21430 WIA-AS - WIA spol. s.r.o., CZ
Adjacency: 9 Upstream: 2 Downstream: 7
Upstream Adjacent AS list
AS3491 PCCWG-APAC-HK - PCCW Global (HK) Ltd., HK
AS1299 TWELVE99 - Arelion Sweden AB, SE
Downstream Adjacent AS list
AS39761 ABAK - ABAK, Co.Ltd., CZ
AS209369 TCPRO - The Cloud Provider s.r.o., CZ
AS48451 PRE-AS - Prazska energetika, a.s., CZ
AS42189 EUROSIGNAL-AS - Druzstvo EUROSIGNAL, CZ
AS15614 Dragon - Dragon Internet a.s., CZ
AS203376 MAILKIT - Mailkit s.r.o., CZ
AS33943 CBEZDRAT-AS - Eri Internet s.r.o., CZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4712 AS21430 ORG+TRN Originate: 41472 /16.66 Transit: 25088 /17.39 WIA-AS - WIA spol. 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 % 35840 AS21430 WIA-AS - WIA spol. s.r.o., CZ 65 0 0 65 0 0.00% Prefix AS Path Aggregation Suggestion 31.7.240.0/21 4608 7575 3491 21430 77.78.64.0/22 4608 7575 3491 21430 77.78.68.0/23 4608 7575 3491 21430 77.78.74.0/23 4608 7575 3491 21430 77.78.80.0/21 4608 7575 3491 21430 77.78.88.0/23 4608 7575 3491 21430 77.78.91.0/24 4608 7575 3491 21430 77.78.92.0/23 4608 7575 3491 21430 77.78.122.0/24 4608 7575 3491 21430 80.250.0.0/19 4608 7575 3491 21430 81.0.196.0/23 4608 7575 3491 21430 81.0.198.0/24 4608 7575 3491 21430 81.0.200.0/22 4608 7575 3491 21430 81.0.204.0/23 4608 7575 3491 21430 81.0.210.0/23 4608 7575 3491 21430 81.0.215.0/24 4608 7575 3491 21430 81.0.216.0/24 4608 7575 3491 21430 81.0.222.0/23 4608 7575 3491 21430 81.0.224.0/24 4608 7575 3491 21430 81.0.227.0/24 4608 7575 3491 21430 81.0.229.0/24 4608 7575 3491 21430 81.0.244.0/23 4608 7575 3491 21430 81.0.251.0/24 4608 7575 3491 21430 81.0.252.0/23 4608 7575 3491 21430 82.208.0.0/22 4608 7575 3491 21430 82.208.13.0/24 4608 7575 3491 21430 82.208.15.0/24 4608 7575 3491 21430 82.208.19.0/24 4608 7575 3491 21430 21430 21430 21430 82.208.24.0/23 4608 7575 3491 21430 82.208.30.0/23 4608 7575 3491 21430 82.208.36.0/23 4608 7575 3491 21430 82.208.38.0/24 4608 7575 3491 21430 82.208.42.0/23 4608 7575 3491 21430 82.208.45.0/24 4608 7575 3491 21430 82.208.51.0/24 4608 7575 3491 21430 82.208.52.0/22 4608 7575 3491 21430 82.208.57.0/24 4608 7575 3491 21430 82.208.59.0/24 4608 7575 3491 21430 83.136.200.0/21 4608 7575 3491 21430 85.209.124.0/23 4608 7575 3491 21430 21430 85.209.126.0/24 4608 7575 3491 21430 85.239.224.0/23 4608 7575 3491 21430 85.239.226.0/24 4608 7575 3491 21430 85.239.228.0/23 4608 7575 3491 21430 21430 85.239.251.0/24 4608 7575 3491 21430 85.239.254.0/23 4608 7575 3491 21430 91.234.162.0/23 4608 7575 3491 21430 21430 96.9.126.0/24 4777 2516 1299 21430 21430 21430 21430 109.123.200.0/23 4608 7575 3491 21430 109.123.204.0/24 4608 7575 3491 21430 21430 21430 109.123.212.0/23 4608 7575 3491 21430 109.123.226.0/24 4608 7575 3491 21430 147.161.28.0/22 4608 7575 3491 21430 185.33.136.0/22 4608 7575 3491 21430 185.161.240.0/22 4608 7575 3491 21430 217.11.226.0/24 4608 7575 3491 21430 217.11.231.0/24 4608 7575 3491 21430 217.11.234.0/24 4608 7575 3491 21430 217.11.237.0/24 4608 7575 3491 21430 217.11.238.0/23 4608 7575 3491 21430 217.11.240.0/23 4608 7575 3491 21430 217.11.244.0/24 4608 7575 3491 21430 217.11.250.0/24 4608 7575 3491 21430 217.11.252.0/23 4608 7575 3491 21430 217.11.255.0/24 4608 7575 3491 21430
