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Autonomous System

AS42981

RES.PL Kosiorowski, Wisniowski sp.j.

Announced IPs
2,304
CIDR prefixes
3
ASN
AS42981

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Enterprise
Traffic level 1-5Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open

Present at 4 internet exchanges: RZ-IX, EPIX.Katowice, EPIX.Warszawa, TPIX PL

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS42981 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
91.196.8.0/22 13,588 2026-07-24 15:50:02
194.110.238.0/24 13,096 2026-07-24 15:50:02
185.153.36.0/22 13,093 2026-07-24 15:50:02
185.153.38.56/32 13 2026-07-20 08:05:07
91.196.10.57/32 3 2026-06-12 22:07:54

Frequently Asked Questions

What is AS42981?

AS42981 is an Autonomous System Number assigned to RES.PL Kosiorowski, Wisniowski sp.j.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS42981 announce?

AS42981 announces 2.3K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Poland.

Who operates AS42981?

AS42981 is operated by RES.PL Kosiorowski, Wisniowski sp.j.. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.

What country is AS42981 registered in?

AS42981 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 16:25:32 UTC
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