CZ-TERMSNET
Cluster stats
Netblocks22
All fragments 4,115 blocks across 2,638 clusters
Cluster ID191990659
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (22)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.90.160.0 – 81.90.164.255 CZ-TERMSNET RIPE ASSIGNED PA ● low
81.90.166.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
81.90.174.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
81.90.175.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.160.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.167.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.172.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.176.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.177.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.178.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.179.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.184.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.185.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.186.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
88.83.190.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
217.194.160.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
217.194.162.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
217.194.163.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
217.194.164.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
217.194.165.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
217.194.166.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low
217.194.167.0/24 CZ-TERMSNET RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (22 of 22)
RPKI-inferred operator O2 Czech Republic, a.s.
Nearly all of this network's RPKI-covered space is cryptographically authorized for this single operator — the registered netname is likely one of its internal infrastructure labels.
No discrepancies found among checked blocks.

NIC Handles

DUMY-RIPE DUMY-RIPE TERMSNET-MNT