185.78.12.0/22

AS42908 · ORIGINAL AS CZ-NORDICTELECOMREGIONAL

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Summary

Country	Czechia
Domain	o2.cz
ASN	AS42908
Registry	RIPE
ID	CZ-CZNET-20141120

WHOIS Details

inetnum:        185.78.12.0 - 185.78.15.255
netname:        CZ-CZNET-20141120
country:        CZ
org:            ORG-STaN1-RIPE
admin-c:        VAKO1-RIPE
tech-c:         CZO2-RIPE
status:         ALLOCATED PA
mnt-by:         AS5610-MTN
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-04-01T07:33:40Z
last-modified:  2025-04-01T07:33:40Z
source:         RIPE
abuse-email:    abuse@o2.cz
abuse-c:        AR14410-RIPE
abuse-org:      ORG-STaN1-RIPE

organisation:   ORG-STaN1-RIPE
org-name:       O2 Czech Republic, a.s.
country:        CZ
org-type:       LIR
address:        Za Brumlovkou 266/2
address:        140 22
address:        Praha 4 - Michle
address:        CZECH REPUBLIC
phone:          +420 2 71466184
fax-no:         +420 2 71464414
e-mail:         marek.vogel@o2.cz
admin-c:        VAKO1-RIPE
admin-c:        MV96-RIPE
admin-c:        HVJI1-RIPE
tech-c:         CZO2-RIPE
abuse-c:        AR14410-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS5610-MTN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS5610-MTN
created:        2004-04-17T11:04:17Z
last-modified:  2020-12-16T12:31:56Z
source:         RIPE
abuse-email:    abuse@o2.cz
abuse-c:        AR14410-RIPE
abuse-org:      undefined

role:           5610-Tech-and-Admin
address:        Za Brumlovkou 266/2
address:        Praha 4 - Michle, PSC 140 22
e-mail:         router@o2.cz
nic-hdl:        CZO2-RIPE
admin-c:        VAKO1-RIPE
admin-c:        MV96-RIPE
admin-c:        HVJI1-RIPE
tech-c:         VAKO1-RIPE
tech-c:         HVJI1-RIPE
abuse-mailbox:  abuse@o2.cz
org:            ORG-STaN1-RIPE
mnt-by:         AS5610-MTN
created:        2016-02-18T09:58:30Z
last-modified:  2018-04-20T10:44:21Z
source:         RIPE

person:         Vaclav Kordula
address:        O2 Czech Republic, a.s.
address:        Za Brumlovkou 266/2
address:        Praha 4 - Michle, PS? 140 22
address:        Czech Republic
phone:          +420 2 714668845
e-mail:         vaclav.kordula@o2.cz
nic-hdl:        VAKO1-RIPE
notify:         vaclav.kordula@o2.cz
mnt-by:         AS5610-MTN
created:        1970-01-01T00:00:00Z
last-modified:  2016-02-12T13:32:30Z
source:         RIPE

route:          185.78.12.0/22
origin:         AS42908
mnt-by:         mnt-nordictelecom
mnt-by:         AS5610-MTN
created:        2025-02-04T19:46:50Z
last-modified:  2025-04-01T10:50:36Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 185.78.0.0/16

