Autonomous System details

AS15685

CASABLANCA INT a.s. · casablanca.cz

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AS15685 – CASABLANCA INT a.s.

Field	Value
Country	Czechia
Website	casablanca.cz
Hosted domains	135,352
IPv4 addresses	31,232
IPv6 addresses	79,228,162,514,264,337,593,543,950,336
ASN type	Hosting
Registry	ripe
Allocated	23 years ago on Sep 24, 2002
Updated	6 months ago on Jul 29, 2025

Netblock	Company	Num of IPs
77.78.96.0/20	CASABLANCA INT a.s.	4,096
81.0.232.0/21	CASABLANCA INT a.s.	2,048
109.123.192.0/21	CASABLANCA INT a.s.	2,048
109.123.216.0/21	CASABLANCA INT a.s.	2,048
77.78.124.0/22	CASABLANCA INT a.s.	1,024
81.0.192.0/22	CASABLANCA INT a.s.	1,024
82.208.8.0/22	e4you spol. s r.o.	1,024
77.78.118.0/23	NETHOST s.r.o.	512
81.0.206.0/23	CASABLANCA INT a.s.	512
81.0.208.0/23	S.I.C. spol. s.r.o.	512
81.0.212.0/23	CASABLANCA INT a.s.	512
81.0.240.0/23	PBR KOMTECH	512
81.0.254.0/23	CASABLANCA INT a.s.	512
82.208.6.0/23	Nethost s.r.o.	512
82.208.16.0/23	CYBERSALES a.s.	512
82.208.28.0/23	CASABLANCA INT a.s.	512
82.208.34.0/23	CASABLANCA INT a.s.	512
82.208.40.0/23	CASABLANCA INT a.s.	512
82.208.46.0/23	NETHOST s.r.o.	512
82.208.48.0/23	CASABLANCA INT a.s.	512
109.123.202.0/23	CASABLANCA INT a.s.	512
109.123.210.0/23	NETHOST s.r.o.	512
109.123.214.0/23	QMX s.r.o.	512
185.95.118.0/23	BOHEMIA ENERGY entity s.r.o.	512
217.11.224.0/23	CASABLANCA INT a.s.	512
217.11.228.0/23	CASABLANCA INT a.s.	512
217.11.248.0/23	PBR KOMTECH	512
77.78.76.0/24	CESKY WEBHOSTING s.r.o.	256
77.78.95.0/24	NETHOST s.r.o.	256
77.78.123.0/24	CASABLANCA INT a.s.	256
81.0.199.0/24	CASABLANCA INT a.s.	256
81.0.214.0/24	CASABLANCA INT a.s.	256
81.0.217.0/24	CASABLANCA INT a.s.	256
81.0.225.0/24	CASABLANCA INT a.s.	256
81.0.226.0/24	NETHOST s.r.o.	256
81.0.228.0/24	CASABLANCA INT a.s.	256
81.0.231.0/24	OMAX Holding s.r.o.	256
81.0.250.0/24	CASABLANCA INT a.s.	256
82.208.12.0/24	business communication s.r.o.	256
82.208.14.0/24	CASABLANCA INT a.s.	256
82.208.16.0/24	CYBERSALES a.s.	256
82.208.17.0/24	CYBERSALES a.s.	256
82.208.18.0/24	NETHOST s.r.o.	256
82.208.27.0/24	CASABLANCA INT a.s.	256
82.208.39.0/24	CASABLANCA INT a.s.	256
82.208.44.0/24	CASABLANCA INT a.s.	256
82.208.50.0/24	N2N s.r.o.	256
82.208.56.0/24	CASABLANCA INT a.s.	256
82.208.58.0/24	CASABLANCA INT a.s.	256
85.239.227.0/24	CASABLANCA INT a.s.	256
85.239.252.0/24	CASABLANCA INT a.s.	256
109.123.205.0/24	CASABLANCA INT a.s.	256
217.11.227.0/24	CASABLANCA INT a.s.	256
217.11.230.0/24	TELE3 s.r.o.	256
217.11.235.0/24	AliaWeb, spol. s r.o.	256
217.11.236.0/24	CASABLANCA INT a.s.	256
217.11.242.0/24	Nethost s.r.o.	256
217.11.251.0/24	CASABLANCA INT a.s.	256
217.11.254.0/24	CASABLANCA INT a.s.	256

Netblock	Company
2001:1528::/32	CASABLANCA INT a.s.

