Cyber Test Systems SAS

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks4 · 2,048 IPv4 addresses
IPv6 2 prefixes (largest 2a07:4200::/29)
Cluster ID222400421
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

3 weekly snapshots · JSON
8 0 netblocks since 2026-07-26
2026-07-26 peak 8 2026-08-16

IP Ranges (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
152.89.148.0/22 Cyber Test Systems SAS BGP ANNOUNCED ● high
185.144.252.0/22 Cyber Test Systems SAS BGP ANNOUNCED ● high
2a07:4200::/29 Cyber Test Systems SAS BGP ANNOUNCED ● high
2a09:34c0::/29 Cyber Test Systems SAS BGP ANNOUNCED ● high

IPv6 ranges (2)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (8 of 8)
No discrepancies found among checked blocks.

NIC Handles

AS213313 AS47455 CYBERTEST-MNT CYBERTEST-MNT DUMY-RIPE DUMY-RIPE ORG-CTSS2-RIPE ORG-CTSS6-RIPE RIPE-NCC-HM-MNT