Skip to content

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

Exchanges Countries Reports

IPv4 prefixes

AS6056 COLBY

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
137.146.0.0/16	65,536	US	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 2026-10-30T12:05:20Z

built by cmunroe.us