Data as of Nov 3, 2026

81.0.232.0/21

No anonymizer space · no proxy exits in 30 days

CASABLANCA INT a.s.

Announcement

this exact prefix

RPKI valid

Announced by

AS15685

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
81.0.230.0 - 81.0.243.255	3,584	CZ-CASABLANCA-20011214	CASABLANCA INT a.s. (ORG-CI1-RIPE) · CZ	ALLOCATED PA	Jul 28, 2022	[email protected]
└ 81.0.232.0/26	64	PragueCityApartments-CZ	PRAGUE CITY APARTMENTS s.r.o.	ASSIGNED PA	Nov 2, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.96/28	16	WinshopSoftware-CZ	WinShop software s.r.o.	ASSIGNED PA	Jan 29, 2020	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.112/28	16	GalanceBohumil-CZ	Bohumil Boura, GALANCE	ASSIGNED PA	Nov 2, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.128/27	32	Savvy-CZ	Savvy, s.r.o.	ASSIGNED PA	Nov 2, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.160/28	16	BCJosefSlobodnik-CZ	Bc. Josef Slobodnik	ASSIGNED PA	Apr 22, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.176/29	8	RAltra-CZ	R ALTRA spol. s r.o.	ASSIGNED PA	Jul 16, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.200/29	8	Mymedia-CZ	MyMedia s.r.o.	ASSIGNED PA	Jun 19, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.208/28	16	FioBanka-CZ	Fio banka, a.s.	ASSIGNED PA	Mar 12, 2012	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.232/29	8	GalanceBohumil-CZ	Bohumil Boura, GALANCE	ASSIGNED PA	Nov 3, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.240/29	8	Irsnet-CZ	IRSnet s.r.o.	ASSIGNED PA	Nov 3, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.232.248/29	8	Gebbeth-CZ	Gebbeth, s.r.o.	ASSIGNED PA	Nov 3, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.0/26	64	ZonerSoftware-CZ	ZONER software, a.s.	ASSIGNED PA	Nov 4, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.64/26	64	ZonerSoftware-CZ	ZONER software, a.s.	ASSIGNED PA	Nov 4, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.128/28	16	DoorFinancial-CZ	Door Financial a.s.	ASSIGNED PA	May 2, 2013	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.160/28	16	BauFreundServicesPrag-CZ	Bau Freund Services Prag s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.176/29	8	CmsConsulting-CZ	CMS Consulting s.r.o.	ASSIGNED PA	Sep 8, 2015	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.184/29	8	DvorakMarek-CZ	Marek Dvorak	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.192/28	16	AmiComputers-CZ	AMI Computers s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.208/28	16	EMERGE-CZ	EMERGE, a.s.	ASSIGNED PA	Apr 5, 2017	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.232/29	8	CeskyWebhosting-CZ	CESKY WEBHOSTING s.r.o.	ASSIGNED PA	Nov 3, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.233.240/29	8	PCComp-CZ	PC COMP s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.0/29	8	CASABLANCAINT-CZ	Casablanca ISP infrastructure	ASSIGNED PA	Nov 9, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.8/29	8	UsnulMilanJudrSoudniExekutor-CZ	JUDr. Milan Usnul-soudni exekutor	ASSIGNED PA	Dec 20, 2016	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.16/28	16	QP-CZ	qp.cz, s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.32/28	16	Ixperta-CZ	IXPERTA s.r.o.	ASSIGNED PA	Feb 1, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.48/29	8	SpecialServiceInternational-CZ	Special Service International, spol. s r.o.	ASSIGNED PA	Jan 9, 2013	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.56/29	8	Savvy-CZ	Savvy, s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.64/29	8	JarmilKuncekSap-CZ	Ing. Jarmil Kuncek - S.A.P.	ASSIGNED PA	Jun 14, 2010	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.72/29	8	Sic-CZ	S.I.C. spol. s r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.80/28	16	IndelecCZ-CZ	INDELEC CZ, a.s.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.96/27	32	Ixperta-CZ	IXPERTA s.r.o.	ASSIGNED PA	Dec 20, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.192/27	32	Stcomputer-CZ	STComputer s.r.o.	ASSIGNED PA	May 3, 2024	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.224/29	8	CommanderServices-CZ	Commander Services, s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.234.248/29	8	CASABLANCAINT-CZ	Casablanca ISP infrastructure	ASSIGNED PA	Nov 9, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.235.0/24	256	Nethost-CZ	Nethost s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.0/29	8	CASABLANCAINT-CZ	Casablanca ISP infrastructure	ASSIGNED PA	Nov 13, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.8/29	8	UNIHOST-CZ	UNIHOST, s.r.o.	ASSIGNED PA	Jan 19, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.16/29	8	Daktela-CZ	Daktela s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.64/27	32	IkaData-CZ	IKA DATA, spol. s r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.96/27	32	JrcCzech-CZ	JRC Czech a.s.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.160/27	32	Zasobovani-CZ	Zasobovani a.s.	ASSIGNED PA	Oct 5, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.192/27	32	Pelmet-CZ	Pelmet s.r.o.	ASSIGNED PA	Nov 3, 2015	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.224/28	16	Stomp-CZ	STOMP s.r.o.	ASSIGNED PA	Nov 12, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.236.248/29	8	SvachaMichal-CZ	Michal Svacha	ASSIGNED PA	Sep 17, 2010	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.24/29	8	Insite-CZ	inSITE, s.r.o.	