198605 AVAST-AS-DC - AVAST Software s.r.o., CZ
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS5610 O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ
AS3257 GTT-BACKBONE - GTT Communications Inc., US
AS29208 QUANTCOM-AS - Quantcom, a.s., CZ
AS3356 LEVEL3 - Level 3 Parent, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 13859 AS198605 ORIGIN Originate: 6144 /19.42 Transit: 0 /0.00 AVAST-AS-DC - AVAST Software s.r.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 % 11027 AS198605 AVAST-AS-DC - AVAST Software s.r.o., CZ 21 6 2 17 4 19.05% Prefix AS Path Aggregation Suggestion 5.45.58.0/23 4608 7575 3356 198605 + Announce - aggregate of 5.45.58.0/24 (4608 7575 3356 198605) and 5.45.59.0/24 (4608 7575 3356 198605) 5.45.58.0/24 4608 7575 3356 198605 - Withdrawn - aggregated with 5.45.59.0/24 (4608 7575 3356 198605) 5.45.59.0/24 4608 7575 3356 198605 - Withdrawn - aggregated with 5.45.58.0/24 (4608 7575 3356 198605) 5.62.36.0/23 4608 7575 3356 198605 5.62.54.0/24 4608 7575 3356 198605 5.62.60.0/23 4608 7575 3356 198605 37.156.187.0/24 4608 7575 3356 198605 69.94.64.0/24 4608 7575 3356 198605 69.94.70.0/24 4608 7575 3356 198605 69.94.71.0/24 4777 2516 3257 29208 198605 69.94.74.0/23 4608 7575 3356 198605 69.94.74.0/24 4608 7575 3356 198605 - Withdrawn - matching aggregate 69.94.74.0/23 4608 7575 3356 198605 69.94.75.0/24 4608 7575 3356 198605 - Withdrawn - matching aggregate 69.94.74.0/23 4608 7575 3356 198605 77.234.40.0/24 4608 7575 3356 198605 91.213.143.0/24 4608 7575 3356 198605 166.98.8.0/24 4777 2516 3257 198605 166.98.10.0/24 4777 2516 3257 29208 198605 166.98.11.0/24 4777 2516 1299 5610 198605 185.189.92.0/24 4608 7575 3356 198605 185.189.94.0/23 4608 7575 3356 198605 + Announce - aggregate of 185.189.94.0/24 (4608 7575 3356 198605) and 185.189.95.0/24 (4608 7575 3356 198605) 185.189.94.0/24 4608 7575 3356 198605 - Withdrawn - aggregated with 185.189.95.0/24 (4608 7575 3356 198605) 185.189.95.0/24 4608 7575 3356 198605 - Withdrawn - aggregated with 185.189.94.0/24 (4608 7575 3356 198605) 195.74.76.0/24 4608 7575 3356 198605
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS198605 19 More Specifics 21 Total Advertisements AVAST-AS-DC - AVAST Software s.r.o., CZ
5.45.58.0/24 5.45.56.0/21
5.45.59.0/24 5.45.56.0/21
5.62.36.0/23 5.62.0.0/18
5.62.54.0/24 5.62.0.0/18
5.62.60.0/23 5.62.0.0/18
37.156.187.0/24 37.156.184.0/22
69.94.64.0/24 69.94.64.0/20
69.94.70.0/24 69.94.64.0/20
69.94.71.0/24 69.94.64.0/20
69.94.74.0/23 69.94.64.0/20
69.94.74.0/24 69.94.64.0/20
69.94.75.0/24 69.94.64.0/20
77.234.40.0/24 77.234.40.0/21
166.98.8.0/24 166.98.0.0/16
166.98.10.0/24 166.98.0.0/16
166.98.11.0/24 166.98.0.0/16
185.189.92.0/24 185.189.92.0/22
185.189.94.0/24 185.189.92.0/22
185.189.95.0/24 185.189.92.0/22
whois: 402603
IANA has recorded AS198605 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS198605\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 'AS198305 - AS199072'
as-block: AS198305 - AS199072
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: 2026-02-18T10:24:00Z
last-modified: 2026-02-18T10:24:00Z
source: RIPE
% Information related to 'AS198605'
% Abuse contact for 'AS198605' is 'abuse@avast.com'
aut-num: AS198605
as-name: AVAST-AS-DC
org: ORG-ASa95-RIPE
remarks: Czech Republic / www.avast.com
descr: Gen Digital dba as Avast
import: from AS2819 accept ANY
import: from AS3356 accept ANY
import: from AS14745 accept ANY
import: from AS2819 accept ANY
import: from AS12182 accept ANY
export: to AS2819 announce AS198605
export: to AS3356 announce AS198605
export: to AS14745 announce AS198605
export: to AS174 announce AS198605
export: to AS12182 announce AS198605
admin-c: PC4833-RIPE
tech-c: PC4833-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ASW-MNT
created: 2012-03-21T15:12:16Z
last-modified: 2023-05-31T14:40:50Z
source: RIPE # Filtered
organisation: ORG-ASa95-RIPE
org-name: AVAST Software s.r.o.
country: CZ
reg-nr: 02176475
org-type: LIR
address: Pikrtova 1737/1a
address: 14000
address: Praha 4
address: CZECH REPUBLIC
phone: +420731504666
fax-no: +420274005777
admin-c: PC4833-RIPE
abuse-c: ASW
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: ASW-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: ASW-MNT
created: 2012-03-15T16:36:16Z
last-modified: 2026-05-13T07:34:07Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)