AS45576 Tsinghua University 🇨🇳 CN
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
0
-
IPv6 prefixes
4
1 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS45576
- Name
- Tsinghua University
- Organisation
- Tsinghua University
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2008-12-12
- Network type
- Educational/Research
- Traffic levels
- 10-20Gbps
- Scope
- Asia Pacific
- Peering policy
- Open
- Website
- http://www.tsinghua.edu.cn
- PeeringDB
- net/29524
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.apnic.net
as-block: AS45056 - AS46079 descr: APNIC ASN block remarks: These AS numbers are further assigned by APNIC remarks: to APNIC members and end-users in the APNIC region admin-c: HM20-AP tech-c: HM20-AP mnt-by: APNIC-HM mnt-lower: APNIC-HM last-modified: 2009-09-29T05:48:11Z source: APNIC role: APNIC Hostmaster address: PO Box 3646 address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: helpdesk@apnic.net admin-c: AMS11-AP tech-c: AH256-AP nic-hdl: HM20-AP remarks: Administrator for APNIC notify: hostmaster@apnic.net mnt-by: MAINT-APNIC-AP last-modified: 2026-08-26T00:40:00Z source: APNIC aut-num: AS45576 as-name: CERNET2-TSINGHUA6-AS-AP descr: Tsinghua University descr: Beijing 100084, China country: CN import: from AS23910 action pref=10; accept ANY import: from AS4538 action pref=10; accept ANY import: from AS4134 action pref=10; accept ANY import: from AS4837 action pref=10; accept ANY export: to AS23910 announce AS45576 export: to AS4134 announce AS45576 export: to AS4837 announce AS45576 export: to AS4538 announce AS45576 default: to AS23910 action pref=10; networks ANY remarks: Multihome member of CERNET 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: 2020-09-03T09:16:15Z 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