Data as of Nov 10, 2026
Autonomous system

AS21547

FirstLight Fiber, Inc.

Announces 70,144 addresses in 54 prefixes. None of it is anonymizer space.

Type
Internet provider
US
Proxy activity, 30 days
88 exits

Announced prefixes

Arrived
PrefixTypeProxy exitsHolderRPKI
63.127.192.0/21
since Aug 2016
UnknownVerizon Business
via WorldPath Internet Services
64.140.192.0/18
since Aug 2016
Business13
1 always on
FirstLight Networks, LLC
64.140.199.0/24
since Jul 2018
Internet providerFirstLight Networks, LLC
64.140.224.0/19
since Aug 2016
Business6
1 always on
FirstLight Networks, LLC
64.140.224.0/24
since Aug 2016
BusinessFirstLight Networks, LLC
64.140.225.0/24
since Aug 2016
BusinessFirstLight Networks, LLC
64.140.234.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
64.140.246.0/24
since Aug 2016
BusinessFirstLight Networks, LLC
66.186.160.0/19
since May 2005
Business19
4 always on
FirstLight Networks, LLC
66.186.162.0/24
since Jul 2018
Business1FirstLight Networks, LLC
66.186.163.0/24
since Jul 2018
Business1FirstLight Networks, LLC
66.186.171.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
66.186.173.0/24
since Mar 2017
BusinessFirstLight Networks, LLC
66.186.176.0/24
since Sep 2025
Business1FirstLight Networks, LLC
66.186.184.0/24
since Mar 2017
Business5
2 always on
FirstLight Networks, LLC
66.186.188.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
66.231.192.0/19
since Feb 2006
Business17
5 always on
FirstLight Networks, LLC
66.231.192.0/24
since Jul 2018
Residential1FirstLight Networks, LLC
via Oxford Networks
66.231.208.0/24
since Oct 2016
BusinessFirstLight Networks, LLC
66.231.214.0/24
since Jul 2018
Business1
1 always on
FirstLight Networks, LLC
66.231.215.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
66.231.217.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
66.231.219.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
66.231.220.0/22
since Oct 2016
Business1FirstLight Networks, LLC
69.49.128.0/19
since May 2005
Business7
1 always on
FirstLight Networks, LLC
69.49.128.0/24
since Mar 2017
BusinessFirstLight Networks, LLC
69.49.129.0/24
since Mar 2017
BusinessFirstLight Networks, LLC
69.49.133.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
69.49.140.0/23
since Sep 2025
Internet provider3
1 always on
FirstLight Networks, LLC
69.49.144.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
69.49.146.0/24
since Apr 2020
UnknownFirstLight Networks, LLC
69.49.148.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
69.49.153.0/24
since May 2010
Business1FirstLight Networks, LLC
69.168.0.0/20
since Aug 2016
Business2FirstLight Networks, LLC
72.12.64.0/19
since Jun 2005
Business23
4 always on
FirstLight Networks, LLC
72.12.75.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
72.12.76.0/23
since Mar 2017
Business6
1 always on
FirstLight Networks, LLC
72.12.78.0/24
since Mar 2017
Business3
1 always on
FirstLight Networks, LLC
72.12.79.0/24
since Mar 2017
Business3FirstLight Networks, LLC
72.12.80.0/24
since Oct 2016
BusinessFirstLight Networks, LLC
72.12.84.0/24
since Oct 2016
BusinessFirstLight Networks, LLC
72.12.87.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
72.12.91.0/24
since May 2010
Business1FirstLight Networks, LLC
72.12.92.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
72.12.94.0/23
since Mar 2017
Business2
1 always on
FirstLight Networks, LLC
72.55.224.0/19
since May 2008
Business30
3 always on
FirstLight Networks, LLC
72.55.247.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
72.55.248.0/23
since Mar 2017
Business3FirstLight Networks, LLC
72.55.254.0/23
since Apr 2021
Business5
1 always on
FirstLight Networks, LLC
74.220.224.0/20
since Aug 2016
Business2
1 always on
FirstLight Networks, LLC
74.220.236.0/24
since Jul 2018
BusinessFirstLight Networks, LLC
140.165.50.0/24
since Oct 2018
UnknownTeledyne Brown Engineering
198.212.230.0/24
since Sep 2023
BusinessConcord Hospital
208.0.176.0/21
since Aug 2021
UnknownCogent Communications, LLC

Residential-proxy exposure

Always-on exits
19
22% of its exits
Spread
73
/24s with at least one exit
Providers
89
selling exits here

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GeekProxy
  • Geonode
  • GloryCloud
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • Kookey
  • LemonBright
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MarsProxies
  • MoMoProxy
  • MrScraper
  • NextProxy
  • NodeMaven
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • PSBProxy
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • RealProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • VitalProxy
  • WealthProxies
  • YumiProxy
  • ZENPROXY_LITE

Proxy activity

Oct 11, 2026 – Nov 9, 2026

AS21547, day by day

34K observations
  • Residential
  • Business
  • Internet provider

Network & history

The space it routes itself

Address share by type

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it