81.0.224.0/24

AS21430 · WIA spol. s.r.o.

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Summary

Country	Czechia
Domain	wia.cz
ASN	AS21430
Registry	RIPE
ID	CZ-WIA-20011214

WHOIS Details

inetnum:        81.0.222.0 - 81.0.224.255
netname:        CZ-WIA-20011214
country:        CZ
org:            ORG-Wss1-RIPE
admin-c:        PU100-RIPE
tech-c:         PU100-RIPE
status:         ALLOCATED PA
mnt-by:         WIA-AS-MNT
mnt-by:         RIPE-NCC-HM-MNT
created:        2022-07-28T08:08:26Z
last-modified:  2022-07-28T08:08:26Z
source:         RIPE
abuse-email:    abuse@wia.cz
abuse-c:        WAC9-RIPE
abuse-org:      ORG-Wss1-RIPE

organisation:   ORG-Wss1-RIPE
org-name:       WIA spol. s.r.o.
country:        CZ
org-type:       LIR
address:        Vojtesska 17
address:        110 00
address:        Praha 1
address:        CZECH REPUBLIC
phone:          +420 225 372 055
phone:          +420 246 035411
fax-no:         +420 246 035410
e-mail:         noc@wia.cz
admin-c:        FM1337-RIPE
admin-c:        PU100-RIPE
mnt-by:         WIA-AS-MNT
mnt-ref:        WIA-AS-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
abuse-c:        WAC9-RIPE
created:        2004-04-17T11:04:59Z
last-modified:  2020-12-16T12:19:39Z
source:         RIPE

person:         Pavel Uhliar
address:        Ceska 9
address:        351 01, Frant. Lazne
address:        Czech Republic
phone:          +420 246035411
fax-no:         +420 246035410
e-mail:         uhliar@wia.cz
nic-hdl:        PU100-RIPE
notify:         uhliar@wia.cz
created:        2001-10-24T09:03:52Z
last-modified:  2015-07-28T18:03:50Z
source:         RIPE
mnt-by:         WIA-AS-MNT

Nearby Ranges

BGP prefixes that overlap with 81.0.0.0/16

Range	ASN	Company	Num of IPs
81.0.0.0/18	AS15704	XTRA TELECOM S.A.	16,384
81.0.128.0/18	AS2116	GLOBALCONNECT AS	16,384
81.0.192.0/22	AS15685	CASABLANCA INT a.s.	1,024
81.0.248.0/23	AS51167	Contabo GmbH	512
81.0.124.0/23	AS12301	Invitech ICT Services Kft.	512
81.0.88.0/23	AS12301	Invitech ICT Services Kft.	512
81.0.96.0/23	AS12301	Invitech ICT Services Kft.	512
81.0.254.0/23	AS15685	CASABLANCA INT a.s.	512
81.0.242.0/23	AS204383	CASABLANCA INT a.s.	512
81.0.108.0/23	AS20845	DIGI - INVITEL pool	512
81.0.122.0/23	AS20845	DIGI - INVITEL pool	512
81.0.126.0/23	AS20845	DIGI - INVITEL pool	512
81.0.98.0/23	AS20845	DIGI - INVITEL pool	512
81.0.210.0/23	AS21430	WIA spol. s.r.o.	512
81.0.244.0/23	AS21430	WIA spol. s.r.o.	512
81.0.218.0/23	AS51167	Contabo GmbH	512
81.0.220.0/23	AS51167	Contabo GmbH	512
81.0.246.0/23	AS51167	Contabo GmbH	512
81.0.229.0/24	AS21430	WIA spol. s.r.o.	256
81.0.68.0/24	AS12301	Egomnet Kft.	256
81.0.119.0/24	AS12301	Data center	256
81.0.104.0/24	AS12301	Datacenter Hosting Internet	256
81.0.97.0/24	AS12301	Net-Tech Consulting Kft.	256
81.0.67.0/24	AS12301	Euroweb Internet Service Provider	256
81.0.199.0/24	AS15685	CASABLANCA INT a.s.	256
81.0.217.0/24	AS15685	CASABLANCA INT a.s.	256
81.0.226.0/24	AS15685	NETHOST s.r.o.	256
81.0.228.0/24	AS15685	CASABLANCA INT a.s.	256
81.0.250.0/24	AS15685	CASABLANCA INT a.s.	256
81.0.227.0/24	AS21430	WIA spol. s.r.o.	256
81.0.124.0/24	AS12301	Deploy Is Kft.	256
81.0.230.0/24	AS204383	CASABLANCA INT a.s.	256

