25192 CZNIC-AS - CZ.NIC, z.s.p.o., CZ
Adjacency: 7 Upstream: 6 Downstream: 1
Upstream Adjacent AS list
AS40528 ICANN-LAX - ICANN, US
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS7575 AARNET-AS-AP - Australian Academic and Research Network (AARNet), AU
AS396356 LATITUDE-SH - Latitude.sh, US
AS1299 TWELVE99 - Arelion Sweden AB, SE
AS12570 ITSELF - O2 Czech Republic, a.s., CZ
Downstream Adjacent AS list
AS20701 CZNIC-AS3 - CZ.NIC, z.s.p.o., CZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 13575 AS25192 ORG+TRN Originate: 6144 /19.42 Transit: 512 /23.00 CZNIC-AS - CZ.NIC, z.s.p.o., CZ
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 36824 AS25192 CZNIC-AS - CZ.NIC, z.s.p.o., CZ 6 0 0 6 0 0.00% Prefix AS Path Aggregation Suggestion 185.43.132.0/22 4608 1221 4637 6461 25192 185.43.134.0/24 4608 7575 396356 25192 193.29.206.0/24 4608 7575 396356 25192 194.0.12.0/24 4608 7575 25192 194.0.13.0/24 4777 2497 1299 25192 217.31.192.0/20 4777 2516 1299 25192
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS25192 1 More Specifics 6 Total Advertisements CZNIC-AS - CZ.NIC, z.s.p.o., CZ
185.43.134.0/24 185.43.132.0/22
whois: 402603
IANA has recorded AS25192 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS25192\n % 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.
% Information related to 'AS25164 - AS25249'
as-block: AS25164 - AS25249
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: 2018-11-22T15:27:30Z
last-modified: 2018-11-22T15:27:30Z
source: RIPE
% Information related to 'AS25192'
% Abuse contact for 'AS25192' is 'abuse@nic.cz'
aut-num: AS25192
as-name: CZNIC-AS
org: ORG-Cz1-RIPE
admin-c: CZ-RIPE
tech-c: CZ-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
remarks:
remarks: ----------------------------------------------------------------------
remarks: TRANSIT IMPORT
mp-import: afi any.unicast from AS25192:AS-TRANSIT accept ANY
remarks:
remarks: EXCHANGE POINTS IMPORT
mp-import: afi any.unicast from AS25192:AS-IX accept ANY
remarks:
remarks: CUSTOMERS IMPORT
mp-import: afi any.unicast from AS25192:AS-CUSTOMERS accept PeerAS
remarks: ----------------------------------------------------------------------
remarks:
remarks: ----------------------------------------------------------------------
remarks: TRANSIT EXPORT
mp-export: afi any.unicast to AS25192:AS-TRANSIT announce AS-CZNIC-TRANSIT
remarks:
remarks: EXCHANGE POINTS EXPORT
mp-export: afi any.unicast to AS25192:AS-IX announce AS-CZNIC
remarks:
remarks: CUSTOMERS EXPORT
mp-export: afi any.unicast to AS25192:AS-CUSTOMERS announce ANY
remarks: ----------------------------------------------------------------------
remarks:
mnt-by: CZ-NIC-MNT
created: 2002-08-28T09:25:35Z
last-modified: 2017-11-15T09:19:53Z
source: RIPE
organisation: ORG-Cz1-RIPE
org-name: CZ.NIC, z.s.p.o.
country: CZ
reg-nr: 67985726
org-type: LIR
address: Milesovska 5
address: 13000
address: Praha 3
address: CZECH REPUBLIC
phone: +420222745111
fax-no: +420222745112
admin-c: MP12962-RIPE
admin-c: JARA
admin-c: OF156-RIPE
mnt-ref: CZ-NIC-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CZ-NIC-MNT
abuse-c: CZ-RIPE
created: 2004-04-17T11:04:42Z
last-modified: 2026-05-13T07:30:28Z
source: RIPE # Filtered
role: Top level domain .CZ Operations
address: CZ.NIC, z.s.p.o.
address: Milesovska 5
address: Praha 3
address: 130 00
address: The Czech Republic
phone: +420 222 745 111
fax-no: +420 222 745 112
abuse-mailbox: abuse@nic.cz
admin-c: OF156-RIPE
tech-c: MP12962-RIPE
tech-c: JARA
nic-hdl: CZ-RIPE
mnt-by: CZ-NIC-MNT
created: 2003-05-16T20:14:31Z
last-modified: 2025-10-10T09:03:19Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)