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Data as of Nov 7, 2026

185.138.245.0/26

No anonymizer space · no proxy exits in 30 days

Cloud4com s.r.o.

Announcement
185.138.245.0/24
RPKI valid
Announced by
AS201730
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
185.138.244.0/22
since May 2016
AS201730HostingCloud4com s.r.o.

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
185.138.244.0/221,024CZ-CLOUD4COM1-20160216Cloud4com s.r.o. (ORG-CS814-RIPE) · CZALLOCATED PAFeb 16, 2016support@cloud4com.com
└ 185.138.245.0/24256DataSpring_CZ_Microsoft_Azure_StackDataSpring CZ Microsoft Azure Stack poolsSUB-ALLOCATED PAMay 5, 2020support@cloud4com.com
via CZ-CLOUD4COM1-20160216
└ 185.138.245.0/2664DataSpring_CZ_Microsoft_Azure_Stack_Moravia01_pool01unknownASSIGNED PAMay 15, 2019support@cloud4com.com
via DataSpring_CZ_Microsoft_Azure_Stack

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
Announced by

Covering announcement 185.138.245.0/24

Prefix
185.138.245.0/24
Announced by
AS201730 Cloud4com s.r.o.
Type
Hosting
RPKI
RPKI valid
Netname
DataSpring_CZ_Microsoft_Azure_Stack
Registrant
DataSpring CZ Microsoft Azure Stack pools
RIR
RIPE NCC
Registry

Holder

Organization
Cloud4com s.r.o.
Handle
ORG-CS814-RIPE
Range
185.138.244.0/22
Registration type
ALLOCATED PA
Record created
Feb 16, 2016
Reallocated to
DataSpring CZ Microsoft Azure Stack pools
Reallocated range
185.138.245.0/24
Reallocation type
SUB-ALLOCATED PA
Reallocated
May 5, 2020
Origin network

AS201730

CZ
Name
Cloud4com s.r.o.
Type
Hosting
Registered
Jul 31, 2014
Domain
dataspring.cz
Website
www.dataspring.cz
Spamhaus ASN-DROP
not listed