Range	ASN	Company	Num of IPs
185.78.32.0/22	AS48940	LLC Service Telecom	1,024
185.78.180.0/22	AS8368	Destiny N.V	1,024
185.78.88.0/22	AS16353	X2 Communications Ltd	1,024
185.78.40.0/22	AS60481	Deutsche Zentrale fur Tourismus e.V. DZT	1,024
185.78.176.0/22	AS203986	schnell-im-netz.de GmbH & Co.KG	1,024
185.78.96.0/22	AS201330	SolidBE BV	1,024
185.78.196.0/22	AS25151	Cyso Group B.V.	1,024
185.78.8.0/22	AS59953	Purefibre Internet Ltd.	1,024
185.78.148.0/22	AS201323	Przedsiebiorstwo Handlowo Uslugowe Kamdex Grzegorz Sztuczka	1,024
185.78.248.0/22	AS201311	IT Creation B.V.	1,024
185.78.0.0/22	AS16030	ASPWIFI S.L.	1,024
185.78.220.0/22	AS47521	IpHost P.C.	1,024
185.78.140.0/22	AS201324	INTERXION FRANCE SAS	1,024
185.78.64.0/22	AS200858	Rackone Srl	1,024
185.78.16.0/22	AS43648	STIADSL S.R.L	1,024
185.78.124.0/22	AS51395	ScIT Informatik GmbH	1,024
185.78.132.0/22	AS41676	JMDI Jacek Maleszko	1,024
185.78.128.0/22	AS8544	Primetel PLC	1,024
185.78.32.0/22	AS1	LLC Service Telecom	1,024
185.78.204.0/22	AS8426	Claranet Limited	1,024
185.78.136.0/22	AS12365	ISP Sarkor Telecom, BRAS-9	1,024
185.78.156.0/22	AS30781	Free Pro SAS	1,024
185.78.48.0/22	AS201333	Naquadria - Datacenter Services	1,024
185.78.152.0/22	AS42005	LightStorm Services s.r.o.	1,024
185.78.240.0/22	AS25467	Akton d.o.o.	1,024
185.78.228.0/22	AS34822	NEP Norway AS	1,024
185.78.92.0/22	AS42437	T2 Mobile LLC	1,024
185.78.188.0/22	AS31736	Rega-Sense AG	1,024
185.78.20.0/22	AS48434	Tebyan-e-Noor Cultural-Artistic Institute	1,024
185.78.80.0/22	AS201900	EAGLE FOOTBALL GROUP SA	1,024
185.78.44.0/22	AS47736	IT and Development Center of Ministry of Interior, Estonia	1,024
185.78.52.0/22	AS201289	COMMIFY UK LIMITED	1,024
185.78.212.0/22	AS198144	COMUNICACIONES RONDA, S.L.	1,024
185.78.112.0/22	AS47551	MAYAK NETWORK LLC	1,024
185.78.24.0/22	AS201942	acens Technologies, S.L.	1,024
185.78.252.0/22	AS58243	TELE AG	1,024
185.78.68.0/22	AS43568	VEV Romerike AS	1,024
185.78.208.0/22	AS202128	ITEAM 10 AS	1,024
185.78.100.0/22	AS201730	Cloud4com s.r.o.	1,024
185.78.60.0/22	AS198930	Vereinigte Stadtwerke Media GmbH	1,024
185.78.36.0/22	AS29084	Comnet Bulgaria Holding Ltd.	1,024
185.78.216.0/23	AS202038	Intercity Technology - Touch Technology	512
185.78.192.0/23	AS5089	City of Wakefield Metropolitan District Council	512
185.78.106.0/23	AS45102	ChangLian Network Technology Co., Limited	512
185.78.76.0/23	AS262287	Men Danil Valentinovich	512
185.78.104.0/24	AS137443	ChangLian Network Technology Co., Limited	256
185.78.174.0/24	AS49959	ReadSpeaker AB	256
185.78.160.0/24	AS25465	BIOSME	256
185.78.21.0/24	AS48434	Tebyan-e-Noor Cultural-Artistic Institute	256

Hosted domains

There are 3 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
185.78.13.1	fplan.cloud	2
185.78.12.83	sonikdesign.eu	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
185.78.12.151	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	6.21ms from Prague, CZ
185.78.13.172	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	5.94ms from Prague, CZ
185.78.15.70	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	5.87ms from Prague, CZ
185.78.14.94	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	5.90ms 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
107.204.228.38	AS7018 AT&T Enterprises, LLC	1.73ms from Dallas, US
54.217.230.6	AS16509 Amazon.com, Inc.	0.18ms from Dublin, IE
122.225.15.70	AS4134 CHINANET-BACKBONE	6.72ms from Hangzhou, CN
68.192.63.134	AS6128 Cablevision Systems Corp.	3.86ms from Piscataway, US
112.228.36.246	AS4837 CHINA UNICOM China169 Backbone	5.11ms from Qingdao, CN
122.45.235.230	AS17858 LG POWERCOMM	2.33ms from Seoul, KR
220.72.14.166	AS4766 Korea Telecom	1.51ms from Seoul, KR
115.9.39.214	AS4766 Korea Telecom	7.07ms from Seoul, KR
58.87.76.246	AS45090 Shenzhen Tencent Computer Systems Company Limited	4.21ms from Tianjin, CN
85.74.182.246	AS6799 Ote SA (Hellenic Telecommunications Organisation)	8.74ms from Athens, GR
114.31.100.22	AS17741 Medical Objects Pty Ltd	0.93ms from Brisbane, AU
162.195.83.102	AS7018 AT&T Enterprises, LLC	10.88ms from Chicago, US
14.236.165.102	AS45899 VNPT Corp	7.95ms from Da Nang, VN
204.83.149.166	AS803 Saskatchewan Telecommunications	19.22ms from Des Moines, US
54.75.58.150	AS16509 Amazon.com, Inc.	0.18ms from Dublin, IE
24.134.58.6	AS3209 Vodafone GmbH	1.37ms from Frankfurt am Main, DE
183.178.93.118	AS10103 HK Broadband Network Ltd.	1.24ms from Hong Kong, HK
41.10.72.214	AS36994 Vodacom	10.32ms from Johannesburg, ZA
74.217.56.230	AS13789 Unitas Global	1.23ms from New York City, US
138.186.173.70	AS263877 rede banda larga	0.77ms from Osasco, BR
104.184.159.70	AS7018 AT&T Enterprises, LLC	4.01ms from San Jose, US
222.107.217.6	AS4766 Korea Telecom	1.07ms from Seoul, KR
112.165.32.38	AS4766 Korea Telecom	6.15ms from Seoul, KR
34.2.130.166	AS15169 Google LLC	0.14ms from Singapore, SG
94.139.203.86	AS34295 Geo BG Net SPLtd.	4.12ms from Sofia, BG

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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