Autonomous System details

AS15685

CASABLANCA INT a.s. · casablanca.cz

Czechia

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AS15685 – CASABLANCA INT a.s.

Field	Value
Country	Czechia
Website	casablanca.cz
Hosted domains	135,692
IPv4 addresses	31,232
IPv6 addresses	79,228,162,514,264,338,000,000,000,000
ASN type	Hosting
Registry	ripe
Allocated	24 years ago on Sep 24, 2002
Updated	9 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 135,692 domain names hosted across 2,305 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
77.78.104.3	██████████	29,135
109.123.219.215	██████████	8,631
217.11.249.139	██████████	8,094
217.11.227.76	██████████	4,412
217.11.249.141	██████████	3,921
217.11.249.145	██████████	3,886
81.0.206.125	██████████	2,806
81.0.236.162	██████████	2,386
217.11.249.138	█████████	1,908
81.0.206.104	██████████	1,097

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Peers

There are 32 peers for this ASN.

Peers	Name
AS1299	Arelion Sweden AB
AS13335	Cloudflare, Inc.
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
AS24940	Hetzner Online GmbH
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.
AS43733	Viva Armenia CJSC
AS4455	IX Reach Ltd
AS48417	ITS akciova spolecnost
AS49544	i3D.net B.V
AS51184	Fonira Telekom GmbH
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
2001:1528:234::1	AS15685 CASABLANCA INT a.s.	`0.27ms` from Prague, CZ
2001:1528:123:123e::1:1	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
82.208.28.194	AS15685 CASABLANCA INT a.s.	`0.18ms` from Prague, CZ
2001:1528:279:0:77:78:100:197	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
85.239.227.46	AS15685 CASABLANCA INT a.s.	`0.21ms` from Prague, CZ
82.208.16.250	AS15685 CASABLANCA INT a.s.	`0.26ms` from Prague, CZ
2001:1528:218::1	AS15685 CASABLANCA INT a.s.	`0.28ms` from Prague, CZ
81.0.214.198	AS15685 CASABLANCA INT a.s.	`0.19ms` from Prague, CZ
81.0.240.190	AS15685 CASABLANCA INT a.s.	`0.20ms` from Prague, CZ
109.123.219.3	AS15685 CASABLANCA INT a.s.	`0.20ms` from Prague, CZ
81.0.234.94	AS15685 CASABLANCA INT a.s.	`0.21ms` from Prague, CZ
81.0.239.110	AS15685 CASABLANCA INT a.s.	`0.20ms` from Prague, CZ
2001:1528:285::1	AS15685 CASABLANCA INT a.s.	`0.26ms` from Prague, CZ
2001:1528:113:1000:dead:eff:1:100	AS15685 CASABLANCA INT a.s.	`0.32ms` from Prague, CZ
109.123.193.254	AS15685 CASABLANCA INT a.s.	`0.22ms` from Prague, CZ
2001:1528:112::1	AS15685 CASABLANCA INT a.s.	`0.27ms` from Prague, CZ
217.11.229.253	AS15685 CASABLANCA INT a.s.	`0.22ms` from Prague, CZ
77.78.104.1	AS15685 CASABLANCA INT a.s.	`0.26ms` from Prague, CZ
82.208.50.158	AS15685 CASABLANCA INT a.s.	`0.23ms` from Prague, CZ
81.0.235.39	AS15685 CASABLANCA INT a.s.	`0.19ms` from Prague, CZ
2001:1528:180::1	AS15685 CASABLANCA INT a.s.	`0.27ms` from Prague, CZ
81.0.226.100	AS15685 CASABLANCA INT a.s.	`0.21ms` from Prague, CZ
77.78.98.134	AS15685 CASABLANCA INT a.s.	`0.22ms` from Prague, CZ
2001:1528:186::1	AS15685 CASABLANCA INT a.s.	`0.28ms` from Prague, CZ
2001:1528:135::1	AS15685 CASABLANCA INT a.s.	`0.28ms` 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
96.27.130.197	AS12083 WideOpenWest Finance LLC	`3.74ms` from Atlanta, US
121.26.33.165	AS4837 CHINA UNICOM China169 Backbone	`6.99ms` from Beijing, CN
115.99.147.149	AS17488 Hathway IP Over Cable Internet	`1.27ms` from Bengaluru, IN
86.74.255.165	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`19.03ms` from Bordeaux, FR
102.47.193.53	AS8452 TE-AS	`6.90ms` from Cairo, EG
99.122.140.69	AS7018 AT&T Enterprises, LLC	`2.46ms` from Houston, US
126.26.205.53	AS17676 SoftBank Corp.	`2.01ms` from Osaka, JP
15.218.41.101	AS20055 Wholesail networks LLC	`4.70ms` from Quincy, US
170.254.245.101	AS265374 3X TELECOMUNICAÇÕES LTDA	`6.50ms` from Rio de Janeiro, BR
201.56.176.197	AS4230 CLARO S.A.	`1.50ms` from Sao Paulo, BR
203.253.0.229	AS9318 SK Broadband Co Ltd	`1.19ms` from Seoul, KR
110.177.8.5	AS4134 CHINANET-BACKBONE	`0.57ms` from Taiyuan, CN
4.205.163.213	AS8075 Microsoft Corporation	`0.18ms` from Toronto, CA
90.138.8.229	AS1257 Tele2 Sverige AB	`13.36ms` from Vilnius, LT
173.189.238.85	AS7029 Windstream Communications LLC	`7.24ms` from Ashburn, US
139.165.192.69	AS2611 BELNET	`2.46ms` from Brussels, BE
66.56.193.5	AS11426 Charter Communications Inc	`15.30ms` from Charlotte, US
163.204.117.181	AS17816 China Unicom IP network China169 Guangdong province	`7.67ms` from Guangzhou, CN
178.55.221.181	AS16086 DNA Oyj	`8.43ms` from Helsinki, FI
175.118.154.213	AS9318 SK Broadband Co Ltd	`4.52ms` from Incheon, KR
64.60.45.181	AS14265 TPx Communications	`0.61ms` from Los Angeles, US
198.24.211.37	AS14265 TPx Communications	`0.64ms` from Los Angeles, US
171.107.114.213	AS4134 CHINANET-BACKBONE	`4.55ms` from Nanning, CN
217.142.209.197	AS54253 Oracle Corporation	`4.62ms` from New York City, US
153.179.158.245	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.23ms` from Osaka, JP

Traceroute

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

traceroute -a -n -q1 -f2 81.0.254.158

traceroute to 81.0.254.158 (81.0.254.158): 64 hops max, 52 byte packets

2 [] 91.210.16.15 0.282 ms

3 [AS15685] 81.0.254.158 0.317 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On April 13th 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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