Autonomous System 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 2,422
IPv4 addresses 8,192
IPv6 addresses 79,228,162,514,264,337,593,543,950,336
ASN type ISP
Registry ripe
Allocated 18 years ago on Aug 20, 2007
Updated 2 years 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 2,422 domain names hosted across 58 IP addresses on this ASN.

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IP Address Domain Domains on this IP
78.156.158.199 ██████████ 1,012
78.156.158.200 ██████████ 406
78.156.158.194 ██████████ 369
78.156.158.75 █████████ 228
78.156.156.10 ██████████ 125
78.156.158.91 ██████████ 85
78.156.158.74 ██████████ 71
78.156.143.203 ██████████ 37
78.156.158.152 ██████████ 18
78.156.158.72 ██████████ 17

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Peers

There are 33 peers for this ASN.

Peers Name
AS14840 BR.Digital Telecom
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.
AS32590 Valve Corporation
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
AS51184 Fonira Telekom GmbH
AS53062 ALT | GRUPO BRASIL TECPAR
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 4 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
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Pingable IPs

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

IP Address ASN Details
2a00:d940:0:c::2 AS43542 OptoNet Communication, spol. s.r.o. 1.86ms from Prague, CZ
78.156.128.83 AS43542 OptoNet Communication, spol. s.r.o. 1.81ms from Prague, CZ
78.156.156.251 AS43542 OptoNet Communication, spol. s.r.o. 1.84ms from Prague, CZ
78.156.137.125 AS43542 OptoNet Communication, spol. s.r.o. 1.83ms from Prague, CZ
78.156.131.249 AS43542 OptoNet Communication, spol. s.r.o. 2.01ms from Prague, CZ
78.156.147.236 AS43542 OptoNet Communication, spol. s.r.o. 2.02ms from Prague, CZ
78.156.144.20 AS43542 OptoNet Communication, spol. s.r.o. 2.66ms from Prague, CZ
78.156.152.17 AS43542 OptoNet Communication, spol. s.r.o. 2.30ms from Prague, CZ
78.156.155.66 AS43542 OptoNet Communication, spol. s.r.o. 1.90ms from Prague, CZ
78.156.154.1 AS43542 OptoNet Communication, spol. s.r.o. 2.69ms from Prague, CZ
78.156.135.17 AS43542 OptoNet Communication, spol. s.r.o. 1.92ms from Prague, CZ
78.156.150.121 AS43542 OptoNet Communication, spol. s.r.o. 2.71ms from Prague, CZ
78.156.133.109 AS43542 OptoNet Communication, spol. s.r.o. 1.79ms from Prague, CZ
78.156.157.73 AS43542 OptoNet Communication, spol. s.r.o. 1.84ms from Prague, CZ
78.156.158.164 AS43542 OptoNet Communication, spol. s.r.o. 1.81ms from Prague, CZ
78.156.159.246 AS43542 OptoNet Communication, spol. s.r.o. 1.83ms from Prague, CZ
78.156.143.94 AS43542 OptoNet Communication, spol. s.r.o. 1.90ms from Prague, CZ
78.156.149.33 AS43542 OptoNet Communication, spol. s.r.o. 1.98ms from Prague, CZ
2a00:d940:3:2000::1 AS43542 OptoNet Communication, spol. s.r.o. 2.98ms 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
46.172.232.22 AS6752 Andorra Telecom 4.77ms from Barcelona, ES
50.193.94.230 AS7922 Comcast Cable Communications, LLC 5.54ms from Chicago, US
12.88.194.118 AS7018 AT&T Enterprises, LLC 5.70ms from Columbus, US
192.41.82.102 AS13767 DataBank Holdings, Ltd. 0.45ms from Draper, US
94.0.20.118 AS5607 Sky UK Limited 4.96ms from Erith, GB
113.183.97.214 AS45899 VNPT Corp 3.19ms from Hanoi, VN
118.243.26.150 AS4685 Asahi Net 3.50ms from Osaka, JP
123.139.181.134 AS4837 CHINA UNICOM China169 Backbone 8.26ms from Xi'an, CN
45.27.231.214 AS7018 AT&T Enterprises, LLC 9.13ms from Atlanta, US
96.252.61.118 AS701 Verizon Business 2.04ms from Boston, US
197.133.22.70 AS24835 Vodafone Data 12.73ms from Cairo, EG
12.231.109.230 AS7018 AT&T Enterprises, LLC 7.96ms from Chicago, US
24.12.15.86 AS7922 Comcast Cable Communications, LLC 5.67ms from Chicago, US
46.252.142.182 AS3209 Vodafone GmbH 4.76ms from Frankfurt am Main, DE
27.151.88.246 AS4134 CHINANET-BACKBONE 3.47ms from Fuzhou, CN
177.230.168.22 AS13999 Mega Cable, S.A. de C.V. 10.21ms from Guadalajara, MX
77.3.83.54 AS6805 Telefonica Germany GmbH & Co.OHG 1.04ms from Hamburg, DE
213.97.154.118 AS3352 TELEFONICA DE ESPANA S.A.U. 9.34ms from Madrid, ES
173.77.230.22 AS701 Verizon Business 2.13ms from New York City, US
187.121.16.198 AS19182 TELEFÔNICA BRASIL S.A 10.56ms from Osasco, BR
200.158.22.22 AS27699 TELEFÔNICA BRASIL S.A 1.46ms from Osasco, BR
96.64.64.118 AS7922 Comcast Cable Communications, LLC 7.89ms from Piscataway, US
109.188.141.134 AS31213 PJSC MegaFon 14.51ms from Saint Petersburg, RU
194.226.166.6 AS49505 JSC Selectel 1.04ms from Saint Petersburg, RU
97.191.24.70 AS6167 Verizon Business 14.14ms from San Jose, US

Traceroute

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

$
traceroute -a -n -q1 -f2 -m6 78.156.132.52
traceroute to 78.156.132.52 (78.156.132.52): 6 hops max, 52 byte packets
3 [AS9498] 125.19.50.17 2.046 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Mumbai, IN
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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