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Data as of Nov 5, 2026

37.205.12.0/22

1 residential-proxy exit · 30 days

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

Announcement
this exact prefix
RPKI valid
Announced by
AS24971
Type
Hosting
Risk
50 / 100 · Medium

Residential-proxy exits

Proxy exits
1
0.10% of its addresses · 30 days
Spread
1 of 4
/24s with at least one exit
Providers
3
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

3 observations

Proxy providers listing exits

  • BottingTools
  • IPFly
  • PuraRoute

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
vpsFree.cz, z.s.
Handle
ORG-VO15-RIPE
Range
37.205.8.0/21
Registration type
ALLOCATED PA
Record created
Jan 2, 2015
Origin network

AS24971

CZ
Name
MasterDC s.r.o.
Type
Hosting
Registered
Jun 11, 2002
Domain
master.cz
Website
www.master.cz
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed