$ query “AS41201” --type=asn → 1 result(s)

AS41201 — DOLSAT

DOLSAT sp. z o.o.

AS41201 is operated by DOLSAT sp. z o.o. and serves as a stub network, based in Poland since 2006. The system announces a respectable 38 144 IPv4 addresses. Most of its address space is geolocated to Poland. No IPv6 support — it's 2026, just saying.

Basic Information

Country
🇵🇱 Poland
Category
Internet Service Provider
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 28, 2006
Last Changed
March 04, 2026
Last Seen
April 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
162 / 9
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
38 144
Largest IPv4 Prefix
/18 (16 384 addresses)
Geolocated Countries
🇵🇱 Poland (43 520 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
10 networks exchanging traffic without transit
Degree
13 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (3)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS20804 — ASN-TELENERGO
  • AS201054 — EPIX-POLMIX (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (162 total)

  • 87.199.0.0/18 (16 384 addresses (/18 prefix))
  • 87.199.64.0/19 (8 192 addresses (/19 prefix))
  • 87.199.96.0/20 (4 096 addresses (/20 prefix))
  • 87.199.128.0/20 (4 096 addresses (/20 prefix))
  • 87.199.112.0/21 (2 048 addresses (/21 prefix))
  • 87.199.120.0/22 (1 024 addresses (/22 prefix))
  • 87.199.148.0/22 (1 024 addresses (/22 prefix))
  • 87.199.152.0/22 (1 024 addresses (/22 prefix))
  • 87.199.126.0/24 (256 addresses (/24 prefix))