AS4538 China Education and Research Network Center 🇨🇳 CN
Announcing 5,167 prefixes, seen at the RIS collectors.
IPv4 prefixes
5,157
42,961,664 (167,819 × /24)
IPv6 prefixes
10
265 × /48
Upstreams
14
transit providers observed
Peers
8
settlement-free adjacencies
Downstreams
14
transit customers observed
Customer cone
88
ASes reachable through it
Registry and operator data
- AS number
- AS4538
- Name
- China Education and Research Network Center
- Organisation
- CERNET-CN
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2002-08-01
- Network type
- Educational/Research
- Scope
- Not Disclosed
- Peering policy
- Open
- Website
- http://www.edu.cn
- PeeringDB
- net/13851
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.apnic.net
aut-num: AS4538 as-name: ERX-CERNET-BKB descr: China Education and Research Network Center descr: Tsinghua University descr: Beijing 100084 country: CN remarks: This aut-num object created as part of remarks: the ER-Transfer from ARIN admin-c: CER-AP tech-c: CER-AP abuse-c: AC1685-AP mnt-lower: MAINT-CERNET-AP mnt-routes: MAINT-CERNET-AP mnt-by: APNIC-HM mnt-irt: IRT-CERNET-AP last-modified: 2025-10-31T08:14:57Z source: APNIC irt: IRT-CERNET-AP address: Network Center, address: FIT-3-220, Tsinghua Univ address: Beijing 100084, China phone: +86-10-62784301 fax-no: +86-10-62785933 e-mail: abuse@cernet.edu.cn abuse-mailbox: abuse@cernet.edu.cn admin-c: CER-AP tech-c: CER-AP auth: # Filtered remarks: timezone GMT+8 remarks: abuse@cernet.edu.cn was validated on 2026-09-10 mnt-by: MAINT-CERNET-AP last-modified: 2026-09-10T07:51:56Z source: APNIC role: ABUSE CERNETAP country: ZZ address: Network Center, address: FIT-3-220, Tsinghua Univ address: Beijing 100084, China phone: +86-10-62784301 e-mail: abuse@cernet.edu.cn admin-c: CER-AP tech-c: CER-AP nic-hdl: AC1685-AP remarks: Generated from irt object IRT-CERNET-AP remarks: abuse@cernet.edu.cn was validated on 2026-09-10 abuse-mailbox: abuse@cernet.edu.cn mnt-by: APNIC-ABUSE last-modified: 2026-09-10T07:52:32Z source: APNIC role: CERNET Helpdesk address: CERNET Center address: Beijing 100084, China country: CN phone: +86-10-6278-4049 fax-no: +86-10-6278-5933 e-mail: helpdesk@cernet.edu.cn remarks: abuse@cernet.edu.cn admin-c: XL1-CN tech-c: SZ2-AP nic-hdl: CER-AP mnt-by: MAINT-CERNET-AP last-modified: 2020-09-03T09:14:12Z source: APNIC