AS213903 — ZLY-AS Liuyang Zhang

AS213903 announces 0 IPv4 prefixes covering 0 addresses and 2 IPv6 prefixes.

About this network

ZLY-AS is held by Liuyang Zhang.

What it's used for

• The space carries a single IPv6 prefix, 2406:840:fef0::/47, with no IPv4 addresses announced.
• The inventory consists of 1 IPv6 prefix against 1 observed neighbour, indicating a small-scale research or academic network rather than a transit or access provider.
• Traffic from this AS is associated with academic research activities, specifically within the geology and earth sciences domain at China University of Geosciences.

Notable

• The registry holder is Liuyang Zhang, a researcher at China University of Geosciences, consistent with the PeeringDB classification of Educational/Research.
• The address inventory is minimal, comprising only one IPv6 block, which is typical for individual or small-group research networks in China.

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

Announced prefixes

• 2406:840:fef0::/47
• 2a0a:d683::/32

Upstream networks

• AS7720 Skywolf Technology LLC

Adjacent networks

• AS7720 Skywolf Technology LLC

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 7 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS-HYTRON, AS-HYTRON, AS-HYTRONNETWORK, AS-HYTRONNETWORK, AS-IIJ, AS-IIJ6, AS-SKYWOLF-HK-CUSTOMER, AS-SKYWOLF-HK-CUSTOMER, AS17433:AS-HYTRON, AS17433:AS-HYTRON, AS202662:AS-HYTRON, AS213903:AS-SET, AS215750:AS-BLACKLIST, AS216449:AS-SKYWOLF-HK-CUSTOMER, AS2497:AS-IIJ, AS2497:AS-IIJ6, AS7720:AS-SKYWOLF-HK-CUSTOMER.