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Data as of Nov 6, 2026

66.37.47.0/24

No anonymizer space · no proxy exits in 30 days

Granite Block Global Data Center, Inc · space held by Zayo Bandwidth

Announcement
this exact prefix
No RPKI
Announced by
AS11713
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.37.32.0/20
since Nov 2013
AS46887Internet provider1Zayo Bandwidth

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
66.37.32.0/204,096ZAYO-CCF-66-37-32-0Zayo Bandwidth (ZAYOB) · USDirect AllocationOct 24, 2013abuse@zayo.com
└ 66.37.47.0/24256LTF--66-37-47-0-24Granite Block (C04754270) · USReassignedNov 4, 2013abuse@zayo.com
via ZAYO-CCF-66-37-32-0

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Zayo Bandwidth
Handle
ZAYOB
Range
66.37.32.0/20
Registration type
Direct Allocation
Record created
Oct 24, 2013
Origin network

AS11713

US
Name
Granite Block Global Data Center, Inc
Type
Hosting
Registered
Jun 29, 2012
Domain
congruity360.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed