Skip to content

Search by AS number, IP, prefix, domain or organisation

Exchanges Countries Reports

IPv4 prefixes

AS9321 HYUNET-AS Hanyang University

Education APNIC

Overview Prefixes1 Peering Exchanges Security Graph

Shape and geography IPv4 prefixes 1 IPv6 prefixes 0

Inventory

IPv4 prefixes

1 announced · 65.54K addresses

Filter this page

Prefix	Addresses	Country	RPKI	IRR	Flags
166.104.0.0/16	65,536	KR	No ROA	IRR

asn.dev is an explorer for autonomous systems: address space, network context, observed peering topology, and a full dossier on any address.

v0.19.0 · built 2026-10-13T14:32:03Z

built by cmunroe.us