Report for 30491

Name

CROWELLP - Crowe LLP, 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.

30491 CROWELLP - Crowe LLP, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14956 AS30491        ORIGIN  Originate:       5120 /19.68  Transit:          0 /0.00  CROWELLP - Crowe LLP, 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       %
 3547 AS30491       CROWELLP - Crowe LLP, US                          20     20      5      5     15  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  159.246.20.0/22      4777 2516 174 30491  + Announce - aggregate of 159.246.20.0/23 (4777 2516 174 30491) and 159.246.22.0/23 (4777 2516 174 30491)
  159.246.20.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.21.0/24 (4777 2516 174 30491)
  159.246.21.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.20.0/24 (4777 2516 174 30491)
  159.246.22.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.23.0/24 (4777 2516 174 30491)
  159.246.23.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.22.0/24 (4777 2516 174 30491)
  159.246.24.0/22      4777 2516 174 30491  + Announce - aggregate of 159.246.24.0/23 (4777 2516 174 30491) and 159.246.26.0/23 (4777 2516 174 30491)
  159.246.24.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.25.0/24 (4777 2516 174 30491)
  159.246.25.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.24.0/24 (4777 2516 174 30491)
  159.246.26.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.27.0/24 (4777 2516 174 30491)
  159.246.27.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.26.0/24 (4777 2516 174 30491)
  159.246.28.0/23      4777 2516 174 30491  + Announce - aggregate of 159.246.28.0/24 (4777 2516 174 30491) and 159.246.29.0/24 (4777 2516 174 30491)
  159.246.28.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.29.0/24 (4777 2516 174 30491)
  159.246.29.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.28.0/24 (4777 2516 174 30491)
  159.246.40.0/21      4777 2516 174 30491  + Announce - aggregate of 159.246.40.0/22 (4777 2516 174 30491) and 159.246.44.0/22 (4777 2516 174 30491)
  159.246.40.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.41.0/24 (4777 2516 174 30491)
  159.246.41.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.40.0/24 (4777 2516 174 30491)
  159.246.42.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.43.0/24 (4777 2516 174 30491)
  159.246.43.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.42.0/24 (4777 2516 174 30491)
  159.246.44.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.45.0/24 (4777 2516 174 30491)
  159.246.45.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.44.0/24 (4777 2516 174 30491)
  159.246.46.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.47.0/24 (4777 2516 174 30491)
  159.246.47.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.46.0/24 (4777 2516 174 30491)
  159.246.48.0/23      4777 2516 174 30491  + Announce - aggregate of 159.246.48.0/24 (4777 2516 174 30491) and 159.246.49.0/24 (4777 2516 174 30491)
  159.246.48.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.49.0/24 (4777 2516 174 30491)
  159.246.49.0/24      4777 2516 174 30491  - Withdrawn - aggregated with 159.246.48.0/24 (4777 2516 174 30491)

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

AS30491   20 More Specifics   20 Total Advertisements   CROWELLP - Crowe LLP, US
    159.246.20.0/24               159.246.0.0/16
    159.246.21.0/24               159.246.0.0/16
    159.246.22.0/24               159.246.0.0/16
    159.246.23.0/24               159.246.0.0/16
    159.246.24.0/24               159.246.0.0/16
    159.246.25.0/24               159.246.0.0/16
    159.246.26.0/24               159.246.0.0/16
    159.246.27.0/24               159.246.0.0/16
    159.246.28.0/24               159.246.0.0/16
    159.246.29.0/24               159.246.0.0/16
    159.246.40.0/24               159.246.0.0/16
    159.246.41.0/24               159.246.0.0/16
    159.246.42.0/24               159.246.0.0/16
    159.246.43.0/24               159.246.0.0/16
    159.246.44.0/24               159.246.0.0/16
    159.246.45.0/24               159.246.0.0/16
    159.246.46.0/24               159.246.0.0/16
    159.246.47.0/24               159.246.0.0/16
    159.246.48.0/24               159.246.0.0/16
    159.246.49.0/24               159.246.0.0/16

Whois Entry

whois: 402609

IANA has recorded AS30491 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS30491\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:       30491
             ASName:         CROWELLP
             ASHandle:       AS30491
             RegDate:        2003-10-21
             Updated:        2022-12-23
             Ref:            https://rdap.arin.net/registry/autnum/30491
             
             
             OrgName:        Crowe LLP
             OrgId:          CROWEC
             Address:        320 E. Jefferson Blvd
             City:           South Bend
             StateProv:      IN
             PostalCode:     46601
             Country:        US
             RegDate:        1992-06-18
             Updated:        2022-12-23
             Ref:            https://rdap.arin.net/registry/entity/CROWEC
             
             
             OrgAbuseHandle: FWNI-ARIN
             OrgAbuseName:   Firm Wide Network Infrastructure
             OrgAbusePhone:  +1-574-236-7694 
             OrgAbuseEmail:  accounts-fwni@crowe.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/FWNI-ARIN
             
             OrgTechHandle: FWNI-ARIN
             OrgTechName:   Firm Wide Network Infrastructure
             OrgTechPhone:  +1-574-236-7694 
             OrgTechEmail:  accounts-fwni@crowe.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/FWNI-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.
             #