Report for 22283

Name

SIDLEY - Sidley Austin 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 AS6447) 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.

22283 SIDLEY, US

  Adjacency:    13  Upstream:    13  Downstream:     0
  Upstream Adjacent AS list
    AS15830         EQUINIX, NL
    AS63430         5X5, US
    AS701           UUNET, US
    AS702           UUNET, US
    AS4515          ERX-STAR HKT Limited, HK
    AS703           UUNET, US
    AS8220          COLT COLT Technology Services Group Limited, GB
    AS7018          ATT-INTERNET4, US
    AS2686          ATGS-MMD-AS, US
    AS2687          ATGS-MMD-AS, US
    AS2914          NTT-LTD-2914, US
    AS3561          CENTURYLINK-LEGACY-SAVVIS, US
    AS6461          ZAYO-6461, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13713 AS22283        ORIGIN  Originate:       6144 /19.42  Transit:          0 /0.00  SIDLEY, 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       %
16172 AS22283       SIDLEY, US                                        24      4      2     22      2   8.33%


  Prefix               AS Path                              Aggregation Suggestion
  198.232.32.0/23      7018 22283           + Announce - aggregate of 198.232.32.0/24 (7018 22283) and 198.232.33.0/24 (7018 22283)
  198.232.32.0/24      7018 22283           - Withdrawn - aggregated with 198.232.33.0/24 (7018 22283)
  198.232.33.0/24      7018 22283           - Withdrawn - aggregated with 198.232.32.0/24 (7018 22283)
  198.232.35.0/24      7018 22283             
  198.232.36.0/24      3257 15830 22283       
  198.232.37.0/24      7018 22283             
  198.232.42.0/24      7018 22283             
  198.232.44.0/24      2914 22283             
  198.232.45.0/24      7018 2686 22283        
  198.232.46.0/24      7018 2686 22283        
  198.232.48.0/24      2497 701 22283         
  198.232.49.0/24      7018 22283             
  198.232.50.0/24      7018 22283             
  198.232.51.0/24      6939 703 22283         
  198.232.52.0/24      2497 8220 22283        
  198.232.53.0/24      2914 22283             
  198.232.54.0/24      2914 22283             
  198.232.55.0/24      7018 22283             
  198.232.56.0/24      2914 22283             
  198.232.57.0/24      7018 22283             
  198.232.58.0/24      7018 22283             
  198.232.60.0/24      7018 22283             
  198.232.61.0/24      2497 701 22283         
  198.232.62.0/23      7018 22283           + Announce - aggregate of 198.232.62.0/24 (7018 22283) and 198.232.63.0/24 (7018 22283)
  198.232.62.0/24      7018 22283           - Withdrawn - aggregated with 198.232.63.0/24 (7018 22283)
  198.232.63.0/24      7018 22283           - Withdrawn - aggregated with 198.232.62.0/24 (7018 22283)

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

AS22283   22 More Specifics   22 Total Advertisements   SIDLEY, US
    198.232.34.0/24               198.232.32.0/19
    198.232.35.0/24               198.232.32.0/19
    198.232.36.0/24               198.232.32.0/19
    198.232.37.0/24               198.232.32.0/19
    198.232.44.0/24               198.232.32.0/19
    198.232.45.0/24               198.232.32.0/19
    198.232.46.0/24               198.232.32.0/19
    198.232.47.0/24               198.232.32.0/19
    198.232.48.0/24               198.232.32.0/19
    198.232.49.0/24               198.232.32.0/19
    198.232.50.0/24               198.232.32.0/19
    198.232.51.0/24               198.232.32.0/19
    198.232.52.0/24               198.232.32.0/19
    198.232.53.0/24               198.232.32.0/19
    198.232.54.0/24               198.232.32.0/19
    198.232.56.0/24               198.232.32.0/19
    198.232.58.0/24               198.232.32.0/19
    198.232.59.0/24               198.232.32.0/19
    198.232.60.0/24               198.232.32.0/19
    198.232.61.0/24               198.232.32.0/19
    198.232.62.0/24               198.232.32.0/19
    198.232.63.0/24               198.232.32.0/19

Whois Entry

whois: 402603

IANA has recorded AS22283 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS22283\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:       22283
             ASName:         SIDLEY
             ASHandle:       AS22283
             RegDate:        2001-08-28
             Updated:        2022-09-15
             Ref:            https://rdap.arin.net/registry/autnum/22283
             
             
             OrgName:        Sidley Austin LLP
             OrgId:          SAL-313
             Address:        1 S Dearborn St
             City:           Chicago
             StateProv:      IL
             PostalCode:     60603
             Country:        US
             RegDate:        2022-04-12
             Updated:        2026-01-30
             Ref:            https://rdap.arin.net/registry/entity/SAL-313
             
             
             OrgTechHandle: WENST1-ARIN
             OrgTechName:   Wenstrand, Peter 
             OrgTechPhone:  +1-312-456-5720 
             OrgTechEmail:  pwenstrand@sidley.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/WENST1-ARIN
             
             OrgRoutingHandle: MEV1-ARIN
             OrgRoutingName:   Vendl, Mark 
             OrgRoutingPhone:  +1-312-456-5724 
             OrgRoutingEmail:  mvendl@sidley.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/MEV1-ARIN
             
             OrgRoutingHandle: WENST1-ARIN
             OrgRoutingName:   Wenstrand, Peter 
             OrgRoutingPhone:  +1-312-456-5720 
             OrgRoutingEmail:  pwenstrand@sidley.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/WENST1-ARIN
             
             OrgAbuseHandle: ABUSE6323-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-312-853-7000 
             OrgAbuseEmail:  abuse@sidley.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE6323-ARIN
             
             OrgTechHandle: MEV1-ARIN
             OrgTechName:   Vendl, Mark 
             OrgTechPhone:  +1-312-456-5724 
             OrgTechEmail:  mvendl@sidley.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MEV1-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.
             #