91.207.185.0/24

AS203821 · IT4 Polska Sp. z o.o.

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Summary

Country	Poland
Domain	it4polska.pl
ASN	AS203821
Registry	RIPE
ID	IT4POLSKA-PL

WHOIS Details

inetnum:        91.207.184.0 - 91.207.185.255
netname:        it4polska-pl
country:        PL
org:            ORG-IP17-RIPE
admin-c:        PS8804-RIPE
tech-c:         SH68-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NETIA-MNT
mnt-by:         IT4POLSKA-MNT
mnt-by:         DGNET-MNT
mnt-by:         lir-pl-enformatel-1-MNT
mnt-routes:     NETIA-MNT
mnt-routes:     IT4POLSKA-MNT
mnt-routes:     DGNET-MNT
mnt-domains:    NETIA-MNT
mnt-domains:    IT4POLSKA-MNT
mnt-domains:    DGNET-MNT
created:        2008-10-30T16:37:00Z
last-modified:  2024-06-11T07:26:14Z
source:         RIPE
sponsoring-org: ORG-ESZO66-RIPE
abuse-email:    abuse@inetia.pl
abuse-c:        AR24781-RIPE
abuse-org:      ORG-ESZO66-RIPE

organisation:   ORG-IP17-RIPE
org-name:       Sylwester Harasim
country:        PL
org-type:       OTHER
address:        ul. 11 Listopada 24/12
address:        Wyszkow
address:        POLAND
phone:          +48505134111
e-mail:         biuro@it4polska.pl
abuse-c:        AR24781-RIPE
admin-c:        PS8804-RIPE
tech-c:         SH68-RIPE
mnt-ref:        NETIA-MNT
mnt-ref:        lir-pl-enformatel-1-MNT
mnt-by:         NETIA-MNT
mnt-by:         lir-pl-enformatel-1-MNT
mnt-by:         IT4POLSKA-MNT
created:        2008-10-29T12:31:12Z
last-modified:  2024-06-11T07:26:14Z
source:         RIPE

person:         Pawel Sieradz
address:        11 Listopada 24/12
address:        07-200 Wyszkow
address:        Poland
phone:          +48509408203
e-mail:         p.sieradz@it4polska.pl
nic-hdl:        PS8804-RIPE
mnt-by:         NETIA-MNT
mnt-by:         IT4POLSKA-MNT
created:        2008-10-29T12:24:57Z
last-modified:  2012-12-13T12:46:40Z
source:         RIPE

person:         Sylwester Harasim
address:        11 Listopada 24/12
address:        07-200 Wyszkow
address:        Poland
phone:          +48509408203
e-mail:         s.harasim@it4polska.pl
nic-hdl:        SH68-RIPE
mnt-by:         NETIA-MNT
mnt-by:         IT4POLSKA-MNT
created:        2008-10-29T12:25:28Z
last-modified:  2012-12-05T00:01:09Z
source:         RIPE

route:          91.207.184.0/23
descr:          NETIA
descr:          Netia SA
descr:          Poleczki 13
descr:          02-822 Warszawa
descr:          Poland
origin:         AS12741
mnt-by:         NETIA-MNT
created:        2012-03-28T11:07:55Z
last-modified:  2014-10-29T07:18:11Z
source:         RIPE

route:          91.207.184.0/23
descr:          IT4 Polska
origin:         AS12968
mnt-by:         NETIA-MNT
mnt-by:         NETIA-MNT
mnt-by:         NETIA-MNT
created:        2008-11-03T11:10:26Z
last-modified:  2016-03-14T09:31:55Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 91.207.0.0/16

Range	ASN	Company	Num of IPs
91.207.132.0/23	AS48143	Mirantis IT LLC	512
91.207.148.0/23	AS48311	I-BS.PL Sp. z.o.o.	512
91.207.82.0/23	AS48058	Far-Eastern Distribution Company JSC.	512
91.207.122.0/23	AS48127	LLC Caprate Partners	512
91.207.136.0/23	AS48176	MTS PJSC	512
91.207.160.0/23	AS48242	Macromex SRL	512
91.207.66.0/23	AS48019	Terra-Telecom LLC	512
91.207.10.0/23	AS48047	Lukasz Chrustek Krakowskie Centrum Przetwarzania Danych	512
91.207.90.0/23	AS48068	VISONIC LIMITED	512
91.207.126.0/23	AS48119	Firma Handlowo - Uslugowa MultiFOX	512
91.207.86.0/23	AS197311	LLC YUGTELSET	512
91.207.142.0/23	AS48160	OTK LLC	512
91.207.232.0/23	AS12859	Van Wanrooij & Klerks Enterprises B.V.	512
91.207.156.0/23	AS48208	Narodowe Archiwum Cyfrowe	512
91.207.62.0/23	AS48015	NAFTNA INDUSTRIJA SRBIJE A.D.	512
91.207.74.0/23	AS205431	HostLab LLC	512
91.207.76.0/23	AS48041	Ekaterinburg-Signal Ltd.	512
91.207.42.0/23	AS12714	PJSC MegaFon	512
91.207.104.0/23	AS201041	Obltelecom LLC	512
91.207.58.0/23	AS48061	Limited Liability Company GPM Digital Technologies	512
91.207.88.0/23	AS48081	TeleRadioCompany GOK LTD	512
91.207.112.0/23	AS48093	Webland AB	512
91.207.32.0/23	AS203644	EG Danmark A/S	512
91.207.176.0/23	AS211073	Office National des Forets	512
91.207.162.0/23	AS21150	Atos IT Services GmbH	512
91.207.108.0/23	AS204161	Alexey Geiner	512
91.207.48.0/23	AS24578	Slaski Inkubator Przedsiebiorczosci Sp. z o.o.	512
91.207.20.0/23	AS24711	Collecte Localisation Satellites SAS	512
91.207.198.0/23	AS24865	SMOTI Enterprises Inc	512
91.207.130.0/23	AS25581	GMG AG	512
91.207.214.0/23	AS205206	Netsite A/S	512
91.207.226.0/23	AS199900	Bedriftssystemer AS	512
91.207.170.0/23	AS29124	Iskratelecom JSC	512
91.207.150.0/23	AS3242	Interlogica S.R.L	512
91.207.186.0/23	AS33868	INEA sp. z o.o.	512
91.207.64.0/23	AS13000	Agencja Pro Media Krzysztof Turek	512
91.207.254.0/23	AS34177	NUXIT SAS	512
91.207.146.0/23	AS35816	Scientific-Industrial Enterprise Myst LLC	512
91.207.190.0/23	AS39251	NETGUARD LLC	512
91.207.50.0/23	AS39537	Penguin Internet Ltd	512
91.207.28.0/23	AS39819	Optima Telecom Ltd.	512
91.207.44.0/23	AS41550	First Ukrainian Internet Registrar LLC	512
91.207.224.0/23	AS196638	JSC Promtelecom	512
91.207.14.0/23	AS42656	Allegro sp. z o.o.	512
91.207.228.0/23	AS43337	SB service og LollandsNet	512
91.207.220.0/23	AS20860	IOMART GROUP PLC	512
91.207.194.0/23	AS47567	PJSC Bank for Investments and Savings	512
91.207.22.0/23	AS47948	24sata doo	512
91.207.54.0/23	AS48010	OLIMP-KONSALT Ltd	512
91.207.140.0/23	AS48312	PJSC ALROSA	512

Hosted domains

There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
91.207.185.33	darevil.pl	1
91.207.185.19	it4polska.com	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

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

IP Address	ASN	Details
91.207.185.237	AS203821 IT4 Polska Sp. z o.o.	`2.35ms` from Warsaw, PL

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
39.106.6.216	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.03ms` from Beijing, CN
76.152.39.120	AS7922 Comcast Cable Communications, LLC	`6.36ms` from Boston, US
199.27.134.232	AS13335 Cloudflare, Inc.	`11.11ms` from Chicago, US
219.223.254.136	AS4538 China Education and Research Network Center	`7.08ms` from Guangzhou, CN
201.157.236.8	AS52871 TASCOM TELECOMUNICAÇÕES LTDA	`15.05ms` from Joao Pessoa, BR
13.42.53.104	AS16509 Amazon.com, Inc.	`0.67ms` from London, GB
86.13.185.88	AS5089 Virgin Media Limited	`6.04ms` from London, GB
104.180.168.40	AS7018 AT&T Enterprises, LLC	`1.39ms` from Los Angeles, US
76.134.155.72	AS7922 Comcast Cable Communications, LLC	`11.62ms` from Miami, US
94.137.90.216	AS208969 Biterika Group LLC	`1.18ms` from Minsk, BY
108.189.95.40	AS33363 Charter Communications, Inc	`9.95ms` from Orlando, US
86.219.105.152	AS3215 Orange S.A.	`9.18ms` from Paris, FR
176.129.218.24	AS5410 Bouygues Telecom SA	`8.81ms` from Paris, FR
27.196.156.168	AS4837 CHINA UNICOM China169 Backbone	`7.54ms` from Qingdao, CN
3.107.140.152	AS16509 Amazon.com, Inc.	`0.16ms` from Sydney, AU
142.114.250.216	AS577 Bell Canada	`3.06ms` from Toronto, CA
145.24.159.104	AS1103 SURF B.V.	`2.33ms` from Amsterdam, NL
38.54.104.216	AS138915 Kaopu Cloud HK Limited	`0.27ms` from Ashburn, US
68.186.193.200	AS20115 Charter Communications LLC	`9.02ms` from Atlanta, US
193.105.179.200	AS215656 Servatica Technologies, S.L.	`0.02ms` from Barcelona, ES
76.132.237.152	AS7922 Comcast Cable Communications, LLC	`10.36ms` from Fremont, US
123.31.159.104	AS45899 VNPT Corp	`4.88ms` from Ho Chi Minh City, VN
122.162.206.72	AS24560 Bharti Airtel Ltd., Telemedia Services	`1.84ms` from Hyderabad, IN
45.63.103.136	AS20473 The Constant Company, LLC	`0.11ms` from London, GB
97.182.87.216	AS6167 Verizon Business	`16.86ms` from Los Angeles, US

Traceroute

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

traceroute -a -n -q1 -f7 91.207.185.237

traceroute to 91.207.185.237 (91.207.185.237): 64 hops max, 52 byte packets

7 [AS203821] 91.207.185.237 2.372 ms

Measurement taken from

IPinfo ProbeNet in Warsaw, PL

On January 30th 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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