4ISP s.r.o.

4ISP SRL
Data as of 2026-09-20
GLEIF verified
LEI
315700ECMEGD3EPM6721
Registered name
4ISP s.r.o.
Jurisdiction
CZ
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks9 · 2,305 IPv4 addresses
IPv6 5 prefixes (largest 2a00:8c60::/32)
Record ID242123265
RegistryBGP
Owner jurisdictionCZ
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
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 · report an issue

IP Ranges (9)

⬇ 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
2001:7f8:c5::a506:432:1/128 4ISP PEERINGDB ASSIGNED ● 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
2a00:8c60:2::/48 4ISP SRL BGP ANNOUNCED ● low
2a00:8c60:3::/48 4ISP SRL BGP ANNOUNCED ● low

IPv6 ranges (5)

CIDR
2a00:8c60::/32
2001:7f8:ab::/48
2a00:8c60:2::/48
2a00:8c60:3::/48
2001:7f8:c5::a506:432:1/128

Footprint over time

13 weekly snapshots · JSON
9 -2 netblocks since 2026-07-05
2026-07-05 peak 11 2026-09-20

Network trust

what's this?
RPKI hygiene: C how networks compare →
55.6% of checked blocks have valid RPKI ROA coverage (5 of 9)
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