Autonomous System details

AS51800

FIBER Network s.r.o.  ·  fiber.cz

Czechia

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AS51800 – FIBER Network s.r.o.

Field Value
Country Czechia
Website fiber.cz
Hosted domains 38
IPv4 addresses 2,048
IPv6 addresses 79,228,162,514,264,338,000,000,000,000
ASN type ISP
Registry ripe
Allocated 15 years ago on Nov 05, 2010
Updated 6 years ago on Mar 27, 2020

IP Ranges

Netblock Company Num of IPs
217.28.80.0/21 FIBER Networks customers 2,048
Netblock Company
2a02:28a8::/32 FIBER Network s.r.o.
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WHOIS Details

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                                                ASHandle:       AS51800
                                                OrgID:          AS51800
                                                ASName:         AS51800
                                                ASNumber:       AS51800
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 38 domain names hosted across 16 IP addresses on this ASN.

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IP Address Domain Domains on this IP
217.28.81.68 ██████████ 7
217.28.81.67 ██████████ 7
217.28.82.23 ██████ 6
217.28.80.23 ██████████ 4
217.28.80.2 ██████████ 3
217.28.82.9 ██████████ 1
217.28.84.38 ███████ 1
217.28.82.70 ██████████ 1
217.28.84.6 █████████ 1
217.28.84.5 █████████ 1

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Peers

There are 24 peers for this ASN.

Peers Name
AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS198150 SIACOM JSC
AS212483 LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS24482 SG.GS
AS24940 Hetzner Online GmbH
AS263444 Open X Tecnologia Ltda
AS29504 Freenet Liberec, z.s.
AS32590 Valve Corporation
AS36236 NetActuate, Inc
AS39120 Convergenze S.p.A.
AS40994 Hohl IT e.U.
AS42000 Futruy s.r.o.
AS43733 Viva Armenia CJSC
AS4455 IX Reach Ltd
AS47200 NIX.CZ z.s.p.o.
AS49025 PRO-ZETA a.s.
AS49544 i3D.net B.V
AS51184 Fonira Telekom GmbH
AS51400 SPOJE.NET s.r.o.
AS6204 INTERKVM HOST SRL
AS6663 Euroweb Romania S.R.L.
AS6881 NIX.CZ z.s.p.o.
AS6939 Hurricane Electric LLC
AS8218 Zayo Infrastructure France SA
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS49025 PRO-ZETA a.s.
AS51400 SPOJE.NET s.r.o.
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Downstreams

There is 1 peer for this ASN.

Downstreams Name
AS51400 SPOJE.NET s.r.o.
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ASN API & Database

Pingable IPs

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

IP Address ASN Details
217.28.82.69 AS51800 FIBER Network s.r.o. 0.49ms from Prague, CZ
217.28.80.46 AS51800 FIBER Network s.r.o. 0.28ms from Prague, CZ
2a02:28a8:ffff:3801::1 AS51800 FIBER Network s.r.o. 0.43ms from Prague, CZ
2a02:28a8:416::38 AS51800 FIBER Network s.r.o. 0.67ms from Prague, CZ
217.28.81.157 AS51800 FIBER Network s.r.o. 0.34ms from Prague, CZ
217.28.84.73 AS51800 FIBER Network s.r.o. 0.37ms from Prague, CZ
2a02:28a8:f1c:3181::1 AS51800 FIBER Network s.r.o. 0.72ms from Prague, CZ
2a02:28a8:0:501::2 AS51800 FIBER Network s.r.o. 0.33ms 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
15.248.41.136 AS16509 Amazon.com, Inc. 0.49ms from Boardman, US
222.212.219.152 AS4134 CHINANET-BACKBONE 4.40ms from Chengdu, CN
75.81.86.168 AS11427 Charter Communications Inc 18.48ms from Dallas, US
173.217.164.136 AS19108 Optimum 17.02ms from Dallas, US
18.153.136.88 AS16509 Amazon.com, Inc. 0.17ms from Frankfurt am Main, DE
67.151.126.136 AS7029 Windstream Communications LLC 1.23ms from Miami, US
98.61.105.56 AS7922 Comcast Cable Communications, LLC 2.75ms from Minneapolis, US
60.130.35.200 AS17676 SoftBank Corp. 4.01ms from Osaka, JP
95.108.71.216 AS43118 East & West Sp. z o.o. 1.55ms from Poznan, PL
147.46.103.24 AS9488 Seoul National University 0.79ms from Seoul, KR
95.107.249.184 AS47394 Albanian Satellite Communications sh.p.k. 1.26ms from Tirana, AL
178.43.75.104 AS5617 Orange Polska Spolka Akcyjna 4.83ms from Warsaw, PL
190.207.57.216 AS8048 CANTV Servicios, Venezuela 10.08ms from Willemstad, CW
216.150.206.8 AS14881 The Neiman Marcus Group LLC 1.09ms from Dallas, US
99.86.122.88 AS16509 Amazon.com, Inc. 0.08ms from Hamburg, DE
1.31.11.152 AS4837 CHINA UNICOM China169 Backbone 13.19ms from Hohhot, CN
46.63.43.88 AS51784 X-City Ltd. 0.82ms from Khmelnytskyi, UA
176.37.27.40 AS39608 Lanet Network Ltd 0.43ms from Kyiv, UA
83.46.227.104 AS3352 TELEFONICA DE ESPANA S.A.U. 8.48ms from Madrid, ES
47.203.229.216 AS5650 Frontier Communications of America, Inc. 5.82ms from Miami, US
180.146.135.104 AS17511 OPTAGE Inc. 2.16ms from Osaka, JP
67.188.68.152 AS7922 Comcast Cable Communications, LLC 2.69ms from San Jose, US
221.152.21.216 AS4766 Korea Telecom 6.20ms from Seoul, KR
4.216.67.8 AS8075 Microsoft Corporation 0.57ms from Tokyo, JP
91.21.230.8 AS3320 Deutsche Telekom AG 2.35ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f3 217.28.82.56
traceroute to 217.28.82.56 (217.28.82.56): 64 hops max, 52 byte packets
3 [] 91.210.16.91 0.466 ms
4 *
5 *
6 [AS51800] 217.28.82.56 0.537 ms
Measurement taken from IPinfo ProbeNet in Prague, CZ
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 AS51800 at robtex.

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