199803 ComSource - ComSource s.r.o., CZ
Adjacency: 11 Upstream: 2 Downstream: 9
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS1299 TWELVE99 - Arelion Sweden AB, SE
Downstream Adjacent AS list
AS206142 InternetTV - Internet TV, Inc., US
AS25234 ACTIVE24-AS - ACTIVE 24, s.r.o., CZ
AS205233 AS_KBCGROUP_CSOBCZ - KBC GLOBAL SERVICES NV, BE
AS206591 ALZACZ-AS - Alza.cz a.s., CZ
AS35236 AS35236 - UVT Internet s.r.o., CZ
AS35592 COOLHOUSING-AS - COOLHOUSING-AS, CZ
AS29405 VNET-AS - VNET a.s., SK
AS39790 WEB4U - Web4U s.r.o., CZ
AS51013 WEBSUPPORT-SRO-SK-AS - WebSupport s.r.o., SK
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 31190 AS199803 ORG+TRN Originate: 1536 /21.42 Transit: 30976 /17.08 ComSource - ComSource 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 % 60391 AS199803 ComSource - ComSource s.r.o., CZ 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 185.45.200.0/22 4608 7575 3356 199803 185.138.108.0/23 4608 7575 3356 199803
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS199803 1 More Specifics 2 Total Advertisements ComSource - ComSource s.r.o., CZ
185.138.108.0/23 185.138.108.0/22
whois: 402613
IANA has recorded AS199803 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS199803\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 'AS199178 - AS200350'
as-block: AS199178 - AS200350
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: 2025-11-24T15:16:53Z
last-modified: 2025-11-24T15:16:53Z
source: RIPE
% Information related to 'AS199803'
% Abuse contact for 'AS199803' is 'hostmaster@comsource.cz'
aut-num: AS199803
as-name: ComSource
org: ORG-CS265-RIPE
import: from AS-NIXCZ-CLIENTS accept AS-NIXCZ-CLIENTS
import: from AS-NIXSK-RSCLIENTS accept AS-NIXSK-RSCLIENTS
import: from AS33891 accept ANY
import: from AS3257 accept ANY
import: from AS197284 accept ANY
import: from AS201730 accept AS-CZ-DS
import: from AS25234 accept ANY
import: from AS51013 accept ANY
import: from AS35236 accept ANY
import: from AS50825 accept ANY
import: from AS35592 accept ANY
import: from AS206142 accept ANY
import: from AS1299 accept ANY
import: from AS205233 accept ANY
export: to AS-NIXCZ-CLIENTS announce AS-COMSOURCE
export: to AS-NIXSK-RSCLIENTS announce AS-COMSOURCE
export: to AS33891 announce AS-COMSOURCE
export: to AS3257 announce AS-COMSOURCE
export: to AS197284 announce AS-COMSOURCE
export: to AS201730 announce AS-COMSOURCE
export: to AS25234 announce AS-COMSOURCE
export: to AS35236 announce AS-COMSOURCE
export: to AS50825 announce AS-COMSOURCE
export: to AS35592 announce AS-COMSOURCE
export: to AS206142 announce AS-COMSOURCE
export: to AS1299 announce AS-COMSOURCE
export: to AS51013 announce AS-COMSOURCE
admin-c: AK19798-RIPE
tech-c: AK19798-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: mnt-comsource
created: 2014-01-21T11:22:52Z
last-modified: 2022-07-27T10:45:44Z
source: RIPE # Filtered
organisation: ORG-CS265-RIPE
org-name: ComSource s.r.o.
country: CZ
reg-nr: 29059291
org-type: LIR
address: Nad Vrsovskou horou 1423/10
address: 10100
address: Prague 10
address: CZECH REPUBLIC
phone: +420226801700
abuse-c: COMS-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: mnt-comsource
mnt-by: RIPE-NCC-HM-MNT
mnt-by: mnt-comsource
created: 2014-01-20T11:11:57Z
last-modified: 2026-05-13T07:35:12Z
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 (BUSA)