Data as of Nov 5, 2026
58.196.0.0/15
No anonymizer spaceChina Education and Research Network Center · space held by China Education and Research Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 58.192.0.0/12 since Mar 2007 | AS4538 | Business | 429 10 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 |
|---|---|---|---|---|
| 58.196.128.0/19 since Mar 2025 | AS4538 | Business | China Education and Research Network | |
| 58.196.128.0/20 | AS4538 | Business | China Education and Research Network | |
| 58.196.144.0/20 | AS4538 | Business | China Education and Research Network | |
| 58.196.160.0/20 since Mar 2025 | AS4538 | Business | China Education and Research Network | |
| 58.196.160.0/21 | AS4538 | Business | China Education and Research Network | |
| 58.196.168.0/21 | AS4538 | Business | China Education and Research Network | |
| 58.196.176.0/23 | AS4538 | Business | China Education and Research Network | |
| 58.196.176.0/24 since Mar 2025 | AS4538 | Business | China Education and Research Network | |
| 58.196.177.0/24 since Mar 2025 | AS4538 | Business | China Education and Research Network | |
| 58.196.178.0/24 since Mar 2025 | 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
- Jun 2005
- Current origin since
- Jun 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 58.196.192.0/19 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 58.196.192.0/19 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| 58.196.224.0/20 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 58.196.224.0/20 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| 58.197.0.0/19 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 58.197.0.0/19 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| 58.197.32.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 58.197.32.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| 58.197.33.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 58.197.33.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
Whois
Registration for this announcement
- Range
- 58.
196. 0. 0/ 15 - Netname
- CERNET-3TN
- 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
- Jun 17, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP