176.102.128.0/19

AS42908 · ORIGINAL AS CZ-NORDICTELECOMREGIONAL

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Summary

Country	Czechia
Domain	o2.cz
ASN	AS42908
Registry	RIPE
ID	CZ-CZNET-20111125

WHOIS Details

inetnum:        176.102.128.0 - 176.102.159.255
netname:        CZ-CZNET-20111125
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:        2025-04-01T07:33:39Z
last-modified:  2025-04-01T07:33:39Z
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:          176.102.128.0/19
origin:         AS42908
mnt-by:         mnt-nordictelecom
mnt-by:         AS5610-MTN
created:        2025-02-04T19:31:56Z
last-modified:  2025-04-01T09:45:03Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 176.102.0.0/16

Range	ASN	Company	Num of IPs
176.102.192.0/19	AS39822	Center for Information Technologies Fobos Ltd.	8,192
176.102.96.0/20	AS57547	WIRIX, s.r.o.	4,096
176.102.80.0/20	AS198235	GRAKOM ANDRZEJ LISZKA	4,096
176.102.160.0/21	AS56463	OOO BSCOM	2,048
176.102.120.0/21	AS5650	GVM Sistem 2003 SRL	2,048
176.102.112.0/21	AS57547	WIRIX, s.r.o.	2,048
176.102.72.0/21	AS198248	Richard Filip	2,048
176.102.176.0/21	AS207156	LAITO Sp. Z O. O.	2,048
176.102.124.0/22	AS5650	GVM Sistem 2003 SRL	1,024
176.102.64.0/22	AS42422	SecurityNet.cz s.r.o.	1,024
176.102.68.0/22	AS41929	MTS PJSC	1,024
176.102.65.0/24	AS42422	SecurityNet.cz s.r.o.	256
176.102.64.0/24	AS42422	SecurityNet.cz s.r.o.	256
176.102.123.0/24	AS136787	PacketHub Canada	256
176.102.66.0/24	AS42422	SecurityNet.cz s.r.o.	256
176.102.67.0/24	AS42422	SecurityNet.cz s.r.o.	256

Hosted domains

There are 27 domain names hosted across 16 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
176.102.134.85	lukasbica.cz	5
176.102.133.28	loges.cz	5
176.102.128.131	helpcup.eu	3
176.102.128.236	ddusvp.cz	2
176.102.135.92	revitasoft.cz	1
176.102.135.213	terrafox.cz	1
176.102.144.142	alftech.cz	1
176.102.132.22	autocentrumkaspar.cz	1
176.102.128.156	kotras.eu	1
176.102.131.4	srnec.eu	1
176.102.135.24	holipnik.cz	1
176.102.128.166	milisoft.cz	1
176.102.128.135	adamacoustic.com	1
176.102.135.30	marek-la.eu	1
176.102.135.29	mashcode.cz	1
176.102.128.205	10001001.nexus	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

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

IP Address	ASN	Details
176.102.135.5	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`1.73ms` from Prague, CZ
176.102.137.23	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`4.82ms` from Prague, CZ
176.102.128.81	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`0.89ms` from Prague, CZ
176.102.133.58	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`5.79ms` from Prague, CZ
176.102.129.185	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`0.86ms` from Prague, CZ
176.102.144.165	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`0.85ms` from Prague, CZ
176.102.146.125	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`0.88ms` from Prague, CZ
176.102.130.113	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`0.88ms` from Prague, CZ
176.102.131.1	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`0.88ms` from Prague, CZ
176.102.136.145	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`6.97ms` from Prague, CZ
176.102.132.29	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`0.83ms` from Prague, CZ
176.102.134.114	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`3.19ms` 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
120.56.84.35	AS9829 National Internet Backbone	`7.43ms` from Chennai, IN
172.77.117.99	AS5650 Frontier Communications of America, Inc.	`14.26ms` from Chicago, US
78.135.184.163	AS25441 Imagine Communications Group Limited	`2.46ms` from Dublin, IE
176.181.99.99	AS5410 Bouygues Telecom SA	`8.29ms` from Paris, FR
188.234.21.67	AS41668 JSC ER-Telecom Holding	`8.32ms` from Samara, RU
175.124.149.67	AS17836 IBK Securities	`1.02ms` from Seoul, KR
203.250.150.227	AS4766 Korea Telecom	`2.32ms` from Seoul, KR
39.171.36.179	AS56041 China Mobile communications corporation	`6.69ms` from Suzhou, CN
161.35.85.179	AS14061 DigitalOcean, LLC	`0.23ms` from Amsterdam, NL
73.39.253.35	AS7922 Comcast Cable Communications, LLC	`5.42ms` from Ashburn, US
212.227.3.243	AS8560 IONOS SE	`0.75ms` from Berlin, DE
91.9.199.51	AS3320 Deutsche Telekom AG	`8.13ms` from Frankfurt am Main, DE
84.142.59.115	AS3320 Deutsche Telekom AG	`7.26ms` from Frankfurt am Main, DE
129.122.200.19	AS37645 Finstar - Sociedade de Investimento e Participacoes S.A	`12.32ms` from Luanda, AO
24.103.15.243	AS12271 Charter Communications Inc	`1.01ms` from New York City, US
63.232.111.99	AS209 CenturyLink Communications, LLC	`1.24ms` from Phoenix, US
152.70.246.147	AS31898 Oracle Corporation	`0.17ms` from Seoul, KR
5.2.196.147	AS8708 DIGI ROMANIA S.A.	`6.57ms` from Timisoara, RO
89.105.210.211	AS24875 NovoServe B.V.	`0.66ms` from Amsterdam, NL
18.209.41.67	AS14618 Amazon.com, Inc.	`0.54ms` from Ashburn, US
100.36.25.179	AS701 Verizon Business	`2.02ms` from Ashburn, US
124.162.101.3	AS4837 CHINA UNICOM China169 Backbone	`6.19ms` from Chongqing, CN
149.52.56.83	AS55201 SkyQuantum Internet Service	`0.25ms` from Fremont, US
129.173.112.211	AS8111 Dalhousie University	`0.35ms` from Halifax, CA
38.244.205.3	AS58061 Scalaxy B.V.	`0.27ms` from Helsinki, FI

Traceroute

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

traceroute -a -n -q1 -f3 -m11 176.102.149.77

traceroute to 176.102.149.77 (176.102.149.77): 11 hops max, 52 byte packets

3 [AS6939] 184.105.65.45 24.124 ms

4 *

5 *

6 [] 91.210.16.161 28.625 ms

7 [AS5610] 194.228.77.51 28.82 ms

8 [AS42908] 78.136.132.8 28.947 ms

9 *

10 *

11 *

Measurement taken from

IPinfo ProbeNet in Iasi, RO

On December 28th 2025

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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