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WHOIS Details

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                                                ASHandle:       AS15685
                                                OrgID:          AS15685
                                                ASName:         AS15685
                                                ASNumber:       AS15685
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 135,352 domain names hosted across 2,307 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
77.78.104.3	██████████	36,910
217.11.249.139	██████████	9,064
109.123.219.215	██████████	8,792
217.11.249.141	██████████	4,780
217.11.227.76	██████████	4,626
217.11.249.145	██████████	4,434
81.0.206.125	██████████	3,836
81.0.236.162	██████████	2,386
217.11.249.138	█████████	2,174
81.0.206.104	██████████	1,461

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Peers

There are 32 peers for this ASN.

Peers	Name
AS1299	Arelion Sweden AB
AS13335	Cloudflare, Inc.
AS14840	BR.Digital Telecom
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS198031	Trustica s.r.o.
AS198150	SIACOM JSC
AS203376	Mailkit s.r.o.
AS205300	Sunfox s.r.o.
AS207153	Stream-iT, s.r.o.
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS24482	SG.GS
AS263444	Open X Tecnologia Ltda
AS29504	Freenet Liberec, z.s.
AS32590	Valve Corporation
AS33891	Core-Backbone GmbH
AS35236	UVT Internet s.r.o.
AS36236	NetActuate, Inc
AS39120	Convergenze S.p.A.
AS40994	Hohl IT e.U.
AS42000	Futruy s.r.o.
AS4455	IX Reach Ltd
AS48417	ITS akciova spolecnost
AS49544	i3D.net B.V
AS51184	Fonira Telekom GmbH
AS53062	ALT \| GRUPO BRASIL TECPAR
AS60592	Gransy s.r.o.
AS6204	INTERKVM HOST SRL
AS6663	Euroweb Romania S.R.L.
AS6881	NIX.CZ z.s.p.o.
AS6939	Hurricane Electric LLC
AS702	Verizon Business
AS8218	Zayo Infrastructure France SA

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ASN API & Database

Upstreams

There are 2 upstreams for this ASN.

upstreams	Name
AS1299	Arelion Sweden AB
AS6939	Hurricane Electric LLC

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Downstreams

There are 8 downstreams for this ASN.

Downstreams	Name
AS1299	Arelion Sweden AB
AS198031	Trustica s.r.o.
AS203376	Mailkit s.r.o.
AS205300	Sunfox s.r.o.
AS207153	Stream-iT, s.r.o.
AS35236	UVT Internet s.r.o.
AS60592	Gransy s.r.o.
AS6881	NIX.CZ z.s.p.o.

