91.234.162.0/23

AS21430 · WIA spol. s.r.o.

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Summary

Country	Czechia
Domain	ifiber.cz
ASN	AS21430
Registry	RIPE
ID	IFIBERCZ

WHOIS Details

inetnum:        91.234.162.0 - 91.234.163.255
netname:        IFIBERCZ
country:        CZ
org:            ORG-POND1-RIPE
admin-c:        JP6008-RIPE
tech-c:         JP6008-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         PONDELICEK-MNT
mnt-routes:     PONDELICEK-MNT
mnt-routes:     WIA-AS-MNT
mnt-routes:     CDT-MNT
mnt-domains:    PONDELICEK-MNT
mnt-routes:     PONDELICEK-MNT
notify:         pondelicek@ifiber.cz
created:        2012-01-25T14:22:11Z
last-modified:  2024-06-25T13:29:00Z
source:         RIPE
sponsoring-org: ORG-Vs35-RIPE
abuse-email:    jiri.pondelicek@gmail.com
abuse-c:        AR19284-RIPE
abuse-org:      ORG-Vs35-RIPE

organisation:   ORG-POND1-RIPE
org-name:       Jiri Pondelicek
country:        CZ
org-type:       OTHER
address:        U Markety 125, Praha 10
e-mail:         pondelicek@ifiber.cz
abuse-c:        AR19284-RIPE
mnt-ref:        PONDELICEK-MNT
mnt-by:         PONDELICEK-MNT
created:        2012-01-24T16:45:06Z
last-modified:  2022-12-01T16:43:33Z
source:         RIPE

person:         Jiri Pondelicek
address:        Polska 26, Praha 2
phone:          +420607773572
e-mail:         pondelicek@ifiber.cz
nic-hdl:        JP6008-RIPE
mnt-by:         PONDELICEK-MNT
created:        2012-01-24T16:42:14Z
last-modified:  2012-01-24T16:42:15Z
source:         RIPE

route:          91.234.162.0/23
origin:         AS21430
mnt-by:         WIA-AS-MNT
created:        2017-08-07T09:34:15Z
last-modified:  2017-08-07T09:34:15Z
source:         RIPE

route:          91.234.162.0/23
descr:          IFIBERCZ via CDT
descr:          The Czech Republic
origin:         AS25512
mnt-by:         CDT-MNT
created:        2018-01-22T10:11:23Z
last-modified:  2018-01-22T10:11:23Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 91.234.0.0/16

Range	ASN	Company	Num of IPs
91.234.152.0/22	AS2585	Optic Telecom LLC	1,024
91.234.80.0/22	AS197831	Telekom Ltd	1,024
91.234.136.0/22	AS197218	PP Dmutrashko Evgeny Vitalievich	1,024
91.234.104.0/22	AS200780	Eurofiber France SAS	1,024
91.234.0.0/22	AS196863	HATANET Ltd	1,024
91.234.116.0/22	AS207984	Crazy Panda Rus Ltd.	1,024
91.234.12.0/22	AS198401	Geckonet Sp. z o. o.	1,024
91.234.72.0/22	AS43067	PE Pretcher	1,024
91.234.108.0/22	AS39294	LADA-MEDIA Ltd.	1,024
91.234.92.0/22	AS149689	Comsys Bulgaria Ltd.	1,024
91.234.40.0/22	AS196957	Center of Information Technologies Kharkiv Online Subsidiary	1,024
91.234.112.0/22	AS197496	SkyLan Sp. z o.o.	1,024
91.234.128.0/22	AS198424	HLG Sp. z o.o.	1,024
91.234.180.0/22	AS198438	INTRAST Ltd.	1,024
91.234.132.0/22	AS52026	PRIVREDNO DRUSTVO ZA PROIZVODNJU PROMET I USLUGE KBC ON LINE DOO	1,024
91.234.68.0/22	AS57725	Individual entrepreneur Noroshkin Vladimir Aleksandrovich	1,024
91.234.124.0/22	AS198397	Krucznet Sp z o.o.	1,024
91.234.100.0/22	AS39507	Biznes Swiatlowodem Sp. z o.o.	1,024
91.234.164.0/22	AS49478	Provodov.net Ltd.	1,024
91.234.56.0/22	AS49074	SC TECHNOLOGICAL SRL	1,024
91.234.60.0/22	AS198367	INKO-Telecom, LLC	1,024
91.234.84.0/22	AS206349	Helleniq Energy Digital Monoprosopi SA	1,024
91.234.32.0/22	AS56485	TheHost LLC	1,024
91.234.156.0/22	AS21743	GVM Sistem 2003 SRL	1,024
91.234.96.0/23	AS198083	Virtual Station LLC	512
91.234.204.0/23	AS198443	Advania Finland Oy	512
91.234.252.0/23	AS198430	vSolutions Pawel Gruszecki	512
91.234.220.0/23	AS9009	M247 New Jersey Customer	512
91.234.50.0/23	AS13127	Alarm Control Nederland B.V.	512
91.234.184.0/23	AS20860	IOMART MANAGED SERVICES LIMITED	512
91.234.150.0/23	AS9009	GVM Sistem 2003 SRL	512
91.234.222.0/23	AS9009	M247 New Jersey Customer	512
91.234.64.0/23	AS57725	Individual entrepreneur Noroshkin Vladimir Aleksandrovich	512
91.234.122.0/23	AS207023	Welt-Net Broadband	512
91.234.168.0/23	AS50819	Cloud Vault SRL	512
91.234.208.0/23	AS48503	Tele2 Kazakhstan	512
91.234.140.0/23	AS57726	PE Teleradiocompania RKT-2	512
91.234.242.0/23	AS200826	S.C DAILY SOLUTIONS S.R.L	512
91.234.28.0/23	AS35731	NT Service Ltd	512
91.234.226.0/23	AS42174	Sipcom Ltd.	512
91.234.186.0/23	AS197087	Kielecki Park Technologiczny	512
91.234.50.0/23	AS28685	Alarm Control Nederland B.V.	512
91.234.66.0/23	AS42374	WYSZYNSKIEGO 2	512
91.234.218.0/23	AS57764	Flink Ltd.	512
91.234.170.0/24	AS198445	RDI Group LTD	256
91.234.207.0/24	AS198442	Totalizator Sportowy Sp. z o.o.	256
91.234.160.0/24	AS198249	Ops One AG	256
91.234.188.0/24	AS198437	LLC Direct Star	256
91.234.247.0/24	AS209430	HUTA STALOWA WOLA S.A.	256

