ALTER, s.r.o.

Alter-NET SRL
Data as of 2026-09-13
GLEIF verified
LEI
315700IF5XUG9G95IP19
Registered name
ALTER, s.r.o.
Jurisdiction
CZ
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks10 · 869 IPv4 addresses
Registered in Romania (5) · Russia (2) · Belgium (1) · Israel (1) · Italy (1) · Ukraine (1)
Also registered under this name 110 netblocks across 20 separate records
Record ID242232940
RegistryBGP
Owner jurisdictionCZ
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 315700IF5XUG9G95IP19
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
80.96.27.0/24 Alter-NET SRL BGP ANNOUNCED ● high
86.104.125.205/32 ALTER NET PEERINGDB ASSIGNED ● high
93.115.174.0/24 Alter-NET SRL BGP ANNOUNCED ● high
194.50.50.0/24 Alter-NET SRL RIPE ASSIGNED PI ● high
79.99.202.72/29 ALTER RIPE ASSIGNED PA ● low
88.33.97.176/30 ALTER RIPE ASSIGNED PA ● low
194.90.80.0/28 NV-ALTER RIPE ASSIGNED PA ● low
212.17.20.192/27 ALTER-NET RIPE ASSIGNED PA ● low
212.248.19.0/27 ALTER RIPE ASSIGNED PA ● low
213.227.205.136/29 ALTER RIPE ASSIGNED PA ● low

Footprint over time

3 weekly snapshots · JSON
11 0 netblocks since 2026-08-23
2026-08-23 peak 11 2026-09-13

Network trust

what's this?
RPKI hygiene: C how networks compare →
54.5% of checked blocks have valid RPKI ROA coverage (6 of 11)
No discrepancies found among checked blocks.

NIC Handles

ALL2ALL-MNT ALTER-NET-MNT ALTER-NET-MNT AS39531 AS39531 COMSTAR-MNT DUMY-RIPE DUMY-RIPE FARLEP-INVEST-MNT INTERB-MNT MAGTEL-MNT NV-MNT-RIPE +2 more