ASN Lookup Tool

TWD2 Education and Research Network 163.com CN CN 11 Routes

AS Data

AS24239

AS24239 – TWD2 Education and Research Network

AS Number 24239
AS Name TWD2-NET-AS-AP
Organization TWD2 Education and Research Network(org-tear2-ap)
Country CN
Website 163.com
Number of IPv4 Routes 0
Number of IPv6 Routes 11
ASN type ISP
Registry APNIC
Date Allocated N/A

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IP Ranges

Route # IPs
2a0e:aa06:491::/48 ~1×10²⁴
2a0e:aa06:495::/48 ~1×10²⁴
2a0e:aa06:493::/48 ~1×10²⁴
2a0e:aa06:497::/48 ~1×10²⁴
2a0e:aa06:49e::/48 ~1×10²⁴
2a0e:aa06:494::/48 ~1×10²⁴
2a0e:aa06:490::/44 ~19×10²⁴
2a0e:aa06:490::/48 ~1×10²⁴
2a0e:aa06:496::/48 ~1×10²⁴
2a0e:aa06:492::/48 ~1×10²⁴

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS23552 - AS24575'

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:        6 Cordelia Street
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:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS24214 - AS24247'

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:        6 Cordelia Street
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:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS24239'

% Abuse contact for 'AS24239' is 'twd2.me+abuse@gmail.com'

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 2025-11-11
remarks:        twd2.me@gmail.com was validated on 2025-12-16
mnt-by:         MAINT-TWD2
mnt-by:         MAINT-SOHA
last-modified:  2025-12-16T17:19:31Z
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 2025-11-11
remarks:        twd2.me@gmail.com was validated on 2025-12-16
abuse-mailbox:  twd2.me+abuse@gmail.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-16T17:19:44Z
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

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS209300 Wende Tan CN
AS4842 Tianhai InfoTech CN
AS6939 Hurricane Electric LLC US
AS38255 Tsinghua University CN
AS45576 Tsinghua University CN

Upstreams

AS Number Description Country
AS209300 Wende Tan CN
AS4842 Tianhai InfoTech CN
AS6939 Hurricane Electric LLC US

Downstreams

AS Number Description Country
AS38255 Tsinghua University CN
AS45576 Tsinghua University CN

Legacy Routes

2404:f4c0:f000::/44

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Frequently Asked Questions

ASN AS24239 is an Autonomous System Number used to identify a network for BGP internet routing.
AS24239 is listed under TWD2 Education and Research Network.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.