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Data as of Nov 4, 2026

64.138.4.0/23

No anonymizer space · no proxy exits in 30 days

Masergy Communications, Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS19855
Type
Internet provider
96% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
64.138.0.0/17
since May 2005
AS19855Internet provider1Masergy Communications, Inc.

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
64.138.0.0 - 64.138.191.25549,152MSGY-BLK2Masergy Communications, Inc. (MSRG) · USDirect AllocationAug 3, 2000[email protected]
└ 64.138.4.2/312MB2601129unknown———
└ 64.138.4.26/312MB939844unknown———
└ 64.138.4.30/312MB1016682unknown———
└ 64.138.4.32/298FIG-LLCunknown———
└ 64.138.4.70/312MB932811unknown———
└ 64.138.4.84/312NORGES-BANKunknown———
└ 64.138.4.128/304MB1051892unknown———
└ 64.138.4.136/304MB1138350unknown———
└ 64.138.4.144/304MB1051883unknown———
└ 64.138.4.158/312MB2543524unknown———
└ 64.138.4.160/298BRBN-64-138-4-160unknown———
└ 64.138.4.168/298FIG-LLCunknown———
└ 64.138.4.176/304MB767922unknown———
└ 64.138.4.184/298MB763179unknown———
└ 64.138.4.192/298MB853642unknown———
└ 64.138.4.204/312MB1083778-IIMunknown———
└ 64.138.4.232/304MB2581266unknown———
└ 64.138.4.240/298BRBN-64-138-4-240unknown———
└ 64.138.4.248/298BRBN-64-138-4-248unknown———
└ 64.138.5.46/321MB1051892-NATunknown———
└ 64.138.5.48/298MB819399unknown———
└ 64.138.5.56/298MB2603320unknown———
└ 64.138.5.72/298MB931285unknown———
└ 64.138.5.80/298MB248815unknown———
└ 64.138.5.92/304MB1049733unknown———
└ 64.138.5.112/298MB465561-WANunknown———
└ 64.138.5.132/312SONOVA-AGunknown———
└ 64.138.5.134/312MB882180unknown———
└ 64.138.5.162/312MB1128940unknown———
└ 64.138.5.164/312MB1091413unknown———
└ 64.138.5.166/312MB1194596unknown———
└ 64.138.5.168/312MB1216214-IIMunknown———
└ 64.138.5.170/312MB1540253unknown———
└ 64.138.5.172/312MB1540532unknown———
└ 64.138.5.174/312MB1540346unknown———
└ 64.138.5.218/312MB1549097unknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

512 addresses
TypeAddressesShareRanges
Internet provider49296%5
Business203.9%4

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS19855

US
Name
Masergy Communications, Inc.
Type
Internet provider
Registered
Feb 21, 2001
Domain
masergy.com
Spamhaus ASN-DROP
not listed