204666 CZJIRITLAPAK, CZ
Adjacency: 3 Upstream: 2 Downstream: 1
Upstream Adjacent AS list
AS47232 ISPALLIANCE, CZ
AS16019 VODAFONE-CZ-AS, CZ
Downstream Adjacent AS list
AS197412 ASBESKYDNET, CZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6869 AS204666 ORG+TRN Originate: 20480 /17.68 Transit: 768 /22.42 CZJIRITLAPAK, 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 % 2728 AS204666 CZJIRITLAPAK, CZ 37 22 1 16 21 56.76% Prefix AS Path Aggregation Suggestion 5.59.102.0/23 6939 16019 204666 37.221.240.0/20 6939 16019 204666 37.221.241.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.242.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.243.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.245.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.247.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.248.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.249.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.250.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.251.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 37.221.252.0/24 6939 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 6939 16019 204666 45.153.192.0/22 6939 16019 204666 45.153.192.0/24 6939 16019 204666 - Withdrawn - matching aggregate 45.153.192.0/22 6939 16019 204666 45.153.194.0/24 6939 16019 204666 - Withdrawn - matching aggregate 45.153.192.0/22 6939 16019 204666 45.153.195.0/24 6939 16019 204666 - Withdrawn - matching aggregate 45.153.192.0/22 6939 16019 204666 85.255.88.0/22 6939 16019 204666 91.224.90.0/23 6939 16019 204666 176.119.192.0/24 6939 16019 204666 185.19.0.0/22 6939 16019 204666 185.64.220.0/22 6939 16019 204666 185.64.220.0/24 6939 16019 204666 - Withdrawn - matching aggregate 185.64.220.0/22 6939 16019 204666 185.64.222.0/24 6939 16019 204666 - Withdrawn - matching aggregate 185.64.220.0/22 6939 16019 204666 185.74.60.0/24 6939 16019 204666 185.87.140.0/22 6939 16019 204666 185.87.142.0/23 6939 16019 204666 - Withdrawn - matching aggregate 185.87.140.0/22 6939 16019 204666 185.97.24.0/22 6939 16019 204666 185.97.24.0/24 6939 16019 204666 - Withdrawn - matching aggregate 185.97.24.0/22 6939 16019 204666 185.97.25.0/24 6939 16019 204666 - Withdrawn - matching aggregate 185.97.24.0/22 6939 16019 204666 185.97.26.0/24 6939 16019 204666 - Withdrawn - matching aggregate 185.97.24.0/22 6939 16019 204666 185.188.100.0/23 6939 16019 204666 + Announce - aggregate of 185.188.100.0/24 (6939 16019 204666) and 185.188.101.0/24 (6939 16019 204666) 185.188.100.0/24 6939 16019 204666 - Withdrawn - aggregated with 185.188.101.0/24 (6939 16019 204666) 185.188.101.0/24 6939 16019 204666 - Withdrawn - aggregated with 185.188.100.0/24 (6939 16019 204666) 185.188.103.0/24 6939 16019 204666 185.230.172.0/22 6939 16019 204666 185.243.172.0/22 6939 16019 204666 213.108.162.0/23 6939 16019 204666 213.108.162.0/24 6939 16019 204666 - Withdrawn - matching aggregate 213.108.162.0/23 6939 16019 204666
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204666 2 More Specifics 2 Total Advertisements CZJIRITLAPAK, CZ
45.153.194.0/24 45.153.192.0/22
45.153.195.0/24 45.153.192.0/22
5.59.102.0/23 5.59.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 5.59.102.0/23 Withdrawn
whois: 402590
IANA has recorded AS204666 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204666\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 'AS203940 - AS205662'
as-block: AS203940 - AS205662
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: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS204666'
% Abuse contact for 'AS204666' is 'zneuziti@tlapnet.cz'
aut-num: AS204666
as-name: czjiritlapak
org: ORG-JT76-RIPE
import: from AS47232 accept ANY
export: to AS47232 announce AS204666
import: from AS44500 accept ANY
import: from AS16019 accept ANY
export: to AS44500 announce AS204666
export: to AS16019 announce AS204666
admin-c: LN2259-RIPE
tech-c: LN2259-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: TLAPNET-MNT
created: 2018-01-29T15:34:02Z
last-modified: 2025-03-25T16:31:19Z
source: RIPE
organisation: ORG-JT76-RIPE
org-name: Jiri Tlapak
country: CZ
reg-nr: Not Applicable
org-type: LIR
address: Podhorka 184
address: 286 01
address: Ronov nad Doubravou
address: CZECH REPUBLIC
phone: +420 606 606 035
admin-c: JT7059-RIPE
tech-c: JT7059-RIPE
abuse-c: AC32880-RIPE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: TLAPNET-MNT
created: 2018-01-19T13:06:41Z
last-modified: 2026-05-13T07:38:35Z
source: RIPE # Filtered
mnt-ref: TLAPNET-MNT
%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.
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% 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 (SHETLAND)