31.15.8.0/21

AS25234 · ACTIVE 24, s.r.o.

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Summary

Country	Czechia
Domain	active24.cz
ASN	AS25234
Registry	RIPE
ID	CZ-GLOBE-20110420

WHOIS Details

inetnum:        31.15.8.0 - 31.15.15.255
netname:        CZ-GLOBE-20110420
country:        CZ
org:            ORG-GA5-RIPE
admin-c:        ATD8-RIPE
tech-c:         ATD8-RIPE
status:         ALLOCATED PA
notify:         noc@active24.cz
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-ACTIVE24-CZ
mnt-lower:      MNT-ACTIVE24-CZ
mnt-domains:    MNT-ACTIVE24-CZ
mnt-routes:     MNT-ACTIVE24-CZ
created:        2011-04-20T08:49:59Z
last-modified:  2016-08-30T07:25:51Z
source:         RIPE
abuse-email:    abuse@active24.cz
abuse-c:        ATD8-RIPE
abuse-org:      ORG-GA5-RIPE

organisation:   ORG-GA5-RIPE
org-name:       ACTIVE 24, s.r.o.
country:        CZ
org-type:       LIR
address:        Sokolovska 394
address:        186 00
address:        Prague 8
address:        CZECH REPUBLIC
phone:          +420 234 262 000
fax-no:         +420 234 262 009
e-mail:         lir@active24.cz
admin-c:        ATD8-RIPE
abuse-c:        ATD8-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-ACTIVE24-CZ
notify:         noc@active24.cz
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-ACTIVE24-CZ
created:        2004-04-17T11:04:25Z
last-modified:  2020-12-16T13:17:06Z
source:         RIPE

role:           ACTIVE 24 Technical Department
address:        ACTIVE 24, s.r.o.
address:        Sokolovska 394
address:        186 00 Praha 8
address:        Czech Republic
phone:          +420234262011
fax-no:         +420234262009
e-mail:         noc@active24.cz
org:            ORG-GA5-RIPE
admin-c:        PS21041-RIPE
tech-c:         JD405-RIPE
tech-c:         PS21041-RIPE
nic-hdl:        ATD8-RIPE
notify:         noc@active24.cz
abuse-mailbox:  abuse@active24.cz
mnt-by:         MNT-ACTIVE24-CZ
created:        2005-05-27T15:26:54Z
last-modified:  2022-05-09T07:25:54Z
source:         RIPE

route:          31.15.8.0/21
descr:          CZ-ACTIVE24-NET2
origin:         AS25234
mnt-by:         MNT-ACTIVE24-CZ
created:        2011-04-28T08:11:37Z
last-modified:  2011-04-28T08:11:37Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 31.15.0.0/16

Range	ASN	Company	Num of IPs
31.15.128.0/17	AS3212	Telemach Slovenija d.o.o.	32,768
31.15.32.0/19	AS1257	Tele2 Sverige AB	8,192
31.15.80.0/20	AS8359	MTS PJSC	4,096
31.15.104.0/21	AS12703	Onyx Internet Ltd	2,048
31.15.64.0/21	AS31333	Hosting.de GmbH	2,048
31.15.24.0/21	AS41628	Alter Way SAS	2,048
31.15.96.0/21	AS51333	BALICATRADE SOCIETA' A RESPONSABILITA' LIMITATA SEMPLIFICATA	2,048
31.15.112.0/21	AS56704	Farice ehf	2,048
31.15.17.0/24	AS56971	CGI GLOBAL LIMITED	256
31.15.76.0/24	AS44513	IP address used for dynamic assignement to customer on Bitstream Ethernet	256
31.15.18.0/24	AS56971	CGI GLOBAL LIMITED	256
31.15.19.0/24	AS52000	Individual Entrepreneur Ildar Gilmutdinov	256
31.15.0.0/24	AS52468	One Network S.R.L.	256
31.15.22.0/24	AS215623	OOO LUGALINK	256
31.15.23.0/24	AS215623	OOO LUGALINK	256
31.15.21.0/24	AS215623	OOO LUGALINK	256
31.15.16.0/24	AS56971	CGI GLOBAL LIMITED	256
31.15.20.0/24	AS215623	OOO LUGALINK	256

Hosted domains

There are 60,490 domain names hosted across 518 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
31.15.10.30	tech-hub.hr	25680
31.15.10.25	uni-robot.dk	1935
31.15.10.171	prooffice.cz	1067
31.15.10.195	made-in-slovakia.com	912
31.15.10.193	beefandbeer.cz	794
31.15.10.150	suptel.cz	722
31.15.10.199	mystikavpraxi.cz	638
31.15.10.187	hotelkrakonos.info	623
31.15.10.200	kavarnahluk.cz	563
31.15.10.190	h7o.cz	514
31.15.10.176	figura.cz	494
31.15.10.180	twnews.cz	494
31.15.10.184	zvladnu.to	477
31.15.10.191	keramickestavby.cz	470
31.15.10.179	skimo.cz	442
31.15.10.170	permanent-by-romanova.com	422
31.15.10.175	dpb.cz	414
31.15.10.148	e-rezervace.cz	406
31.15.9.102	eritrean-embassy.se	405
31.15.10.156	mcribis.cz	359

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

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

IP Address	ASN	Details
31.15.13.31	AS25234 ACTIVE 24, s.r.o.	`0.34ms` from Prague, CZ
31.15.10.185	AS25234 ACTIVE 24, s.r.o.	`0.34ms` from Prague, CZ
31.15.14.13	AS25234 ACTIVE 24, s.r.o.	`0.34ms` from Prague, CZ
31.15.8.37	AS25234 ACTIVE 24, s.r.o.	`0.51ms` from Prague, CZ
31.15.12.160	AS25234 ACTIVE 24, s.r.o.	`0.33ms` from Prague, CZ
31.15.9.101	AS25234 ACTIVE 24, s.r.o.	`0.51ms` 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
220.192.71.197	AS4837 CHINA UNICOM China169 Backbone	`2.56ms` from Chongqing, CN
57.132.182.149	AS7459 Grande Communications Networks, LLC	`6.89ms` from Dallas, US
90.240.80.245	AS5378 Vodafone Limited	`5.07ms` from Edinburgh, GB
189.168.97.101	AS8151 UNINET	`5.13ms` from Guadalajara, MX
14.238.0.213	AS45899 VNPT Corp	`0.65ms` from Hanoi, VN
161.230.170.229	AS12353 Vodafone Portugal	`3.26ms` from Lisbon, PT
159.180.97.149	AS2856 British Telecommunications PLC	`4.57ms` from London, GB
13.70.185.117	AS8075 Microsoft Corporation	`0.51ms` from Melbourne, AU
108.27.234.101	AS701 Verizon Business	`2.48ms` from New York City, US
123.48.177.197	AS18126 Chubu Telecommunications Company, Inc.	`7.80ms` from Osaka, JP
125.11.179.85	AS9824 JCOM Co., Ltd.	`11.01ms` from Osaka, JP
76.103.235.21	AS7922 Comcast Cable Communications, LLC	`5.93ms` from San Jose, US
14.36.228.117	AS4766 Korea Telecom	`1.34ms` from Seoul, KR
115.4.26.165	AS4766 Korea Telecom	`1.48ms` from Seoul, KR
64.136.250.85	AS19653 CTS Communications Corp	`3.68ms` from Chicago, US
90.196.173.21	AS5607 Sky UK Limited	`11.42ms` from Erith, GB
185.238.219.213	AS210070 Hotsplots GmbH	`0.35ms` from Frankfurt am Main, DE
107.138.205.245	AS7018 AT&T Enterprises, LLC	`3.27ms` from Houston, US
31.145.48.101	AS15924 Vodafone Net Iletisim Hizmetler AS	`1.69ms` from Istanbul, TR
109.109.229.213	AS34920 Simply Romford	`1.78ms` from London, GB
185.18.16.101	AS51718 Hospedaje y Dominios S.L.	`0.56ms` from Madrid, ES
115.146.198.21	AS9299 Philippine Long Distance Telephone Company	`0.45ms` from Manila, PH
2.228.47.133	AS12874 Fastweb SpA	`1.10ms` from Milan, IT
195.170.41.69	AS8395 East Telecom Ltd.	`1.17ms` from Moscow, RU
144.232.177.37	AS174 Cogent Communications, LLC	`0.39ms` from New Orleans, US

Traceroute

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

traceroute -a -n -q1 -f2 31.15.14.24

traceroute to 31.15.14.24 (31.15.14.24): 64 hops max, 52 byte packets

2 [] 91.210.16.236 0.35 ms

3 [AS25234] 31.15.14.24 0.407 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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