ASSIGNED PA	Nov 18, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.32/28	16	Gransy-CZ	Gransy s.r.o.	ASSIGNED PA	Mar 4, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.48/28	16	MuscariNetwork-CZ	MUSCARI network s.r.o.	ASSIGNED PA	Apr 19, 2024	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.64/28	16	HostisNet-CZ	HOSTIS NET s.r.o.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.80/29	8	Itinsignia-CZ	IT-Insignia s.r.o.	ASSIGNED PA	Oct 25, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.88/29	8	ConquestEntertainment-CZ	ConQuest entertainment a.s.	ASSIGNED PA	Nov 12, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.96/28	16	DataEvolution-CZ	Data Evolution s.r.o.	ASSIGNED PA	Jul 19, 2013	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.112/28	16	KurkaMichal-CZ	Michal Kurka - ICU	ASSIGNED PA	Nov 18, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.136/29	8	Htech-CZ	2htech s.r.o.	ASSIGNED PA	Jan 10, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.144/28	16	MandakMartin-CZ	Bc. Martin Mandak	ASSIGNED PA	Sep 22, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.160/27	32	Daktela-CZ	Daktela s.r.o.	ASSIGNED PA	Nov 18, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.192/28	16	PovolnyAles-CZ	Ales Povolny	ASSIGNED PA	Oct 7, 2013	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.208/28	16	IQTsro-CZ	Prazsky Servis Informacnich Technologii, s.r.o.	ASSIGNED PA	Mar 19, 2021	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.240/29	8	CASABLANCAINT-CZ	Internet service provider	ASSIGNED PA	May 2, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.237.248/29	8	CASABLANCAINT-CZ	Casablanca ISP infrastructure	ASSIGNED PA	Nov 13, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.0/29	8	CASABLANCAINT-CZ	Casablanca ISP infrastructure	ASSIGNED PA	Nov 13, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.8/29	8	XamineGmbh-CZ	Xamine GmbH	ASSIGNED PA	Jul 20, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.16/29	8	MaximaPojistovna-CZ	MAXIMA pojistovna, a.s.	ASSIGNED PA	Jun 2, 2011	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.24/29	8	Active24-CZ	ACTIVE 24, s.r.o.	ASSIGNED PA	Jul 24, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.32/28	16	PekarJan-CZ	Jan Pekar	ASSIGNED PA	Nov 18, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.48/28	16	ReichelJan-CZ	Jan Reichel	ASSIGNED PA	Oct 12, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.64/28	16	CommanderServices-CZ	Commander Services, s.r.o.	ASSIGNED PA	Mar 13, 2017	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.80/28	16	Tele3-CZ	TELE3 s.r.o.	ASSIGNED PA	Apr 10, 2012	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.128/28	16	KrautvorAles-CZ	Ing. Ales Krautvor	ASSIGNED PA	Sep 22, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.144/28	16	WinshopSoftware-CZ	WinShop software s.r.o.	ASSIGNED PA	Jul 31, 2024	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.160/28	16	SiriusComputers-CZ	Sirius Computers , s.r.o.	ASSIGNED PA	Oct 3, 2025	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.208/29	8	AllstarGroup-CZ	Allstar Group s.r.o.	ASSIGNED PA	Nov 18, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.216/29	8	Aliaweb-CZ	AliaWeb, spol. s r.o.	ASSIGNED PA	Nov 18, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.232/29	8	CommanderServices-CZ	Commander Services, s.r.o.	ASSIGNED PA	Feb 26, 2015	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.240/29	8	CommanderServices-CZ	Commander Services, s.r.o.	ASSIGNED PA	Feb 26, 2015	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.238.248/29	8	CASABLANCAINT-CZ	Casablanca ISP infrastructure	ASSIGNED PA	Nov 13, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.0/29	8	CASABLANCAINT-CZ	Casablanca ISP infrastructure	ASSIGNED PA	Nov 16, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.8/29	8	Dco-CZ	DCO s.r.o.	ASSIGNED PA	Feb 14, 2014	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.16/29	8	RAltra-CZ	R ALTRA spol. s r.o.	ASSIGNED PA	Mar 29, 2013	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.24/29	8	AveBohemia-CZ	AVE BOHEMIA, s.r.o.	ASSIGNED PA	Sep 11, 2018	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.32/28	16	MiabGroup-CZ	MiaB Group, s.r.o.	ASSIGNED PA	Nov 18, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.64/27	32	CeskyWebhosting-CZ	CESKY WEBHOSTING s.r.o.	ASSIGNED PA	Sep 4, 2020	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.96/28	16	Obsidian-CZ	OBSIDIAN, s.r.o.	ASSIGNED PA	Nov 23, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.112/28	16	InternetPartner-CZ	Internet Partner s.r.o.	ASSIGNED PA	Nov 23, 2009	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.176/29	8	AveBohemia-CZ	AVE BOHEMIA, s.r.o.	ASSIGNED PA	Apr 23, 2020	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.192/28	16	KoordinacniStrediskoProResortniZdravotnickeInformacniSystemy-CZ	Koordinacni stredisko pro resortni zdravotnicke informacni systemy	ASSIGNED PA	Feb 18, 2014	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.208/29	8	SymfonieP2pLtd-CZ	Symfonie P2P Ltd	ASSIGNED PA	Jun 18, 2015	[email protected] via CZ-CASABLANCA-20011214
└ 81.0.239.248/29	8	MiragePrg-CZ	Mirage PRG s.r.o.	ASSIGNED PA	Mar 5, 2015	[email protected] via CZ-CASABLANCA-20011214

