Academic Computer Centre CYFRONET AGH
BGP inherited
Cluster stats
Netblocks20
All fragments 39 blocks across 13 clusters
Cluster ID191778879
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
20 0 netblocks since 2026-07-05
2026-07-05 peak 20 2026-07-06

IP Ranges (20)

⬇ export CSV
CIDR Org name Registry Status Confidence
149.156.0.0/16 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
185.92.50.0/24 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
192.86.14.0/24 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
192.245.169.0/24 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
193.193.64.0/21 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
193.193.64.0/19 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
194.8.45.0/24 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
194.8.46.0/24 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
195.150.0.0/17 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
195.150.128.0/18 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
195.150.224.0/19 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
2001:6d8::/29 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
2001:6d8::/32 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
2001:6df::/32 Academic Computer Centre CYFRONET AGH BGP ANNOUNCED ● high
149.156.0.0/16 Academic Computer Centre CYFRONET AGH RIPE LEGACY ● low
185.92.48.0/22 Academic Computer Centre CYFRONET AGH RIPE ALLOCATED PA ● low
193.193.64.0/19 Academic Computer Centre CYFRONET AGH RIPE ALLOCATED PA ● low
195.150.0.0/16 Academic Computer Centre CYFRONET AGH RIPE ALLOCATED PA ● low
2001:6d8::/35 Academic Computer Centre CYFRONET AGH RIPE ALLOCATED-BY-LIR ● low
2001:6d8::/29 Academic Computer Centre CYFRONET AGH RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
75.0% of checked blocks have valid RPKI ROA coverage (15 of 20)
No discrepancies found among checked blocks.

NIC Handles

AS8267 AS8267-MNT AS8267-MNT AS8323 AS8323-MNT AS8323-MNT DUMY-RIPE DUMY-RIPE ORG-ACCC1-RIPE RIPE-NCC-HM-MNT RIPE-NCC-LEGACY-MNT