AS number details

AS43542

OptoNet Communication, spol. s.r.o.  ·  optonet.cz

Czechia

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AS43542 – OptoNet Communication, spol. s.r.o.

Field Value
Country Czechia
Website optonet.cz
Hosted domains 2,459
Number of IPv4 8,192
Number of IPv6 79,228,162,514,264,337,593,543,950,336
ASN type ISP
Registry ripe
Allocated 18 years ago on Aug 20, 2007
Updated a year ago on Jun 07, 2024

IP Ranges

Netblock Company Num of IPs
78.156.128.0/19 OptoNet Communication, spol. s.r.o. 8,192
Netblock Company
2a00:d940::/32 OptoNet Communication, spol. s.r.o.
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WHOIS Details

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                                                ASHandle:       AS43542
                                                OrgID:          AS43542
                                                ASName:         AS43542
                                                ASNumber:       AS43542
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 2,459 domain names hosted across 56 IP addresses on this ASN.

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IP Address Domain Domains on this IP
78.156.158.199 ██████████ 1,080
78.156.158.194 ██████████ 401
78.156.158.200 ██████████ 324
78.156.158.75 █████████ 236
78.156.156.10 ██████████ 120
78.156.158.74 ██████████ 73
78.156.158.91 ██████████ 69
78.156.143.203 ██████████ 39
78.156.158.93 ██████████ 21
78.156.158.152 █████████ 19

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Peers

There are 33 peers for this ASN.

Peers Name
AS14840 BR.Digital Provider
AS16019 Vodafone Czech Republic a.s.
AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS198150 SIACOM JSC
AS202979 NGA Services, spol. s r.o.
AS207945 CNI Group s.r.o.
AS21215 UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd
AS212483 LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS22356 Durand do Brasil Ltda
AS24482 SG.GS
AS263444 Open X Tecnologia Ltda
AS29504 Freenet Liberec, z.s.
AS36236 NetActuate, Inc
AS39120 Convergenze S.p.A.
AS40994 Hohl IT e.U.
AS43733 Viva Armenia CJSC
AS44104 LCJ Invest, a.s.
AS44306 OMONIA d.o.o.
AS4455 IX Reach Ltd
AS47200 NIX.CZ z.s.p.o.
AS48091 Kraj Vysocina
AS49544 i3D.net B.V
AS51185 MainStreaming SpA
AS5405 Inter.link GmbH
AS57288 StaMPi, spol. s r.o.
AS57463 NetIX Communications JSC
AS6204 INTERKVM HOST SRL
AS6663 Euroweb Romania S.R.L.
AS6855 Slovak Telekom, a.s.
AS6881 NIX.CZ z.s.p.o.
AS6939 Hurricane Electric LLC
AS8218 Zayo Infrastructure France SA
AS9498 BHARTI Airtel Ltd.
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Upstreams

There are 3 upstreams for this ASN.

upstreams Name
AS16019 Vodafone Czech Republic a.s.
AS6855 Slovak Telekom, a.s.
AS6939 Hurricane Electric LLC
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Downstreams

There are 5 downstreams for this ASN.

Downstreams Name
AS202979 NGA Services, spol. s r.o.
AS207945 CNI Group s.r.o.
AS44104 LCJ Invest, a.s.
AS48091 Kraj Vysocina
AS57288 StaMPi, spol. s r.o.
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Pingable IPs

