Data as of Nov 7, 2026

66.239.111.0/24

No anonymizer space · no proxy exits in 30 days

Contour Networks · reallocated from Verizon Business

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.236.0.0/14
since May 2005
AS2828Internet provider1
1 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
66.236.0.0/14262,144XOX1-BLK-2Verizon Business (MCICS) · USDirect AllocationFeb 20, 2002abuse@verizon.com
└ 66.239.111.0/24256XOXO-66-239-111-0Contour Networks (CSCT-1) · USReallocatedDec 23, 2008—

Network & registry

IPv4 market

Holder

Organization
Verizon Business
Handle
MCICS
Range
66.236.0.0/14
Registration type
Direct Allocation
Record created
Feb 20, 2002
Reallocated to
Contour Networks (CSCT-1)
Reallocated range
66.239.111.0/24
Reallocated
Dec 23, 2008
Origin network

AS31835

US
Name
Contour Networks
Type
Internet provider
Registered
Jun 4, 2009
Domain
contournetworks.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed