Report for 30283

Name

MOFO - Morrison & Foerster, 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.

30283 MOFO - Morrison & Foerster, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
29200 AS30283        ORIGIN  Originate:       1792 /21.19  Transit:          0 /0.00  MOFO - Morrison & Foerster, 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       %
22220 AS30283       MOFO - Morrison & Foerster, US                     7      2      1      6      1  14.29%


  Prefix               AS Path                              Aggregation Suggestion
  199.5.146.0/24       4777 2516 3356 30283 30283   
  204.130.0.0/23       4777 2516 3356 30283 30283 + Announce - aggregate of 204.130.0.0/24 (4777 2516 3356 30283 30283) and 204.130.1.0/24 (4777 2516 3356 30283 30283)
  204.130.0.0/24       4777 2516 3356 30283 30283 - Withdrawn - aggregated with 204.130.1.0/24 (4777 2516 3356 30283 30283)
  204.130.1.0/24       4777 2516 3356 30283 30283 - Withdrawn - aggregated with 204.130.0.0/24 (4777 2516 3356 30283 30283)
  204.130.3.0/24       4777 2516 3356 30283 30283   
  204.130.5.0/24       4777 2516 3356 30283 30283   
  204.130.6.0/24       4777 2497 3356 30283   
  205.132.121.0/24     4777 2516 3356 30283 30283   

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

AS30283   6 More Specifics   7 Total Advertisements   MOFO - Morrison & Foerster, US
    204.130.0.0/24                204.130.0.0/21
    204.130.1.0/24                204.130.0.0/21
    204.130.3.0/24                204.130.0.0/21
    204.130.5.0/24                204.130.0.0/21
    204.130.6.0/24                204.130.0.0/21
    205.132.121.0/24              205.132.120.0/21

Whois Entry

whois: 402332

IANA has recorded AS30283 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS30283\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:       30283
             ASName:         MOFO
             ASHandle:       AS30283
             RegDate:        2003-08-26
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/30283
             
             
             OrgName:        Morrison & Foerster
             OrgId:          MORRIS-1
             Address:        425 Market Street
             City:           San Francisco
             StateProv:      CA
             PostalCode:     94105
             Country:        US
             RegDate:        1993-12-14
             Updated:        2009-10-15
             Ref:            https://rdap.arin.net/registry/entity/MORRIS-1
             
             
             OrgNOCHandle: KLA15-ARIN
             OrgNOCName:   Lai, Kin 
             OrgNOCPhone:  +1-415-268-7700 
             OrgNOCEmail:  dns-admin@mofo.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/KLA15-ARIN
             
             OrgAbuseHandle: KLA15-ARIN
             OrgAbuseName:   Lai, Kin 
             OrgAbusePhone:  +1-415-268-7700 
             OrgAbuseEmail:  dns-admin@mofo.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/KLA15-ARIN
             
             OrgTechHandle: KLA15-ARIN
             OrgTechName:   Lai, Kin 
             OrgTechPhone:  +1-415-268-7700 
             OrgTechEmail:  dns-admin@mofo.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/KLA15-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.
             #