88.102.0.0/16

AS5610 · O2 Czech Republic, a.s.

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Summary

Country	Czechia
Domain	o2.cz
ASN	AS5610
Parent Range	88.100.0.0/14
Registry	RIPE
ID	CZ-CZNET-20051004

WHOIS Details

inetnum:        88.100.0.0 - 88.103.255.255
netname:        CZ-CZNET-20051004
country:        CZ
org:            ORG-STaN1-RIPE
admin-c:        CZO2-RIPE
admin-c:        VAKO1-RIPE
tech-c:         CZO2-RIPE
tech-c:         VAKO1-RIPE
status:         ALLOCATED PA
remarks:        For all problems with spam
remarks:        please contact [email protected]
remarks:        Abuse Contact:[email protected]
remarks:        * Hack Attacks, Illegal Activity, Violation, Scans, Probes, etc.
notify:         [email protected]
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS5610-MTN
created:        2005-10-04T09:32:56Z
last-modified:  2018-12-18T09:09:42Z
source:         RIPE
abuse-email:    [email protected]
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:         [email protected]
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:    [email protected]
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:         [email protected]
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:  [email protected]
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:         [email protected]
nic-hdl:        VAKO1-RIPE
notify:         [email protected]
mnt-by:         AS5610-MTN
created:        1970-01-01T00:00:00Z
last-modified:  2016-02-12T13:32:30Z
source:         RIPE

route:          88.103.192.0/18
descr:          CZ.CZNET
origin:         AS5610
notify:         [email protected]
mnt-by:         AS5610-MTN
created:        2015-05-25T07:39:48Z
last-modified:  2015-05-25T07:39:48Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 88.102.0.0/16

Range	ASN	Company	Num of IPs
88.100.0.0/14	AS5610	O2 Czech Republic, a.s.	262,144

Nearby Ranges

BGP prefixes that overlap with 88.0.0.0/8

Range	ASN	Company	Num of IPs
88.160.0.0/11	AS12322	Free SAS	2,097,152
88.224.0.0/11	AS9121	Turk Telekomunikasyon Anonim Sirketi	2,097,152
88.64.0.0/12	AS3209	Vodafone GmbH	1,048,576
88.120.0.0/13	AS12322	SCALEWAY S.A.S.	524,288
88.88.0.0/13	AS2119	Telenor Norge AS	524,288
88.136.0.0/14	AS15557	Residentiel	262,144
88.192.0.0/14	AS1759	Telia Finland Oyj	262,144
88.112.0.0/14	AS719	Elisa Oyj	262,144
88.100.0.0/14	AS5610	O2 Czech Republic, a.s.	262,144
88.152.0.0/15	AS3209	Vodafone West GmbH	131,072
88.154.0.0/15	AS34058	Limited Liability Company lifecell	131,072
88.116.0.0/15	AS8447	A1 Telekom Austria AG	131,072
88.140.0.0/15	AS15557	Data	131,072
88.129.0.0/16	AS29518	Bredband2 AB	65,536
88.217.0.0/16	AS8767	M-net Telekommunikations GmbH	65,536
88.219.0.0/16	AS15557	Societe Francaise Du Radiotelephone - SFR SA	65,536
88.221.0.0/16	AS20940	Akamai International B.V.	65,536
88.131.0.0/16	AS1257	Tele2 Sverige AB	65,536
88.154.0.0/16	AS34058	Limited Liability Company lifecell	65,536
88.155.0.0/16	AS34058	Limited Liability Company lifecell	65,536
88.128.0.0/16	AS3320	Telekom Deutschland GmbH	65,536
88.130.0.0/16	AS8881	1&1 Versatel GmbH	65,536
88.27.0.0/16	AS3352	Telefonica de Espana SAU (NCC#2007050901) Red de servicios IP Spain	65,536
88.159.0.0/16	AS1136	KPN B.V.	65,536
88.196.0.0/16	AS3249	Telia Eesti AS	65,536
88.142.0.0/16	AS15557	Data	65,536
88.134.0.0/16	AS3209	Vodafone GmbH	65,536
88.99.0.0/16	AS24940	Hetzner Online GmbH	65,536
88.199.0.0/16	AS20960	TK Telekom sp. z o.o.	65,536
88.198.0.0/16	AS24940	Hetzner Online GmbH	65,536
88.207.0.0/17	AS31012	A1 Hrvatska d.o.o.	32,768
88.148.0.0/17	AS29119	Ion Airenetworks Mobile	32,768
88.207.128.0/17	AS6661	POST Luxembourg	32,768
88.150.128.0/17	AS20860	IOMART MANAGED SERVICES LIMITED	32,768
88.149.128.0/17	AS35612	EOLO S.p.A.	32,768
88.148.0.0/17	AS6830	Ion Airenetworks Mobile	32,768
88.202.0.0/17	AS29286	SKYLOGIC S.P.A.	32,768
88.201.128.0/17	AS35807	SkyNet Ltd.	32,768
88.197.128.0/17	AS5432	Full Telecom NV	32,768
88.204.128.0/17	AS9198	JSC Kazakhtelecom	32,768
88.147.0.0/17	AS35612	EOLO S.p.A.	32,768
88.146.0.0/17	AS29208	Quantcom, a.s.	32,768
88.147.128.0/17	AS12389	PJSC Rostelecom	32,768
88.197.0.0/17	AS8643	Panepistimioupolis, Ilisia	32,768
88.203.128.0/17	AS8717	A1 Bulgaria EAD	32,768
88.146.128.0/17	AS16019	Vodafone Czech Republic a.s.	32,768
88.148.128.0/17	AS16086	DNA Oyj	32,768
88.206.0.0/17	AS8369	Intersvyaz-2 JSC	32,768
88.148.0.0/17	AS6939	Ion Airenetworks Mobile	32,768
88.149.0.0/17	AS12969	Ljosleidarinn ehf	32,768

Hosted domains

There are 109 domain names hosted across 47 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
88.102.7.66	ileex.com	40
88.102.7.67	autodopravakral.eu	12
88.102.6.218	tribase.cz	3
88.102.189.39	red-hill.cz	3
88.102.189.138	nablejskej.to	3
88.102.234.124	sandow.cz	3
88.102.141.140	sok4y.net	2
88.102.117.90	atmofix.cz	2
88.102.117.215	medienkompetenzuebung.org	2
88.102.189.34	grootcz.eu	2
88.102.79.91	thykel.cz	1
88.102.39.156	softet.cz	1
88.102.189.18	ruzickovic.cz	1
88.102.174.2	ostalgie.eu	1
88.102.208.75	consultsec.cz	1
88.102.135.10	radavamberk.cz	1
88.102.234.129	fillbot.com	1
88.102.39.96	trucino-usti.cz	1
88.102.7.250	ps1.cz	1
88.102.3.30	trackgps.cz	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

Read more

Pingable IPs

8,910 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
88.102.221.178	AS5610 O2 Czech Republic, a.s.	`1.70ms` from Prague, CZ
88.102.162.167	AS5610 O2 Czech Republic, a.s.	`1.62ms` from Prague, CZ
88.102.73.16	AS5610 O2 Czech Republic, a.s.	`2.89ms` from Prague, CZ
88.102.62.232	AS5610 O2 Czech Republic, a.s.	`5.88ms` from Prague, CZ
88.102.61.16	AS5610 O2 Czech Republic, a.s.	`6.21ms` from Prague, CZ
88.102.251.109	AS5610 O2 Czech Republic, a.s.	`4.67ms` from Prague, CZ
88.102.65.147	AS5610 O2 Czech Republic, a.s.	`2.66ms` from Prague, CZ
88.102.107.3	AS5610 O2 Czech Republic, a.s.	`3.48ms` from Prague, CZ
88.102.59.51	AS5610 O2 Czech Republic, a.s.	`3.50ms` from Prague, CZ
88.102.97.162	AS5610 O2 Czech Republic, a.s.	`3.64ms` from Prague, CZ
88.102.220.38	AS5610 O2 Czech Republic, a.s.	`1.57ms` from Prague, CZ
88.102.60.122	AS5610 O2 Czech Republic, a.s.	`3.20ms` from Prague, CZ
88.102.175.69	AS5610 O2 Czech Republic, a.s.	`4.04ms` from Prague, CZ
88.102.172.29	AS5610 O2 Czech Republic, a.s.	`1.32ms` from Prague, CZ
88.102.157.184	AS5610 O2 Czech Republic, a.s.	`3.53ms` from Prague, CZ
88.102.111.129	AS5610 O2 Czech Republic, a.s.	`2.83ms` from Prague, CZ
88.102.244.253	AS5610 O2 Czech Republic, a.s.	`5.25ms` from Prague, CZ
88.102.98.159	AS5610 O2 Czech Republic, a.s.	`3.25ms` from Prague, CZ
88.102.148.56	AS5610 O2 Czech Republic, a.s.	`3.50ms` from Prague, CZ
88.102.211.22	AS5610 O2 Czech Republic, a.s.	`1.80ms` from Prague, CZ
88.102.215.96	AS5610 O2 Czech Republic, a.s.	`1.80ms` from Prague, CZ
88.102.75.21	AS5610 O2 Czech Republic, a.s.	`4.51ms` from Prague, CZ
88.102.110.49	AS5610 O2 Czech Republic, a.s.	`2.83ms` from Prague, CZ
88.102.63.207	AS5610 O2 Czech Republic, a.s.	`2.79ms` from Prague, CZ
88.102.109.104	AS5610 O2 Czech Republic, a.s.	`3.04ms` 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
176.205.57.208	AS5384 Emirates Internet	`3.81ms` from Al Fujairah City, AE
108.142.172.224	AS8075 Microsoft Corporation	`0.20ms` from Amsterdam, NL
171.103.21.176	AS7470 TRUE INTERNET Co.,Ltd.	`1.43ms` from Bangkok, TH
50.56.230.0	AS33070 Rackspace Hosting	`1.24ms` from Dallas, US
81.71.47.112	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.03ms` from Guangzhou, CN
72.220.243.16	AS22773 Cox Communications Inc.	`7.47ms` from Los Angeles, US
85.251.143.192	AS6739 VODAFONE ONO, S.A.	`9.96ms` from Madrid, ES
194.243.134.240	AS3269 Telecom Italia S.p.A.	`9.36ms` from Milan, IT
91.167.72.96	AS12322 Free SAS	`5.91ms` from Paris, FR
45.235.211.0	AS268214 schossler e silva ltda - me	`1.22ms` from Porto Alegre, BR
23.118.236.64	AS7018 AT&T Enterprises, LLC	`3.72ms` from San Antonio, US
210.60.164.192	AS1659 Taiwan Academic Network (TANet) Information Center	`2.76ms` from Taipei, TW
165.192.141.48	AS36351 IBM Cloud	`0.95ms` from Tokyo, JP
178.190.130.128	AS8447 A1 Telekom Austria AG	`2.43ms` from Vienna, AT
122.57.53.224	AS4771 Spark New Zealand Trading Ltd.	`0.77ms` from Auckland, NZ
94.225.22.160	AS6848 Telenet BV	`5.34ms` from Brussels, BE
91.248.117.160	AS9145 EWE TEL GmbH	`6.05ms` from Hamburg, DE
105.247.135.64	AS36994 Vodacom	`11.33ms` from Johannesburg, ZA
34.13.48.96	AS396982 Google LLC	`0.11ms` from London, GB
174.129.195.48	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
44.197.201.144	AS14618 Amazon.com, Inc.	`0.36ms` from Reston, US
191.5.249.16	AS263544 VARZEA NET TELECOMUNICACOES LTDA ME	`2.80ms` from Sao Paulo, BR
73.254.26.128	AS7922 Comcast Cable Communications, LLC	`5.49ms` from Seattle, US
119.17.105.0	AS23563 SK Broadband Co Ltd	`2.30ms` from Seoul, KR
146.70.229.16	AS9009 M247 Europe SRL	`0.15ms` from Singapore, SG

Traceroute

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

traceroute -a -n -q1 -m6 88.102.186.203

traceroute to 88.102.186.203 (88.102.186.203): 6 hops max, 52 byte packets

1 [AS15169] 142.251.248.129 23.581 ms

2 [AS15169] 192.178.98.174 23.947 ms

3 [AS5610] 194.228.92.84 24.194 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Berlin, DE

On January 30th 2026

What are IP address ranges?

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