Report for 35874

Name

KRESA-ASN - Kalamazoo RESA, 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.

35874 KRESA-ASN - Kalamazoo RESA, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS401307        MISEN-ASN-1 - Michigan Statewide Educational Network, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18192 AS35874        ORIGIN  Originate:       3840 /20.09  Transit:          0 /0.00  KRESA-ASN - Kalamazoo RESA, 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       %
 5361 AS35874       KRESA-ASN - Kalamazoo RESA, US                    15     14      5      6      9  60.00%


  Prefix               AS Path                              Aggregation Suggestion
  69.58.32.0/23        4608 6939 12129 401307 35874 + Announce - aggregate of 69.58.32.0/24 (4608 6939 12129 401307 35874) and 69.58.33.0/24 (4608 6939 12129 401307 35874)
  69.58.32.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.33.0/24 (4608 6939 12129 401307 35874)
  69.58.33.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.32.0/24 (4608 6939 12129 401307 35874)
  69.58.36.0/22        4608 6939 12129 401307 35874 + Announce - aggregate of 69.58.36.0/23 (4608 6939 12129 401307 35874) and 69.58.38.0/23 (4608 6939 12129 401307 35874)
  69.58.36.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.37.0/24 (4608 6939 12129 401307 35874)
  69.58.37.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.36.0/24 (4608 6939 12129 401307 35874)
  69.58.38.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.39.0/24 (4608 6939 12129 401307 35874)
  69.58.39.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.38.0/24 (4608 6939 12129 401307 35874)
  69.58.41.0/24        4608 6939 12129 401307 35874   
  69.58.42.0/23        4608 6939 12129 401307 35874 + Announce - aggregate of 69.58.42.0/24 (4608 6939 12129 401307 35874) and 69.58.43.0/24 (4608 6939 12129 401307 35874)
  69.58.42.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.43.0/24 (4608 6939 12129 401307 35874)
  69.58.43.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.42.0/24 (4608 6939 12129 401307 35874)
  69.58.48.0/22        4608 6939 12129 401307 35874 + Announce - aggregate of 69.58.48.0/23 (4608 6939 12129 401307 35874) and 69.58.50.0/23 (4608 6939 12129 401307 35874)
  69.58.48.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.49.0/24 (4608 6939 12129 401307 35874)
  69.58.49.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.48.0/24 (4608 6939 12129 401307 35874)
  69.58.50.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.51.0/24 (4608 6939 12129 401307 35874)
  69.58.51.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.50.0/24 (4608 6939 12129 401307 35874)
  69.58.52.0/23        4608 6939 12129 401307 35874 + Announce - aggregate of 69.58.52.0/24 (4608 6939 12129 401307 35874) and 69.58.53.0/24 (4608 6939 12129 401307 35874)
  69.58.52.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.53.0/24 (4608 6939 12129 401307 35874)
  69.58.53.0/24        4608 6939 12129 401307 35874 - Withdrawn - aggregated with 69.58.52.0/24 (4608 6939 12129 401307 35874)

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

AS35874   15 More Specifics   15 Total Advertisements   KRESA-ASN - Kalamazoo RESA, US
    69.58.32.0/24                 69.58.32.0/19
    69.58.33.0/24                 69.58.32.0/19
    69.58.36.0/24                 69.58.32.0/19
    69.58.37.0/24                 69.58.32.0/19
    69.58.38.0/24                 69.58.32.0/19
    69.58.39.0/24                 69.58.32.0/19
    69.58.41.0/24                 69.58.32.0/19
    69.58.42.0/24                 69.58.32.0/19
    69.58.43.0/24                 69.58.32.0/19
    69.58.48.0/24                 69.58.32.0/19
    69.58.49.0/24                 69.58.32.0/19
    69.58.50.0/24                 69.58.32.0/19
    69.58.51.0/24                 69.58.32.0/19
    69.58.52.0/24                 69.58.32.0/19
    69.58.53.0/24                 69.58.32.0/19

Whois Entry

whois: 402590

IANA has recorded AS35874 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS35874\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:       35874
             ASName:         KRESA-ASN
             ASHandle:       AS35874
             RegDate:        2005-03-31
             Updated:        2019-02-26
             Ref:            https://rdap.arin.net/registry/autnum/35874
             
             
             OrgName:        Kalamazoo RESA
             OrgId:          KALAMA-2
             Address:        1819 E. Milham Road
             City:           Kalamazoo
             StateProv:      MI
             PostalCode:     49002-3035
             Country:        US
             RegDate:        2002-01-04
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/KALAMA-2
             
             
             OrgAbuseHandle: NETOP64-ARIN
             OrgAbuseName:   NETOPS
             OrgAbusePhone:  +1-269-250-9201 
             OrgAbuseEmail:  networkteam@kresa.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETOP64-ARIN
             
             OrgTechHandle: NETOP64-ARIN
             OrgTechName:   NETOPS
             OrgTechPhone:  +1-269-250-9201 
             OrgTechEmail:  networkteam@kresa.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETOP64-ARIN
             
             RNOCHandle: NETOP64-ARIN
             RNOCName:   NETOPS
             RNOCPhone:  +1-269-250-9201 
             RNOCEmail:  networkteam@kresa.org
             RNOCRef:    https://rdap.arin.net/registry/entity/NETOP64-ARIN
             
             RTechHandle: NETOP64-ARIN
             RTechName:   NETOPS
             RTechPhone:  +1-269-250-9201 
             RTechEmail:  networkteam@kresa.org
             RTechRef:    https://rdap.arin.net/registry/entity/NETOP64-ARIN
             
             RAbuseHandle: NETOP64-ARIN
             RAbuseName:   NETOPS
             RAbusePhone:  +1-269-250-9201 
             RAbuseEmail:  networkteam@kresa.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/NETOP64-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.
             #