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Data as of Nov 7, 2026

185.138.244.0/23

No anonymizer space · no proxy exits in 30 days

Cloud4com s.r.o.

Announcement
185.138.244.0/22
RPKI valid
Announced by
AS201730
Type
Hosting

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
185.138.244.0/24
since Sep 2019
AS201730HostingCloud4com s.r.o.
185.138.245.0/24
since Sep 2019
AS201730HostingCloud4com s.r.o.
via DataSpring CZ Microsoft Azure Stack pools

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
└ 185.138.244.0/24256DataSpring_CZ_DC-Prague_DC-LuziceDataSpring CZ DCsASSIGNED PADec 28, 2018support@cloud4com.com
via CZ-CLOUD4COM1-20160216
└ 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
└ 185.138.245.64/2664DataSpring_CZ_Microsoft_Azure_Stack_Moravia01_pool02unknownASSIGNED PAJul 12, 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 185.138.244.0/22

Prefix
185.138.244.0/22
Announced by
AS201730 Cloud4com s.r.o.
Type
Hosting
RPKI
RPKI valid
Netname
CZ-CLOUD4COM1-20160216
Registrant
Cloud4com s.r.o.
RIR
RIPE NCC
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