AMBRA
Cluster stats
Netblocks11
All fragments 12 blocks across 2 clusters
Cluster ID191879005
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 7 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
37.247.230.0/29 AMBRA_SA-NET RIPE ASSIGNED PA ● low
37.247.230.8/29 AMBRA_SA-NET RIPE ASSIGNED PA ● low
77.252.183.52/30 AMBRA RIPE ASSIGNED PA ● low
192.58.28.0/24 NET-AMBRA-NET RIPE LEGACY ● low
193.88.52.0/23 AMBRA RIPE ASSIGNED PA ● low
195.116.243.96/27 AMBRA RIPE ASSIGNED PA ● low
212.244.36.128/27 AMBRA RIPE ASSIGNED PA ● low
212.244.62.168/29 AMBRA RIPE ASSIGNED PA ● low
212.244.65.100/30 AMBRA RIPE ASSIGNED PA ● low
212.244.68.152/29 AMBRA RIPE ASSIGNED PA ● low
213.25.143.224/28 AMBRA RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
90.9% of checked blocks have valid RPKI ROA coverage (10 of 11)
Possible discrepancies (1)

These blocks are registered to AMBRA 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.

193.88.52.0/23 /23 authorized for AS3292 — TDC Holding A/S

NIC Handles

DK-NIC DUMY-RIPE DUMY-RIPE NETIA-MNT POLKOMTEL-MNT RIPE-NCC-LOCKED-MNT TPNET