AS number details

AS43037

Seznam.cz, a.s.  ·  seznam.cz

Czechia

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AS43037 – Seznam.cz, a.s.

Field Value
Country Czechia
Website seznam.cz
Hosted domains 880
Number of IPv4 3,072
Number of IPv6 79,234,207,143,362,410,739,417,481,216
ASN type Business
Registry ripe
Allocated 18 years ago on May 29, 2007
Updated 8 years ago on Nov 15, 2017

IP Ranges

Netblock Company Num of IPs
185.66.188.0/22 Seznam.cz, a.s. 1,024
77.75.72.0/23 Seznam.cz 512
77.75.76.0/23 Seznam.cz 512
77.75.78.0/23 Seznam.cz 512
77.75.74.0/24 Seznam.cz 256
77.75.75.0/24 Seznam.cz 256
Netblock Company
2a02:598::/32 Seznam.cz, a.s.
2a02:598:2::/48 Seznam.cz, a.s.
2a02:598:3333::/48 Seznam.cz, a.s.
2a02:598:4444::/48 Seznam.cz, a.s.
2a02:598:a::/48 Seznam.cz, a.s.
2a02:598:b::/48 Seznam.cz, a.s.
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WHOIS Details

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                                                ASHandle:       AS43037
                                                OrgID:          AS43037
                                                ASName:         AS43037
                                                ASNumber:       AS43037
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 880 domain names hosted across 80 IP addresses on this ASN.

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IP Address Domain Domains on this IP
77.75.78.173 ██████████ 545
77.75.79.65 █████████ 159
77.75.77.222 █████████ 121
77.75.79.222 █████████ 105
77.75.76.191 ████████ 48
77.75.79.140 ██████████ 48
77.75.78.104 ██████████ 26
77.75.78.181 ██████████ 25
77.75.76.9 ██████████ 25
77.75.77.16 ███████ 23

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Peers

There are 137 peers for this ASN.

Peers Name
AS12552 GlobalConnect AB
AS12779 IT.Gate S.p.A.
AS12859 BIT BV
AS13058 serve-u - Buchholz und Suenderhauf GbR
AS132337 Axclusive
AS13237 euNetworks GmbH
AS137409 GSL Networks Pty LTD
AS14537 Continent 8 LLC
AS14630 Invesco Group Services, Inc.
AS14840 BR.Digital Provider
AS15547 netplus.ch SA
AS15802 Emirates Integrated Telecommunications Company PJSC
AS15943 wilhelm.tel GmbH
AS17639 Converge ICT Solutions Inc.
AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS18106 Viewqwest Pte Ltd
AS1828 Unitas Global
AS1836 green.ch AG
AS198150 SIACOM JSC
AS198385 AlpineDC SA
AS199524 G-Core Labs S.A.
AS199938 Netzwerge GmbH
AS200600 Seznam.cz datova centra, s.r.o.
AS20485 Joint Stock Company TransTeleCom
AS205112 PHILUNET GmbH
AS20562 Broadband Hosting B.V.
AS206356 Freifunk Essen e.V.
AS20764 CJSC RASCOM
AS20932 Services Industriels de Geneve
AS209823 Enki Multimedia EURL
AS210312 Antonios A. Chariton
AS210937 Xiufeng Guo
AS212483 LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS213151 Christian Elsen
AS213241 TECHIT.BE SRL
AS21412 UAB "Cgates"
AS24482 SG.GS
AS24889 Monzoon Networks AG
AS24961 WIIT AG
AS25091 IP-Max SA
AS25160 Vorboss Limited
AS25220 equada network GmbH
AS264409 GRUPO YAX
AS28716 Retelit Digital Services S.p.A.
AS28917 Fiord Networks, UAB
AS29049 Delta Telecom Ltd
AS29075 IELO Main Network
AS29140 Hostserver GmbH
AS29208 Quantcom, a.s.
AS29504 Freenet Liberec, z.s.
AS29632 Netassist International EOOD
AS29691 Nine Internet Solutions AG
AS30781 Free Pro SAS
AS30844 Liquid Telecommunications Ltd
AS31027 GlobalConnect A/S
AS31510 Innsbrucker Kommunalbetriebe AG
AS3212 Telemach Slovenija d.o.o.
AS3214 xTom GmbH
AS33891 Core-Backbone GmbH
AS34019 Hivane Association
AS34177 CELESTE SAS
AS34224 Neterra Ltd.
AS34288 Kantonsschule Zug
AS34549 meerfarbig GmbH & Co. KG
AS34927 iFog GmbH
AS35280 F5 Networks SARL
AS35360 Frederic Gargula
AS35598 INETCOM CARRIER LLC
AS35625 Eurofiber France SAS
AS35710 weber.digital GmbH
AS36236 NetActuate, Inc
AS36994 Vodacom
AS37100 SEACOM Limited
AS37468 Angola Cables
AS37721 Virtual Technologies & Solutions
AS38880 Micron21 Datacentre Pty Ltd
AS39120 Convergenze S.p.A.
AS39351 31173 Services AB
AS40994 Hohl IT e.U.
AS41327 Fiber Telecom S.p.A.
AS4230 CLARO S.A.
AS42541 Fiberby ApS
AS43733 Viva Armenia CJSC
AS4455 IX Reach Ltd
AS44901 Belcloud LTD
AS45352 IP ServerOne Solutions Sdn Bhd
AS45489 Sri Lanka Telecom PLC, GLobal Peering
AS47147 ANEXIA Internetdienstleistungs GmbH
AS47232 ISP Alliance a.s.
AS47692 Nessus GmbH
AS47734 Telecom IT Solutions SRL
AS47957 Worldline IGSA SA
AS48362 Stadtwerke Feldkirch
AS48858 JSC "ER-Telecom Holding"
AS48919 UACITY Ltd.
AS49544 i3D.net B.V
AS49605 Digital Telecommunication Services S.r.l.
AS50629 LWLcom GmbH
AS51184 Fonira Telekom GmbH
AS51185 MainStreaming SpA
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Upstreams

