ASN Lookup Tool

Seznam.cz, a.s. seznam.cz CZ CZ 12 Routes

AS Data

AS43037

AS43037Seznam.cz, a.s.

AS Number 43037
AS Name SEZNAM-CZ
Organization Seznam.cz, a.s.(org-sa508-ripe)
Country CZ
Website seznam.cz
Number of IPv4 Routes 6
Number of IPv6 Routes 6
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2007-05-29

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Use ASN data for AS43037 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2a02:598:a::/48 ~1×10²⁴
77.75.76.0/23 512
2a02:598:b::/48 ~1×10²⁴
77.75.78.0/23 512
77.75.72.0/23 512
77.75.75.0/24 256
2a02:598:2::/48 ~1×10²⁴
2a02:598:4444::/48 ~1×10²⁴
77.75.74.0/24 256
2a02:598:3333::/48 ~1×10²⁴

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS42961 - AS43073'

as-block:       AS42961 - AS43073
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2023-12-11T15:09:58Z
last-modified:  2023-12-11T15:09:58Z
source:         RIPE

% Information related to 'AS43037'

% Abuse contact for 'AS43037' is 'abuse@seznam.cz'

aut-num:        AS43037
as-name:        SEZNAM-CZ
org:            ORG-Sa508-RIPE
import:         from AS9148 accept ANY
import:         from AS5610 accept ANY
export:         to AS9148 announce AS43037
export:         to AS5610 announce AS43037
export:         to AS5610 announce AS200600
admin-c:        SZN5-RIPE
tech-c:         SZN5-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SEZNAM-MNT
created:        2007-05-29T08:00:03Z
last-modified:  2017-11-15T09:48:45Z
source:         RIPE

organisation:   ORG-SA508-RIPE
org-name:       Seznam.cz, a.s.
country:        CZ
org-type:       LIR
address:        Radlicka 3294/10
address:        15000
address:        Prague 5
address:        CZECH REPUBLIC
phone:          +420234694111
fax-no:         +420234694115
admin-c:        PZ172-RIPE
admin-c:        FEIX-RIPE
abuse-c:        AD10910-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SEZNAM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SEZNAM-MNT
created:        2007-05-01T10:11:05Z
last-modified:  2020-12-16T12:39:31Z
source:         RIPE # Filtered

role:           Seznam.cz IT department
address:        Radlicka 3294/10 150 00 Prague 5 Czech Republic
phone:          +420 602 126 570
abuse-mailbox:  abuse@seznam.cz
admin-c:        PZ172-RIPE
tech-c:         SZN11-RIPE
tech-c:         SZN10-RIPE
nic-hdl:        SZN5-RIPE
mnt-by:         SEZNAM-MNT
created:        2007-05-06T15:50:27Z
last-modified:  2015-07-03T13:19:00Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)

Parsed Whois Response

Peers

AS Number Description Country
AS12552 GlobalConnect AB SE
AS40994 Hohl IT e.U. AT
AS213151 Christian Elsen DE
AS58057 Securebit AG CH
AS25220 equada network GmbH DE
AS6881 NIX.CZ z.s.p.o. CZ
AS20932 Service Telecom CH
AS39249 Netassist International EOOD BG
AS60602 Inovare-Prim SRL MD
AS38880 Micron21 Datacentre Pty Ltd AU

Upstreams

AS Number Description Country
AS7195 EDGEUNO S.A.S CO
AS39249 Netassist International EOOD BG
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS22356 Durand do Brasil Ltda BR
AS37468 Angola Cables AO
AS20764 CJSC RASCOM RU
AS24889 Monzoon Networks AG CH
AS12859 BIT BV NL

Downstreams

AS Number Description Country
AS200600 Seznam.cz datova centra, s.r.o. CZ

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Frequently Asked Questions

ASN AS43037 is an Autonomous System Number used to identify a network for BGP internet routing.
AS43037 is listed under Seznam.cz, a.s..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.