Autonomous System details

AS21430

WIA spol. s.r.o. · wia.cz

Czechia

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AS21430 – WIA spol. s.r.o.

Field	Value
Country	Czechia
Website	wia.cz
Hosted domains	1,835
IPv4 addresses	41,472
IPv6 addresses	79,232,998,217,542,796,110,242,775,040
ASN type	ISP
Registry	ripe
Allocated	24 years ago on Dec 07, 2001
Updated	3 years ago on Jun 21, 2023

Netblock	Company	Num of IPs
80.250.0.0/19	WIA spol. s.r.o.	8,192
31.7.240.0/21	WIA spol. s.r.o.	2,048
77.78.80.0/21	WIA spol. s.r.o.	2,048
83.136.200.0/21	WIA spol. s.r.o.	2,048
77.78.64.0/22	WIA spol. s.r.o.	1,024
81.0.200.0/22	WIA spol. s.r.o.	1,024
82.208.0.0/22	WIA spol. s.r.o.	1,024
82.208.52.0/22	WIA spol. s.r.o.	1,024
147.161.28.0/22	WIA spol. s.r.o.	1,024
185.33.136.0/22	WIA spol. s.r.o.	1,024
185.161.240.0/22	WIA spol. s.r.o.	1,024
77.78.68.0/23	WIA spol. s.r.o.	512
77.78.74.0/23	WIA spol. s.r.o.	512
77.78.88.0/23	NET2U s.r.o.	512
77.78.92.0/23	BOSNET s.r.o.	512
81.0.196.0/23	CASABLANCA INT a.s.	512
81.0.204.0/23	Prague9 wifi access	512
81.0.210.0/23	WIA spol. s.r.o.	512
81.0.222.0/23	CGI Metropole, s.r.o.	512
81.0.244.0/23	WIA spol. s.r.o.	512
81.0.252.0/23	WIA spol. s.r.o.	512
82.208.24.0/23	WIA spol. s.r.o.	512
82.208.30.0/23	WIA spol. s.r.o.	512
82.208.36.0/23	WIA spol. s.r.o.	512
82.208.42.0/23	WIA spol. s.r.o.	512
85.209.124.0/23	FIBER CONNECTIONS s.r.o.	512
85.239.224.0/23	WIA spol. s.r.o.	512
85.239.228.0/23	WIA spol. s.r.o.	512
85.239.254.0/23	WIA spol. s.r.o.	512
91.234.162.0/23	Jiri Pondelicek	512
109.123.200.0/23	WIA spol. s.r.o.	512
109.123.212.0/23	WIA spol. s.r.o.	512
217.11.238.0/23	WIA spol. s.r.o.	512
217.11.240.0/23	365internet s.r.o.	512
217.11.252.0/23	WIA spol. s.r.o.	512
77.78.91.0/24	WIA spol. s.r.o.	256
77.78.122.0/24	WIA spol. s.r.o.	256
81.0.198.0/24	365internet s.r.o.	256
81.0.215.0/24	WIA spol. s.r.o.	256
81.0.216.0/24	WIA spol. s.r.o.	256
81.0.224.0/24	WIA spol. s.r.o.	256
81.0.227.0/24	WIA spol. s.r.o.	256
81.0.229.0/24	WIA spol. s.r.o.	256
81.0.251.0/24	WIA spol. s.r.o.	256
82.208.13.0/24	WIA spol. s.r.o.	256
82.208.15.0/24	WIA spol. s.r.o.	256
82.208.19.0/24	WIA spol. s.r.o.	256
82.208.38.0/24	WIA spol. s.r.o.	256
82.208.45.0/24	WIA spol. s.r.o.	256
82.208.51.0/24	WIA spol. s.r.o.	256
82.208.57.0/24	WIA spol. s.r.o.	256
82.208.59.0/24	WIA spol. s.r.o.	256
85.209.126.0/24	FIBER CONNECTIONS s.r.o.	256
85.239.226.0/24	WIA spol. s.r.o.	256
85.239.251.0/24	WIA spol. s.r.o.	256
96.9.126.0/24	FunFirst s.r.o.	256
109.123.201.0/24	NET2U s.r.o.	256
109.123.204.0/24	WIA spol. s.r.o.	256
109.123.226.0/24	WIA spol. s.r.o.	256
217.11.226.0/24	WIA spol. s.r.o.	256
217.11.231.0/24	WIA spol. s.r.o.	256
217.11.234.0/24	WIA spol. s.r.o.	256
217.11.237.0/24	WIA spol. s.r.o.	256
217.11.244.0/24	WIA spol. s.r.o.	256
217.11.250.0/24	WIA spol. s.r.o.	256
217.11.255.0/24	WIA spol. s.r.o.	256

Netblock	Company
2a01:6400::/32	WIA spol. s.r.o.
2001:67c:aa4::/48	SmartSelling a.s.
2001:67c:15a0::/48	Excello s.r.o.
2001:67c:15a1::/48	Excello s.r.o.
2a14:a480::/48	FunFirst s.r.o.

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WHOIS Details

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                                                ASHandle:       AS21430
                                                OrgID:          AS21430
                                                ASName:         AS21430
                                                ASNumber:       AS21430
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 1,835 domain names hosted across 305 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
80.250.5.74	██████████	211
217.11.237.180	██████████	138
77.78.92.74	██████████	123
80.250.24.177	██████████	99
217.11.237.242	█████████	93
82.208.42.245	████████	62
217.11.237.177	██████████	46
82.208.2.190	██████████	41
82.208.42.252	██████████	30
80.250.24.214	██████████	29

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Peers

There are 52 peers for this ASN.

Peers	Name
AS1299	Arelion Sweden AB
AS14840	BR.Digital Telecom
AS15614	Dragon Internet a.s.
AS174	Cogent Communications, LLC
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS198150	SIACOM JSC
AS199220	KrU Stredoceskeho kraje
AS203376	Mailkit s.r.o.
AS20562	Broadband Hosting B.V.
AS209369	The Cloud Provider s.r.o.
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS22356	Durand do Brasil Ltda
AS24482	SG.GS
AS263444	Open X Tecnologia Ltda
AS28917	Fiord Networks, UAB
AS29049	Delta Telecom Ltd
AS29504	Freenet Liberec, z.s.
AS3212	Telemach Slovenija d.o.o.
AS32590	Valve Corporation
AS33943	Eri Internet s.r.o.
AS3491	PCCW Global, Inc.
AS35369	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation
AS36236	NetActuate, Inc
AS37721	Virtual Technologies & Solutions
AS39120	Convergenze S.p.A.
AS39392	SH.cz s.r.o.
AS39761	ABAK, Co.Ltd.
AS40994	Hohl IT e.U.
AS41327	Fiber Telecom S.p.A.
AS42189	Druzstvo EUROSIGNAL
AS43733	Viva Armenia CJSC
AS44306	OMONIA d.o.o.
AS4455	IX Reach Ltd
AS44901	Belcloud LTD
AS47200	NIX.CZ z.s.p.o.
AS48451	Prazska energetika, a.s.
AS49544	i3D.net B.V
AS50629	LWLcom GmbH
AS51184	Fonira Telekom GmbH
AS53062	ALT \| GRUPO BRASIL TECPAR
AS5405	Inter.link GmbH
AS57463	NetIX Communications JSC
AS59890	Kabel-TV Lampert GmbH & Co KG
AS6204	INTERKVM HOST SRL
AS6663	Euroweb Romania S.R.L.
AS6881	NIX.CZ z.s.p.o.
AS6939	Hurricane Electric LLC
AS7713	PT Telekomunikasi Indonesia
AS8218	Zayo Infrastructure France SA
AS8529	Zain Omantel International FZ-LLC
AS9009	M247 Europe SRL
AS9498	BHARTI Airtel Ltd.

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ASN API & Database

Upstreams

There are 5 upstreams for this ASN.

upstreams	Name
AS1299	Arelion Sweden AB
AS174	Cogent Communications, LLC
AS3491	PCCW Global, Inc.
AS39392	SH.cz s.r.o.
AS6939	Hurricane Electric LLC

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Downstreams

There are 8 downstreams for this ASN.

Downstreams	Name
AS15614	Dragon Internet a.s.
AS199220	KrU Stredoceskeho kraje
AS203376	Mailkit s.r.o.
AS209369	The Cloud Provider s.r.o.
AS33943	Eri Internet s.r.o.
AS39761	ABAK, Co.Ltd.
AS42189	Druzstvo EUROSIGNAL
AS48451	Prazska energetika, a.s.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
77.78.66.34	AS21430 WIA spol. s.r.o.	`0.55ms` from Prague, CZ
80.250.29.14	AS21430 WIA spol. s.r.o.	`0.34ms` from Prague, CZ
2a01:6400:100d::1	AS21430 WIA spol. s.r.o.	`1.28ms` from Prague, CZ
80.250.10.5	AS21430 WIA spol. s.r.o.	`0.45ms` from Prague, CZ
217.11.240.70	AS21430 WIA spol. s.r.o.	`0.71ms` from Prague, CZ
81.0.245.248	AS21430 WIA spol. s.r.o.	`0.61ms` from Prague, CZ
2a01:6400:ff22::1	AS21430 WIA spol. s.r.o.	`4.51ms` from Prague, CZ
77.78.64.33	AS21430 WIA spol. s.r.o.	`1.37ms` from Prague, CZ
82.208.25.209	AS21430 WIA spol. s.r.o.	`0.46ms` from Prague, CZ
2001:67c:aa4::1	AS21430 WIA spol. s.r.o.	`0.37ms` from Prague, CZ
80.250.17.45	AS21430 WIA spol. s.r.o.	`0.36ms` from Prague, CZ
2a01:6400:ff12::1	AS21430 WIA spol. s.r.o.	`1.95ms` from Prague, CZ
77.78.75.42	AS21430 WIA spol. s.r.o.	`0.42ms` from Prague, CZ
80.250.4.132	AS21430 WIA spol. s.r.o.	`3.02ms` from Prague, CZ
2a01:6400:ff25::1	AS21430 WIA spol. s.r.o.	`4.13ms` from Prague, CZ
80.250.2.130	AS21430 WIA spol. s.r.o.	`0.45ms` from Prague, CZ
2a01:6400:100c:100::2	AS21430 WIA spol. s.r.o.	`6.73ms` from Vienna, AT
82.208.0.149	AS21430 WIA spol. s.r.o.	`0.46ms` from Prague, CZ
83.136.204.109	AS21430 WIA spol. s.r.o.	`1.07ms` from Prague, CZ
77.78.122.49	AS21430 WIA spol. s.r.o.	`0.71ms` from Prague, CZ
185.33.136.126	AS21430 WIA spol. s.r.o.	`0.33ms` from Prague, CZ
81.0.210.179	AS21430 WIA spol. s.r.o.	`0.60ms` from Prague, CZ
2a01:6400:ff40::1	AS21430 WIA spol. s.r.o.	`2.67ms` from Prague, CZ
81.0.227.174	AS21430 WIA spol. s.r.o.	`1.00ms` from Prague, CZ
2a01:6400:ff80::1	AS21430 WIA spol. s.r.o.	`4.83ms` 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
50.250.25.230	AS7922 Comcast Cable Communications, LLC	`7.46ms` from Boston, US
81.160.160.214	AS47169 Pro-M Zrt.	`5.67ms` from Budapest, HU
18.224.83.230	AS16509 Amazon.com, Inc.	`0.16ms` from Columbus, US
52.156.205.102	AS8075 Microsoft Corporation	`0.20ms` from Dublin, IE
89.0.114.22	AS8422 NetCologne Gesellschaft fur Telekommunikation mbH	`3.55ms` from Duesseldorf, DE
27.153.193.182	AS4134 CHINANET-BACKBONE	`6.80ms` from Fuzhou, CN
198.0.88.134	AS7922 Comcast Cable Communications, LLC	`9.45ms` from Houston, US
58.231.250.86	AS9318 SK Broadband Co Ltd	`6.01ms` from Incheon, KR
202.184.137.102	AS9930 TTNET-MY	`0.99ms` from Kuala Lumpur, MY
82.43.162.198	AS5089 Virgin Media Limited	`3.52ms` from London, GB
23.221.125.6	AS9299 Philippine Long Distance Telephone Company	`0.10ms` from Manila, PH
189.152.102.22	AS8151 UNINET	`1.65ms` from Monterrey, MX
62.228.124.86	AS6866 Cyprus Telecommunications Authority	`2.10ms` from Nicosia, CY
124.247.114.70	AS37892 Cable Media WAIWAI Co.,Ltd.	`10.65ms` from Osaka, JP
8.243.33.6	AS15256 Itau Unibanco S.A.	`4.22ms` from Osasco, BR
109.222.179.70	AS3215 Orange S.A.	`7.95ms` from Paris, FR
85.41.43.86	AS3269 Telecom Italia S.p.A.	`4.32ms` from Rome, IT
118.56.38.198	AS4766 Korea Telecom	`6.57ms` from Seoul, KR
122.51.190.102	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.98ms` from Shanghai, CN
194.14.211.6	AS205332 Broadridge Trading and Connectivity Solutions AB	`0.84ms` from Stockholm, SE
113.21.38.38	AS38835 Buroserv Australia Pty Ltd	`0.68ms` from Sydney, AU
80.246.204.70	AS28878 Signet B.V.	`0.72ms` from Amsterdam, NL
85.15.58.182	AS31549 Aria Shatel PJSC	`17.55ms` from Baku, AZ
211.143.67.54	AS24547 Hebei Mobile Communication Company Limited	`8.59ms` from Beijing, CN
101.28.29.182	AS4837 CHINA UNICOM China169 Backbone	`9.08ms` from Beijing, CN

Traceroute

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

traceroute -a -n -q1 -f2 82.208.52.234

traceroute to 82.208.52.234 (82.208.52.234): 64 hops max, 52 byte packets

2 [] 91.210.16.28 0.442 ms

3 [AS21430] 82.208.52.234 0.45 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On February 16th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS21430 at robtex.

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