28725 CETIN-AS - CETIN a.s., CZ
Adjacency: 31 Upstream: 2 Downstream: 29
Upstream Adjacent AS list
AS174 COGENT-174 - Cogent Communications, LLC, US
AS1299 TWELVE99 - Arelion Sweden AB, SE
Downstream Adjacent AS list
AS205619 ASVESNET - Jiri Chalabala, CZ
AS35613 NETDATACOMM - FASTER CZ spol. s r.o., CZ
AS203365 OPTETNETWORK - Optet network, s. r. o., CZ
AS24641 FASTER-AS - FASTER CZ spol. s r.o., CZ
AS35046 OMEGAPLUS-AS - OMEGA plus Chrudim s.r.o., CZ
AS196849 ASBARTYSOVA - MO BYRTUS s.r.o., CZ
AS198248 ASCSERVIS - Richard Filip, CZ
AS204351 NAM - NAM system, a.s., CZ
AS206177 sitepark - SitePark s.r.o., CZ
AS209947 mwifi - M-wifi internet s.r.o., CZ
AS206438 MXNET-AS - MX-NET Telekomunikace s.r.o., CZ
AS203645 RYZNAR-AS - Jan Ryznar, CZ
AS198346 NETFORMS-AS - NETFORMS s.r.o., CZ
AS212975 TEAMCITY-AS - TeamCity s.r.o., CZ
AS213559 asmybv1 - MyOffice, s.r.o., CZ
AS50784 intraweb - Intraweb servis s.r.o., CZ
AS48364 ACVYSKOV-AS - Radim Pytela trading as AC Vyskov, CZ
AS51420 CYRILEK-AS - cyrilek.net z.s., CZ
AS51382 COMANET-NETWORK - Ing. Leos Janouch, CZ
AS212859 KronosNet - KXCOMM s.r.o., CZ
AS197565 ASDIGISERVICE - NHK Solutions s.r.o., CZ
AS57288 ASSTAMPI - StaMPi, spol. s r.o., CZ
AS56566 SATT-AS - SATT a.s., CZ
AS56427 ASHRADIL - Michal Hradil, CZ
AS52029 ASNOVOSEDLY - Palanet s.r.o., CZ
AS57560 ASXLNET - XLNET s.r.o., CZ
AS57825 MoravanyNET-AS - MoravanyNET s.r.o., CZ
AS57294 Internet_Expert_CZ - Internet Expert s.r.o., CZ
AS196952 ASBEZVANET - BEZVANET s.r.o., CZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 1035 AS28725 ORG+TRN Originate: 265472 /13.98 Transit: 63488 /16.05 CETIN-AS - CETIN a.s., 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 % 16311 AS28725 CETIN-AS - CETIN a.s., CZ 9 2 0 7 2 22.22% Prefix AS Path Aggregation Suggestion 80.78.150.0/24 4777 2516 1299 28725 85.162.0.0/15 4777 2516 1299 28725 85.162.0.0/16 4777 2516 1299 28725 - Withdrawn - matching aggregate 85.162.0.0/15 4777 2516 1299 28725 85.163.0.0/16 4777 2516 1299 28725 - Withdrawn - matching aggregate 85.162.0.0/15 4777 2516 1299 28725 136.238.226.0/24 4777 2516 1299 28725 185.218.92.0/23 4777 2516 1299 28725 194.50.64.0/22 4777 2516 1299 28725 194.147.12.0/22 4777 2516 1299 28725 212.96.180.0/24 4777 2516 1299 28725
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS28725 6 More Specifics 9 Total Advertisements CETIN-AS - CETIN a.s., CZ
80.78.150.0/24 80.78.144.0/20
85.162.0.0/16 85.162.0.0/15
85.163.0.0/16 85.162.0.0/15
136.238.226.0/24 136.238.0.0/16
185.218.92.0/23 185.218.92.0/22
212.96.180.0/24 212.96.160.0/19
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 212.96.180.0/24 Announced
whois: 402609
IANA has recorded AS28725 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS28725\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 'AS28699 - AS28912'
as-block: AS28699 - AS28912
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: 2018-11-22T15:27:31Z
last-modified: 2018-11-22T15:27:31Z
source: RIPE
% Information related to 'AS28725'
% Abuse contact for 'AS28725' is 'abuse@cetin.cz'
aut-num: AS28725
as-name: CETIN-AS
org: ORG-EPss1-RIPE
admin-c: CTN100-RIPE
tech-c: CTN100-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CETIN-MNT
created: 2003-02-10T09:01:35Z
last-modified: 2020-03-24T14:41:10Z
source: RIPE
export-via: AS6777 to AS-ANY announce AS-CETIN
import-via: AS6777 from AS-ANY accept ANY
organisation: ORG-EPss1-RIPE
org-name: CETIN a.s.
country: CZ
reg-nr: 04084063
org-type: LIR
address: Ceskomoravska 2510/19
address: 190 00
address: Prague 9
address: CZECH REPUBLIC
phone: +420 238 461 111
admin-c: VP999999-RIPE
admin-c: MM999999-RIPE
abuse-c: CTN100-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CETIN-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CETIN-MNT
created: 2004-04-17T11:04:20Z
last-modified: 2026-05-13T07:22:19Z
source: RIPE # Filtered
role: CETIN hostmaster
org: ORG-EPss1-RIPE
address: CETIN a.s.
address: Ceskomoravska 2510/19
address: 190 00 Praha 9
address: Czech Republic
nic-hdl: CTN100-RIPE
mnt-by: CETIN-MNT
abuse-mailbox: abuse@cetin.cz
phone: +420 238 461 111
created: 2015-07-21T07:05:48Z
last-modified: 2020-01-14T08:41:43Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)