Report for 49608

Name

COCHENTEK-AS-UK - CoChen Technology LTD., TW

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.

49608 COCHENTEK-AS-UK - CoChen Technology LTD., TW

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS138915        KAOPU-HK - Kaopu Cloud HK Limited, HK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30498 AS49608        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  COCHENTEK-AS-UK - CoChen Technology LTD., TW

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       %
46205 AS49608       COCHENTEK-AS-UK - CoChen Technology LTD., TW       6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  87.76.216.0/24       4777 6939 9318 9232 9232 9232 138915 49608   
  96.126.144.0/24      4777 6939 9318 9232 9232 9232 138915 49608   
  151.245.30.0/24      4608 1221 4637 133448 9232 138915 49608   
  151.247.214.0/24     4777 6939 9318 9232 9232 9232 138915 49608   
  157.254.230.0/24     4777 6939 9318 9232 9232 9232 138915 49608   
  185.220.197.0/24     4777 6939 9318 9232 9232 9232 138915 49608   

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

AS49608   6 More Specifics   6 Total Advertisements   COCHENTEK-AS-UK - CoChen Technology LTD., TW
    87.76.216.0/24                87.76.192.0/19
    96.126.144.0/24               96.126.128.0/18
    151.245.30.0/24               151.245.0.0/17
    151.247.214.0/24              151.247.128.0/17
    157.254.230.0/24              157.254.0.0/16
    185.220.197.0/24              185.220.196.0/22
    136.0.59.0/24                 136.0.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 136.0.59.0/24               Withdrawn

Whois Entry

whois: 402551

IANA has recorded AS49608 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS49608\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 'AS49386 - AS49866'
             
             as-block:       AS49386 - AS49866
             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:        2026-02-24T07:14:53Z
             last-modified:  2026-02-24T07:14:53Z
             source:         RIPE
             
             % Information related to 'AS49608'
             
             % Abuse contact for 'AS49608' is 'admin@cochentek.com'
             
             aut-num:        AS49608
             as-name:        COCHENTEK-AS-UK
             org:            ORG-CTL82-RIPE
             sponsoring-org: ORG-AL909-RIPE
             import:         from AS6939 accept ANY
             export:         to AS6939 announce AS49608
             import:         from AS396356 accept ANY
             export:         to AS396356 announce AS49608
             admin-c:        CTL47-RIPE
             tech-c:         CTL47-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         COCHEN-MNT
             created:        2023-11-27T09:43:41Z
             last-modified:  2023-11-27T09:43:41Z
             source:         RIPE
             
             organisation:   ORG-CTL82-RIPE
             org-name:       CoChen Technology LTD.
             country:        TW
             reg-nr:         83173082
             org-type:       OTHER
             address:        address
             abuse-c:        CTL47-RIPE
             mnt-ref:        COCHEN-MNT
             mnt-ref:        netutils-mnt
             mnt-by:         COCHEN-MNT
             created:        2022-10-25T16:21:01Z
             last-modified:  2026-05-13T06:05:42Z
             source:         RIPE # Filtered
             
             role:           CoChen Technology LTD.
             address:        address
             abuse-mailbox:  admin@cochentek.com
             nic-hdl:        CTL47-RIPE
             mnt-by:         COCHEN-MNT
             created:        2022-10-25T16:31:56Z
             last-modified:  2025-05-23T05:29:33Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)