AS19855 Masergy Communications, Inc.

The website screenshot for http://masergy.com

Masergy Communications, Inc.

AS Number 19855
Website http://masergy.com

Registered on: 21 Feb 2001 (24 years old)
Registered to: ARIN-MSRG (arin)

Network status: Active, Allocated under ARIN

Network type: Eyeball

Prefixes Originated: 97 IPv4, 5 IPv6

Upstreams

AS3356 - Lumen (Level 3)
AS7473 - Singapore Telecommunications Ltd
AS7922 - Comcast Cable Communications, LLC
AS3491 - PCCW Global, Inc.
AS12956 - Telxius (Telefonica Global)
AS7474 - SingTel Optus Pty Ltd
AS33491 - Comcast Cable Communications, LLC
AS174 - Cogent Communications, LLC

Rankings

#139 for Originated IPv6 Space in United States

Tags:

	Prefix	Description
	64.47.0.0/23	Masergy Communications, Inc.
	64.47.0.0/16	Masergy Communications, Inc.
	64.47.3.0/24	Masergy Communications, Inc.
	64.47.4.0/24	Masergy Communications, Inc.
	64.47.5.0/24	Masergy Communications, Inc.
	64.47.14.0/24	Masergy Communications, Inc.
	64.47.18.0/24	Masergy Communications, Inc.
	64.47.21.0/24	Masergy Communications, Inc.
	64.47.24.0/24	Masergy Communications, Inc.
	64.47.27.0/24	Masergy Communications, Inc.
	64.47.28.0/23	Masergy Communications, Inc.
	64.47.30.0/23	Masergy Communications, Inc.
	64.47.36.0/23	Masergy Communications, Inc.
	64.47.40.0/23	Masergy Communications, Inc.
	64.47.43.0/24	Masergy Communications, Inc.
	64.47.46.0/24	Masergy Communications, Inc.
	64.47.48.0/24	Masergy Communications, Inc.
	64.47.50.0/23	Masergy Communications, Inc.
	64.47.56.0/23	Masergy Communications, Inc.
	64.47.61.0/24	Masergy Communications, Inc.
	64.47.62.0/23	Masergy Communications, Inc.
	64.47.72.0/22	Masergy Communications, Inc.
	64.47.76.0/22	Masergy Communications, Inc.
	64.47.84.0/22	Masergy Communications, Inc.
	64.47.88.0/22	Masergy Communications, Inc.
	64.47.92.0/22	Masergy Communications, Inc.
	64.47.96.0/22	Masergy Communications, Inc.
	64.47.100.0/22	Masergy Communications, Inc.
	64.47.105.0/24	Masergy Communications, Inc.
	64.47.107.0/24	Masergy Communications, Inc.
	64.47.112.0/22	Masergy Communications, Inc.
	64.47.117.0/24	Masergy Communications, Inc.
	64.47.118.0/24	Masergy Communications, Inc.
	64.47.120.0/22	Masergy Communications, Inc.
	64.47.128.0/24	Masergy Communications, Inc.
	64.47.160.0/22	Masergy Communications, Inc.
	64.47.164.0/22	Masergy Communications, Inc.
	64.47.164.0/24	Masergy Communications, Inc.
	64.47.169.0/24	Cotton Incorporated
	64.47.180.0/24	Masergy Communications, Inc.
	64.47.184.0/24	Masergy Communications, Inc.
	64.47.187.0/24	Masergy Communications, Inc.
	64.47.188.0/22	Masergy Communications, Inc.
	64.47.208.0/22	Masergy Communications, Inc.
	64.47.214.0/24	Masergy Communications, Inc.
	64.47.216.0/24	Masergy Communications, Inc.
	64.47.217.0/24	Masergy Communications, Inc.
	64.47.218.0/24	Masergy Communications, Inc.
	64.47.224.0/22	Masergy Communications, Inc.
	64.47.228.0/22	Masergy Communications, Inc.
	64.47.232.0/24	Masergy Communications, Inc.
	64.47.233.0/24	Masergy Communications, Inc.
	64.47.235.0/24	Masergy Communications, Inc.
	64.47.238.0/24	Masergy Communications, Inc.
	64.47.241.0/24	Masergy Communications, Inc.
	64.47.242.0/24	Masergy Communications, Inc.
	64.47.246.0/23	Masergy Communications, Inc.
	64.47.252.0/24	Masergy Communications, Inc.
	64.47.253.0/24	Masergy Communications, Inc.
	64.138.0.0/17	Masergy Communications, Inc.
	64.138.2.0/23	Masergy Communications, Inc.
	64.138.4.0/23	Masergy Communications, Inc.
	64.138.6.0/23	Masergy Communications, Inc.
	64.138.8.0/23	Masergy Communications, Inc.
	64.138.10.0/23	Masergy Communications, Inc.
	64.138.20.0/22	Masergy Communications, Inc.
	64.138.26.0/24	Masergy Communications, Inc.
	64.138.31.0/24	Masergy Communications, Inc.
	64.138.128.0/18	Masergy Communications, Inc.
	64.138.128.0/22	Masergy Communications, Inc.
	64.138.133.0/24	CB Masergy
	64.138.134.0/24	CB Masergy
	64.138.137.0/24	CB Masergy
	64.138.140.0/22	Masergy Communications, Inc.
	64.138.144.0/22	Masergy Communications, Inc.
	64.138.149.0/24	Masergy Communications, Inc.
	64.138.150.0/24	Masergy Communications, Inc.
	64.138.153.0/24	Masergy Communications, Inc.
	64.138.156.0/22	Masergy Communications, Inc.
	65.96.0.0/18	Comcast Cable Communications, LLC
	65.96.128.0/18	Comcast Cable Communications, LLC
	74.116.49.0/24	Rudolph Technologies, Inc.
	80.241.64.0/20	Masergy Communications, Inc
	93.187.16.0/21	Masergy Communications, Inc
	94.199.128.0/21	Masergy Communications, Inc
	140.242.146.0/24	HP Inc.
	140.242.147.0/24	HP Inc.
	169.143.243.0/24	Jeppesen ForeFlight Inc.
	185.60.28.0/22	Masergy Communications, Inc
	185.60.31.0/24	Masergy Communications, Inc
	192.131.149.0/24	Peabody Holding Company, LLC
	192.197.247.0/24	Hitachi High -Tech America
	198.73.224.0/24	Blount International, Inc
	204.139.40.0/24	AAR Corp.
	204.139.45.0/24	AAR Corp.
	204.139.49.0/24	AAR Corp.
	64.47.197.0/24	Masergy Communications, Inc.
	2400:7160:2000::/44	COMCAST INDIA ENGINEERING CENTER I LLP
	2400:7160:2020::/44	COMCAST INDIA ENGINEERING CENTER I LLP
	2402:2100::/32	Masergy Communications, INC
	2607:fa70::/32	Masergy Communications, Inc.
	2a03:6580::/32	Masergy Communications, Inc

Peers: 29

Upstreams: 9

Downstreams: 19 (Cone: 20)

Network Policy

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How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS3356	Lumen (Level 3)	✔	✔
AS7473	Singapore Telecommunications Ltd	✔	✔
AS7922	Comcast Cable Communications, LLC	✔	✔
AS3491	PCCW Global, Inc.	✔	✔
AS12956	Telxius (Telefonica Global)	✔	✔
AS7474	SingTel Optus Pty Ltd	✔	✔
AS33491	Comcast Cable Communications, LLC	✔	✘
AS174	Cogent Communications, LLC	✔	✔
AS6939	Hurricane Electric LLC	✔	✘

Peers

ASN	Description	IPv4	IPv6
AS3356	Lumen (Level 3)	✔	✔
AS7922	Comcast Cable Communications, LLC	✔	✔
AS7473	Singapore Telecommunications Ltd	✔	✔
AS3491	PCCW Global, Inc.	✔	✔
AS12222	Akamai Technologies, Inc.	✔	✔
AS40399	Masergy Cloud Communications, Inc.	✔	✘
AS7474	SingTel Optus Pty Ltd	✔	✔
AS12956	Telxius (Telefonica Global)	✔	✔
AS394944	CCC Intelligent Solutions Inc.	✔	✘
AS6939	Hurricane Electric LLC	✔	✘
AS26428	The Talbots, Inc.	✔	✘
AS33491	Comcast Cable Communications, LLC	✔	✘
AS543	HP Inc.	✔	✘
AS174	Cogent Communications, LLC	✔	✔
AS15027	Foley Hoag LLP	✔	✘
AS892	Emergent Biosolutions	✔	✘
AS203177	BCS Global Networks Limited	✔	✘
AS20340	CallTower, Inc.	✔	✘
AS15126	Suzuki Marine USA, LLC	✔	✘
AS14514	Paul, Hastings, Janofsky & Walker LLP	✔	✘
AS399085	Masergy Communications, Inc.	✔	✘
AS394301	Dexcom, INC.	✔	✘
AS400084	CSRA State and Local Solutions LLC	✔	✘
AS33014	MARLIN LEASING CORPORATION	✔	✘
AS21780	GRIFFITH FOODS INC.	✔	✘
AS22775	Moore Capital Management	✔	✘
AS13860	Lincoln National Corporation	✔	✘
AS20427	American Association of Airport Executives	✔	✘
AS1239	Sprint Wireline (Cogent)	✔	✘

Downstreams

ASN	Description	IPv4	IPv6
AS12222	Akamai Technologies, Inc.	✔	✔
AS26428	The Talbots, Inc.	✔	✘
AS543	HP Inc.	✔	✘
AS15027	Foley Hoag LLP	✔	✘
AS20340	CallTower, Inc.	✔	✘
AS892	Emergent Biosolutions	✔	✘
AS203177	BCS Global Networks Limited	✔	✘
AS15126	Suzuki Marine USA, LLC	✔	✘
AS394301	Dexcom, INC.	✔	✘
AS21780	GRIFFITH FOODS INC.	✔	✘
AS394944	CCC Intelligent Solutions Inc.	✔	✘
AS22775	Moore Capital Management	✔	✘
AS13860	Lincoln National Corporation	✔	✘
AS20427	American Association of Airport Executives	✔	✘
AS14514	Paul, Hastings, Janofsky & Walker LLP	✔	✘
AS33014	MARLIN LEASING CORPORATION	✔	✘
AS399085	Masergy Communications, Inc.	✔	✘
AS400084	CSRA State and Local Solutions LLC	✔	✘
AS40399	Masergy Cloud Communications, Inc.	✔	✘

ASHandle:       AS19855
OrgID:          MSRG
ASName:         MASERGY
ASNumber:       19855
RegDate:        2001-02-21
Updated:        2012-03-02
TechHandle:     ZM130-ARIN
Source:         ARIN



OrgID:          MSRG
OrgName:        Masergy Communications, Inc.
CanAllocate:    
Street:         2740 NORTH DALLAS PARKWAY
Street:         SUITE 260
City:           Plano
State/Prov:     TX
Country:        US
PostalCode:     75093
Comment:        http://www.masergy.com
Comment:        1-877-4MASERGY
RegDate:        1970-01-01
Updated:        2024-11-25
OrgAdminHandle: TVC1-ARIN
OrgTechHandle:  ZM130-ARIN
OrgAbuseHandle: MASER1-ARIN
OrgNOCHandle:   MASER-ARIN
Source:         ARIN





OrgAdminHandle:       TVC1-ARIN
OrgAdminName:         Terry Castellanos
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ZM130-ARIN
OrgTechName:           Masergy Communications
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       MASER1-ARIN
OrgAbuseName:          Masergy-Abuse
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         MASER-ARIN
OrgNOCName:            Masergy-NOC
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           ZM130-ARIN
TechName:              Masergy Communications
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:31:18Z UTC

Member of the following AS-SETs

-	Member
RADB	as-cais6
LEVEL3	as-19855
ARIN	as-xo-b
LEVEL3	as-level3-customers-na
RADB	as-singnet
LEVEL3	as-level3-origins-na
RADB	as-vsnl-in
LEVEL3	as-level3-origins-eu
ARIN	as19855:as-all
RADB	as-optus
RADB	as7473:as-customers:as3758
LEVEL3	as-level3-customers-eu
APNIC	as7474:as-customers
ALTDB	as51202:as-all
ARIN	as19855:as-customers
RADB	as3491:as-customers-ap
ARIN	as-xo
LEVEL3	as-lumen-customers-asns
RADB	as7473:as-customers:as19855
RIPE	as-level3-ipv6
RADB	as-anc-customer-proxy-register
RADB	as-hurricanev6

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Upstreams

Rankings

Tags:

Network Policy

Prefixes in selected policy

Upstreams

Peers

Downstreams

Member of the following AS-SETs