81.0.242.0/23

AS204383 · SPCom s.r.o.

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Summary

Country	Czechia
Domain	casablanca.cz
ASN	AS204383
Registry	RIPE
ID	SPCOM-CASA

WHOIS Details

inetnum:        81.0.242.0 - 81.0.243.255
netname:        SPCOM-CASA
country:        CZ
admin-c:        CASA3-RIPE
admin-c:        PS21706-RIPE
tech-c:         CASA3-RIPE
tech-c:         PS21706-RIPE
mnt-by:         CASABLANCA-RIPE-MNT
mnt-lower:      cz-spcom-1-mnt
mnt-lower:      SPCOM-MNT
mnt-domains:    cz-spcom-1-mnt
mnt-domains:    SPCOM-MNT
status:         SUB-ALLOCATED PA
created:        2025-06-02T13:25:53Z
last-modified:  2025-06-02T13:25:53Z
source:         RIPE
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

person:         Petr Sramek
address:        Gocarova trida 227
address:        50003
address:        Hradec Kralove
address:        CZECH REPUBLIC
phone:          +420491040040
nic-hdl:        PS21706-RIPE
mnt-by:         cz-spcom-1-mnt
created:        2018-03-20T08:53:12Z
last-modified:  2018-03-20T08:53:13Z
source:         RIPE

route:          81.0.242.0/23
descr:          SPCOM
origin:         AS204383
mnt-by:         CASABLANCA-CORE-MNT
created:        2025-06-02T13:27:12Z
last-modified:  2025-06-02T13:27:12Z
source:         RIPE

Hosted domains

There are 8 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
81.0.242.61	officeteam.cz	4
81.0.242.195	leteckafotografie.info	3
81.0.242.78	kendy.cz	1

Hosted domains API

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
86.89.90.151	AS1136 KPN B.V.	`1.44ms` from Amsterdam, NL
51.144.44.7	AS8075 Microsoft Corporation	`0.20ms` from Amsterdam, NL
62.155.238.71	AS3320 Deutsche Telekom AG	`1.78ms` from Duesseldorf, DE
104.220.187.215	AS11404 Wave Broadband	`6.24ms` from Fremont, US
137.204.111.119	AS137 Consortium GARR	`3.69ms` from Milan, IT
178.175.207.231	AS31263 MYNET S.R.L.	`2.85ms` from Milan, IT
168.138.78.247	AS31898 Oracle Corporation	`0.15ms` from Montreal, CA
24.90.215.7	AS12271 Charter Communications Inc	`3.61ms` from New York City, US
119.179.143.215	AS4837 CHINA UNICOM China169 Backbone	`10.54ms` from Qingdao, CN
75.157.23.231	AS852 TELUS Communications Inc.	`4.77ms` from Seattle, US
58.102.129.247	AS23580 DAILY SPORTSWORLD	`1.40ms` from Seoul, KR
106.167.183.215	AS2516 KDDI CORPORATION	`5.20ms` from Tokyo, JP
27.19.220.135	AS58563 CHINANET Hubei province network	`1.48ms` from Wuhan, CN
178.208.80.55	AS216139 Iron Hosting Centre LTD	`0.79ms` from Amsterdam, NL
20.232.225.199	AS8075 Microsoft Corporation	`0.36ms` from Ashburn, US
221.198.178.39	AS4837 CHINA UNICOM China169 Backbone	`5.51ms` from Beijing, CN
179.232.236.39	AS28573 Claro NXT Telecomunicacoes Ltda	`7.07ms` from Brasilia, BR
18.254.118.231	AS8987 Amazon Data Services Ireland Ltd	`0.81ms` from Columbus, US
47.185.246.183	AS5650 Frontier Communications of America, Inc.	`1.82ms` from Dallas, US
86.135.228.167	AS2856 British Telecommunications PLC	`3.55ms` from London, GB
106.70.54.231	AS4804 Microplex PTY LTD	`2.79ms` from Melbourne, AU
81.249.91.215	AS3215 Orange S.A.	`6.83ms` from Paris, FR
112.241.94.39	AS4837 CHINA UNICOM China169 Backbone	`7.34ms` from Qingdao, CN
112.162.122.215	AS4766 Korea Telecom	`6.49ms` from Seoul, KR
14.37.41.119	AS4766 Korea Telecom	`1.57ms` from Seoul, KR

Traceroute

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

traceroute -a -n -q1 -f3 -m14 81.0.242.10

traceroute to 81.0.242.10 (81.0.242.10): 14 hops max, 52 byte packets

3 [AS210644] 176.124.202.88 10.582 ms

4 *

5 *

6 *

7 [AS1299] 62.115.11.186 39.099 ms

8 *

9 [AS16019] 77.48.29.69 41.083 ms

10 [AS16019] 213.192.19.14 45.912 ms

11 [AS204383] 91.245.14.254 47.585 ms

12 *

13 *

14 *

Measurement taken from

IPinfo ProbeNet in Stockholm, SE

On August 22nd 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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