Report for 7151

Name

COLOGIX-SV - Cologix, Inc, US

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.

7151 COLOGIX-SV - Cologix, Inc, US

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
  Downstream Adjacent AS list
    AS17109         CALITECH - Calitech, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4544  AS7151         ORG+TRN Originate:      45056 /16.54  Transit:        512 /23.00 COLOGIX-SV - Cologix, Inc, US

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       %
15587 AS7151        COLOGIX-SV - Cologix, Inc, US                      5      2      0      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  72.20.96.0/19        4777 2516 174 7151     
  72.172.176.0/20      4777 2516 174 7151     
  209.128.64.0/18      4777 2516 174 7151     
  209.128.64.0/19      4777 2516 174 7151   - Withdrawn - matching aggregate 209.128.64.0/18 4777 2516 174 7151
  209.128.96.0/19      4777 2516 174 7151   - Withdrawn - matching aggregate 209.128.64.0/18 4777 2516 174 7151

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

AS7151   2 More Specifics   5 Total Advertisements   COLOGIX-SV - Cologix, Inc, US
    209.128.64.0/19               209.128.64.0/18
    209.128.96.0/19               209.128.64.0/18

Whois Entry

whois: 402609

IANA has recorded AS7151 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS7151\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       7151
             ASName:         COLOGIX-SV
             ASHandle:       AS7151
             RegDate:        1996-09-20
             Updated:        2025-05-07
             Ref:            https://rdap.arin.net/registry/autnum/7151
             
             
             OrgName:        Cologix, Inc
             OrgId:          COLOG-8
             Address:        1601 19th Street
             Address:        Suite 650
             City:           Denver
             StateProv:      CO
             PostalCode:     80202
             Country:        US
             RegDate:        2021-02-12
             Updated:        2025-05-07
             Ref:            https://rdap.arin.net/registry/entity/COLOG-8
             
             
             OrgTechHandle: NOC33671-ARIN
             OrgTechName:   NOC
             OrgTechPhone:  +1-720-230-7000 
             OrgTechEmail:  noc@cologix.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC33671-ARIN
             
             OrgTechHandle: BECKJ20-ARIN
             OrgTechName:   Beck, Josh 
             OrgTechPhone:  +1-855-449-4357 
             OrgTechEmail:  josh.beck@cologix.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BECKJ20-ARIN
             
             OrgNOCHandle: NETWO9665-ARIN
             OrgNOCName:   Network Engineering
             OrgNOCPhone:  +1-844-449-4357 
             OrgNOCEmail:  noc@cologix.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9665-ARIN
             
             OrgAbuseHandle: ABUSE5526-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-720-230-7000 
             OrgAbuseEmail:  abuse@cologix.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5526-ARIN
             
             OrgTechHandle: JOBAY1-ARIN
             OrgTechName:   Jobay, Mike 
             OrgTechPhone:  +1-973-590-5177 
             OrgTechEmail:  mike.jobay@cologix.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/JOBAY1-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #