AS number details

AS5610

O2 Czech Republic, a.s. · o2.cz

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AS5610 – O2 Czech Republic, a.s.

Field	Value
Country	Czechia
Website	o2.cz
Hosted domains	7,798
Number of IPv4	1,542,912
Number of IPv6	950,739,159,096,991,665,751,702,110,208
ASN type	ISP
Registry	ripe
Allocated	22 years ago on Jul 22, 2002
Updated	6 months ago on Jun 12, 2024

Netblock	Company	Num of IPs
109.80.0.0/15	O2 Czech Republic, a.s.	131,072
109.81.112.0/20	O2 Czech Republic, a.s.	4,096
109.81.160.0/20	O2 Czech Republic, a.s.	4,096
160.218.0.0/16	O2 Czech Republic, a.s.	65,536
161.195.144.0/24	Aramark Services, Inc.	256
185.143.112.0/22	K-net Technical International Group, s.r.o.	1,024
185.61.228.0/22	O2 Czech Republic, a.s.	1,024
193.17.13.0/24	Enterprise Services France SAS	256
193.84.12.0/22	Frenstat p.R.	1,024
193.84.12.0/23	Frenstat p.R.	512
193.84.14.0/23	Frenstat p.R.	512
194.165.47.0/24	Ing. Jiri Orsag, CSc.	256
194.228.0.0/16	O2 Czech Republic, a.s.	65,536
194.228.0.0/17	O2 Czech Republic, a.s.	32,768
194.228.128.0/17	O2 Czech Republic, a.s.	32,768
194.228.72.0/22	Internet for school	1,024
194.50.248.0/23	Max banka a.s.	512
195.246.96.0/23	PPF banka a.s.	512
195.5.186.0/24	Agrofert JSC	256
217.117.208.0/20	O2 Czech Republic, a.s.	4,096
217.194.160.0/20	O2 Czech Republic, a.s.	4,096
37.188.128.0/17	O2 Czech Republic, a.s.	32,768
5.23.39.0/24	Gi Group S.p.A.	256
80.188.0.0/16	O2 Czech Republic, a.s.	65,536
80.188.0.0/17	O2 Czech Republic, a.s.	32,768
80.188.128.0/17	O2 Czech Republic, a.s.	32,768
80.188.222.0/24	DUKELSKYCHHRDINU	256
80.188.40.0/24	KOROZLUKY 1	256
81.90.160.0/20	O2 Czech Republic, a.s.	4,096
81.90.168.0/24	Elsat spol. s r.o.	256
81.90.170.0/24	Elsat spol. s r.o.	256
81.90.173.0/24	Elsat spol. s r.o.	256
83.208.0.0/16	O2 Czech Republic, a.s.	65,536
83.208.0.0/18	O2 Czech Republic, a.s.	16,384
83.208.128.0/19	O2 Czech Republic, a.s.	8,192
83.208.64.0/18	O2 Czech Republic, a.s.	16,384
83.69.32.0/19	O2 Czech Republic, a.s.	8,192
85.160.0.0/15	O2 Czech Republic, a.s.	131,072
85.193.0.0/18	O2 Czech Republic, a.s.	16,384
85.70.0.0/15	O2 Czech Republic, a.s.	131,072
85.70.0.0/16	O2 Czech Republic, a.s.	65,536
85.70.0.0/17	O2 Czech Republic, a.s.	32,768
85.70.128.0/17	O2 Czech Republic, a.s.	32,768
85.71.0.0/16	O2 Czech Republic, a.s.	65,536
88.100.0.0/14	O2 Czech Republic, a.s.	262,144
88.100.0.0/15	O2 Czech Republic, a.s.	131,072
88.102.0.0/15	O2 Czech Republic, a.s.	131,072
88.102.0.0/16	O2 Czech Republic, a.s.	65,536
88.83.160.0/19	O2 Czech Republic, a.s.	8,192
88.83.175.0/24	Elsat spol. s r.o.	256
90.176.128.0/17	O2 Czech Republic, a.s.	32,768
90.176.32.0/19	XDSL NETWORK-ADSL	8,192
90.176.64.0/18	O2 Czech Republic, a.s.	16,384
90.177.0.0/16	O2 Czech Republic, a.s.	65,536
90.178.0.0/15	O2 Czech Republic, a.s.	131,072
90.180.0.0/14	O2 Czech Republic, a.s.	262,144
90.182.108.0/24	O2 Czech Republic, a.s.	256
91.191.64.0/18	CETIN Networks, s.r.o.	16,384
91.193.132.0/22	Burza cennych papiru Praha, a.s.	1,024
91.213.10.0/24	CGI IT Czech Republic s.r.o.	256
91.232.82.0/24	ABIS Czech, a.s.	256
92.243.192.0/19	O2 Czech Republic, a.s.	8,192

Show more IP ranges

Netblock	Company
2001:41d8::/32	O2 Czech Republic, a.s.
2001:67c:dd4::/48	ITIXO s.r.o.
2a00:1028::/29	O2 Czech Republic, a.s.
2a00:1028::/32	O2 Czech Republic, a.s.
2a02:9b8::/31	O2 Czech Republic, a.s.

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WHOIS Details

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ASHandle:       AS5610
OrgID:          AS5610
ASName:         AS5610
ASNumber:       AS5610
RegDate:        0000-00-00
Updated:        0000-00-00
TechHandle:     AA00-AAAA
Source:         AAAA

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Hosted Domains

There are 7,798 domain names hosted across 1,912 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
80.188.241.234	██████████	238
81.90.160.100	██████████	211
90.183.125.35	██████████	210
90.182.39.34	██████████	209
194.228.93.211	██████████	185
90.182.205.206	██████████	178
160.218.161.162	█████	155
160.218.161.165	██████████	145
194.228.235.200	███████	138
80.188.239.11	██████████	113

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Peers

There are 71 peers for this ASN.

