Data as of Nov 3, 2026
58.200.0.0/19
No anonymizer space · no proxy exits in 30 daysChina Education and Research Network Center · space held by China Education and Research Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 58.200.0.0/13 since Jun 2005 | AS4538 | Business | 69 4 always on | China Education and Research Network | |
| 58.192.0.0/12 since Mar 2007 | AS4538 | Business | 409 5 always on |
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 |
|---|---|---|---|---|
| 58.200.0.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.1.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.2.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.4.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.6.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.8.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.9.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.10.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.11.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.12.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.13.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.14.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.15.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.16.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.17.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.20.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.21.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.22.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.24.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.25.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.26.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.27.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.28.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 58.200.29.0/24 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2007
- Current origin since
- Oct 2018 · 8.0 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 58.200.0.0/13
- Netname
- CIS-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
- May 26, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CERNETAP
- Handle
- AC1685-AP