Hosted domains

There are 20 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
91.234.163.220	krcmatech.cz	12
91.234.162.107	senioralarm.cz	6
91.234.162.1	krupicka.eu	1
91.234.162.142	alefi.net	1

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
91.234.162.140	AS21430 WIA spol. s.r.o.	`1.13ms` from Prague, CZ
91.234.163.220	AS21430 WIA spol. s.r.o.	`1.13ms` 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
52.181.141.231	AS8075 Microsoft Corporation	`0.60ms` from Boydton, US
67.173.9.71	AS7922 Comcast Cable Communications, LLC	`5.91ms` from Chicago, US
52.28.91.39	AS16509 Amazon.com, Inc.	`0.15ms` from Frankfurt am Main, DE
202.91.8.119	AS38150 PT. TIME EXCELINDO	`9.56ms` from Jakarta, ID
81.141.72.71	AS2856 British Telecommunications PLC	`2.98ms` from London, GB
90.192.121.247	AS5607 Sky UK Limited	`1.49ms` from London, GB
35.190.74.231	AS396982 Google LLC	`0.07ms` from Melbourne, AU
8.17.123.247	AS23089 Hotwire Communications	`1.05ms` from Miami, US
51.118.9.7	AS16509 Amazon.com, Inc.	`0.17ms` from Milan, IT
220.147.126.7	AS2519 ARTERIA Networks Corporation	`2.30ms` from Osaka, JP
73.96.138.23	AS7922 Comcast Cable Communications, LLC	`3.68ms` from Portland, US
95.239.214.167	AS3269 Telecom Italia S.p.A.	`2.64ms` from Rome, IT
94.23.31.7	AS16276 OVH SAS	`0.11ms` from Roubaix, FR
73.189.158.55	AS7922 Comcast Cable Communications, LLC	`5.71ms` from Santa Clara, US
38.244.189.199	AS58061 Scalaxy B.V.	`0.14ms` from Amsterdam, NL
73.167.204.71	AS7922 Comcast Cable Communications, LLC	`9.57ms` from Boston, US
34.140.51.135	AS396982 Google LLC	`0.16ms` from Brussels, BE
186.141.3.55	AS22927 Telefonica de Argentina	`11.29ms` from Buenos Aires, AR
123.255.55.247	AS23655 2degrees Networks Limited	`1.07ms` from Christchurch, NZ
3.141.122.119	AS16509 Amazon.com, Inc.	`0.18ms` from Columbus, US
92.236.90.167	AS5089 Virgin Media Limited	`4.05ms` from Erith, GB
45.8.135.7	AS5065 Bunny Communications	`0.77ms` from Frankfurt am Main, DE
135.225.53.247	AS8075 Microsoft Corporation	`0.14ms` from Gaevle, SE
210.53.135.247	AS9929 CHINA UNICOM Industrial Internet Backbone	`5.49ms` from Hong Kong, HK
174.61.118.87	AS7922 Comcast Cable Communications, LLC	`4.77ms` from Miami, US

Traceroute

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

traceroute -a -n -q1 -f2 91.234.163.209

traceroute to 91.234.163.209 (91.234.163.209): 64 hops max, 52 byte packets

2 [] 91.210.16.28 0.519 ms

3 [AS21430] 80.250.27.107 0.464 ms

4 [AS21430] 91.234.163.209 1.176 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On January 19th 2026

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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