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ASN API & Database

Pingable IPs

201 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
2001:1528:275::1	AS15685 CASABLANCA INT a.s.	`0.29ms` from Prague, CZ
217.11.242.87	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
2001:1528:186::1	AS15685 CASABLANCA INT a.s.	`0.28ms` from Prague, CZ
2001:1528:208::1	AS15685 CASABLANCA INT a.s.	`0.26ms` from Prague, CZ
2001:1528:251::1	AS15685 CASABLANCA INT a.s.	`0.28ms` from Prague, CZ
217.11.235.77	AS15685 CASABLANCA INT a.s.	`0.26ms` from Prague, CZ
2001:1528:167:ffff::fffe	AS15685 CASABLANCA INT a.s.	`0.25ms` from Prague, CZ
81.0.235.204	AS15685 CASABLANCA INT a.s.	`0.18ms` from Prague, CZ
82.208.27.219	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
77.78.98.142	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
77.78.104.1	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
82.208.58.254	AS15685 CASABLANCA INT a.s.	`0.28ms` from Prague, CZ
81.0.233.15	AS15685 CASABLANCA INT a.s.	`0.21ms` from Prague, CZ
2001:1528:289:fed0::1	AS15685 CASABLANCA INT a.s.	`0.28ms` from Prague, CZ
2001:1528:286::2005	AS15685 CASABLANCA INT a.s.	`0.27ms` from Prague, CZ
217.11.254.254	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
81.0.214.198	AS15685 CASABLANCA INT a.s.	`0.20ms` from Prague, CZ
82.208.12.16	AS15685 CASABLANCA INT a.s.	`0.28ms` from Prague, CZ
2001:1528:188::1	AS15685 CASABLANCA INT a.s.	`0.30ms` from Prague, CZ
82.208.14.80	AS15685 CASABLANCA INT a.s.	`0.22ms` from Prague, CZ
2001:1528:223::1	AS15685 CASABLANCA INT a.s.	`0.28ms` from Prague, CZ
217.11.251.110	AS15685 CASABLANCA INT a.s.	`0.21ms` from Prague, CZ
82.208.10.129	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
217.11.249.83	AS15685 CASABLANCA INT a.s.	`0.18ms` from Prague, CZ
2001:1528:234::1	AS15685 CASABLANCA INT a.s.	`0.27ms` from Prague, CZ

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
51.137.114.53	AS8075 Microsoft Corporation	`0.23ms` from Amsterdam, NL
142.250.105.133	AS15169 Google LLC	`0.69ms` from Atlanta, US
107.205.73.5	AS7018 AT&T Enterprises, LLC	`2.46ms` from Atlanta, US
120.53.220.37	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.80ms` from Beijing, CN
123.124.45.133	AS4808 China Unicom Beijing Province Network	`4.32ms` from Beijing, CN
128.255.1.101	AS3676 University of Iowa	`6.31ms` from Chicago, US
73.9.191.197	AS7922 Comcast Cable Communications, LLC	`11.29ms` from Chicago, US
221.178.60.181	AS9808 China Mobile Communications Group Co., Ltd.	`1.54ms` from Chongqing, CN
217.95.132.101	AS3320 Deutsche Telekom AG	`10.51ms` from Frankfurt am Main, DE
119.206.64.181	AS4766 Korea Telecom	`4.42ms` from Incheon, KR
213.58.185.229	AS9186 ONITELECOM - INFOCOMUNICACOES, S.A.	`0.40ms` from Lisbon, PT
86.169.154.101	AS2856 British Telecommunications PLC	`3.92ms` from London, GB
51.155.154.165	AS13037 Zen Internet Ltd	`2.06ms` from Manchester, GB
222.84.73.21	AS4134 CHINANET-BACKBONE	`0.91ms` from Nanning, CN
222.229.218.181	AS2519 ARTERIA Networks Corporation	`5.72ms` from Osaka, JP
211.120.229.165	AS9621 Okinawa Telecommunication Network Co.,Inc	`17.95ms` from Osaka, JP
112.250.130.213	AS4837 CHINA UNICOM China169 Backbone	`7.01ms` from Qingdao, CN
52.96.230.117	AS8075 Microsoft Corporation	`0.17ms` from Quebec, CA
38.44.108.245	AS272097 TELEVISION POR CABLE COCATEVE S.A. (GRUPO COCAVISION)	`6.31ms` from Quito, EC
96.68.142.149	AS7922 Comcast Cable Communications, LLC	`6.04ms` from San Jose, US
210.198.133.149	AS2516 KDDI CORPORATION	`9.09ms` from Tokyo, JP
152.117.160.181	AS2527 Sony Network Communications Inc.	`1.84ms` from Tokyo, JP
105.105.221.149	AS36947 Telecom Algeria	`13.94ms` from Algiers, DZ
166.117.0.117	AS16509 Amazon.com, Inc.	`0.04ms` from Bangkok, TH
109.180.244.197	AS2856 British Telecommunications PLC	`6.54ms` from London, GB

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f2 81.0.225.158

traceroute to 81.0.225.158 (81.0.225.158): 64 hops max, 52 byte packets

2 [] 91.210.16.15 0.285 ms

3 [AS15685] 81.0.225.158 0.375 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On January 19th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS15685 at robtex.

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