Data as of Nov 9, 2026

66.211.144.0/20

2 residential-proxy exits · 30 days

Fibercast Corporation · space held by FirstLight Networks, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
94% of it

Residential-proxy exits

Proxy exits
2
0.05% of its addresses · 30 days
Spread
2 of 16
/24s with at least one exit
Providers
2
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

4 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
66.211.154.0/2401
66.211.157.0/2401

Proxy providers listing exits

  • FastProxy
  • LemonBright

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.211.128.0/19
since Jan 2021
AS13536Business10
1 always on
FirstLight Networks, LLC
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
66.211.153.0/24
since Oct 2018
AS53784BusinessFirstLight Networks, LLC

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
66.211.128.0/198,192FLNET-19FirstLight Networks, LLC (FNL-76) · USDirect AllocationDec 19, 2003ipabuse@firstlight.net
└ 66.211.144.0/23512FIRSTLIGHT-NET-66-211-144-0-23unknown———
└ 66.211.146.0/23512FIRSTLIGHT-NET-66-211-146-0-23unknown———
└ 66.211.148.0/23512FIRSTLIGHT-NET-66-211-148-0-23unknown———
└ 66.211.150.0/23512FIRSTLIGHT-NET-66-211-150-0-23unknown———
└ 66.211.152.0/23512FIRSTLIGHT-NET-66-211-152-0-23FirstLight Fiber, Inc. (TVC-11) · USReassignedApr 22, 2015ipabuse@firstlight.net
└ 66.211.154.0/23512FIRSTLIGHT-NET-66-211-154-0-23unknown———
└ 66.211.157.24/29866-211-157-24-29unknown———
└ 66.211.157.80/29866-211-157-80-29unknown———
└ 66.211.157.96/281666-211-157-96-28unknown———
└ 66.211.158.40/30466-211-158-40-30unknown———
└ 66.211.158.52/30466-211-158-52-30unknown———
└ 66.211.158.88/29866-211-158-88-29unknown———
└ 66.211.158.148/30466-211-158-148-30unknown———
└ 66.211.158.152/29866-211-158-152-29unknown———
└ 66.211.158.160/29866-211-158-160-29unknown———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential3,84094%2
Business2566.3%1

Network & registry

Origin network

AS10367

US
Name
Fibercast Corporation
Type
Internet provider
Registered
Jul 14, 1997
Domain
fibercast.net
Website
www.fibercast.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed