AS number 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 17
Number of IPv4 768
Number of IPv6 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
217.28.134.0/24 Enformatel Sp. z o.o. 256
91.207.184.0/24 Sylwester Harasim 256
91.207.185.0/24 Sylwester Harasim 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 17 domain names hosted across 11 IP addresses on this ASN.

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IP Address Domain Domains on this IP
217.28.134.45 ██████████ 4
91.207.184.157 ██████████ 3
91.207.184.42 █████████ 2
91.207.184.152 ██████████ 1
91.207.185.33 ██████████ 1
217.28.134.64 ████████ 1
91.207.184.77 ██████████ 1
91.207.184.146 ████████ 1
217.28.134.76 ███████ 1
217.28.134.1 ██████████ 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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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 ASN Database Download

Pingable IPs

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

IP Address ASN Details
91.207.185.237 AS203821 IT4 Polska Sp. z o.o. 2.40ms from Warsaw, PL
217.28.134.57 AS203821 IT4 Polska Sp. z o.o. 2.95ms from Warsaw, PL
91.207.184.244 AS203821 IT4 Polska Sp. z o.o. 2.07ms 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
24.96.35.221 AS12083 WideOpenWest Finance LLC 3.95ms from Atlanta, US
190.14.254.253 AS27951 Media Commerce Partners S.A 7.80ms from Bogota, CO
84.243.87.157 AS9050 Orange Romania S.A. 0.50ms from Bucharest, RO
156.214.208.173 AS8452 TE-AS 6.12ms from Cairo, EG
138.99.195.29 AS11835 NOVAFIBRA 2.38ms from Curitiba, BR
54.220.219.173 AS16509 Amazon.com, Inc. 0.29ms from Dublin, IE
79.200.64.173 AS3320 Deutsche Telekom AG 2.42ms from Duesseldorf, DE
46.201.152.237 AS6849 JSC "Ukrtelecom" 4.70ms from Kyiv, UA
119.54.63.45 AS4837 CHINA UNICOM China169 Backbone 11.51ms from Liaoyang, CN
63.201.103.109 AS7018 AT&T Enterprises, LLC 2.27ms from Los Angeles, US
73.88.233.237 AS7922 Comcast Cable Communications, LLC 6.54ms from Murfreesboro, US
36.34.139.237 AS4837 CHINA UNICOM China169 Backbone 11.31ms from Nanjing, CN
97.101.213.205 AS33363 Charter Communications, Inc 7.29ms from Orlando, US
152.231.110.13 AS27986 ENTEL CHILE S.A. 0.53ms from Santiago, CL
72.12.225.237 AS23175 PogoZone 2.31ms from Seattle, US
49.169.96.77 AS17858 LG POWERCOMM 1.86ms from Seoul, KR
52.76.30.173 AS16509 Amazon.com, Inc. 0.12ms from Singapore, SG
46.137.247.221 AS16509 Amazon.com, Inc. 0.17ms from Singapore, SG
82.173.173.93 AS13127 Odido Netherlands B.V. 17.02ms from Amsterdam, NL
198.38.57.93 AS54512 Chickamauga Telephone Corporation 3.49ms from Atlanta, US
178.41.165.157 AS6855 Slovak Telekom, a.s. 1.73ms from Bratislava, SK
191.177.61.77 AS28573 Claro NXT Telecomunicacoes Ltda 5.46ms from Curitiba, BR
101.96.91.253 AS24173 Netnam Company 0.85ms from Da Nang, VN
176.191.25.29 AS5410 Bouygues Telecom SA 6.14ms from Frankfurt am Main, DE
203.85.32.221 AS4058 CITIC Telecom International CPC Limited 1.25ms from Hong Kong, HK

Traceroute

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

$
traceroute -a -n -q1 -f8 217.28.134.34
traceroute to 217.28.134.34 (217.28.134.34): 64 hops max, 52 byte packets
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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