217.30.64.0/20

AS48574 · T-Mobile Czech Republic a.s.

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Summary

Country	Czechia
Domain	t-mobile.cz
ASN	AS48574
Registry	RIPE
ID	CZ-RADIOMOBIL-20081210

WHOIS Details

inetnum:        217.30.64.0 - 217.30.79.255
netname:        CZ-RADIOMOBIL-20081210
org:            ORG-Ra2-RIPE
country:        CZ
admin-c:        HR6606-RIPE
tech-c:         HR6606-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS13036-MNT
mnt-routes:     AS13036-MNT
notify:         [email protected]
mnt-lower:      AS13036-MNT
created:        2008-12-10T10:25:14Z
last-modified:  2024-06-26T10:26:50Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        HR6606-RIPE
abuse-org:      ORG-Ra2-RIPE

organisation:   ORG-Ra2-RIPE
org-name:       T-Mobile Czech Republic a.s.
country:        CZ
org-type:       LIR
address:        Tomickova 2144/1
address:        149 00
address:        Prague 4
address:        CZECH REPUBLIC
phone:          +420603603603
fax-no:         +420603603306
admin-c:        MD6013-RIPE
admin-c:        HR6606-RIPE
admin-c:        PS15737-RIPE
admin-c:        JH5327-RIPE
mnt-ref:        AS13036-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS13036-MNT
abuse-c:        HR6606-RIPE
created:        2004-04-17T11:04:49Z
last-modified:  2021-03-15T15:53:57Z
source:         RIPE
e-mail:         [email protected]
notify:         [email protected]

role:           Hostmaster T-Mobile Czech Republic
address:        T-Mobile Czech Republic a.s.
address:        Tomickova 2144/1
address:        Praha 4
address:        149 00
address:        Czech Republic
e-mail:         [email protected]
admin-c:        LB16056-RIPE
tech-c:         JH5327-RIPE
tech-c:         MD6013-RIPE
tech-c:         LB16056-RIPE
remarks:        --------------------------------------------------
remarks:        In any case of abuse, security or copyright issues
remarks:        please contact:
abuse-mailbox:  [email protected]
remarks:        --------------------------------------------------
notify:         [email protected]
nic-hdl:        HR6606-RIPE
mnt-by:         AS13036-MNT
created:        2002-05-16T17:17:48Z
last-modified:  2024-02-05T09:04:46Z
source:         RIPE

route:          217.30.64.0/20
descr:          RTR-PLANET-A-64-79
origin:         AS48574
mnt-by:         MNT-CZ-PLANET-A
created:        2009-01-22T16:20:51Z
last-modified:  2016-05-31T13:57:20Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 217.30.0.0/16

Range	ASN	Company	Num of IPs
217.30.128.0/19	AS12741	Netia SA	8,192
217.30.160.0/20	AS39032	IST TELEKOM JV LLC	4,096
217.30.224.0/20	AS20686	Bisping & Bisping GmbH & Co KG	4,096
217.30.112.0/20	AS12703	Pulsant (Scotland) Ltd	4,096
217.30.176.0/20	AS29422	Telia Cygate Oy	4,096
217.30.192.0/20	AS49223	EVEREST TV AND RADIO COMPANY LLC	4,096
217.30.240.0/20	AS29125	PJSC Vimpelcom	4,096
217.30.48.0/20	AS29145	Centaur GmbH	4,096
217.30.8.0/22	AS56630	Melbikomas UAB	1,024
217.30.0.0/22	AS39657	Wifi-Solution S.r.l.	1,024
217.30.4.0/22	AS197099	Multinet24 Sp.zoo	1,024
217.30.17.0/24	AS201004	Global Telephone & Telecommunication S.A. (GT&T)	256
217.30.159.0/24	AS24985	Kaczmarski Inkasso	256
217.30.88.0/24	AS29403	VeriSign Inc.	256
217.30.12.0/24	AS39064	Arab Satellite Communications Organization	256
217.30.13.0/24	AS39064	Arab Satellite Communications Organization	256
217.30.2.0/24	AS39657	Comeser S.r.l.	256
217.30.3.0/24	AS39657	Comeser S.r.l.	256
217.30.14.0/24	AS48137	Arab Satellite Communications Organization	256
217.30.15.0/24	AS48137	Arab Satellite Communications Organization	256
217.30.80.0/24	AS7342	VeriSign Inc.	256
217.30.81.0/24	AS7342	VeriSign Inc.	256
217.30.82.0/24	AS7342	VeriSign Inc.	256
217.30.83.0/24	AS7342	VeriSign Inc.	256
217.30.84.0/24	AS7342	VeriSign Inc.	256
217.30.85.0/24	AS7342	VeriSign Inc.	256
217.30.87.0/24	AS7342	VeriSign Inc.	256
217.30.92.0/24	AS7342	VeriSign Inc.	256
217.30.94.0/24	AS7342	VeriSign Inc.	256
217.30.95.0/24	AS7342	VeriSign Inc.	256
217.30.102.0/24	AS15892	prefix7	256
217.30.105.0/24	AS15892	prefix10	256
217.30.107.0/24	AS15892	prefix12	256
217.30.109.0/24	AS15892	prefix14	256
217.30.110.0/24	AS15892	prefix15	256
217.30.111.0/24	AS15892	prefix16	256
217.30.96.0/24	AS15892	prefix1	256
217.30.97.0/24	AS15892	prefix2	256
217.30.98.0/24	AS15892	prefix3	256
217.30.99.0/24	AS15892	prefix4	256
217.30.16.0/24	AS201004	Global Telephone & Telecommunication S.A. (GT&T)	256

Hosted domains

There are 126 domain names hosted across 55 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
217.30.78.194	web4.cz	23
217.30.69.83	bookmaker.cz	16
217.30.67.43	zotto.cz	8
217.30.72.246	martinfejes.cz	7
217.30.72.35	mudry.eu	5
217.30.70.204	lemurovo.fun	5
217.30.78.90	finance4you.cz	5
217.30.74.66	slavia-korean-insurance.cz	3
217.30.75.98	prochazkovi-svatba.cz	2
217.30.78.110	adrenaline-zone.cz	2
217.30.75.4	batonilimoni.com	2
217.30.68.9	chz.cz	2
217.30.72.146	kukenc.eu	2
217.30.79.173	jmhvino.eu	2
217.30.66.2	kopacka.es	2
217.30.71.150	wrynn.cz	1
217.30.64.61	planet-a.cz	1
217.30.74.6	ucasoft.com	1
217.30.73.8	is-it.cz	1
217.30.71.17	rishko.eu	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

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

IP Address	ASN	Details
217.30.65.245	AS48574 T-Mobile Czech Republic a.s.	`0.50ms` from Prague, CZ
217.30.68.133	AS48574 T-Mobile Czech Republic a.s.	`0.62ms` from Prague, CZ
217.30.78.249	AS48574 T-Mobile Czech Republic a.s.	`0.55ms` from Prague, CZ
217.30.72.81	AS48574 T-Mobile Czech Republic a.s.	`0.68ms` from Prague, CZ
217.30.66.217	AS48574 T-Mobile Czech Republic a.s.	`0.58ms` from Prague, CZ
217.30.71.65	AS48574 T-Mobile Czech Republic a.s.	`0.58ms` from Prague, CZ
217.30.69.129	AS48574 T-Mobile Czech Republic a.s.	`0.86ms` from Prague, CZ
217.30.73.81	AS48574 T-Mobile Czech Republic a.s.	`0.63ms` from Prague, CZ
217.30.67.170	AS48574 T-Mobile Czech Republic a.s.	`0.55ms` from Prague, CZ
217.30.70.113	AS48574 T-Mobile Czech Republic a.s.	`0.55ms` from Prague, CZ
217.30.79.1	AS48574 T-Mobile Czech Republic a.s.	`0.54ms` from Prague, CZ
217.30.75.193	AS48574 T-Mobile Czech Republic a.s.	`0.64ms` from Prague, CZ
217.30.77.241	AS48574 T-Mobile Czech Republic a.s.	`0.62ms` from Prague, CZ
217.30.76.161	AS48574 T-Mobile Czech Republic a.s.	`0.71ms` from Prague, CZ
217.30.64.53	AS48574 T-Mobile Czech Republic a.s.	`0.55ms` from Prague, CZ
217.30.74.33	AS48574 T-Mobile Czech Republic a.s.	`0.66ms` 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
85.152.52.212	AS12946 R Cable y Telecable Telecomunicaciones, S.A.U.	`10.34ms` from A Coruna, ES
83.60.67.116	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.69ms` from Madrid, ES
47.201.64.84	AS5650 Frontier Communications of America, Inc.	`7.14ms` from Miami, US
153.203.41.4	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.77ms` from Osaka, JP
95.245.181.180	AS3269 Telecom Italia S.p.A.	`4.87ms` from Rome, IT
76.158.59.148	AS7922 Comcast Cable Communications, LLC	`7.11ms` from San Jose, US
196.51.84.180	AS400463 DynaNode LLC	`0.61ms` from Seattle, US
47.102.17.180	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`3.11ms` from Shanghai, CN
121.7.103.100	AS9506 Singtel Fibre Broadband	`0.99ms` from Singapore, SG
188.24.112.212	AS8708 DIGI ROMANIA S.A.	`6.50ms` from Timisoara, RO
2.178.150.116	AS58224 Iran Telecommunication Company PJS	`15.76ms` from Yerevan, AM
163.61.17.100	AS137385 Saddam Hossain t/a Asian Network	`0.61ms` from Dhaka, BD
162.38.191.100	AS2200 Renater	`3.31ms` from Marseille, FR
212.185.212.132	AS3320 Deutsche Telekom AG	`5.99ms` from Nuernberg, DE
71.47.139.244	AS33363 Charter Communications, Inc	`9.48ms` from Orlando, US
52.156.115.68	AS8075 Microsoft Corporation	`0.29ms` from Quincy, US
123.205.62.36	AS18049 Taiwan Infrastructure Network Technologie	`4.04ms` from Taipei, TW
120.137.250.4	AS10010 TOKAI Communications Corporation	`14.43ms` from Tokyo, JP
216.176.60.4	AS3561 CenturyLink Communications, LLC	`1.71ms` from Toronto, CA
93.114.180.84	AS44854 Arend Brouwer	`0.18ms` from Amsterdam, NL
104.139.110.228	AS11426 Charter Communications Inc	`7.19ms` from Charlotte, US
34.247.217.68	AS16509 Amazon.com, Inc.	`0.34ms` from Dublin, IE
20.67.207.132	AS8075 Microsoft Corporation	`0.14ms` from Dublin, IE
79.221.136.20	AS3320 Deutsche Telekom AG	`3.84ms` from Frankfurt am Main, DE
95.117.176.68	AS6805 Telefonica Germany GmbH & Co.OHG	`10.50ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 -f2 217.30.78.249

traceroute to 217.30.78.249 (217.30.78.249): 64 hops max, 52 byte packets

2 [AS1299] 62.115.160.1 0.951 ms

3 [AS1299] 62.115.32.255 0.835 ms

4 [AS13036] 195.39.88.43 0.525 ms

5 [AS48574] 217.30.78.249 0.647 ms

Measurement taken from

IPinfo ProbeNet in Prague, CZ

On December 28th 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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