Report for 18577

Name

MIC-64 - ManTech International Corporation, 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.

18577 MIC-64 - ManTech International Corporation, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
48416 AS18577        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  MIC-64 - ManTech International Corporation, 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       %
35239 AS18577       MIC-64 - ManTech International Corporation, U      2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  108.174.240.0/24     4777 2497 6461 18577   
  108.174.242.0/24     4777 2516 3356 18577   

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

AS18577   2 More Specifics   2 Total Advertisements   MIC-64 - ManTech International Corporation, US
    108.174.240.0/24              108.174.240.0/20
    108.174.242.0/24              108.174.240.0/20

Whois Entry

whois: 402332

IANA has recorded AS18577 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18577\n             
             #
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             # 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/
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             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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             ASNumber:       18577
             ASName:         MIC-64
             ASHandle:       AS18577
             RegDate:        2000-09-14
             Updated:        2012-03-20
             Ref:            https://rdap.arin.net/registry/autnum/18577
             
             
             OrgName:        ManTech International Corporation
             OrgId:          MIST-1
             Address:        2251 Corporate Park Drive
             City:           Herndon
             StateProv:      VA
             PostalCode:     20171
             Country:        US
             RegDate:        2012-01-12
             Updated:        2025-03-14
             Comment:        http://www.ManTech.com
             Ref:            https://rdap.arin.net/registry/entity/MIST-1
             
             
             OrgTechHandle: SSB23-ARIN
             OrgTechName:   Burke, Sean Sean
             OrgTechPhone:  +1-703-218-8263 
             OrgTechEmail:  sean.burke@mantech.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SSB23-ARIN
             
             OrgNOCHandle: TWE58-ARIN
             OrgNOCName:   Welsh, Todd 
             OrgNOCPhone:  +1-703-218-6000 
             OrgNOCEmail:  Katlyn.Hill@ManTech.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TWE58-ARIN
             
             OrgTechHandle: HAGGE34-ARIN
             OrgTechName:   Haggert, Jared 
             OrgTechPhone:  +1-704-449-3119 
             OrgTechEmail:  jared.haggert@mantech.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HAGGE34-ARIN
             
             OrgAbuseHandle: TWE58-ARIN
             OrgAbuseName:   Welsh, Todd 
             OrgAbusePhone:  +1-703-218-6000 
             OrgAbuseEmail:  Katlyn.Hill@ManTech.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TWE58-ARIN
             
             OrgTechHandle: TWE58-ARIN
             OrgTechName:   Welsh, Todd 
             OrgTechPhone:  +1-703-218-6000 
             OrgTechEmail:  Katlyn.Hill@ManTech.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TWE58-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.
             #