4ISP s.r.o.
4ISP SRL
Data as of 2026-11-08
GLEIF verified
LEI
315700ECMEGD3EPM6721
Registered name
4ISP s.r.o.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 8 · 1,281 IPv4 addresses |
| IPv6 | 5 prefixes (largest 2a00:8c60::/32) |
| Record ID | 264839543 |
| Registry | BGP |
| Owner jurisdiction | CZ |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 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 (8)
⬇ 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 |
| 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)
Footprint over time
20 weekly snapshots · JSON
8
-3 netblocks since 2026-07-05
2026-07-05
peak 11
2026-11-08
Network trust
what's this?
RPKI hygiene: C
how networks compare →
62.5%
of checked blocks have valid RPKI ROA coverage
(5 of 8)
Possible discrepancies (3)
These blocks are registered to 4ISP SRL but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:8c60:2::/48 /48 | authorized for AS60432 — NetJoin Srl |
| 2a00:8c60:3::/48 /48 | authorized for AS60432 — NetJoin Srl |
| 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