AS24239 — TWD2-NET-AS-AP - TWD2 Education and Research Network

AS24239 announces 0 IPv4 prefixes covering 0 addresses and 2 IPv6 prefixes.

About this network

TWD2-NET-AS-AP is operated by TWD2 Education and Research Network.

What it's used for

• The address space carries IPv6 prefixes for an educational and research network, as indicated by the registry handle and PeeringDB classification.
• The AS announces 5 IPv6 prefixes and 0 IPv4 addresses, with 5 observed neighbours, suggesting a specialized research network rather than a general transit or access provider.

Notable

• The registry holder name matches the AS handle, confirming the operator identity.
• The address inventory consists entirely of IPv6 space, with no IPv4 prefixes in inventory or announced.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 2a0c:b641:571::/48
• 2a0e:aa06:490::/44

Upstream networks

• AS4842 Tianhai InfoTech
• AS209300 Wende Tan

Downstream networks

• AS38255 China Education and Research Network (CERNET)

Adjacent networks

• AS4842 Tianhai InfoTech
• AS209300 Wende Tan
• AS6939 Hurricane Electric LLC
• AS38255 China Education and Research Network (CERNET)
• AS45576 Tsinghua University

Routing security

• RPKI: 12 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 17% of announcements registered; 133 route objects.
• Listed in as-sets: AS-7552, AS-7552, AS-7643, AS-HURRICANEV6, AS-KORNETBGP, AS-LN, AS-TH-IX-AS9931, AS-TH-IX-AS9931, AS-THIX, AS-TWD2-NET, AS-VDC, AS-VNPT, AS-VODAFONE-NET-IN, AS-XO-B, AS20473:AS-VULTR, AS209300:AS-CUSTOMERS, AS212683:AS-OLILO, AS3491:AS-CUSTOMERS-AP, AS45896:AS-PPS, AS4842:AS-DOWNSTREAMS, AS7473:AS-CUSTOMERS:AS7700, AS7643:AS-CUSTOMERS.

Internet exchanges

• KleyReX Internet Exchange — Frankfurt, Germany