AS45576 — CERNET2-TSINGHUA6-AS-AP - Tsinghua University

AS45576 announces 0 IPv4 prefixes covering 0 addresses and 1 IPv6 prefixes.

About this network

CERNET2-TSINGHUA6-AS-AP is operated by Tsinghua University.

What it's used for

• The address space carries IPv6 prefixes under the 2402:f000::/46 block, consistent with the CERNET2 (China Education and Research Network) infrastructure.
• The AS announces 17 IPv6 prefixes and 0 IPv4 addresses, with 3 observed neighbours, indicating a research and education network focused on IPv6 connectivity within China.
• Traffic from this AS consists of academic research, educational services, and institutional endpoints associated with Tsinghua University's campus and research facilities.

Notable

• The registry holder is listed as Tsinghua University, matching the announcer identity.
• Tsinghua University is a public research university in Beijing, China, founded in 1911, and this AS represents its participation in the national education and research network.
• The inventory consists entirely of IPv6 space, with no IPv4 prefixes announced or held in inventory.

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

Announced prefixes

• 2402:f000::/32

Upstream networks

• AS24348 CERNET2 IX at Tsinghua University

Downstream networks

• AS209300 Wende Tan

Adjacent networks

• AS24348 CERNET2 IX at Tsinghua University
• AS209300 Wende Tan
• AS24239 TWD2 Education and Research Network

Routing security

• RPKI: 0 valid, 0 invalid and 4 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 25% of announcements registered; 2 route objects.
• Listed in as-sets: AS-CTBJ, AS-HURRICANEV6, AS20965:AS-FROM-TEIN-TO-GEANT, AS23911:AS-CUSTOMERS-V6, AS293:AS-FROM-SINGAREN-TO-ESNET, AS4538:AS-CUSTOMERS, AS4538:AS-CUSTOMERS-V6.