A1 Systems Ltd.
Cluster stats
Netblocks7
All fragments 2,734 blocks across 299 clusters
Cluster ID191665183
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (7)

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CIDR Org name Registry Status Confidence
45.82.217.0/24 A1 Systems Ltd. BGP ANNOUNCED ● high
91.213.5.0/24 A1 Systems Ltd. BGP ANNOUNCED ● high
91.213.5.0/24 A1 Systems Ltd. RIPE ASSIGNED PI ● high
45.82.217.0/24 A1-SYSTEMS-NET RIPE ASSIGNED PA ● low
83.220.39.184/29 A1-Systems RIPE ASSIGNED PA ● low
213.125.157.72/29 A1_SYSTEMS RIPE ASSIGNED PA ● low
2001:41f0:6a24::/48 A1_SYSTEMS RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
71.4% of checked blocks have valid RPKI ROA coverage (5 of 7)
No discrepancies found among checked blocks.

NIC Handles

AS206515 AS49452 DUMY-RIPE DUMY-RIPE GARS-MNT MNT-A1-SYSTEMS MNT-A1-SYSTEMS MNT-BARABANOV MNT-BARABANOV ORG-ASL9-RIPE RIPE-NCC-END-MNT ZIGGO-AUTOREG1