Hosted domains

There are 2 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
81.0.224.254	golfis.cz	1
81.0.224.54	neuse.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

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Pingable IPs

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

IP Address	ASN	Details
81.0.224.182	AS21430 WIA spol. s.r.o.	`0.52ms` 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
84.68.75.72	AS5378 Vodafone Limited	`4.91ms` from Edinburgh, GB
164.122.11.232	AS668 United States Department of Defense (DoD)	`0.63ms` from Honolulu, US
211.236.89.8	AS4766 Korea Telecom	`0.78ms` from Incheon, KR
184.148.253.24	AS577 Bell Canada	`2.49ms` from Montreal, CA
67.81.195.56	AS6128 Cablevision Systems Corp.	`1.86ms` from New York City, US
183.154.229.168	AS4134 CHINANET-BACKBONE	`8.37ms` from Ningbo, CN
128.114.223.24	AS5739 University of California, Santa Cruz	`1.58ms` from San Jose, US
24.23.161.136	AS7922 Comcast Cable Communications, LLC	`4.96ms` from San Jose, US
115.41.58.200	AS10066 LG HelloVision Corp.	`8.02ms` from Seoul, KR
3.113.18.40	AS16509 Amazon.com, Inc.	`1.07ms` from Tokyo, JP
133.232.147.152	AS2514 NTT PC Communications, Inc.	`5.15ms` from Tokyo, JP
218.218.85.168	AS4725 SoftBank Corp.	`8.55ms` from Tokyo, JP
94.152.8.40	AS29522 Cyber_Folks S.A.	`4.87ms` from Warsaw, PL
181.88.189.216	AS7303 Telecom Argentina S.A.	`17.54ms` from Asuncion, PY
35.225.170.184	AS396982 Google LLC	`0.35ms` from Council Bluffs, US
79.253.82.200	AS3320 Deutsche Telekom AG	`4.73ms` from Frankfurt am Main, DE
62.53.238.136	AS6805 Telefonica Germany GmbH & Co.OHG	`0.56ms` from Frankfurt am Main, DE
98.207.73.56	AS7922 Comcast Cable Communications, LLC	`4.32ms` from Fremont, US
94.242.15.8	AS200302 VISP LLC	`0.89ms` from Saint Petersburg, RU
125.151.132.136	AS4766 Korea Telecom	`1.75ms` from Seoul, KR
116.63.218.232	AS4811 China Telecom (Group)	`3.14ms` from Shanghai, CN
36.54.90.104	AS10013 FreeBit Co.,Ltd.	`10.89ms` from Tokyo, JP
20.89.97.8	AS8075 Microsoft Corporation	`0.14ms` from Tokyo, JP
73.133.73.120	AS7922 Comcast Cable Communications, LLC	`7.52ms` from Ashburn, US
118.89.225.72	AS45090 Shenzhen Tencent Computer Systems Company Limited	`4.75ms` from Beijing, CN

Traceroute

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

traceroute -a -n -q1 -f3 81.0.224.5

traceroute to 81.0.224.5 (81.0.224.5): 64 hops max, 52 byte packets

3 [] 91.210.16.28 0.537 ms

4 [AS21430] 80.250.27.107 0.525 ms

5 [AS21430] 31.7.247.145 1.576 ms

6 *

7 *

8 [AS21430] 81.0.224.5 3.838 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On February 7th 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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