AS number details

AS5610

O2 Czech Republic, a.s. · o2.cz

Czechia

bittorrent

crawler

mobile

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AS5610 – O2 Czech Republic, a.s.

Field	Value
Country	Czechia
Website	o2.cz
Hosted domains	7,838
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	23 years ago on Jul 22, 2002
Updated	a year ago on Jun 12, 2024

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

Show more IP ranges

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

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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 7,838 domain names hosted across 1,930 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
80.188.241.234	██████████	264
81.90.160.100	██████████	210
90.183.125.35	██████████	210
90.182.39.34	██████████	204
194.228.93.211	██████████	200
90.182.205.206	██████████	172
160.218.161.162	█████	163
160.218.161.165	██████████	144
194.228.235.215	███████	136
80.188.239.11	██████████	113

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Peers

There are 69 peers for this ASN.

Peers	Name
AS1299	Arelion Sweden AB
AS13105	INFORM LLC
AS14840	BR.Digital Provider
AS15380	Air Navigation Services of the Czech Republic, state enterprise
AS16019	Vodafone Czech Republic a.s.
AS16246	O2 Czech Republic, a.s.
AS174	Cogent Communications
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
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.
AS205080	Societe Internationale de Telecommunications Aeronautiques
AS205233	KBC GLOBAL SERVICES NV
AS206613	Tipsport.net a.s.
AS206683	Moravskoslezske inovacni centrum Ostrava, a.s.
AS208712	CENDIS, s.p.
AS208906	SYNOT ICT Services, a.s.
AS208950	Ezpada s.r.o
AS211731	Ministry of labour and social affairs
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd
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.
AS2571	DHL Information Services (Europe) s.r.o
AS28952	O2 Business Services, a.s
AS29504	Freenet Liberec, z.s.
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.
AS42908	ORIGINAL AS CZ-NORDICTELECOMREGIONAL
AS43037	Seznam.cz, a.s.
AS43733	Viva Armenia CJSC
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.
AS5405	Inter.link GmbH
AS57463	NetIX Communications JSC
AS59747	NIX.CZ z.s.p.o.
AS60068	Datacamp Limited
AS6204	INTERKVM HOST SRL
AS62083	Fio banka, a.s.
AS62102	Prazska plynarenska, a.s.
AS6461	Zayo Bandwidth
AS6663	Euroweb Romania S.R.L.
AS6881	NIX.CZ z.s.p.o.
AS6939	Hurricane Electric LLC
AS8218	Zayo Infrastructure France SA

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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 36 downstreams for this ASN.

Downstreams	Name
AS13105	INFORM LLC
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.
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.
AS205080	Societe Internationale de Telecommunications Aeronautiques
AS205233	KBC GLOBAL SERVICES NV
AS206613	Tipsport.net a.s.
AS206683	Moravskoslezske inovacni centrum Ostrava, 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.
AS2571	DHL Information Services (Europe) s.r.o
AS28952	O2 Business Services, a.s
AS35096	Alef Nula a.s.
AS38952	MAFRA, a.s.
AS39453	Ustav zdravotnickych informaci a statistiky Ceske republiky
AS42908	ORIGINAL AS CZ-NORDICTELECOMREGIONAL
AS43037	Seznam.cz, a.s.
AS43757	ICZ a.s.
AS43866	Altron a.s.
AS49580	Monet +, a.s.
AS59747	NIX.CZ z.s.p.o.
AS62083	Fio banka, a.s.
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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