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IPv4 prefixes

AS57998 ANFA-

Unclassified APNIC

Overview Prefixes2 Peering Exchanges Security Graph

Shape and geography IPv4 prefixes 2 IPv6 prefixes 0

Inventory

IPv4 prefixes

2 announced · 1.54K addresses

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Prefix	Addresses	Country	RPKI	IRR	Flags
91.237.154.0/23	512	PL	RPKI valid	IRR
91.237.156.0/22	1,024	PL	RPKI valid	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 2026-10-20T12:05:08Z

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