AS Report

Report for 203937

Name

CYFROTEL, PL

AS Adjacency Report

203937 CYFROTEL, PL

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS29535         MIX2_OPENPEERING ASN shared between, PL
    AS5617          TPNET, PL
  Downstream Adjacent AS list
    AS20804         ASN-TELENERGO ul. PERKUNA 47, WARSZAWA, PL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19490 AS203937       ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  CYFROTEL, PL

Aggregation Suggestions

Filter: Aggregates, Specifics

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
18719 AS203937      CYFROTEL, PL                                       8      3      1      6      2  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.119.120.0/22     4777 2497 1299 5617 203937 203937 203937 203937   
  185.125.4.0/24       4777 2497 1299 5617 203937 203937 203937 203937   
  185.131.240.0/22     4777 2497 1299 5617 203937 203937 203937 203937 + Announce - aggregate of 185.131.240.0/23 (4777 2497 1299 5617 203937 203937 203937 203937) and 185.131.242.0/23 (4777 2497 1299 5617 203937 203937 203937 203937)
  185.131.240.0/23     4777 2497 1299 5617 203937 203937 203937 203937 - Withdrawn - aggregated with 185.131.242.0/23 (4777 2497 1299 5617 203937 203937 203937 203937)
  185.131.242.0/24     4777 2497 1299 5617 203937 203937 203937 203937 - Withdrawn - aggregated with 185.131.243.0/24 (4777 2497 1299 5617 203937 203937 203937 203937)
  185.131.243.0/24     4777 2497 1299 5617 203937 203937 203937 203937 - Withdrawn - aggregated with 185.131.242.0/24 (4777 2497 1299 5617 203937 203937 203937 203937)
  185.216.172.0/24     4777 2497 1299 5617 203937 203937 203937 203937   
  185.253.233.0/24     4777 2497 1299 5617 203937 203937 203937 203937   
  194.42.118.0/23      4777 2497 1299 5617 203937 203937 203937 203937

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

AS203937   6 More Specifics   8 Total Advertisements   CYFROTEL, PL
    185.125.4.0/24                185.125.4.0/22
    185.131.240.0/23              185.131.240.0/22
    185.131.242.0/24              185.131.240.0/22
    185.131.243.0/24              185.131.240.0/22
    185.216.172.0/24              185.216.172.0/23
    185.253.233.0/24              185.253.232.0/22

Whois Entry

whois: 402332

IANA has recorded AS203937 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS203937\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 'AS203889 - AS203938'
             
             as-block:       AS203889 - AS203938
             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 'AS203937'
             
             % Abuse contact for 'AS203937' is 'admin@cyfrotel.pl'
             
             aut-num:        AS203937
             as-name:        Cyfrotel
             org:            ORG-CSJM2-RIPE
             import:         from AS50607 accept ANY
             export:         to AS50607 announce as-cyfrotel
             import:         from AS62047 accept ANY
             export:         to AS62047 announce as-cyfrotel
             import:         from AS201054 accept ANY
             export:         to AS201054 announce as-cyfrotel
             import:         from AS197294 accept ANY
             export:         to AS197294 announce ANY
             admin-c:        MB40321-RIPE
             tech-c:         MB40321-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         pl-cyfrotel-1-mnt
             created:        2015-10-01T08:31:39Z
             last-modified:  2025-03-21T13:18:00Z
             source:         RIPE
             
             organisation:   ORG-CSJM2-RIPE
             org-name:       MAREK BZDZIUCH trading as CYFROTEL Sp. J.
             country:        PL
             org-type:       LIR
             address:        ul. Tadeusza Kosciuszki 79
             address:        23-400
             address:        Bilgoraj
             address:        POLAND
             phone:          +48845348000
             geoloc:         50.529305 22.7155843
             language:       PL
             admin-c:        MB40321-RIPE
             admin-c:        MU1759-RIPE
             tech-c:         MB40321-RIPE
             tech-c:         MU1759-RIPE
             abuse-c:        AR33658-RIPE
             mnt-ref:        pl-cyfrotel-1-mnt
             mnt-ref:        pl-zfix-1-mnt
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         pl-cyfrotel-1-mnt
             created:        2015-09-29T14:27:09Z
             last-modified:  2025-09-02T13:00:56Z
             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 1.121.2 (SHETLAND)

as-report v4.4 (gih) 24/02/14