AS19855 Masergy Communications, Inc. 🇺🇸 US

Announcing 103 prefixes, seen at the RIS collectors.

IPv4 prefixes

198,400 (775 × /24)

IPv6 prefixes

3 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS19855
Name: Masergy Communications, Inc.
Organisation: Masergy Communications, Inc.
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2001-02-21

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

4 valid (3.9%) 0 invalid (0.0%) 99 no ROA (96.1%)

Whois

Fetched from whois.arin.net

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:        7900 Windrose Ave
Address:        Ste 8200S
City:           Plano
StateProv:      TX
PostalCode:     75024
Country:        US
RegDate:
Updated:        2026-09-21
Comment:        http://www.masergy.com
Comment:        1-877-4MASERGY
Ref:            https://rdap.arin.net/registry/entity/MSRG

OrgNOCHandle: MASER-ARIN
OrgNOCName:   Masergy-NOC
OrgNOCPhone:  +1-877-462-7374
OrgNOCEmail:  noc@masergy.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MASER-ARIN

OrgTechHandle: ZM130-ARIN
OrgTechName:   Masergy Communications
OrgTechPhone:  +1-877-462-7374
OrgTechEmail:  arin@masergy.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZM130-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:  arin@masergy.com
RTechRef:    https://rdap.arin.net/registry/entity/ZM130-ARIN