PirxNet Grzegorz Bialas
Cluster stats
Netblocks62
All fragments 65 blocks across 2 clusters
Cluster ID191598549
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
62 0 netblocks since 2026-07-05
2026-07-05 peak 62 2026-07-06

IP Ranges (62)

showing 50 of 62 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
83.230.0.0/19 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
83.230.32.0/20 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
83.230.48.0/22 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
89.46.144.75/32 PirxNet Grzegorz Bialas PEERINGDB ASSIGNED ● high
91.222.212.0/22 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
91.230.180.0/24 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
93.95.88.0/21 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
178.216.40.42/32 PirxNet Grzegorz Bialas PEERINGDB ASSIGNED ● high
185.69.20.0/22 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
188.123.192.0/19 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
193.47.247.0/24 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
195.82.160.0/21 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
195.82.168.0/22 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
195.82.172.0/23 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
195.82.176.0/21 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
195.82.188.0/22 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
195.242.128.0/23 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
212.91.0.125/32 PirxNet Grzegorz Bialas PEERINGDB ASSIGNED ● high
212.106.138.0/23 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
212.106.160.0/21 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
213.227.72.0/22 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
217.73.176.0/20 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
2001:678:3ac::75/128 PirxNet Grzegorz Bialas PEERINGDB ASSIGNED ● high
2001:7f8:5b::42/128 PirxNet Grzegorz Bialas PEERINGDB ASSIGNED ● high
2001:7f8:60:0:d36:3:5434:1/128 PirxNet Grzegorz Bialas PEERINGDB ASSIGNED ● high
2a02:2780::/32 PirxNet Grzegorz Bialas BGP ANNOUNCED ● high
83.230.0.0/23 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.2.0/23 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.8.0/22 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.16.0/20 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.32.0/22 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.36.0/23 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.38.0 – 83.230.38.159 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.38.176 – 83.230.39.255 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.48.0/24 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.50.0/23 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
83.230.127.232/29 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
93.95.88.0/21 PirxNet Grzegorz Bialas RIPE ALLOCATED PA ● low
185.69.20.0/22 PirxNet Grzegorz Bialas RIPE ALLOCATED PA ● low
188.123.192.0/19 PirxNet Grzegorz Bialas RIPE ALLOCATED PA ● low
193.47.247.0/24 PirxNet Grzegorz Bialas RIPE ASSIGNED PI ● low
195.82.163.0/24 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
195.82.164.0 – 195.82.164.191 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
195.82.164.224/27 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
195.82.165.0/24 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
195.82.168.0/22 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
195.82.175.0/24 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
195.82.177.0/24 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
195.82.180.0/23 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low
195.82.188.64 – 195.82.188.159 PirxNet Grzegorz Bialas RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
95.2% of checked blocks have valid RPKI ROA coverage (59 of 62)
Possible discrepancies (1)

These blocks are registered to PirxNet Grzegorz Bialas but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

195.82.175.0/24 /24 authorized for AS15744 — Silesian University of Technology, Computer Centre

NIC Handles

AS35434 AS35434 DUMY-RIPE DUMY-RIPE ORG-PGB3-RIPE PIRXNET-MNT PIRXNET-MNT PL-CKPOLSL-MNT PL-CKPOLSL-MNT RIPE-NCC-END-MNT RIPE-NCC-HM-MNT