Report for 200474

Name

CRFreeNet - CRFreeNet, z.s., 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 AS6447) 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.

200474 CRFREENET, CZ

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS35046         OMEGAPLUS-AS, CZ

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
70307 AS200474       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  CRFREENET, 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       %
61110 AS200474      CRFREENET, CZ                                      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.133.240.0/24     6939 42306 35046 200474   

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

AS200474   2 More Specifics   2 Total Advertisements   CRFREENET, CZ
    185.133.240.0/24              185.133.240.0/22
    185.133.241.0/24              185.133.240.0/22

Whois Entry

whois: 402590

IANA has recorded AS200474 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS200474\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 'AS200352 - AS200535'
             
             as-block:       AS200352 - AS200535
             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:        2026-04-08T13:28:00Z
             last-modified:  2026-04-08T13:28:00Z
             source:         RIPE
             
             % Information related to 'AS200474'
             
             % Abuse contact for 'AS200474' is 'abuse@crfreenet.org'
             
             aut-num:        AS200474
             as-name:        CRFreeNet
             org:            ORG-CZ10-RIPE
             import:         from AS39906 accept ANY # CoProSys
             export:         to AS39906 announce AS200474
             import:         from AS207886 accept ANY # Ecomp
             export:         to AS207886 announce AS200474
             import:         from AS42306 accept ANY # Edera
             export:         to AS42306 announce AS200474
             import:         from AS35046 accept ANY # Omega Plus
             export:         to AS35046 announce AS200474
             admin-c:        CRFN1-RIPE
             tech-c:         CRFN1-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         CRFREENET-MNT
             created:        2015-06-25T13:49:23Z
             last-modified:  2021-09-06T01:43:56Z
             source:         RIPE
             
             organisation:   ORG-CZ10-RIPE
             org-name:       CRFreeNet, z.s.
             country:        CZ
             reg-nr:         26657007
             org-type:       LIR
             address:        Novomestska 69
             address:        537 01
             address:        Chrudim
             address:        CZECH REPUBLIC
             phone:          +420 777 626 844
             admin-c:        OZ157-RIPE
             tech-c:         OZ157-RIPE
             tech-c:         CRFN1-RIPE
             abuse-c:        CRFN1-RIPE
             mnt-by:         CRFREENET-MNT
             mnt-ref:        CRFREENET-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-ref:        RIPE-NCC-HM-MNT
             created:        2016-01-07T09:09:34Z
             last-modified:  2026-05-13T07:08:20Z
             source:         RIPE # Filtered
             
             role:           CRFreeNet NIC
             address:        CRFreeNet
             address:        Novomestska 69
             address:        Chrudim 2
             address:        537 01
             address:        Czech Republic
             phone:          +420 777 626 844
             abuse-mailbox:  abuse@crfreenet.org
             admin-c:        OZ157-RIPE
             tech-c:         OZ157-RIPE
             nic-hdl:        CRFN1-RIPE
             mnt-by:         CRFREENET-MNT
             created:        2016-01-07T12:33:29Z
             last-modified:  2016-01-07T12:33:29Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)