There are 3 upstreams for this ASN.

upstreams Name
AS29208 Quantcom, a.s.
AS5610 O2 Czech Republic, a.s.
AS6939 Hurricane Electric LLC
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Downstreams

There is 1 peer for this ASN.

Downstreams Name
AS200600 Seznam.cz datova centra, s.r.o.
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ASN API ASN Database Download

Pingable IPs

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

IP Address ASN Details
77.75.75.132 AS43037 Seznam.cz, a.s. 0.71ms from Prague, CZ
77.75.74.91 AS43037 Seznam.cz, a.s. 0.47ms from Prague, CZ
185.66.189.39 AS43037 Seznam.cz, a.s. 0.50ms from Prague, CZ
2a02:598:a::79:159 AS43037 Seznam.cz, a.s. 0.38ms from Prague, CZ
77.75.77.150 AS43037 Seznam.cz, a.s. 0.65ms from Prague, CZ
2a02:598:2::1049 AS43037 Seznam.cz, a.s. 0.66ms from Prague, CZ
77.75.79.208 AS43037 Seznam.cz, a.s. 0.37ms from Prague, CZ
77.75.78.174 AS43037 Seznam.cz, a.s. 0.37ms from Prague, CZ
77.75.76.9 AS43037 Seznam.cz, a.s. 0.66ms from Prague, CZ
2a02:598:4444::4 AS43037 Seznam.cz, a.s. 1.31ms from Prague, CZ
2a02:598:244::1305 AS43037 Seznam.cz, a.s. 0.81ms from Prague, CZ
185.66.188.241 AS43037 Seznam.cz, a.s. 0.60ms from Prague, CZ
2a02:598:6262:112::19 AS43037 Seznam.cz, a.s. 0.73ms from Prague, CZ
2a02:598:3333::3 AS43037 Seznam.cz, a.s. 0.43ms from Prague, CZ
2a02:598:103:12::23 AS43037 Seznam.cz, a.s. 1.16ms from Prague, CZ
2a02:598:c:189::60 AS43037 Seznam.cz, a.s. 0.67ms 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
98.241.123.205 AS7922 Comcast Cable Communications, LLC 1.14ms from Atlanta, US
111.33.114.189 AS38019 tianjin Mobile Communication Company Limited 7.57ms from Beijing, CN
170.223.46.13 AS40831 Mass General Brigham Incorporated 2.14ms from Boston, US
43.157.92.45 AS132203 Tencent Building, Kejizhongyi Avenue 0.36ms from Frankfurt am Main, DE
178.25.156.253 AS3209 Vodafone GmbH 3.46ms from Frankfurt am Main, DE
36.70.139.157 AS7713 PT Telekomunikasi Indonesia 2.02ms from Jakarta, ID
37.78.133.189 AS12389 PJSC Rostelecom 1.29ms from Krasnodar, RU
85.172.107.93 AS25490 PJSC Rostelecom 1.19ms from Krasnodar, RU
193.106.170.13 AS50427 Orion Telecom LLC 7.35ms from Krasnoyarsk, RU
124.94.147.237 AS4837 CHINA UNICOM China169 Backbone 7.16ms from Liaoyang, CN
86.170.239.157 AS2856 British Telecommunications PLC 2.33ms from London, GB
157.96.33.221 AS31727 Node4 Limited 0.51ms from London, GB
89.34.166.93 AS56478 Hyperoptic Ltd 1.20ms from London, GB
51.145.8.253 AS8075 Microsoft Corporation 0.17ms from London, GB
73.55.85.29 AS7922 Comcast Cable Communications, LLC 11.47ms from Miami, US
38.225.246.253 AS274726 Giga Speed Provedor de acessi a internet LTDA 6.45ms from Osasco, BR
181.73.206.77 AS6535 Telmex Servicios Empresariales S.A. 5.88ms from Santiago, CL
119.210.124.29 AS4766 Korea Telecom 1.44ms from Seoul, KR
211.215.235.61 AS9318 SK Broadband Co Ltd 3.39ms from Seoul, KR
112.23.146.141 AS56046 China Mobile communications corporation 3.95ms from Suzhou, CN
36.225.68.253 AS3462 Data Communication Business Group 1.08ms from Taipei, TW
35.230.28.29 AS396982 Google LLC 0.14ms from The Dalles, US
124.144.121.93 AS9824 JCOM Co., Ltd. 9.31ms from Tokyo, JP
86.106.22.13 AS41421 StarNet Telecom Sp. z o.o. 0.45ms from Warsaw, PL
212.254.27.189 AS12350 VTX Services SA 3.14ms from Zuerich, CH

Traceroute

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

$
traceroute -a -n -q1 -f3 185.66.188.29
traceroute to 185.66.188.29 (185.66.188.29): 64 hops max, 52 byte packets
3 [] 91.210.16.195 0.678 ms
4 *
5 *
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 AS43037 at robtex.

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