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Data as of Nov 13, 2026

166.46.0.0/15

No anonymizer space

Verizon Business

Announcement
166.32.0.0/12
No RPKI
Announced by
AS3371
Type
Internet provider
>99% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
166.46.112.0/20
since Mar 2011
AS3372Internet providerVerizon Business
166.46.160.0/20
since Mar 2011
AS3372Internet providerVerizon Business
166.46.176.0/20
since Jun 2010
AS3372Internet providerVerizon Business
166.46.192.0/20
since Apr 2011
AS3372Internet providerVerizon Business
166.46.224.0/20
since Jun 2010
AS3372Internet providerVerizon Business
166.47.8.0/24AS701Internet providerVerizon Business
166.47.144.0/20
since Jun 2010
AS3372Internet providerVerizon Business
166.47.160.0/20
since Jun 2010
AS3372Internet providerVerizon Business
166.47.240.0/20
since Apr 2011
AS3372Internet providerVerizon Business

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
166.46.0.0/15131,072MCI-NETCS17Verizon Business (MCICS) · USDirect AllocationMar 24, 1993abuse@verizon.com

Composition

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

Announced space

Address share

Announced space

Types across the prefix

131,072 addresses
TypeAddressesShareRanges
Internet provider130,048>99%21
Residential1,0240.78%4

Network & registry

AnnouncementRouting historyWhois & abuse
Routing timeline

Who has announced 166.32.0.0/12

166.32.0.0/12

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Nov 2011 · 15 yr
Origin networks
2
Last change of origin
Nov 2011
Recorded history

History

Handoffs
1