$ query “AS31242” --type=asn → 1 result(s)

AS31242 · TKPSA-AS

P4 Sp. z o.o.

AS31242 is run by P4 Sp. z o.o. and is a mid-size transit provider, based in Poland since 2004. The system announces a solid 113 664 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Poland, with additional presence in Germany.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇵🇱 Poland
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
March 29, 2004
Last Changed
March 04, 2026
Last Seen
October 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
57 / 45
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
113 664
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇵🇱 Poland (113 632 IPs), 🇩🇪 Germany (32 IPs)
Prefix Changed
September 15, 2026

Reputation

Reputation
Good — 5 flagged IPs out of 113 664 total (0.00%)

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
11 networks exchanging traffic without transit
Downstream Customers
87 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
105 unique BGP neighbors
Reach
92 networks in customer cone

Upstream Providers (3)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (57 total)

  • 89.25.128.0/17 (32 768 addresses (/17 prefix))
  • 85.14.64.0/18 (16 384 addresses (/18 prefix))
  • 93.179.192.0/18 (16 384 addresses (/18 prefix))
  • 188.117.128.0/18 (16 384 addresses (/18 prefix))
  • 31.172.176.0/20 (4 096 addresses (/20 prefix))
  • 91.90.176.0/20 (4 096 addresses (/20 prefix))
  • 91.90.72.0/21 (2 048 addresses (/21 prefix))
  • 84.205.176.0/22 (1 024 addresses (/22 prefix))
  • 91.193.184.0/22 (1 024 addresses (/22 prefix))
  • 91.203.216.0/22 (1 024 addresses (/22 prefix))
  • 91.227.200.0/22 (1 024 addresses (/22 prefix))
  • 119.12.28.0/22 (1 024 addresses (/22 prefix))
  • 178.219.20.0/22 (1 024 addresses (/22 prefix))
  • 185.54.184.0/22 (1 024 addresses (/22 prefix))
  • 185.157.236.0/22 (1 024 addresses (/22 prefix))
  • 193.106.244.0/22 (1 024 addresses (/22 prefix))
  • 193.151.100.0/22 (1 024 addresses (/22 prefix))
  • 194.63.128.0/22 (1 024 addresses (/22 prefix))
  • 194.150.96.0/22 (1 024 addresses (/22 prefix))
  • 213.179.72.0/22 (1 024 addresses (/22 prefix))
  • 84.205.184.0/23 (512 addresses (/23 prefix))
  • 84.205.190.0/23 (512 addresses (/23 prefix))
  • 91.226.38.0/23 (512 addresses (/23 prefix))
  • 119.12.22.0/23 (512 addresses (/23 prefix))
  • 178.219.30.0/23 (512 addresses (/23 prefix))
  • 195.128.242.0/23 (512 addresses (/23 prefix))
  • 195.242.68.0/23 (512 addresses (/23 prefix))
  • 80.249.130.0/24 (256 addresses (/24 prefix))
  • 83.175.162.0/24 (256 addresses (/24 prefix))
  • 83.175.166.0/24 (256 addresses (/24 prefix))
  • 84.205.170.0/24 (256 addresses (/24 prefix))
  • 84.205.183.0/24 (256 addresses (/24 prefix))
  • 84.205.187.0/24 (256 addresses (/24 prefix))
  • 84.205.189.0/24 (256 addresses (/24 prefix))
  • 91.208.182.0/24 (256 addresses (/24 prefix))
  • 91.208.189.0/24 (256 addresses (/24 prefix))
  • 91.227.120.0/24 (256 addresses (/24 prefix))
  • 91.227.199.0/24 (256 addresses (/24 prefix))
  • 119.12.17.0/24 (256 addresses (/24 prefix))
  • 178.219.24.0/24 (256 addresses (/24 prefix))
  • 192.150.83.0/24 (256 addresses (/24 prefix))
  • 193.16.229.0/24 (256 addresses (/24 prefix))
  • 193.43.148.0/24 (256 addresses (/24 prefix))
  • 193.150.165.0/24 (256 addresses (/24 prefix))
  • 194.110.127.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2a00:13a0::/32
  • 2a10:ac00::/32