91.201.20.0/22

AS44546  ·  ALFA TELECOM s.r.o.

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Summary

Country unknown
Domain alfatelecom.cz
ASN AS44546
Registry RIPE
ID CZ-ALFATELECOM-20080123

WHOIS Details

inetnum:        91.201.20.0 - 91.201.23.255
netname:        CZ-ALFATELECOM-20080123
geofeed:        https://ip-as.com/geofeed.csv
country:        CZ
country:        EU
country:        NL
country:        UA
country:        RU
country:        KZ
country:        KG
country:        MD
org:            ORG-ATS13-RIPE
admin-c:        IP-AS
tech-c:         IP-AS
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RIPE-DB-MNT
created:        2008-01-23T15:13:57Z
last-modified:  2023-05-16T13:37:56Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        ATCZ-RIPE
abuse-org:      ORG-ATS13-RIPE

organisation:   ORG-ATS13-RIPE
org-name:       ALFA TELECOM s.r.o.
country:        CZ
org-type:       LIR
address:        Kloknerova 2249/9
address:        148 00
address:        Praha 4
address:        CZECH REPUBLIC
phone:          +420226020360
fax-no:         +420226020360
e-mail:         [email protected]
admin-c:        ATCZ-RIPE
tech-c:         ATCZ-RIPE
abuse-c:        ATCZ-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        RIPE-DB-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RIPE-DB-MNT
created:        2007-11-23T12:44:30Z
last-modified:  2023-05-03T14:26:22Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        ATCZ-RIPE
abuse-org:      undefined

role:           IP-AS.COM Team
address:        Kloknerova 2249/9, Prague, Czech Republic
e-mail:         [email protected]
nic-hdl:        IP-AS
abuse-mailbox:  [email protected]
mnt-by:         RIPE-DB-MNT
created:        2016-11-28T13:09:13Z
last-modified:  2025-11-13T09:33:49Z
source:         RIPE

route:          91.201.20.0/22
descr:          IP-AS.COM
origin:         AS44546
mnt-by:         RIPE-DB-MNT
created:        2008-02-05T13:38:05Z
last-modified:  2022-07-01T09:37:59Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 91.201.0.0/16

Range ASN Company Num of IPs
91.201.176.0/22 AS196638 JSC Promtelecom 1,024
91.201.240.0/22 AS31725 ISP Shtorm LTD 1,024
91.201.244.0/22 AS31725 FOP Makarenko Konstantin Anatolievich 1,024
91.201.184.0/22 AS34121 RUSAL MANAGEMENT JSC 1,024
91.201.44.0/22 AS199201 SPI-NET Norbert Nowicki 1,024
91.201.76.0/22 AS34714 OPTICNET-SERV S.R.L. 1,024
91.201.232.0/22 AS59577 LinkCom Networks LLC 1,024
91.201.40.0/22 AS210079 Internet-Hosting Ltd 1,024
91.201.0.0/22 AS12714 PJSC MegaFon 1,024
91.201.120.0/22 AS35007 Miconet Sp. z o.o. 1,024
91.201.224.0/22 AS20539 Technical Centre Radio Systems Ltd. 1,024
91.201.88.0/22 AS199494 ETTH Bartosz Bachowski 1,024
91.201.68.0/22 AS15377 TRADITIONAL LLC 1,024
91.201.164.0/22 AS39637 Netlogics Network 1,024
91.201.36.0/22 AS41600 Synchron Ltd. 1,024
91.201.48.0/22 AS42827 OOO Kolpinskie Internet-Seti 1,024
91.201.252.0/22 AS42916 IT Ltd. 1,024
91.201.96.0/22 AS201141 JSC Insurance Company Aldagi 1,024
91.201.4.0/22 AS208800 G42 CLOUD TECHNOLOGY L.L.C. 1,024
91.201.124.0/22 AS208864 Multifiber B.V. 1,024
91.201.12.0/22 AS44105 LF Dati SIA 1,024
91.201.60.0/22 AS44136 ODERLAND Webbhotell AB 1,024
91.201.100.0/22 AS44177 INBW Infrastruktur und Netzwerk Baden-Wuertemberg GmbH 1,024
91.201.132.0/22 AS44278 GRANACABLE S.L 1,024
91.201.136.0/22 AS44287 JP Elektromreza Srbije Beograd 1,024
91.201.144.0/22 AS44318 KOLUMBUS PE 1,024
91.201.180.0/22 AS44383 KP CIC Kharkov 1,024
91.201.188.0/22 AS44411 Limited Liability Company EKSI-LTD 1,024
91.201.228.0/22 AS44484 X-Trim Ltd. 1,024
91.201.216.0/22 AS209851 Hyper Cloud Solutions LLP 1,024
91.201.160.0/22 AS24916 Carrier Grade NAT (CG NAT) pool - please provide port information in any law enforcement requests 1,024
91.201.148.0/22 AS49113 Cablotel is operating a DOCSIS CATV network in CH-Jura 1,024
91.201.56.0/22 AS51395 Datasource AG 1,024
91.201.64.0/22 AS56630 Melbikomas UAB 1,024
91.201.152.0/22 AS25070 Comarch S.A. 1,024
91.201.16.0/22 AS57476 P.P.H.U A&K Chamerlinscy s.j. 1,024
91.201.84.0/23 AS34944 Russian Federation, Saint-Petersburg 512
91.201.202.0/23 AS197684 DeRoy LLC. 512
91.201.214.0/23 AS48716 PS Internet Company LLP 512
91.201.171.0/24 AS8447 iTaurus IT Dienstleistungs GmbH 256
91.201.87.0/24 AS15083 MB EISINA 256
91.201.239.0/24 AS200622 GPM Reklama LLC 256
91.201.96.0/24 AS201141 JSC Insurance Company Aldagi 256
91.201.97.0/24 AS201141 JSC Insurance Company Aldagi 256
91.201.98.0/24 AS201141 JSC Insurance Company Aldagi 256
91.201.99.0/24 AS201141 JSC Insurance Company Aldagi 256
91.201.107.0/24 AS203020 truview LLC 256
91.201.25.0/24 AS204601 Zomro B.V. 256
91.201.32.0/24 AS205234 Brnenske komunikace a.s. 256

Hosted domains

There are 9 domain names hosted across 7 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
91.201.22.228 onroll.cz 2
91.201.21.61 alfatelecom.cz 2
91.201.23.35 tehovaci.cz 1
91.201.20.101 gnan.cz 1
91.201.20.194 ca-gaudium.cz 1
91.201.23.122 pravnipomoc24.cz 1
91.201.20.193 svjopletalova10.cz 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

Pingable IPs

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

IP Address ASN Details
91.201.21.52 AS44546 ALFA TELECOM s.r.o. 0.81ms from Prague, CZ
91.201.20.158 AS44546 ALFA TELECOM s.r.o. 0.39ms from Prague, CZ
91.201.23.209 AS44546 ALFA TELECOM s.r.o. 0.31ms from Prague, CZ
91.201.22.94 AS44546 ALFA TELECOM s.r.o. 0.36ms 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
93.156.38.102 AS12946 R Cable y Telecable Telecomunicaciones, S.A.U. 11.89ms from A Coruna, ES
172.8.74.150 AS7018 AT&T Enterprises, LLC 6.37ms from Atlanta, US
124.64.216.150 AS4808 China Unicom Beijing Province Network 3.87ms from Beijing, CN
106.197.74.102 AS45609 Bharti Airtel Ltd. AS for GPRS Service 0.18ms from Chennai, IN
223.159.98.54 AS4134 CHINANET-BACKBONE 2.50ms from Chenzhou, CN
93.176.74.166 AS31027 GlobalConnect A/S 0.31ms from Copenhagen, DK
80.164.36.134 AS3292 TDC Holding A/S 1.80ms from Copenhagen, DK
179.185.190.70 AS18881 TELEFÔNICA BRASIL S.A 9.45ms from Fortaleza, BR
171.224.2.22 AS7552 Viettel Group 1.37ms from Hanoi, VN
211.222.128.198 AS4766 Korea Telecom 0.85ms from Incheon, KR
85.13.192.54 AS31708 Coreix Ltd 0.68ms from London, GB
163.1.89.6 AS786 Jisc Services Limited 3.25ms from London, GB
212.23.224.70 AS8220 COLT Technology Services Group Limited 0.25ms from Madrid, ES
185.185.216.118 AS204007 Kleissner Investments s.r.o. 0.98ms from Prague, CZ
35.173.94.182 AS14618 Amazon.com, Inc. 0.21ms from Reston, US
81.126.9.198 AS3269 Telecom Italia S.p.A. 3.90ms from Rome, IT
59.19.131.70 AS4766 Korea Telecom 6.67ms from Seoul, KR
222.125.236.166 AS17962 ShenZhen Topway Video Communication Co. Ltd 4.03ms from Shenzhen, CN
16.16.158.54 AS16509 Amazon.com, Inc. 0.13ms from Stockholm, SE
124.251.118.6 AS9308 Abitcool(China) Inc. 2.46ms from Tianjin, CN
104.25.139.86 AS13335 Cloudflare, Inc. 0.10ms from Wrocław, PL
128.160.98.38 AS668 United States Department of Defense (DoD) 0.56ms from Atlanta, US
142.93.214.230 AS14061 DigitalOcean, LLC 0.28ms from Bengaluru, IN
81.245.53.150 AS5432 Proximus NV 1.12ms from Brussels, BE
198.160.0.6 AS62445 ADA TEL SERVICES SRL 12.33ms from Bucharest, RO

Traceroute

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

$
traceroute -a -n -q1 -f2 91.201.22.206
traceroute to 91.201.22.206 (91.201.22.206): 64 hops max, 52 byte packets
2 [] 91.210.16.187 0.403 ms
Measurement taken from IPinfo ProbeNet in Prague, CZ
On

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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