Cloud4com, a.s.
Cluster stats
Netblocks18
Cluster ID192983755
RegistryPEERINGDB
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (18)

⬇ export CSV
CIDR Org name Registry Status Confidence
91.210.16.66/32 Cloud4com, a.s. PEERINGDB ASSIGNED ● high
91.210.16.69/32 Cloud4com, a.s. PEERINGDB ASSIGNED ● high
2001:7f8:14::7d:1/128 Cloud4com, a.s. PEERINGDB ASSIGNED ● high
2001:7f8:14::7d:2/128 Cloud4com, a.s. PEERINGDB ASSIGNED ● high
88.208.103.0/24 Cloud4com RIPE ASSIGNED PA ● low
95.80.217.144/29 Cloud4com RIPE ASSIGNED PA ● low
95.80.221.0/24 Cloud4com RIPE ASSIGNED PA ● low
95.80.223.160/27 Cloud4com RIPE ASSIGNED PA ● low
95.80.240.0/24 Cloud4com RIPE ASSIGNED PA ● low
95.80.241.0/24 Cloud4com RIPE ASSIGNED PA ● low
95.80.242.0/24 Cloud4com RIPE ASSIGNED PA ● low
95.80.243.0/24 Cloud4com RIPE ASSIGNED PA ● low
185.10.84.0/24 CLOUD4COM RIPE ASSIGNED PA ● low
213.175.61.20/30 Cloud4com RIPE ASSIGNED PA ● low
213.175.61.24/29 Cloud4com RIPE ASSIGNED PA ● low
213.175.61.32/28 Cloud4com RIPE ASSIGNED PA ● low
213.175.61.48/28 Cloud4com RIPE ASSIGNED PA ● low
2a03:5e40::/34 CLOUD4COM RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (18 of 18)
Possible discrepancies (6)

These blocks are registered to Cloud4com, a.s. 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.

95.80.221.0/24 /24 authorized for AS29208 — Quantcom, a.s.
88.208.103.0/24 /24 authorized for AS29208 — Quantcom, a.s.
95.80.242.0/24 /24 authorized for AS29208 — Quantcom, a.s.
95.80.240.0/24 /24 authorized for AS29208 — Quantcom, a.s.
95.80.241.0/24 /24 authorized for AS29208 — Quantcom, a.s.
95.80.243.0/24 /24 authorized for AS29208 — Quantcom, a.s.

NIC Handles

AS47110 CLOUD4COM-ROOT-MNT DIALTELECOM-MNT DUMY-RIPE DUMY-RIPE