Peers	Name
AS1239	Sprint
AS1299	Arelion Sweden AB
AS13105	LUKOIL Technology Services GmbH
AS14840	BR.Digital Provider
AS15380	Air Navigation Services of the Czech Republic, state enterprise
AS15935	ha-vel internet s.r.o.
AS16246	O2 Czech Republic, a.s.
AS174	Cogent Communications
AS17639	Converge ICT Solutions Inc.
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS197353	NN Management Services, s.r.o.
AS197920	SKODA ICT s.r.o.
AS198101	Kooperativa pojistovna, a.s., Vienna Insurance Group
AS198150	SIACOM JSC
AS198605	AVAST Software s.r.o.
AS199059	Maurice Ward & Co., s.r.o.
AS199490	INTERCONNECT s.r.o.
AS201163	Komercni banka, a.s.
AS202297	Skylon Solutions Limited
AS203411	FORTUNA GAME a.s.
AS204172	TTC TELEKOMUNIKACE s.r.o.
AS204907	Air Bank a.s.
AS205233	KBC GLOBAL SERVICES NV
AS205347	Company for Information Technology, Qinshift DOOEL Skopje
AS206613	Tipsport.net a.s.
AS206683	Moravskoslezske inovacni centrum Ostrava, a.s.
AS206908	FORTUNA GAME a.s.
AS208712	CENDIS, s.p.
AS208906	SYNOT ICT Services, a.s.
AS208950	Ezpada s.r.o
AS211731	Ministry of labour and social affairs
AS21241	Global Payments Europe, s.r.o.
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS215711	The Ministry of Agriculture of the Czech Republic
AS21942	ON SEMICONDUCTOR
AS22356	Durand do Brasil Ltda
AS24482	SG.GS
AS25238	MONETA Money Bank, a.s.
AS25321	Brink's Cash Solutions (CZ), a.s.
AS2852	CESNET z.s.p.o.
AS28952	O2 Business Services, a.s
AS29504	Freenet Liberec, z.s.
AS31042	Serbia BroadBand-Srpske Kablovske mreze d.o.o.
AS33891	Core-Backbone GmbH
AS35096	Alef Nula a.s.
AS36236	NetActuate, Inc
AS38952	MAFRA, a.s.
AS39120	Convergenze S.p.A.
AS39392	SH.cz s.r.o.
AS39453	Ustav zdravotnickych informaci a statistiky Ceske republiky
AS40994	Hohl IT e.U.
AS41047	Bart Vrancken trading as MLaB
AS43037	Seznam.cz, a.s.
AS43757	ICZ a.s.
AS43866	Altron a.s.
AS4455	IX Reach Ltd
AS47232	ISP Alliance a.s.
AS48451	Prazska energetika, a.s.
AS49544	i3D.net B.V
AS49580	Monet +, a.s.
AS51185	MainStreaming SpA
AS5405	Inter.link GmbH
AS57463	NetIX Communications JSC
AS59747	NIX.CZ z.s.p.o.
AS60068	Datacamp Limited
AS62102	Prazska plynarenska, a.s.
AS6461	Zayo Bandwidth
AS6881	NIX.CZ z.s.p.o.
AS6939	Hurricane Electric LLC
AS8218	Zayo Infrastructure France SA
AS9498	BHARTI Airtel Ltd.

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Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS1299	Arelion Sweden AB
AS174	Cogent Communications
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC

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Downstreams

There are 37 downstreams for this ASN.

Downstreams	Name
AS13105	LUKOIL Technology Services GmbH
AS15380	Air Navigation Services of the Czech Republic, state enterprise
AS16246	O2 Czech Republic, a.s.
AS197353	NN Management Services, s.r.o.
AS197920	SKODA ICT s.r.o.
AS198101	Kooperativa pojistovna, a.s., Vienna Insurance Group
AS198605	AVAST Software s.r.o.
AS199059	Maurice Ward & Co., s.r.o.
AS201163	Komercni banka, a.s.
AS203411	FORTUNA GAME a.s.
AS204172	TTC TELEKOMUNIKACE s.r.o.
AS204907	Air Bank a.s.
AS205233	KBC GLOBAL SERVICES NV
AS205347	Company for Information Technology, Qinshift DOOEL Skopje
AS206613	Tipsport.net a.s.
AS206683	Moravskoslezske inovacni centrum Ostrava, a.s.
AS206908	FORTUNA GAME a.s.
AS208712	CENDIS, s.p.
AS208906	SYNOT ICT Services, a.s.
AS208950	Ezpada s.r.o
AS211731	Ministry of labour and social affairs
AS21241	Global Payments Europe, s.r.o.
AS215711	The Ministry of Agriculture of the Czech Republic
AS21942	ON SEMICONDUCTOR
AS25238	MONETA Money Bank, a.s.
AS25321	Brink's Cash Solutions (CZ), a.s.
AS28952	O2 Business Services, a.s
AS35096	Alef Nula a.s.
AS38952	MAFRA, a.s.
AS39453	Ustav zdravotnickych informaci a statistiky Ceske republiky
AS43037	Seznam.cz, a.s.
AS43757	ICZ a.s.
AS43866	Altron a.s.
AS48451	Prazska energetika, a.s.
AS49580	Monet +, a.s.
AS59747	NIX.CZ z.s.p.o.
AS62102	Prazska plynarenska, a.s.

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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 AS5610 at robtex.

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