Report for 19855

Name

MASERGY - Masergy Communications, 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 AS4637) 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.

19855 ASN-MASERGY-US Masergy US Autonomous System

  Adjacency:    18  Upstream:     2  Downstream:    16
  Upstream Adjacent AS list
    AS10026   ANC Asia Netcom Corporation
    AS3356    LEVEL3 Level 3 Communications
  Downstream Adjacent AS list
    AS10647   NACM - Nicholas Applegate
    AS11336   BGLOBAL - Barclays Global Investors
    AS14039   V-SPAN - V-Span, Inc.
    AS12197   DRUGSTORE-COM - Drugstore.Com, Inc.
    AS17398   IPASS-COM - IPASS INC
    AS18636   SHOREASN - ShoreTel Inc.
    AS15032   SXC-SCOTTSDALE - Systems Xcellence, Inc.
    AS14527   CABELAS - Cabela's
    AS26245   ROBERT-H - Robert Half International
    AS26121   JEPPESEN - Jeppesen
    AS27493   SXC-LOMBARD - Systems Xcellence, Inc.
    AS27285   ADAM-ASN - Oppenheimer Capital\Quest for Value
    AS22775   MOORECAP - Moore Capital Management
    AS21639   MH2 - MH2 Technologies
    AS7345    LUCENTTECH - Lucent Technologies Inc.
    AS6352    ETRADE-AS - E*Trade Group

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1439  AS19855  ORG+TRN Originate:     122880 /15.09  Transit:      79360 /15.72 ASN-MASERGY-US Masergy US Autonomous System

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       %
 1751 AS19855 ASN-MASERGY-US Masergy US Autonomous Sys     19      9      2     12      7  36.84%


  Prefix               AS Path                              Aggregation Suggestion
  64.47.0.0/16         4637 3356 19855        
  64.47.150.0/24       4637 3356 19855      - Withdrawn - matching aggregate 64.47.0.0/16 4637 3356 19855
  64.47.154.0/24       4637 3356 19855      - Withdrawn - matching aggregate 64.47.0.0/16 4637 3356 19855
  64.138.0.0/17        4637 10026 19855       
  64.138.8.0/23        4637 10026 19855     - Withdrawn - matching aggregate 64.138.0.0/17 4637 10026 19855
  64.138.128.0/18      4637 3356 19855        
  80.241.64.0/20       4637 3356 19855        
  140.242.27.0/24      4637 3356 19855        
  140.242.35.0/24      4637 3356 19855        
  140.242.42.0/23      4637 3356 19855      + Announce - aggregate of 140.242.42.0/24 (4637 3356 19855) and 140.242.43.0/24 (4637 3356 19855)
  140.242.42.0/24      4637 3356 19855      - Withdrawn - aggregated with 140.242.43.0/24 (4637 3356 19855)
  140.242.43.0/24      4637 3356 19855      - Withdrawn - aggregated with 140.242.42.0/24 (4637 3356 19855)
  140.242.44.0/22      4637 3356 19855      + Announce - aggregate of 140.242.44.0/23 (4637 3356 19855) and 140.242.46.0/23 (4637 3356 19855)
  140.242.44.0/24      4637 3356 19855      - Withdrawn - aggregated with 140.242.45.0/24 (4637 3356 19855)
  140.242.45.0/24      4637 3356 19855      - Withdrawn - aggregated with 140.242.44.0/24 (4637 3356 19855)
  140.242.46.0/24      4637 3356 19855      - Withdrawn - aggregated with 140.242.47.0/24 (4637 3356 19855)
  140.242.47.0/24      4637 3356 19855      - Withdrawn - aggregated with 140.242.46.0/24 (4637 3356 19855)
  168.114.101.0/24     4637 3356 19855        
  198.152.60.0/24      4637 3356 19855        
  199.33.227.0/24      4637 3356 19855        
  216.228.232.0/24     4637 10026 19855       

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

AS19855   15 More Specifics   20 Total Advertisements   ASN-MASERGY-US Masergy US Autonomous System
    64.47.150.0/24                64.47.0.0/16
    64.47.154.0/24                64.47.0.0/16
    64.138.8.0/23                 64.138.0.0/17
    140.242.27.0/24               140.242.0.0/16
    140.242.35.0/24               140.242.0.0/16
    140.242.42.0/24               140.242.0.0/16
    140.242.43.0/24               140.242.0.0/16
    140.242.44.0/24               140.242.0.0/16
    140.242.45.0/24               140.242.0.0/16
    140.242.46.0/24               140.242.0.0/16
    140.242.47.0/24               140.242.0.0/16
    168.114.101.0/24              168.114.0.0/16
    198.152.60.0/24               198.152.0.0/16
    204.75.85.0/24                204.75.64.0/18
    216.228.232.0/24              216.228.224.0/20

Whois Entry

whois: 402332

IANA has recorded AS19855 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19855\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:       19855
             ASName:         MASERGY
             ASHandle:       AS19855
             RegDate:        2001-02-21
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/19855
             
             
             OrgName:        Masergy Communications, Inc.
             OrgId:          MSRG
             Address:        2740 NORTH DALLAS PARKWAY
             Address:        SUITE 260
             City:           Plano
             StateProv:      TX
             PostalCode:     75093
             Country:        US
             RegDate:        
             Updated:        2024-11-25
             Comment:        http://www.masergy.com
             Comment:        1-877-4MASERGY
             Ref:            https://rdap.arin.net/registry/entity/MSRG
             
             
             OrgTechHandle: ZM130-ARIN
             OrgTechName:   Masergy Communications
             OrgTechPhone:  +1-877-462-7374 
             OrgTechEmail:  chq--masergy-tcif@comcast.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ZM130-ARIN
             
             OrgNOCHandle: MASER-ARIN
             OrgNOCName:   Masergy-NOC
             OrgNOCPhone:  +1-877-462-7374 
             OrgNOCEmail:  noc@masergy.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MASER-ARIN
             
             OrgAbuseHandle: MASER1-ARIN
             OrgAbuseName:   Masergy-Abuse
             OrgAbusePhone:  +1-866-885-5558 
             OrgAbuseEmail:  abuse@masergy.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MASER1-ARIN
             
             RTechHandle: ZM130-ARIN
             RTechName:   Masergy Communications
             RTechPhone:  +1-877-462-7374 
             RTechEmail:  chq--masergy-tcif@comcast.com
             RTechRef:    https://rdap.arin.net/registry/entity/ZM130-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.
             #