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21430 2 More Specifics 65 Total Advertisements WIA-AS - WIA spol. s.r.o., CZ
85.209.124.0/23 85.209.124.0/22
85.209.126.0/24 85.209.124.0/22
whois: 402603
IANA has recorded AS21430 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21430\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 'AS21392 - AS21451'
as-block: AS21392 - AS21451
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: 2018-11-22T15:27:28Z
last-modified: 2018-11-22T15:27:28Z
source: RIPE
% Information related to 'AS21430'
% Abuse contact for 'AS21430' is 'abuse@wia.cz'
aut-num: AS21430
as-name: WIA-AS
org: ORG-Wss1-RIPE
remarks: === upstreams
import: from AS1299 accept ANY
export: to AS1299 announce AS-WIA-CUST
import: from AS39392 accept ANY
export: to AS39392 announce AS-WIA-CUST
import: from AS24971 accept ANY
export: to AS24971 announce AS-WIA-CUST
import: from AS42000 accept ANY
export: to AS42000 announce AS-WIA-CUST
import: from AS174 accept ANY
export: to AS174 announce AS-WIA-CUST
import: from AS3491 accept ANY
export: to AS3491 announce AS-WIA-CUST
remarks: === AS direct peers
import: from AS15169 accept AS15169
export: to AS15169 announce AS-WIA-CUST
remarks: === AS customers
import: from AS56442 accept AS56442
export: to AS56442 announce ANY
import: from AS199350 accept AS199350
export: to AS199350 announce ANY
import: from AS203376 accept AS203376
export: to AS203376 announce ANY
import: from AS206591 accept AS206591
export: to AS206591 announce ANY
import: from AS15614 accept AS15614
export: to AS15614 announce ANY
import: from AS33943 accept AS33943
export: to AS33943 announce ANY
import: from AS48451 accept AS48451
export: to AS48451 announce ANY
import: from AS39761 accept AS39761
import: from AS39761 accept AS42189
import: from AS39761 accept AS57472
export: to AS39761 announce ANY
import: from AS204949 accept AS204949
export: to AS204949 announce ANY
import: from AS199220 accept AS199220
export: to AS199220 announce ANY
import: from AS209369 accept AS209369
export: to AS209369 announce ANY
admin-c: FM1337-RIPE
tech-c: PU100-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: WIA-AS-MNT
created: 2001-12-07T16:30:57Z
last-modified: 2023-06-21T13:06:08Z
source: RIPE
organisation: ORG-Wss1-RIPE
org-name: WIA spol. s.r.o.
country: CZ
reg-nr: 26703297
org-type: LIR
address: Vojtesska 17
address: 110 00
address: Praha 1
address: CZECH REPUBLIC
phone: +420 246 035411
phone: +420 225 372 055
fax-no: +420 246 035410
admin-c: FM1337-RIPE
admin-c: PU100-RIPE
mnt-by: WIA-AS-MNT
mnt-ref: WIA-AS-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
abuse-c: WAC9-RIPE
created: 2004-04-17T11:04:59Z
last-modified: 2026-05-13T07:25:07Z
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)