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Data as of Nov 9, 2026

66.186.160.0/19

19 residential-proxy exits · 30 days

FirstLight Fiber, Inc. · space held by FirstLight Networks, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS21547
Type
Business

Residential-proxy exits

Proxy exits
19
0.23% of its addresses · 30 days
Always-on exits
4
21% of its exits
Spread
11 of 32
/24s with at least one exit
Providers
50
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

12K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
66.186.184.0/2425
66.186.185.0/2413
66.186.165.0/2412
66.186.191.0/2402
66.186.162.0/2401
66.186.163.0/2401
66.186.168.0/2401
66.186.172.0/2401
66.186.175.0/2401
66.186.176.0/2401
66.186.178.0/2401

Proxy providers listing exits

  • 711Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • ColaProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • FLEETPROXY
  • FastProxy
  • FloppyData
  • GeekProxy
  • Geonode
  • GloryCloud
  • IPFly
  • IPPeak
  • LemonBright
  • LudaxProxy
  • MangoProxy
  • MrScraper
  • NodeMaven
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • PSBProxy
  • PrivateByte
  • Proxiware
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • PuraRoute
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • YumiProxy
  • ZENPROXY_LITE

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

PrefixOriginTypeProxy exitsHolderRPKI
66.186.162.0/24
since Jul 2018
AS21547Business1FirstLight Networks, LLC
66.186.163.0/24
since Jul 2018
AS21547Business1FirstLight Networks, LLC
66.186.167.0/24
since Mar 2020
AS13536BusinessFirstLight Networks, LLC
66.186.171.0/24
since Jul 2018
AS21547BusinessFirstLight Networks, LLC
66.186.173.0/24
since Mar 2017
AS21547BusinessFirstLight Networks, LLC
66.186.176.0/24
since Sep 2025
AS21547Business1FirstLight Networks, LLC
66.186.177.0/24
since Jul 2025
AS401728BusinessFirstLight Networks, LLC
66.186.184.0/24
since Mar 2017
AS21547Business5
2 always on
FirstLight Networks, LLC
66.186.188.0/24
since Jul 2018
AS21547BusinessFirstLight 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
66.186.160.0/198,192FLNET-18FirstLight Networks, LLC (FNL-76) · USDirect AllocationNov 8, 2001ipabuse@firstlight.net
└ 66.186.160.72/30466-186-160-72-30unknown———
└ 66.186.160.84/30466-186-160-84-30unknown———
└ 66.186.160.168/30466-186-160-168-30unknown———
└ 66.186.161.104/29866-186-161-104-29unknown———
└ 66.186.161.176/29866-186-161-176-29unknown———
└ 66.186.161.192/29866-186-161-192-29unknown———
└ 66.186.161.208/2816RRIVAS-66-186-161-208-28unknown———
└ 66.186.161.240/29866-186-161-240-29unknown———
└ 66.186.164.48/29866-186-164-48-29unknown———
└ 66.186.164.72/29866-186-164-72-29unknown———
└ 66.186.164.124/30466-186-164-124-30unknown———
└ 66.186.164.128/273266-186-164-128-27unknown———
└ 66.186.164.164/30466-186-164-164-30unknown———
└ 66.186.164.176/298SW-COLE-ENGINEERING-66-186-164-176-29unknown———
└ 66.186.164.200/29866-186-164-200-29unknown———
└ 66.186.164.208/2816NEW-ENGLAND-CANCER-SPECIALIST-66-186-164-208-28unknown———
└ 66.186.167.0/2425666-186-167-0-24TCC Networks (C04620404) · USReassignedJun 26, 2013ipabuse@firstlight.net
via FLNET-18
└ 66.186.169.128/266466-186-169-128-26unknown———
└ 66.186.170.0/30466-186-170-0-30unknown———
└ 66.186.170.104/29866-186-170-104-29unknown———
└ 66.186.170.208/29866-186-170-208-29unknown———
└ 66.186.172.32/29866-186-172-32-29unknown———
└ 66.186.175.224/273266-186-175-224-27unknown———
└ 66.186.177.0/24256FIRST-COMMONWEALTH-FCUFirst Commonwealth Federal Credit Union (FCFCU-37) · USReassignedJun 20, 2025—
└ 66.186.178.64/29866-186-178-64-29unknown———
└ 66.186.178.168/298PINE-TREE-SOC-66-186-178-168-29unknown———
└ 66.186.178.224/2816NORWAY-SAVINGS-66-186-178-224-28unknown———
└ 66.186.179.32/281666-186-179-32-28unknown———
└ 66.186.179.112/2816RXANTE-66-186-179-112-28unknown———
└ 66.186.179.144/29866-186-179-144-29unknown———
└ 66.186.179.184/29866-186-179-184-29unknown———
└ 66.186.180.144/2816MRRA-66-186-180-144-28unknown———
└ 66.186.180.160/2732SPURWINK-66-186-180-160-27unknown———
└ 66.186.180.192/2732PCHC-66-186-180-192-27unknown———
└ 66.186.180.224/281666-186-180-224-28unknown———
└ 66.186.187.40/29866-186-187-40-29unknown———
└ 66.186.187.48/29866-186-187-48-29unknown———
└ 66.186.187.72/298EXECUTIVE-OFFICE-CENTER-66-186-187-72-29unknown———
└ 66.186.187.88/29866-186-187-88-29unknown———
└ 66.186.187.144/2816CAPITOL-COMPUTERS-66-186-187-144-28unknown———
└ 66.186.190.8/29866-186-190-8-29unknown———
└ 66.186.190.136/29866-186-190-136-29unknown———
└ 66.186.190.144/298NORWAY-SAVINGS-66-186-190-144-29unknown———
└ 66.186.190.176/2816STATEGIC-MAINTENANCE-66-186-190-176-28unknown———
└ 66.186.190.192/29866-186-190-192-29unknown———
└ 66.186.190.224/281666-186-190-224-28unknown———
└ 66.186.190.240/281666-186-190-240-28unknown———
└ 66.186.191.16/29866-186-191-16-29unknown———
└ 66.186.191.24/298DELORME-66-186-191-24-29unknown———
└ 66.186.191.32/2816KBH-66-186-191-32-28unknown———
└ 66.186.191.92/30466-186-191-92-30unknown———
└ 66.186.191.112/29866-186-191-112-29unknown———
└ 66.186.191.120/29866-186-191-120-29unknown———
└ 66.186.191.128/2732OXFORD-NET-66-186-191-128-0-27unknown———
└ 66.186.191.184/29866-186-191-184-29unknown———
└ 66.186.191.192/29866-186-191-192-29unknown———
└ 66.186.191.208/2816SAPPI-66-186-191-208-28unknown———

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
Origin network

AS21547

US
Name
FirstLight Fiber, Inc.
Type
Internet provider
Registered
May 21, 2001
Domain
firstlight.net
Website
www.firstlight.net
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed