Autonomous System details

AS203821

IT4 Polska Sp. z o.o.  ·  it4polska.pl

Poland

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AS203821 – IT4 Polska Sp. z o.o.

Field Value
Country Poland
Website it4polska.pl
Hosted domains 22
IPv4 addresses 768
IPv6 addresses 0
ASN type ISP
Registry ripe
Allocated 10 years ago on Oct 23, 2015
Updated 5 years ago on Nov 16, 2020

IP Ranges

Netblock Company Num of IPs
91.207.184.0/24 Sylwester Harasim 256
91.207.185.0/24 Sylwester Harasim 256
217.28.134.0/24 Enformatel Sp. z o.o. 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS203821
                                                OrgID:          AS203821
                                                ASName:         AS203821
                                                ASNumber:       AS203821
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 22 domain names hosted across 13 IP addresses on this ASN.

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IP Address Domain Domains on this IP
91.207.184.157 ██████████ 5
217.28.134.45 ██████████ 4
91.207.184.42 █████████ 2
217.28.134.1 ██████████ 2
91.207.184.152 ██████████ 1
91.207.185.19 ██████████ 1
91.207.184.35 ██████████ 1
91.207.184.77 ██████████ 1
217.28.134.76 ███████ 1
91.207.184.146 ████████ 1

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Peers

There are 6 peers for this ASN.

Peers Name
AS201054 Stowarzyszenie e-Poludnie
AS24482 SG.GS
AS36236 NetActuate, Inc
AS51465 FIXMAP GROUP
AS57608 DG-NET SA
AS62081 Stowarzyszenie e-Poludnie
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ASN API & Database

Upstreams

There are 3 upstreams for this ASN.

upstreams Name
AS51465 FIXMAP GROUP
AS57608 DG-NET SA
AS62081 Stowarzyszenie e-Poludnie
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
91.207.184.243 AS203821 IT4 Polska Sp. z o.o. 1.76ms from Warsaw, PL
91.207.185.237 AS203821 IT4 Polska Sp. z o.o. 2.12ms from Warsaw, PL
217.28.134.57 AS203821 IT4 Polska Sp. z o.o. 2.79ms 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
4.30.34.173 AS3356 Level 3 Parent, LLC 0.93ms from Ashburn, US
73.135.115.253 AS7922 Comcast Cable Communications, LLC 2.89ms from Ashburn, US
94.224.138.125 AS6848 Telenet BV 6.15ms from Brussels, BE
5.103.224.189 AS44869 FIBIA P/S 0.80ms from Copenhagen, DK
91.46.126.253 AS3320 Deutsche Telekom AG 6.23ms from Duesseldorf, DE
151.41.145.109 AS1267 WIND TRE S.P.A. 5.82ms from Milan, IT
2.234.171.189 AS12874 Fastweb SpA 8.31ms from Milan, IT
160.94.73.189 AS217 University of Minnesota 0.55ms from Minneapolis, US
174.112.227.93 AS812 Rogers Communications Canada Inc. 6.26ms from Montreal, CA
62.76.139.109 AS51578 Limited Liabillity Company 'IT-VEGA' 1.58ms from Moscow, RU
185.240.78.253 AS212238 Datacamp Limited 0.40ms from New York City, US
177.24.131.189 AS26599 TELEFÔNICA BRASIL S.A 4.51ms from Novo Hamburgo, BR
23.205.11.157 AS16625 Akamai Technologies, Inc. 0.93ms from Piscataway, US
18.210.200.173 AS14618 Amazon.com, Inc. 0.19ms from Reston, US
82.102.146.61 AS12400 Partner Communications Ltd. 0.52ms from Rosh Ha‘Ayin, IL
46.218.136.221 AS15557 Societe Francaise Du Radiotelephone - SFR SA 1.98ms from Saint-Denis, FR
177.184.109.61 AS262673 VERO S.A 11.80ms from Sao Paulo, BR
117.52.6.141 AS3786 LG DACOM Corporation 0.75ms from Seoul, KR
121.137.243.45 AS4766 Korea Telecom 1.54ms from Seoul, KR
121.5.246.29 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.47ms from Shanghai, CN
193.188.157.173 AS198008 Regeringskansliet 0.81ms from Stockholm, SE
104.210.81.61 AS8075 Microsoft Corporation 0.69ms from Sydney, AU
18.181.124.173 AS16509 Amazon.com, Inc. 0.19ms from Tokyo, JP
126.88.68.29 AS17676 SoftBank Corp. 3.10ms from Tokyo, JP
59.146.116.125 AS2527 Sony Network Communications Inc. 9.51ms from Tokyo, JP

Traceroute

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

$
traceroute -a -n -q1 -f2 217.28.134.39
traceroute to 217.28.134.39 (217.28.134.39): 64 hops max, 52 byte packets
3 *
Measurement taken from IPinfo ProbeNet in Warsaw, PL
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS203821 at robtex.

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