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

IP Address ASN Details
78.156.128.83 AS43542 OptoNet Communication, spol. s.r.o. 1.82ms from Prague, CZ
78.156.131.249 AS43542 OptoNet Communication, spol. s.r.o. 1.99ms from Prague, CZ
2a00:d940:3:2000::1 AS43542 OptoNet Communication, spol. s.r.o. 3.02ms from Prague, CZ
78.156.135.17 AS43542 OptoNet Communication, spol. s.r.o. 1.89ms from Prague, CZ
78.156.155.68 AS43542 OptoNet Communication, spol. s.r.o. 1.87ms from Prague, CZ
2a00:d940:0:b::3 AS43542 OptoNet Communication, spol. s.r.o. 1.85ms from Prague, CZ
78.156.147.130 AS43542 OptoNet Communication, spol. s.r.o. 1.99ms from Prague, CZ
78.156.143.100 AS43542 OptoNet Communication, spol. s.r.o. 1.91ms from Prague, CZ
78.156.159.246 AS43542 OptoNet Communication, spol. s.r.o. 1.83ms from Prague, CZ
78.156.129.225 AS43542 OptoNet Communication, spol. s.r.o. 2.72ms from Prague, CZ
78.156.150.121 AS43542 OptoNet Communication, spol. s.r.o. 2.71ms from Prague, CZ
78.156.156.13 AS43542 OptoNet Communication, spol. s.r.o. 1.88ms from Prague, CZ
78.156.144.1 AS43542 OptoNet Communication, spol. s.r.o. 2.73ms from Prague, CZ
78.156.158.189 AS43542 OptoNet Communication, spol. s.r.o. 1.88ms from Prague, CZ
78.156.130.97 AS43542 OptoNet Communication, spol. s.r.o. 2.71ms from Prague, CZ
78.156.154.1 AS43542 OptoNet Communication, spol. s.r.o. 7.07ms from Veseli nad Moravou, CZ
78.156.157.73 AS43542 OptoNet Communication, spol. s.r.o. 1.83ms from Prague, CZ
78.156.149.33 AS43542 OptoNet Communication, spol. s.r.o. 2.02ms from Prague, CZ
78.156.137.65 AS43542 OptoNet Communication, spol. s.r.o. 1.82ms from Prague, CZ
2a00:d940:2:4:5442:e852:43cd:5c40 AS43542 OptoNet Communication, spol. s.r.o. 4.38ms from Prague, CZ
78.156.152.19 AS43542 OptoNet Communication, spol. s.r.o. 2.39ms from Prague, CZ
78.156.133.108 AS43542 OptoNet Communication, spol. s.r.o. 1.77ms 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
50.120.189.38 AS5650 Frontier Communications of America, Inc. 13.52ms from Ashburn, US
103.10.97.102 AS18103 Neuviz Net 0.17ms from Bandung, ID
197.167.29.54 AS24863 Link Egypt (Link.NET) 11.86ms from Cairo, EG
171.211.123.22 AS4134 CHINANET-BACKBONE 4.21ms from Chengdu, CN
217.224.107.214 AS3320 Deutsche Telekom AG 2.09ms from Duesseldorf, DE
46.252.142.182 AS3209 Vodafone GmbH 3.70ms from Frankfurt am Main, DE
178.157.38.214 AS196755 Sewan Belgium SA 6.61ms from Gravelines, FR
75.45.51.166 AS7018 AT&T Enterprises, LLC 4.70ms from Houston, US
31.42.184.230 AS30860 Virtual Systems LLC 0.08ms from Kyiv, UA
42.56.158.6 AS4837 CHINA UNICOM China169 Backbone 6.57ms from Liaoyang, CN
79.32.24.182 AS3269 Telecom Italia S.p.A. 6.35ms from Milan, IT
174.89.215.214 AS577 Bell Canada 1.53ms from Montreal, CA
46.236.176.54 AS57044 JSC ER-Telecom Holding 8.63ms from Moscow, RU
197.248.113.134 AS37061 Safaricom Limited 7.19ms from Nairobi, KE
69.115.113.70 AS6128 Cablevision Systems Corp. 8.19ms from New York City, US
113.41.4.134 AS17506 ARTERIA Networks Corporation 8.37ms from Osaka, JP
54.173.24.6 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
76.102.118.246 AS7922 Comcast Cable Communications, LLC 6.46ms from Santa Clara, US
101.65.136.70 AS4837 CHINA UNICOM China169 Backbone 9.89ms from Shanghai, CN
69.46.160.22 AS21724 GOCO TECHNOLOGY LIMITED PARTNERSHIP 0.54ms from Toronto, CA
207.61.86.118 AS53564 Empire Life 4.29ms from Toronto, CA
223.205.115.54 AS45758 Triple T Broadband Public Company Limited 3.49ms from Bangkok, TH
208.115.218.166 AS46475 Limestone Networks, Inc. 0.17ms from Chicago, US
84.134.178.6 AS3320 Deutsche Telekom AG 2.56ms from Frankfurt am Main, DE
2.3.126.246 AS3215 Orange S.A. 19.01ms from Lyon, FR

Traceroute

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

$
traceroute -a -n -q1 -f3 78.156.158.185
traceroute to 78.156.158.185 (78.156.158.185): 64 hops max, 52 byte packets
3 [] 91.210.17.48 1.944 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 AS43542 at robtex.

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