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

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS15685

Name: CASABLANCA INT a.s.
Type: Hosting
Registered: Sep 11, 2000
Domain: casablanca.cz
Website: www.casablanca.cz
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
81.0.232.0/21	AS15685	/21	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS15685	RIPE	Casablanca INT	CASABLANCA-CORE-MNT	Apr 13, 2020

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
81.0.232.0/24	AS15685	RIPE	Casablanca INT prefix fraction	CASABLANCA-CORE-MNT	Jun 30, 2017
81.0.233.0/24	AS15685	RIPE	Casablanca INT prefix fraction	CASABLANCA-CORE-MNT	Jun 30, 2017
81.0.234.0/24	AS15685	RIPE	Casablanca INT prefix fraction	CASABLANCA-CORE-MNT	Jun 30, 2017
81.0.235.0/24	AS15685	RIPE	Casablanca INT prefix fraction	CASABLANCA-CORE-MNT	Jun 30, 2017
81.0.236.0/24	AS15685	RIPE	Casablanca INT prefix fraction	CASABLANCA-CORE-MNT	Jun 30, 2017
81.0.237.0/24	AS15685	RIPE	Casablanca INT prefix fraction	CASABLANCA-CORE-MNT	Jun 30, 2017
81.0.238.0/24	AS15685	RIPE	Casablanca INT prefix fraction	CASABLANCA-CORE-MNT	Jun 30, 2017
81.0.239.0/24	AS15685	RIPE	Casablanca INT prefix fraction	CASABLANCA-CORE-MNT	Jun 30, 2017

81.0.232.0/21

Registrations in this block

Network & registry

AS15685

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact