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 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.

19855 MASERGY - Masergy Communications, Inc., US

  Adjacency:    19  Upstream:     6  Downstream:    13
  Upstream Adjacent AS list
    AS7474          OPTUSCOM-AS01-AU SingTel Optus Pty Ltd, AU
    AS12956         TELXIUS TELXIUS Cable, ES
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS3491          PCCWG-APAC-HK PCCW Global HK Ltd., HK
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
    AS33491         COMCAST-33491 - Comcast Cable Communications, LLC, US
  Downstream Adjacent AS list
    AS394301        DEXCOM-INC - Dexcom, INC., US
    AS400084        CSLSL-EMEDNY-PUBLIC - CSRA State and Local Solutions LLC, US
    AS892           EBSI-ISP-FO-01 - Emergent Biosolutions, US
    AS20340         CALLTOWER - CallTower, Inc., US
    AS14514         PHJW - Paul, Hastings, Janofsky & Walker LLP, US
    AS15126         SMAI - Suzuki Marine USA, LLC, US
    AS26428         TALBOTS - The Talbots, Inc., US
    AS22775         MOORECAP - Moore Capital Management, US
    AS15027         FH-ASN-15027 - Foley Hoag LLP, US
    AS40399         MASERGY-CLOUD-COMMUNICATIONS - Masergy Cloud Communications, Inc., US
    AS543           HP-POLY - HP Inc., US
    AS399085        MASERGY-SASE - Masergy Communications, Inc., US
    AS33014         MARLINLEASING - MARLIN LEASING CORPORATION, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1317  AS19855        ORG+TRN Originate:     198144 /14.40  Transit:       5888 /19.48 MASERGY - Masergy Communications, 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       %
 1540 AS19855       MASERGY - Masergy Communications, Inc., US        97     44      6     59     38  39.18%


  Prefix               AS Path                              Aggregation Suggestion
  64.47.0.0/16         4777 2497 3356 19855   
  64.47.0.0/23         4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.3.0/24         4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.4.0/24         4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.5.0/24         4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.14.0/24        4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.18.0/24        4777 2516 7922 19855   
  64.47.21.0/24        4777 2516 7922 19855   
  64.47.24.0/24        4777 2516 7922 19855   
  64.47.27.0/24        4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.28.0/22        4777 2516 7922 19855 + Announce - aggregate of 64.47.28.0/23 (4777 2516 7922 19855) and 64.47.30.0/23 (4777 2516 7922 19855)
  64.47.28.0/23        4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.30.0/23 (4777 2516 7922 19855)
  64.47.30.0/23        4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.28.0/23 (4777 2516 7922 19855)
  64.47.36.0/23        4777 2516 7922 19855   
  64.47.40.0/23        4777 2516 7922 19855   
  64.47.43.0/24        4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.46.0/24        4777 2516 7922 19855   
  64.47.48.0/24        4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.50.0/23        4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.56.0/23        4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.61.0/24        4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.62.0/23        4777 2516 7922 19855   
  64.47.72.0/21        4777 2516 7922 19855 + Announce - aggregate of 64.47.72.0/22 (4777 2516 7922 19855) and 64.47.76.0/22 (4777 2516 7922 19855)
  64.47.72.0/22        4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.76.0/22 (4777 2516 7922 19855)
  64.47.76.0/22        4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.72.0/22 (4777 2516 7922 19855)
  64.47.84.0/22        4777 2516 7922 19855   
  64.47.88.0/22        4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.92.0/22        4777 2516 7922 19855   
  64.47.96.0/21        4777 2516 7922 19855 + Announce - aggregate of 64.47.96.0/22 (4777 2516 7922 19855) and 64.47.100.0/22 (4777 2516 7922 19855)
  64.47.96.0/22        4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.100.0/22 (4777 2516 7922 19855)
  64.47.100.0/22       4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.96.0/22 (4777 2516 7922 19855)
  64.47.105.0/24       4777 2516 1299 12956 19855   
  64.47.107.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.112.0/22       4777 2516 7922 19855   
  64.47.117.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.118.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.120.0/22       4777 2516 7922 19855   
  64.47.128.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.160.0/22       4777 2516 7922 19855   
  64.47.164.0/22       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.164.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.169.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.180.0/24       4777 2516 7922 19855   
  64.47.184.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.187.0/24       4777 2516 7922 19855   
  64.47.188.0/22       4777 2516 7922 19855   
  64.47.197.0/24       4777 2497 3491 19855   
  64.47.208.0/22       4777 2516 7922 19855   
  64.47.214.0/24       4777 2516 7922 19855   
  64.47.216.0/23       4777 2516 7922 19855 + Announce - aggregate of 64.47.216.0/24 (4777 2516 7922 19855) and 64.47.217.0/24 (4777 2516 7922 19855)
  64.47.216.0/24       4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.217.0/24 (4777 2516 7922 19855)
  64.47.217.0/24       4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.216.0/24 (4777 2516 7922 19855)
  64.47.218.0/24       4777 2516 7922 19855   
  64.47.224.0/22       4777 2516 7922 19855   
  64.47.228.0/22       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.232.0/24       4777 2516 7922 19855   
  64.47.233.0/24       4777 2516 1299 12956 19855   
  64.47.235.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.238.0/24       4777 2516 7922 19855   
  64.47.241.0/24       4777 2516 7922 19855   
  64.47.242.0/24       4777 2516 7922 19855   
  64.47.246.0/23       4777 2497 3356 19855 - Withdrawn - matching aggregate 64.47.0.0/16 4777 2497 3356 19855
  64.47.252.0/23       4777 2516 7922 19855 + Announce - aggregate of 64.47.252.0/24 (4777 2516 7922 19855) and 64.47.253.0/24 (4777 2516 7922 19855)
  64.47.252.0/24       4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.253.0/24 (4777 2516 7922 19855)
  64.47.253.0/24       4777 2516 7922 19855 - Withdrawn - aggregated with 64.47.252.0/24 (4777 2516 7922 19855)
  64.138.0.0/17        4777 2497 3491 19855   
  64.138.2.0/23        4777 2497 3491 19855 - Withdrawn - matching aggregate 64.138.0.0/17 4777 2497 3491 19855
  64.138.4.0/23        4777 2497 3491 19855 - Withdrawn - matching aggregate 64.138.0.0/17 4777 2497 3491 19855
  64.138.6.0/23        4777 2516 3491 19855   
  64.138.8.0/23        4608 1221 7474 19855   
  64.138.10.0/23       4777 2497 3491 19855 - Withdrawn - matching aggregate 64.138.0.0/17 4777 2497 3491 19855
  64.138.20.0/22       4608 1221 7474 19855   
  64.138.26.0/24       4777 2497 3491 19855 - Withdrawn - matching aggregate 64.138.0.0/17 4777 2497 3491 19855
  64.138.31.0/24       4777 2497 3356 19855   
  64.138.128.0/18      4777 2497 3491 19855   
  64.138.128.0/22      4777 2497 3491 19855 - Withdrawn - matching aggregate 64.138.128.0/18 4777 2497 3491 19855
  64.138.133.0/24      4777 2516 7922 19855 19855 19855   
  64.138.134.0/24      4777 2516 7922 19855 19855 19855   
  64.138.137.0/24      4777 2497 2914 12956 19855   
  64.138.140.0/22      4777 2497 3491 19855 - Withdrawn - matching aggregate 64.138.128.0/18 4777 2497 3491 19855
  64.138.144.0/22      4777 2497 3491 19855 - Withdrawn - matching aggregate 64.138.128.0/18 4777 2497 3491 19855
  64.138.149.0/24      4777 2516 7922 19855 19855 19855   
  64.138.150.0/24      4777 2516 7922 19855 19855 19855   
  64.138.153.0/24      4777 2497 2914 12956 19855   
  64.138.156.0/22      4777 2497 3491 19855 - Withdrawn - matching aggregate 64.138.128.0/18 4777 2497 3491 19855
  65.96.0.0/18         4777 2497 3491 19855   
  65.96.128.0/18       4608 1221 7474 19855   
  74.116.49.0/24       4777 2497 3491 19855   
  80.241.64.0/20       4777 2497 3356 19855   
  93.187.16.0/21       4777 2497 3356 19855   
  94.199.128.0/21      4777 2497 3356 19855   
  140.242.146.0/23     4777 2497 3356 19855 + Announce - aggregate of 140.242.146.0/24 (4777 2497 3356 19855) and 140.242.147.0/24 (4777 2497 3356 19855)
  140.242.146.0/24     4777 2497 3356 19855 - Withdrawn - aggregated with 140.242.147.0/24 (4777 2497 3356 19855)
  140.242.147.0/24     4777 2497 3356 19855 - Withdrawn - aggregated with 140.242.146.0/24 (4777 2497 3356 19855)
  169.143.243.0/24     4777 2497 3491 19855   
  185.60.28.0/22       4777 2497 3356 19855   
  185.60.31.0/24       4777 2497 3356 19855 - Withdrawn - matching aggregate 185.60.28.0/22 4777 2497 3356 19855
  192.131.149.0/24     4777 2497 3356 19855   
  192.197.247.0/24     4777 2497 3356 19855   
  198.73.224.0/24      4777 2497 3356 19855   
  204.139.40.0/24      4777 2516 7922 33491 19855   
  204.139.45.0/24      4777 2516 7922 33491 19855   
  204.139.49.0/24      4777 2516 7922 33491 19855   

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

AS19855   86 More Specifics   97 Total Advertisements   MASERGY - Masergy Communications, Inc., US
    64.47.0.0/23                  64.47.0.0/16
    64.47.3.0/24                  64.47.0.0/16
    64.47.4.0/24                  64.47.0.0/16
    64.47.5.0/24                  64.47.0.0/16
    64.47.14.0/24                 64.47.0.0/16
    64.47.18.0/24                 64.47.0.0/16
    64.47.21.0/24                 64.47.0.0/16
    64.47.24.0/24                 64.47.0.0/16
    64.47.27.0/24                 64.47.0.0/16
    64.47.28.0/23                 64.47.0.0/16
    64.47.30.0/23                 64.47.0.0/16
    64.47.36.0/23                 64.47.0.0/16
    64.47.40.0/23                 64.47.0.0/16
    64.47.43.0/24                 64.47.0.0/16
    64.47.46.0/24                 64.47.0.0/16
    64.47.48.0/24                 64.47.0.0/16
    64.47.50.0/23                 64.47.0.0/16
    64.47.56.0/23                 64.47.0.0/16
    64.47.61.0/24                 64.47.0.0/16
    64.47.62.0/23                 64.47.0.0/16
    64.47.72.0/22                 64.47.0.0/16
    64.47.76.0/22                 64.47.0.0/16
    64.47.84.0/22                 64.47.0.0/16
    64.47.88.0/22                 64.47.0.0/16
    64.47.92.0/22                 64.47.0.0/16
    64.47.96.0/22                 64.47.0.0/16
    64.47.100.0/22                64.47.0.0/16
    64.47.105.0/24                64.47.0.0/16
    64.47.107.0/24                64.47.0.0/16
    64.47.112.0/22                64.47.0.0/16
    64.47.117.0/24                64.47.0.0/16
    64.47.118.0/24                64.47.0.0/16
    64.47.120.0/22                64.47.0.0/16
    64.47.128.0/24                64.47.0.0/16
    64.47.160.0/22                64.47.0.0/16
    64.47.164.0/22                64.47.0.0/16
    64.47.164.0/24                64.47.0.0/16
    64.47.169.0/24                64.47.0.0/16
    64.47.180.0/24                64.47.0.0/16
    64.47.184.0/24                64.47.0.0/16
    64.47.187.0/24                64.47.0.0/16
    64.47.188.0/22                64.47.0.0/16
    64.47.197.0/24                64.47.0.0/16
    64.47.208.0/22                64.47.0.0/16
    64.47.214.0/24                64.47.0.0/16
    64.47.216.0/24                64.47.0.0/16
    64.47.217.0/24                64.47.0.0/16
    64.47.218.0/24                64.47.0.0/16
    64.47.224.0/22                64.47.0.0/16
    64.47.228.0/22                64.47.0.0/16
    64.47.232.0/24                64.47.0.0/16
    64.47.233.0/24                64.47.0.0/16
    64.47.235.0/24                64.47.0.0/16
    64.47.238.0/24                64.47.0.0/16
    64.47.241.0/24                64.47.0.0/16
    64.47.242.0/24                64.47.0.0/16
    64.47.246.0/23                64.47.0.0/16
    64.47.252.0/24                64.47.0.0/16
    64.47.253.0/24                64.47.0.0/16
    64.138.2.0/23                 64.138.0.0/17
    64.138.4.0/23                 64.138.0.0/17
    64.138.6.0/23                 64.138.0.0/17
    64.138.8.0/23                 64.138.0.0/17
    64.138.10.0/23                64.138.0.0/17
    64.138.20.0/22                64.138.0.0/17
    64.138.26.0/24                64.138.0.0/17
    64.138.31.0/24                64.138.0.0/17
    64.138.128.0/22               64.138.128.0/18
    64.138.133.0/24               64.138.128.0/18
    64.138.134.0/24               64.138.128.0/18
    64.138.137.0/24               64.138.128.0/18
    64.138.140.0/22               64.138.128.0/18
    64.138.144.0/22               64.138.128.0/18
    64.138.149.0/24               64.138.128.0/18
    64.138.150.0/24               64.138.128.0/18
    64.138.153.0/24               64.138.128.0/18
    64.138.156.0/22               64.138.128.0/18
    65.96.0.0/18                  65.96.0.0/16
    65.96.128.0/18                65.96.0.0/16
    140.242.146.0/24              140.242.0.0/16
    140.242.147.0/24              140.242.0.0/16
    169.143.243.0/24              169.143.0.0/16
    185.60.31.0/24                185.60.28.0/22
    204.139.40.0/24               204.139.32.0/20
    204.139.45.0/24               204.139.32.0/20
    204.139.49.0/24               204.139.48.0/22

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.
             #