Report for 18639

Name

ABTASSOCIATES-AS - Abt 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.

18639 ABTASSOCIATES-AS - Abt Associates, Inc., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
59512 AS18639        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  ABTASSOCIATES-AS - Abt 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       %
34889 AS18639       ABTASSOCIATES-AS - Abt Associates, Inc., US        1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  198.105.1.0/24       4777 2497 6461 18639   

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

AS18639   1 More Specifics   1 Total Advertisements   ABTASSOCIATES-AS - Abt Associates, Inc., US
    198.105.1.0/24                198.105.0.0/22

Whois Entry

whois: 402603

IANA has recorded AS18639 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18639\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:       18639
             ASName:         ABTASSOCIATES-AS
             ASHandle:       AS18639
             RegDate:        2006-11-16
             Updated:        2020-03-03
             Ref:            https://rdap.arin.net/registry/autnum/18639
             
             
             OrgName:        Abt Associates, Inc.
             OrgId:          ABTASS
             Address:        10 Fawcett St
             City:           Cambridge
             StateProv:      MA
             PostalCode:     02138
             Country:        US
             RegDate:        1993-03-31
             Updated:        2025-03-18
             Ref:            https://rdap.arin.net/registry/entity/ABTASS
             
             
             OrgTechHandle: CHANJ50-ARIN
             OrgTechName:   Chan, Jemmy 
             OrgTechPhone:  +1-617-520-2702 
             OrgTechEmail:  jemmy_chan@abtassoc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CHANJ50-ARIN
             
             OrgAbuseHandle: GOODR29-ARIN
             OrgAbuseName:   Goodride, Peter 
             OrgAbusePhone:  +1-617-349-2440 
             OrgAbuseEmail:  pete_goodridge@abtassoc.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/GOODR29-ARIN
             
             OrgAbuseHandle: CHANJ50-ARIN
             OrgAbuseName:   Chan, Jemmy 
             OrgAbusePhone:  +1-617-520-2702 
             OrgAbuseEmail:  jemmy_chan@abtassoc.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CHANJ50-ARIN
             
             OrgTechHandle: GOODR29-ARIN
             OrgTechName:   Goodride, Peter 
             OrgTechPhone:  +1-617-349-2440 
             OrgTechEmail:  pete_goodridge@abtassoc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/GOODR29-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.
             #