81.0.215.0/24

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:        81.0.215.0 - 81.0.216.255
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:        2022-07-28T08:08:27Z
last-modified:  2022-07-28T08:08:27Z
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 26 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
81.0.215.49	faco.cz	11
81.0.215.54	bohemiaadvise.cz	11
81.0.215.52	mojesapa.cz	2
81.0.215.227	gordionservices.com	1
81.0.215.53	lifestylehotel.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

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

IP Address	ASN	Details
81.0.215.46	AS21430 WIA spol. s.r.o.	`0.85ms` 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
81.204.139.136	AS1136 KPN B.V.	`1.07ms` from Amsterdam, NL
23.214.230.8	AS16625 Akamai Technologies, Inc.	`0.18ms` from Ashburn, US
188.215.127.200	AS22773 Cox Communications Inc.	`2.15ms` from Ashburn, US
174.107.123.136	AS11426 Charter Communications Inc	`10.21ms` from Atlanta, US
84.89.159.8	AS13041 Consorci de Serveis Universitaris de Catalunya	`0.77ms` from Barcelona, ES
34.208.205.248	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
181.140.228.56	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`15.64ms` from Bogota, CO
174.77.147.72	AS22773 Cox Communications Inc.	`4.95ms` from Boston, US
99.102.119.40	AS7018 AT&T Enterprises, LLC	`9.52ms` from Chicago, US
174.97.105.104	AS10796 Charter Communications Inc	`13.89ms` from Cleveland, US
24.33.131.152	AS10796 Charter Communications Inc	`7.02ms` from Columbus, US
34.46.76.104	AS396982 Google LLC	`0.38ms` from Council Bluffs, US
84.143.202.56	AS3320 Deutsche Telekom AG	`6.80ms` from Frankfurt am Main, DE
47.97.52.104	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.16ms` from Hangzhou, CN
195.142.63.200	AS34984 Superonline Iletisim Hizmetleri A.S.	`4.84ms` from Istanbul, TR
46.33.253.168	AS31272 WildPark Co	`8.74ms` from Kyiv, UA
92.26.202.40	AS13285 TalkTalk Communications Limited	`6.03ms` from London, GB
86.180.126.248	AS2856 British Telecommunications PLC	`1.93ms` from London, GB
24.183.51.232	AS20115 Charter Communications LLC	`18.67ms` from Minneapolis, US
180.140.22.8	AS4134 CHINANET-BACKBONE	`3.52ms` from Nanning, CN
184.61.211.104	AS4181 TDS TELECOM	`10.61ms` from New York City, US
3.222.112.248	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
115.99.45.136	AS17488 Hathway IP Over Cable Internet	`1.32ms` from Saint Thomas Mount, IN
99.91.44.136	AS7018 AT&T Enterprises, LLC	`3.06ms` from San Jose, US
201.61.44.184	AS27699 TELEFÔNICA BRASIL S.A	`15.90ms` from Sao Paulo, BR

Traceroute

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

traceroute -a -n -q1 -f4 81.0.215.46

traceroute to 81.0.215.46 (81.0.215.46): 64 hops max, 52 byte packets

4 [] 91.210.16.28 0.512 ms

5 [AS21430] 80.250.27.107 0.559 ms

6 [AS21430] 31.7.247.149 1.623 ms

7 [AS21430] 82.208.52.42 0.824 ms

8 *

9 [AS21430] 109.123.226.238 1.39 ms

10 [AS21430] 81.0.215.46 1.009 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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