Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS24239

Announcement observedAPNIC

TWD2 Education and Research Network · TWD2-NET-AS-AP

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/25/2026, 14:34:55Snapshot expired

View network topology RDAP registration

ASN: AS24239
Registration country: China
Name: TWD2 Education and Research Network
Abbreviation: TWD2-NET-AS-AP
Registration date: 5/11/2020, 04:45:51
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
2404:f4c0:f000::/44BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0c:b641:571::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:490::/44BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:490::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:491::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:492::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:493::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:494::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:495::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:496::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:497::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid
2a0e:aa06:49e::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 08:00:00	10/1/2026, 08:00:00	×	✓	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: TWD2 Education and Research Network
RIR: APNIC
Registration country: China
Registration date: 5/11/2020, 04:45:51
Abuse contact: twd2.me@gmail.com

Snapshot trend

10/25/2026, 14:34:550 v412 v63 Upstream · 0 Uncertain

10/1/2026, 15:24:460 v412 v63 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: iana-rdap-asn-bootstrap · rir-rdap-asn