Report for 19993

Name

RJOBRIEN - R.J. O'Brien and Associates, Inc., 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.

19993 RJOBRIEN - R.J. O'Brien and Associates, Inc., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
32408 AS19993        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  RJOBRIEN - R.J. O'Brien and Associates, Inc., 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       %
21428 AS19993       RJOBRIEN - R.J. O'Brien and Associates, Inc.,      5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.26.88.0/23       4608 13335 19993     + Announce - aggregate of 199.26.88.0/24 (4608 13335 19993) and 199.26.89.0/24 (4608 13335 19993)
  199.26.88.0/24       4608 13335 19993     - Withdrawn - aggregated with 199.26.89.0/24 (4608 13335 19993)
  199.26.89.0/24       4608 13335 19993     - Withdrawn - aggregated with 199.26.88.0/24 (4608 13335 19993)
  199.26.90.0/24       4608 13335 19993       
  199.26.92.0/24       4608 13335 19993       
  199.26.94.0/24       4608 13335 19993       

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

AS19993   5 More Specifics   5 Total Advertisements   RJOBRIEN - R.J. O'Brien and Associates, Inc., US
    199.26.88.0/24                199.26.88.0/21
    199.26.89.0/24                199.26.88.0/21
    199.26.90.0/24                199.26.88.0/21
    199.26.92.0/24                199.26.88.0/21
    199.26.94.0/24                199.26.88.0/21

Whois Entry

whois: 402603

IANA has recorded AS19993 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19993\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:       19993
             ASName:         RJOBRIEN
             ASHandle:       AS19993
             RegDate:        2001-03-13
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/19993
             
             
             OrgName:        R.J. O'Brien and Associates, Inc.
             OrgId:          ROA-8
             Address:        222 Riverside Drive, Ninth Floor
             City:           Chicago
             StateProv:      IL
             PostalCode:     60660
             Country:        US
             RegDate:        2001-03-13
             Updated:        2012-10-10
             Ref:            https://rdap.arin.net/registry/entity/ROA-8
             
             
             OrgAbuseHandle: SK692-ARIN
             OrgAbuseName:   Kent, Steven 
             OrgAbusePhone:  +1-847-859-3813 
             OrgAbuseEmail:  sjk@dredel.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SK692-ARIN
             
             OrgTechHandle: SK692-ARIN
             OrgTechName:   Kent, Steven 
             OrgTechPhone:  +1-847-859-3813 
             OrgTechEmail:  sjk@dredel.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SK692-ARIN
             
             RTechHandle: SK692-ARIN
             RTechName:   Kent, Steven 
             RTechPhone:  +1-847-859-3813 
             RTechEmail:  sjk@dredel.com
             RTechRef:    https://rdap.arin.net/registry/entity/SK692-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.
             #