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Data as of Nov 8, 2026

185.103.144.0/22

No anonymizer space · no proxy exits in 30 days

O2 Business Services, a.s

Announcement
this exact prefix
RPKI valid
Announced by
AS28952
Type
Internet provider
75% of it

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
185.103.144.0/221,024SK-BS-20150608O2 Business Services, a.s (ORG-OBSS2-RIPE) · SKALLOCATED PAJun 8, 2015csc@o2bs.sk
└ 185.103.144.0/24256SK-O2BS-PUBLIC-SERVERSO2BS Public server segmentsASSIGNED PAJun 21, 2016csc@o2bs.sk
via SK-BS-20150608
└ 185.103.145.0/24256SK-O2BS-BACKBONEO2BS Backbone loopbacksASSIGNED PAJun 21, 2016csc@o2bs.sk
via SK-BS-20150608
└ 185.103.146.0/24256SK-O2BS-MISCO2BS MiscASSIGNED PAJun 21, 2016csc@o2bs.sk
via SK-BS-20150608
└ 185.103.147.0/24256SK-O2BS-MISCO2BS MiscASSIGNED PAJun 21, 2016csc@o2bs.sk
via SK-BS-20150608

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Internet provider76875%1
Hosting25625%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS28952

SK
Name
O2 Business Services, a.s
Type
Internet provider
Registered
Jun 8, 2015
Domain
o2bs.sk
Website
www.o2bs.sk
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed