ASN Lookup Tool

Masergy Communications, Inc. masergy.com US US 102 Routes

AS Data

AS19855

AS19855 – Masergy Communications, Inc.

AS Number 19855
AS Name MASERGY
Organization Masergy Communications, Inc. (msrg)
Country US
Website masergy.com
Number of IPv4 Routes 97
Number of IPv6 Routes 5
ASN type ISP
Registry ARIN
Date Allocated 2001-02-21

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IP Ranges

Route # IPs
198.73.224.0/24 256
64.47.252.0/24 256
64.138.8.0/23 512
65.96.128.0/18 16384
64.47.164.0/24 256
64.47.84.0/22 1024
64.138.156.0/22 1024
64.47.50.0/23 512
64.47.62.0/23 512
204.139.40.0/24 256
64.138.26.0/24 256
64.47.188.0/22 1024
64.47.107.0/24 256
64.47.76.0/22 1024
64.138.128.0/22 1024
185.60.31.0/24 256
64.138.128.0/18 16384
64.47.56.0/23 512
64.47.120.0/22 1024
2402:2100::/32 ~79×10²⁷
64.138.150.0/24 256
64.47.228.0/22 1024
93.187.16.0/21 2048
64.47.28.0/23 512
64.138.137.0/24 256
140.242.146.0/24 256
64.47.214.0/24 256
64.47.14.0/24 256
64.47.197.0/24 256
140.242.147.0/24 256
64.47.128.0/24 256
64.47.5.0/24 256
64.138.10.0/23 512
65.96.0.0/18 16384
64.47.30.0/23 512
64.47.160.0/22 1024
64.47.46.0/24 256
192.197.247.0/24 256
64.47.246.0/23 512
64.47.238.0/24 256
64.47.36.0/23 512
64.138.0.0/17 32768
64.47.18.0/24 256
80.241.64.0/20 4096
94.199.128.0/21 2048
64.47.4.0/24 256
64.47.96.0/22 1024
64.138.134.0/24 256
64.47.21.0/24 256
64.47.112.0/22 1024
64.138.140.0/22 1024
64.47.232.0/24 256
64.138.133.0/24 256
64.47.0.0/16 65536
45.45.151.0/24 256
64.47.3.0/24 256
64.47.217.0/24 256
2a03:6580::/32 ~79×10²⁷
64.47.118.0/24 256
64.47.218.0/24 256

Raw Whois Response

#
# 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


OrgAbuseHandle: MASER1-ARIN
OrgAbuseName:   Masergy-Abuse
OrgAbusePhone:  +1-877-462-7374 
OrgAbuseEmail:  abuse@masergy.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MASER1-ARIN

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

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.
#

Parsed Whois Response

Peers

AS Number Description Country
AS14514 Paul, Hastings, Janofsky & Walker LLP US
AS7474 SingTel Optus Pty Ltd AU
AS33491 Comcast Cable Communications, LLC US
AS16541 Erickson Living Management, LLC US
AS33014 MARLIN LEASING CORPORATION US
AS33054 McCracken Financial Software US
AS20340 CallTower, Inc. US
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS12222 Akamai Technologies, Inc. US
AS22775 Moore Capital Management US
AS40399 Masergy Cloud Communications, Inc. US
AS13860 Lincoln National Corporation US
AS3491 PCCW Global HK Limited HK
AS15027 Foley Hoag LLP US
AS1000 LINK AMERICAN US
AS543 HP Inc. US
AS26428 The Talbots, Inc. US
AS7473 Singapore Telecommunications Ltd SG
AS7922 Comcast Cable Communications, LLC US
AS3491 PCCW Global HK
AS20427 American Association of Airport Executives US
AS12956 TELXIUS Cable ES
AS1239 Cogent Communications, LLC US
AS394301 Dexcom, INC. US
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS174 Cogent Communications, LLC US
AS15126 Suzuki Marine USA, LLC US
AS12956 TELEFONICA GLOBAL SOLUTIONS SL ES
AS11199 showNets LLC US
AS3356 Level 3 Parent, LLC US
AS23406 CHOATE, HALL & STEWART, LLP US

Upstreams

AS Number Description Country
AS7474 SingTel Optus Pty Ltd AU
AS33491 Comcast Cable Communications, LLC US
AS12956 TELXIUS Cable ES
AS3491 PCCW Global HK Limited HK
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US
AS7922 Comcast Cable Communications, LLC US

Downstreams

AS Number Description Country
AS14514 Paul, Hastings, Janofsky & Walker LLP US
AS20427 American Association of Airport Executives US
AS16541 Erickson Living Management, LLC US
AS33014 MARLIN LEASING CORPORATION US
AS394301 Dexcom, INC. US
AS33054 McCracken Financial Software US
AS20340 CallTower, Inc. US
AS12222 Akamai Technologies, Inc. US
AS40399 Masergy Cloud Communications, Inc. US
AS22775 Moore Capital Management US

Contacts

Email Contacts

chq--masergy-tcif@comcast.com

Abuse Contacts

abuse@masergy.com

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Frequently Asked Questions

ASN AS19855 is an Autonomous System Number used to identify a network for BGP internet routing.
AS19855 is listed under Masergy Communications, Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.