Research Network Center · space held by China Education and Research Network
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 49.120.64.0/19 since Apr 2023 | AS4538 | Business | China Education and Research Network | |
| 49.122.0.0/20 | AS4538 | Business | China Education and Research Network | |
| 49.122.16.0/21 | AS4538 | Business | China Education and Research Network | |
| 49.122.24.0/21 | AS4538 | Business | China Education and Research Network | |
| 49.122.32.0/20 | AS4538 | Business | China Education and Research Network | |
| 49.122.64.0/22 | AS4538 | Business | China Education and Research Network | |
| 49.122.128.0/18 | AS4538 | Business | China Education and Research Network | |
| 49.122.191.0/24 | AS4538 | Business | China Education and Research Network | |
| 49.123.0.0/20 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 49.123.16.0/21 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 49.123.64.0/18 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network |
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2010
- Current origin since
- Oct 2010 · 16 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 49.
120. 0. 0/ 14 - Netname
- WHR-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
- Oct 4, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP