81.0.196.0/23

AS21430 · WIA spol. s.r.o.

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Summary

Country	Czechia
Domain	casablanca.cz
ASN	AS21430
Registry	RIPE
ID	CASABLANCAINT-CZ

WHOIS Details

inetnum:        81.0.196.0 - 81.0.196.255
netname:        CASABLANCAINT-CZ
descr:          Internet service provider
country:        CZ
admin-c:        CASA3-RIPE
tech-c:         CASA3-RIPE
status:         ASSIGNED PA
mnt-by:         CASABLANCA-RIPE-MNT
mnt-by:         WIA-AS-MNT
created:        2013-03-05T12:53:53Z
last-modified:  2020-11-18T14:26:01Z
source:         RIPE
remarks:        INFRA-AW
abuse-email:    abuse@casablanca.cz
abuse-c:        CASA3-RIPE
abuse-org:      ORG-CI1-RIPE

role:           Casablanca INT RIPE manager
address:        Casablanca INT
address:        Vinohradska 184, Prague 3 - 130 52
address:        Czech republic
phone:          +420 270 000 270
fax-no:         +420 270 000 277
e-mail:         hostmaster@casablanca.cz
abuse-mailbox:  abuse@casablanca.cz
admin-c:        JH1771-RIPE
tech-c:         JH1771-RIPE
notify:         hostmaster@casablanca.cz
nic-hdl:        CASA3-RIPE
created:        2005-09-05T10:42:10Z
last-modified:  2015-07-03T11:19:49Z
source:         RIPE
mnt-by:         CASABLANCA-CORE-MNT

route:          81.0.196.0/23
descr:          CASA to WIA transfer
origin:         AS21430
mnt-by:         CASABLANCA-CORE-MNT
mnt-by:         WIA-AS-MNT
created:        2019-09-03T22:31:57Z
last-modified:  2019-09-03T22:31:57Z
source:         RIPE

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 no domains currently hosted on this ASN.

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

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

IP Address	ASN	Details
81.0.197.177	AS21430 WIA spol. s.r.o.	`1.15ms` from Prague, CZ
81.0.196.214	AS21430 WIA spol. s.r.o.	`0.41ms` 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
217.60.26.7	AS401362 HOST4NERD LLC	`8.65ms` from Ashburn, US
76.97.75.87	AS7922 Comcast Cable Communications, LLC	`5.52ms` from Atlanta, US
175.19.26.55	AS4837 CHINA UNICOM China169 Backbone	`2.23ms` from Changchun, CN
117.207.17.119	AS9829 National Internet Backbone	`6.29ms` from Delhi, IN
91.33.216.55	AS3320 Deutsche Telekom AG	`2.65ms` from Duesseldorf, DE
146.19.101.119	AS201341 trafficforce, UAB	`0.52ms` from Frankfurt am Main, DE
87.177.105.151	AS3320 Deutsche Telekom AG	`5.90ms` from Frankfurt am Main, DE
217.20.70.183	AS33894 MTS PJSC	`15.90ms` from Krasnoyarsk, RU
200.37.26.7	AS6147 Telefonica del Peru S.A.A.	`1.13ms` from Lima, PE
185.61.47.7	AS393339 Consilio	`0.30ms` from London, GB
82.3.103.7	AS5089 Virgin Media Limited	`9.96ms` from London, GB
47.149.197.247	AS5650 Frontier Communications of America, Inc.	`2.58ms` from Los Angeles, US
76.129.242.183	AS7922 Comcast Cable Communications, LLC	`14.11ms` from Murfreesboro, US
20.226.36.23	AS8075 Microsoft Corporation	`0.24ms` from Sao Paulo, BR
60.96.157.87	AS17676 SoftBank Corp.	`3.00ms` from Tokyo, JP
35.210.115.135	AS15169 Google LLC	`0.15ms` from Brussels, BE
189.174.185.247	AS8151 UNINET	`0.67ms` from Cancún, MX
36.132.211.151	AS132525 HeiLongJiang Mobile Communication Company Limited	`14.84ms` from Changchun, CN
112.70.152.71	AS17511 OPTAGE Inc.	`2.29ms` from Osaka, JP
209.240.148.23	AS10732 TierraNet Inc.	`0.65ms` from San Diego, US
2.68.171.39	AS44034 Hi3G Access AB	`8.93ms` from Stockholm, SE
111.252.33.199	AS3462 Data Communication Business Group	`2.14ms` from Taichung, TW
199.188.70.23	AS912 Hut 8 Mining Corp.	`1.24ms` from Toronto, CA
94.68.38.215	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`6.63ms` from Athens, GR
112.194.244.55	AS4837 CHINA UNICOM China169 Backbone	`9.10ms` from Chengdu, CN

Traceroute

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

traceroute -a -n -q1 81.0.197.225

traceroute to 81.0.197.225 (81.0.197.225): 64 hops max, 52 byte packets

1 [AS42473] 178.255.154.92 0.361 ms

2 [] 91.210.16.28 2.945 ms

3 [AS21430] 80.250.27.107 3.29 ms

4 [AS21430] 31.7.247.137 1.653 ms

5 [AS21430] 80.250.27.126 0.91 ms

6 [AS21430] 81.0.197.225 1.405 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On November 14th 2025

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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