Report for 204666

Name

czjiritlapak - Jiri Tlapak, CZ

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

204666 czjiritlapak - Jiri Tlapak, CZ

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS16019         VODAFONE-CZ-AS - Vodafone Czech Republic a.s., CZ
  Downstream Adjacent AS list
    AS197412        ASBESKYDNET - Jiri Tlapak, CZ

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
6815  AS204666       ORG+TRN Originate:      20480 /17.68  Transit:        768 /22.42 czjiritlapak - Jiri Tlapak, 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       %
 2684 AS204666      czjiritlapak - Jiri Tlapak, CZ                    37     22      1     16     21  56.76%


  Prefix               AS Path                              Aggregation Suggestion
  5.59.102.0/23        4777 2516 1273 16019 204666   
  37.221.240.0/20      4777 2516 1273 16019 204666   
  37.221.241.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.242.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.243.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.245.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.247.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.248.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.249.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.250.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.251.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  37.221.252.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 37.221.240.0/20 4777 2516 1273 16019 204666
  45.153.192.0/22      4777 2516 1273 16019 204666   
  45.153.192.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 45.153.192.0/22 4777 2516 1273 16019 204666
  45.153.194.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 45.153.192.0/22 4777 2516 1273 16019 204666
  45.153.195.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 45.153.192.0/22 4777 2516 1273 16019 204666
  85.255.88.0/22       4777 2516 1273 16019 204666   
  91.224.90.0/23       4777 2516 1273 16019 204666   
  176.119.192.0/24     4777 2516 1273 16019 204666   
  185.19.0.0/22        4777 2516 1273 16019 204666   
  185.64.220.0/22      4777 2516 1273 16019 204666   
  185.64.220.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 185.64.220.0/22 4777 2516 1273 16019 204666
  185.64.222.0/24      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 185.64.220.0/22 4777 2516 1273 16019 204666
  185.74.60.0/24       4777 2516 1273 16019 204666   
  185.87.140.0/22      4777 2516 1273 16019 204666   
  185.87.142.0/23      4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 185.87.140.0/22 4777 2516 1273 16019 204666
  185.97.24.0/22       4777 2516 1273 16019 204666   
  185.97.24.0/24       4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 185.97.24.0/22 4777 2516 1273 16019 204666
  185.97.25.0/24       4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 185.97.24.0/22 4777 2516 1273 16019 204666
  185.97.26.0/24       4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 185.97.24.0/22 4777 2516 1273 16019 204666
  185.188.100.0/23     4777 2516 1273 16019 204666 + Announce - aggregate of 185.188.100.0/24 (4777 2516 1273 16019 204666) and 185.188.101.0/24 (4777 2516 1273 16019 204666)
  185.188.100.0/24     4777 2516 1273 16019 204666 - Withdrawn - aggregated with 185.188.101.0/24 (4777 2516 1273 16019 204666)
  185.188.101.0/24     4777 2516 1273 16019 204666 - Withdrawn - aggregated with 185.188.100.0/24 (4777 2516 1273 16019 204666)
  185.188.103.0/24     4777 2516 1273 16019 204666   
  185.230.172.0/22     4777 2516 1273 16019 204666   
  185.243.172.0/22     4777 2516 1273 16019 204666   
  213.108.162.0/23     4777 2516 1273 16019 204666   
  213.108.162.0/24     4777 2516 1273 16019 204666 - Withdrawn - matching aggregate 213.108.162.0/23 4777 2516 1273 16019 204666

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS204666   25 More Specifics   37 Total Advertisements   czjiritlapak - Jiri Tlapak, CZ
    5.59.102.0/23                 5.59.0.0/16
    37.221.241.0/24               37.221.240.0/20
    37.221.242.0/24               37.221.240.0/20
    37.221.243.0/24               37.221.240.0/20
    37.221.245.0/24               37.221.240.0/20
    37.221.247.0/24               37.221.240.0/20
    37.221.248.0/24               37.221.240.0/20
    37.221.249.0/24               37.221.240.0/20
    37.221.250.0/24               37.221.240.0/20
    37.221.251.0/24               37.221.240.0/20
    37.221.252.0/24               37.221.240.0/20
    45.153.192.0/24               45.153.192.0/22
    45.153.194.0/24               45.153.192.0/22
    45.153.195.0/24               45.153.192.0/22
    185.64.220.0/24               185.64.220.0/22
    185.64.222.0/24               185.64.220.0/22
    185.74.60.0/24                185.74.60.0/23
    185.87.142.0/23               185.87.140.0/22
    185.97.24.0/24                185.97.24.0/22
    185.97.25.0/24                185.97.24.0/22
    185.97.26.0/24                185.97.24.0/22
    185.188.100.0/24              185.188.100.0/22
    185.188.101.0/24              185.188.100.0/22
    185.188.103.0/24              185.188.100.0/22
    213.108.162.0/24              213.108.162.0/23

Whois Entry

whois: 402617

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.
             % 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 (ABERDEEN)