AS24239 TWD2 Education and Research Network 🇨🇳 CN
Announcing 12 prefixes, seen at the RIS collectors.
IPv4 prefixes
0
-
IPv6 prefixes
12
42 × /48
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS24239
- Name
- TWD2 Education and Research Network
- Organisation
- TWD2 Education and Research Network 2
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2019-03-12
- Network type
- Educational/Research
- Scope
- Not Disclosed
- Peering policy
- Open
- IRR as-set
- AS209300:AS-CUSTOMERS
- Website
- https://bgp.twd2.net
- PeeringDB
- net/36040
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.apnic.net
as-block: AS23552 - AS24575 descr: APNIC ASN block remarks: These AS numbers are further assigned by APNIC remarks: to APNIC members and end-users in the APNIC region remarks: AS23889 has been transfered to AfriNIC admin-c: HM20-AP tech-c: HM20-AP mnt-by: APNIC-HM mnt-lower: APNIC-HM last-modified: 2009-09-29T06:04:16Z 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 as-block: AS24214 - AS24247 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: 2008-09-04T06:40:26Z 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: AS24239 as-name: TWD2-NET-AS-AP descr: TWD2 Education and Research Network country: CN org: ORG-TEAR2-AP sponsoring-org: ORG-TI19-AP admin-c: TNN4-AP tech-c: TNN4-AP abuse-c: AT954-AP mnt-routes: MAINT-TWD2 mnt-by: APNIC-HM mnt-irt: IRT-TWD2 last-modified: 2023-09-05T03:53:48Z source: APNIC irt: IRT-TWD2 address: FIT 1-213, Tsinghua University, Beijing, China e-mail: twd2.me@gmail.com abuse-mailbox: twd2.me+abuse@gmail.com admin-c: TNN4-AP tech-c: TNN4-AP auth: # Filtered remarks: twd2.me+abuse@gmail.com was validated on 2026-05-18 remarks: twd2.me@gmail.com was validated on 2026-06-23 mnt-by: MAINT-TWD2 mnt-by: MAINT-SOHA last-modified: 2026-06-23T15:59:13Z source: APNIC organisation: ORG-TEAR2-AP org-name: TWD2 Education and Research Network org-type: OTHER address: FIT 1-213, Tsinghua University, Beijing, China country: CN phone: +8618411006610 e-mail: twd2@163.com admin-c: TNN4-AP tech-c: TNN4-AP mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T03:53:47Z source: APNIC role: ABUSE TWD2 country: ZZ address: FIT 1-213, Tsinghua University, Beijing, China phone: +000000000 e-mail: twd2.me@gmail.com admin-c: TNN4-AP tech-c: TNN4-AP nic-hdl: AT954-AP remarks: Generated from irt object IRT-TWD2 remarks: twd2.me+abuse@gmail.com was validated on 2026-05-18 remarks: twd2.me@gmail.com was validated on 2026-06-23 abuse-mailbox: twd2.me+abuse@gmail.com mnt-by: APNIC-ABUSE last-modified: 2026-06-27T03:12:24Z source: APNIC role: TWD2 Network NOC address: FIT 1-213, Tsinghua University, Beijing, China country: CN phone: +8618411006610 e-mail: twd2@163.com e-mail: twd2.me@gmail.com admin-c: TNN4-AP tech-c: TNN4-AP nic-hdl: TNN4-AP mnt-by: MAINT-TH-CN mnt-by: MAINT-TWD2 last-modified: 2023-06-30T11:20:02Z abuse-mailbox: twd2.me+abuse@gmail.com source: APNIC