4ISP s.r.o.
4ISP SRL
LEI
315700ECMEGD3EPM6721
Registered name
4ISP s.r.o.
Jurisdiction
CZ
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks11
Cluster ID191778404
RegistryBGP
Owner jurisdictionCZ
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 315700ECMEGD3EPM6721
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
11 0 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-06

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
109.104.252.0/22 4ISP SRL RIPE ASSIGNED PA ● high
185.1.114.59/32 4ISP PEERINGDB ASSIGNED ● high
185.26.198.0/24 4ISP SRL BGP ANNOUNCED ● high
185.26.199.0/24 4ISP SRL BGP ANNOUNCED ● high
2001:7f8:c5::a506:432:1/128 4ISP PEERINGDB ASSIGNED ● high
2a00:8c60:2::/48 4ISP SRL BGP ANNOUNCED ● high
2a00:8c60:3::/48 4ISP SRL BGP ANNOUNCED ● high
185.1.80.0/24 4ISP SRL RIPE ASSIGNED PI ● low
185.26.196.0/22 4ISP SRL RIPE ALLOCATED PA ● low
2001:7f8:ab::/48 4ISP SRL RIPE ASSIGNED PI ● low
2a00:8c60::/32 4ISP SRL RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
63.6% of checked blocks have valid RPKI ROA coverage (7 of 11)
Possible discrepancies (1)

These blocks are registered to 4ISP SRL 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.

109.104.252.0/22 /22 authorized for AS60706 — SARDEGNA WIFI SRL

NIC Handles

AS60432 AS60432 DUMY-RIPE DUMY-RIPE MNT-4ISP MNT-4ISP NETJOIN-MNT ORG-AA1353-RIPE ORG-PMTA3-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT