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Data as of Nov 8, 2026

66.211.128.0/20

10 residential-proxy exits · 30 days

Fibercast Corporation · space held by FirstLight Networks, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS10367
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
10
0.24% of its addresses · 30 days
Always-on exits
1
10% of its exits
Spread
6 of 16
/24s with at least one exit
Providers
36
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

2.6K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
66.211.134.0/2411
66.211.135.0/2405
66.211.129.0/2401
66.211.131.0/2401
66.211.132.0/2401
66.211.137.0/2401

Proxy providers listing exits

  • 711Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BottingTools
  • Bright Data
  • Byteful
  • CliProxy
  • ColaProxy
  • EZProxies
  • EnigmaProxy
  • FastProxy
  • FloppyData
  • GloryCloud
  • IPFly
  • IPPeak
  • IPRoyal
  • KocerRoxy
  • Kookey
  • LemonBright
  • LudaxProxy
  • NextProxy
  • NovaProxy
  • Proxiware
  • ProxyEmpire
  • PuraRoute
  • RainProxy
  • RoamProxy
  • RolaProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive
  • WealthProxies
  • YumiProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.211.128.0/19
since Jan 2021
AS13536Business12
1 always on
FirstLight 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
└ 66.211.129.16/29866-211-129-16-29unknown———
└ 66.211.129.80/30466-211-129-80-30unknown———
└ 66.211.129.84/30466-211-129-84-30unknown———
└ 66.211.129.92/30466-211-129-92-30unknown———
└ 66.211.129.128/266466-211-129-128-26unknown———
└ 66.211.129.224/30466-211-129-224-30unknown———
└ 66.211.129.240/29866-211-129-240-29unknown———
└ 66.211.130.0/29866-211-130-0-29unknown———
└ 66.211.130.24/29866-211-130-24-29unknown———
└ 66.211.130.32/29866-211-130-32-29unknown———
└ 66.211.130.40/29866-211-130-40-29unknown———
└ 66.211.130.104/30466-211-130-104-30unknown———
└ 66.211.130.208/29866-211-130-208-29unknown———
└ 66.211.131.96/29866-211-131-96-29unknown———
└ 66.211.131.104/29866-211-131-104-29unknown———
└ 66.211.131.112/281666-211-131-112-28unknown———
└ 66.211.131.184/29866-211-131-184-29unknown———
└ 66.211.132.32/273266-211-132-32-27unknown———
└ 66.211.132.160/29866-211-132-160-29unknown———
└ 66.211.132.168/29866-211-132-168-29unknown———
└ 66.211.132.208/30466-211-132-208-30unknown———
└ 66.211.132.216/29866-211-132-216-29unknown———
└ 66.211.132.240/29866-211-132-240-29unknown———
└ 66.211.133.16/29866-211-133-16-29unknown———
└ 66.211.133.24/29866-211-133-24-29unknown———
└ 66.211.133.32/29866-211-133-32-29unknown———
└ 66.211.133.40/29866-211-133-40-29unknown———
└ 66.211.133.48/29866-211-133-48-29unknown———
└ 66.211.133.72/29866-211-133-72-29unknown———
└ 66.211.133.96/29866-211-133-96-29unknown———
└ 66.211.133.120/29866-211-133-120-29unknown———
└ 66.211.133.148/304BAYSTATE-POOL-2unknown———
└ 66.211.133.176/298BAYSTATE-POOLunknown———
└ 66.211.134.72/29866-211-134-72-29unknown———
└ 66.211.134.128/29866-211-134-128-29unknown———
└ 66.211.134.160/281666-211-134-160-28unknown———
└ 66.211.134.176/29866-211-134-176-29unknown———
└ 66.211.134.184/29866-211-134-184-29unknown———
└ 66.211.134.192/29866-211-134-192-29unknown———
└ 66.211.135.0/30466-211-135-0-30unknown———
└ 66.211.135.8/29866-211-135-8-29unknown———
└ 66.211.135.24/29866-211-135-24-29unknown———
└ 66.211.135.48/29866-211-135-48-29unknown———
└ 66.211.135.56/29866-211-135-56-29unknown———
└ 66.211.135.72/29866-211-135-72-29unknown———
└ 66.211.135.88/30466-211-135-88-30unknown———
└ 66.211.135.104/29866-211-135-104-29unknown———
└ 66.211.135.152/29866-211-135-152-29unknown———
└ 66.211.135.216/29866-211-135-216-29unknown———
└ 66.211.135.224/29866-211-135-224-29unknown———
└ 66.211.135.240/29866-211-135-240-29unknown———
└ 66.211.135.248/29866-211-135-248-29unknown———
└ 66.211.137.8/29866-211-137-8-29unknown———
└ 66.211.137.28/30466-211-137-28-30unknown———
└ 66.211.137.32/29866-211-137-32-29unknown———
└ 66.211.137.40/29866-211-137-40-29unknown———
└ 66.211.137.56/29866-211-137-56-29unknown———
└ 66.211.137.64/266466-211-137-64-26unknown———
└ 66.211.137.128/29866-211-137-128-29unknown———
└ 66.211.137.160/30466-211-137-160-30unknown———
└ 66.211.137.248/29866-211-137-248-29unknown———
└ 66.211.143.0/2425666-211-143-0-24unknown———

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
Residential4,084>99%3
Business120.29%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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