Report for 402021

Name

MT-WILSON-OBSERVATORY - Mt. Wilson Observatory, 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.

402021 MT-WILSON-OBSERVATORY - Mt. Wilson Observatory, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
77976 AS402021       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  MT-WILSON-OBSERVATORY - Mt. Wilson Observatory, 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       %
77936 AS402021      MT-WILSON-OBSERVATORY - Mt. Wilson Observator      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.153.157.0/24     4777 2497 7018 402021   

Whois Entry

whois: 402591

IANA has recorded AS402021 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS402021\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:       402021
             ASName:         MT-WILSON-OBSERVATORY
             ASHandle:       AS402021
             RegDate:        2025-09-24
             Updated:        2025-09-26
             Ref:            https://rdap.arin.net/registry/autnum/402021
             
             
             OrgName:        Mt. Wilson Observatory
             OrgId:          MWO
             Address:        75 S Grand Avenue
             City:           Pasadena
             StateProv:      CA
             PostalCode:     91105
             Country:        US
             RegDate:        1992-04-02
             Updated:        2025-09-26
             Ref:            https://rdap.arin.net/registry/entity/MWO
             
             
             OrgTechHandle: LAUNL-ARIN
             OrgTechName:   Laun, Laura 
             OrgTechPhone:  +1-626-214-8030 
             OrgTechEmail:  llaun@mtwilson.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/LAUNL-ARIN
             
             OrgTechHandle: BARRU11-ARIN
             OrgTechName:   Barrus, Christopher 
             OrgTechPhone:  +1-626-214-8030 
             OrgTechEmail:  cbarrus@mtwilson.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/BARRU11-ARIN
             
             OrgAbuseHandle: JCT8-ARIN
             OrgAbuseName:   Thompson, John C
             OrgAbusePhone:  +1-626-214-8030 
             OrgAbuseEmail:  jthompson@mtwilson.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JCT8-ARIN
             
             OrgTechHandle: JCT8-ARIN
             OrgTechName:   Thompson, John C
             OrgTechPhone:  +1-626-214-8030 
             OrgTechEmail:  jthompson@mtwilson.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/JCT8-ARIN
             
             OrgAbuseHandle: LAUNL-ARIN
             OrgAbuseName:   Laun, Laura 
             OrgAbusePhone:  +1-626-214-8030 
             OrgAbuseEmail:  llaun@mtwilson.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/LAUNL-ARIN
             
             OrgAbuseHandle: BARRU11-ARIN
             OrgAbuseName:   Barrus, Christopher 
             OrgAbusePhone:  +1-626-214-8030 
             OrgAbuseEmail:  cbarrus@mtwilson.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BARRU11-ARIN
             
             RAbuseHandle: BARRU11-ARIN
             RAbuseName:   Barrus, Christopher 
             RAbusePhone:  +1-626-214-8030 
             RAbuseEmail:  cbarrus@mtwilson.edu
             RAbuseRef:    https://rdap.arin.net/registry/entity/BARRU11-ARIN
             
             RNOCHandle: JCT8-ARIN
             RNOCName:   Thompson, John C
             RNOCPhone:  +1-626-214-8030 
             RNOCEmail:  jthompson@mtwilson.edu
             RNOCRef:    https://rdap.arin.net/registry/entity/JCT8-ARIN
             
             RTechHandle: JCT8-ARIN
             RTechName:   Thompson, John C
             RTechPhone:  +1-626-214-8030 
             RTechEmail:  jthompson@mtwilson.edu
             RTechRef:    https://rdap.arin.net/registry/entity/JCT8-ARIN
             
             RAbuseHandle: JCT8-ARIN
             RAbuseName:   Thompson, John C
             RAbusePhone:  +1-626-214-8030 
             RAbuseEmail:  jthompson@mtwilson.edu
             RAbuseRef:    https://rdap.arin.net/registry/entity/JCT8-ARIN
             
             RNOCHandle: BARRU11-ARIN
             RNOCName:   Barrus, Christopher 
             RNOCPhone:  +1-626-214-8030 
             RNOCEmail:  cbarrus@mtwilson.edu
             RNOCRef:    https://rdap.arin.net/registry/entity/BARRU11-ARIN
             
             RTechHandle: BARRU11-ARIN
             RTechName:   Barrus, Christopher 
             RTechPhone:  +1-626-214-8030 
             RTechEmail:  cbarrus@mtwilson.edu
             RTechRef:    https://rdap.arin.net/registry/entity/BARRU11-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.
             #