78.156.140.0/24

AS207945 · CNI Group s.r.o.

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Summary

Country	Czechia
Domain	ceskaoptickasit.cz
ASN	AS207945
Parent Range	78.156.128.0/19
Registry	RIPE
ID	CZ-CESKA_OPTICKA_SIT-ON

WHOIS Details

inetnum:        78.156.140.0 - 78.156.140.255
netname:        CZ-CESKA_OPTICKA_SIT-ON
descr:          Ceska opticka sit
country:        CZ
admin-c:        TJ1042-RIPE
tech-c:         TJ1042-RIPE
status:         ASSIGNED PA
mnt-by:         MNT-OPTONET
created:        2008-06-24T18:39:29Z
last-modified:  2016-06-28T01:59:27Z
source:         RIPE
abuse-email:    abuse@optonet.cz
abuse-c:        AOC17-RIPE
abuse-org:      ORG-OCLS3-RIPE

person:         Tichy Josef
address:        OptoNet Communication, spol. s r.o.
address:        Cerveny Kriz 250
address:        568 02 Jihlava
address:        Czech republic
phone:          +420564040133
e-mail:         tichy@optonet.cz
nic-hdl:        TJ1042-RIPE
mnt-by:         MNT-OPTONET_JT
created:        2007-08-06T07:09:45Z
last-modified:  2017-10-30T21:56:13Z
source:         RIPE

route:          78.156.128.0/19
descr:          CZ-OPTONET-20070816
origin:         AS43542
mnt-by:         MNT-OPTONET
created:        2007-09-13T11:21:05Z
last-modified:  2007-09-13T11:21:05Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 78.156.140.0/24

Range	ASN	Company	Num of IPs
78.156.128.0/19	AS43542	OptoNet Communication, spol. s.r.o.	8,192

Nearby Ranges

BGP prefixes that overlap with 78.156.0.0/16

Range	ASN	Company	Num of IPs
78.156.224.0/19	AS43574	PJSC Rostelecom	8,192
78.156.192.0/19	AS44034	Hi3G Access AB	8,192
78.156.96.0/19	AS39642	Sinal A/S	8,192
78.156.32.0/19	AS43507	RETE internet, s.r.o.	8,192
78.156.0.0/19	AS25400	Telia Norge AS	8,192
78.156.128.0/19	AS43542	OptoNet Communication, spol. s.r.o.	8,192
78.156.32.0/20	AS43507	Roudnice nad Labem	4,096
78.156.64.0/20	AS8220	COLT Telecom	4,096
78.156.80.0/21	AS8220	COLT Technology	2,048

Hosted domains

There are 13 domain names hosted across 5 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
78.156.140.195	pisenopevnine.cz	4
78.156.140.148	pojistise.eu	4
78.156.140.65	vinomol.cz	2
78.156.140.84	jisr-institute.com	2
78.156.140.132	ceskydisk.cz	1

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
78.156.140.1	AS207945 CNI Group s.r.o.	`1.86ms` 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
73.143.249.168	AS7922 Comcast Cable Communications, LLC	`4.89ms` from Boston, US
75.111.25.232	AS19108 Optimum	`12.98ms` from Fremont, US
80.45.62.56	AS13285 TalkTalk Communications Limited	`2.23ms` from London, GB
162.141.88.232	AS42831 UK Dedicated Servers Limited	`0.28ms` from London, GB
176.25.171.136	AS5607 Sky UK Limited	`3.55ms` from London, GB
195.223.197.248	AS3269 Telecom Italia S.p.A.	`6.79ms` from Milan, IT
34.139.224.136	AS396982 Google LLC	`0.14ms` from Moncks Corner, US
13.219.180.56	AS14618 Amazon.com, Inc.	`0.34ms` from Reston, US
31.195.230.232	AS3269 Telecom Italia S.p.A.	`1.57ms` from Rome, IT
113.237.58.40	AS4837 CHINA UNICOM China169 Backbone	`12.25ms` from Tieling, CN
146.3.164.200	AS6186 Garcia Consulting, Inc.	`0.09ms` from Ashburn, US
174.66.200.168	AS22773 Cox Communications Inc.	`12.27ms` from Chicago, US
174.16.188.40	AS209 CenturyLink Communications, LLC	`2.19ms` from Denver, US
93.232.222.56	AS3320 Deutsche Telekom AG	`3.57ms` from Frankfurt am Main, DE
31.48.89.120	AS2856 British Telecommunications PLC	`2.88ms` from London, GB
79.144.254.56	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.10ms` from Madrid, ES
197.219.149.248	AS37342 Movitel, SA	`1.97ms` from Maputo, MZ
85.173.200.40	AS12389 PJSC Rostelecom	`18.75ms` from Moscow, RU
159.41.187.136	AS8011 MongoDB, Inc.	`0.12ms` from Mumbai, IN
54.242.245.232	AS14618 Amazon.com, Inc.	`0.44ms` from Reston, US
211.225.211.136	AS4766 Korea Telecom	`3.48ms` from Seoul, KR
46.217.74.136	AS6821 Makedonski Telekom AD-Skopje	`1.56ms` from Skopje, MK
89.44.220.200	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`7.63ms` from Sofia, BG
60.132.111.200	AS17676 SoftBank Corp.	`3.18ms` from Tokyo, JP
216.211.99.232	AS32277 TBayTel	`14.51ms` from Toronto, CA

Traceroute

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

traceroute -a -n -q1 -f2 78.156.140.145

traceroute to 78.156.140.145 (78.156.140.145): 64 hops max, 52 byte packets

2 [] 91.210.17.48 4.494 ms

3 [AS43542] 78.156.128.83 1.953 ms

4 [AS207945] 78.156.140.145 1.849 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On January 19th 2026

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