Data as of Nov 12, 2026

37.205.12.0/22

No anonymizer space · no proxy exits in 30 days

MasterDC s.r.o. · space held by vpsFree.cz, z.s.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
37.205.8.0/212,048CZ-VPSFREE-20120327vpsFree.cz, z.s. (ORG-VO15-RIPE) · CZALLOCATED PAJan 2, 2015abuse@vpsfree.cz
└ 37.205.12.0/221,024VPSFREE-PRG6unknownASSIGNED PASep 11, 2017abuse@vpsfree.cz
via CZ-VPSFREE-20120327

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Sep 2017
Current origin since
Sep 2017 · 9.1 yr
Origin networks
1