LAYER3 INTEL
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Data as of Nov 10, 2026

63.76.66.0/23

No anonymizer space · no proxy exits in 30 days

EZE Castle Integration Inc. · reallocated from Verizon Business

Announcement
this exact prefix
RPKI valid
Announced by
AS14717
Type
Internet provider
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
63.64.0.0/12AS701Internet provider315
38 always on
Verizon Business

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
63.64.0.0/104,194,304UUNET63Verizon Business (MCICS) · USDirect AllocationJan 22, 1999abuse@verizon.com
└ 63.76.66.0/23512UU-63-76-66EZE Castle Integration Inc. (EZCI) · USReallocatedJun 2, 2004—
└ 63.76.66.16/298ECIN-63-76-66-16unknown———
└ 63.76.66.24/298ECIN-63-76-66-24unknown———
└ 63.76.66.32/298ECIN-63-76-66-32unknown———
└ 63.76.66.40/298ECIN-63-76-66-40unknown———
└ 63.76.66.56/298ECIN-63-76-66-56unknown———
└ 63.76.66.64/298ECIN-63-76-66-64unknown———
└ 63.76.66.72/298ECIN-63-76-66-72unknown———
└ 63.76.66.80/298EZCI-63-76-66-80unknown———
└ 63.76.66.88/298EZCI-63-76-66-88unknown———
└ 63.76.66.96/2816ECINET-63-76-66-96--28unknown———
└ 63.76.66.112/2816ECIN-63-76-66-112unknown———
└ 63.76.66.128/2816ECIN-63-76-66-128unknown———
└ 63.76.66.144/2816ECIN-63-76-66-144unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1