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Autonomous System

AS41201

DOLSAT sp. z o.o.

Announced IPs
38,144
CIDR prefixes
11
ASN
AS41201

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 Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open

Present at 3 internet exchanges: Equinix Warsaw, EPIX.Katowice, EPIX.Warszawa

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS41201 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
87.199.64.0/19 48,673 2026-09-11 00:30:04
87.199.0.0/18 40,409 2026-09-11 00:30:04
87.199.96.0/20 39,164 2026-08-10 07:30:12
87.199.142.0/23 36,649 2026-08-13 06:10:57
87.199.140.0/23 30,000 2026-08-10 07:30:12
87.199.138.0/23 28,478 2026-08-10 07:22:21
87.199.126.0/24 27,533 2026-07-13 06:46:21
87.199.120.0/22 26,699 2026-07-13 06:46:21
87.199.136.0/23 26,127 2026-08-10 07:22:21
87.199.112.0/21 25,135 2026-07-13 06:46:21
87.199.28.0/24 12,101 2026-09-11 00:30:04
87.199.27.0/24 12,091 2026-09-11 00:30:04
87.199.29.0/24 11,993 2026-09-11 00:30:04
87.199.30.0/24 11,990 2026-09-11 00:30:04
87.199.25.0/24 11,940 2026-09-11 00:30:04
87.199.23.0/24 11,922 2026-09-11 00:30:04
87.199.24.0/24 11,916 2026-09-11 00:30:04
87.199.26.0/24 11,896 2026-09-11 00:30:04
87.199.78.0/24 11,856 2026-09-11 00:30:04
87.199.20.0/24 11,848 2026-09-11 00:30:04
87.199.84.0/24 11,838 2026-09-11 00:30:04
87.199.85.0/24 11,828 2026-09-11 00:30:04
87.199.82.0/24 11,824 2026-09-11 00:30:04
87.199.21.0/24 11,821 2026-09-11 00:30:04
87.199.10.0/24 11,813 2026-09-11 00:30:04
87.199.6.0/24 11,811 2026-09-11 00:30:04
87.199.76.0/24 11,810 2026-09-11 00:30:04
87.199.94.0/24 11,807 2026-09-11 00:30:04
87.199.14.0/24 11,806 2026-09-11 00:30:04
87.199.22.0/24 11,800 2026-09-11 00:30:04
87.199.7.0/24 11,799 2026-09-11 00:30:04
87.199.18.0/24 11,797 2026-09-11 00:30:04
87.199.44.0/24 11,783 2026-09-11 00:30:04
87.199.43.0/24 11,782 2026-09-11 00:30:04
87.199.51.0/24 11,765 2026-09-11 00:30:04
87.199.4.0/24 11,763 2026-09-11 00:30:04
87.199.95.0/24 11,762 2026-09-11 00:30:04
87.199.16.0/24 11,756 2026-09-11 00:30:04
87.199.47.0/24 11,747 2026-09-11 00:30:04
87.199.36.0/24 11,745 2026-09-11 00:30:04
87.199.12.0/24 11,744 2026-09-11 00:30:04
87.199.37.0/24 11,744 2026-09-11 00:30:04
87.199.39.0/24 11,737 2026-09-11 00:30:04
87.199.46.0/24 11,727 2026-09-11 00:30:04
87.199.91.0/24 11,600 2026-09-11 00:30:04
87.199.142.0/24 11,581 2026-09-11 00:30:04
87.199.92.0/24 11,579 2026-09-11 00:30:04
87.199.143.0/24 11,578 2026-09-11 00:30:04
87.199.61.0/24 11,567 2026-09-11 00:30:04
87.199.93.0/24 11,561 2026-09-11 00:30:04

Showing top 50 of 181 announced prefixes by sample volume.

Frequently Asked Questions

What is AS41201?

AS41201 is an Autonomous System Number assigned to DOLSAT sp. z o.o.. 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 AS41201 announce?

AS41201 announces 38.1K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in Poland.

Who operates AS41201?

AS41201 is operated by DOLSAT sp. z o.o.. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.

What country is AS41201 registered in?

AS41201 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 00:39:06 UTC
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