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Data as of Nov 8, 2026

66.33.8.0/21

431 residential-proxy exits · 30 days

BIF IV

Announcement
this exact prefix
RPKI valid
Announced by
AS394056
Type
Residential

Residential-proxy exits

Proxy exits
431
21% of its addresses · 30 days
Always-on exits
131
30% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
104
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

452K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
66.33.12.0/2455109
66.33.8.0/2430133
66.33.10.0/2425110
66.33.13.0/241571
66.33.14.0/2435
66.33.15.0/2414
66.33.9.0/2413
66.33.11.0/2413

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • Elusive
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPMUSK
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • MrScraper
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • Proxies.fo
  • Proxio
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RoamProxy
  • RolaProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VProxy
  • VantageProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • WealthProxies
  • YumiProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM

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
66.33.8.0/24
since Jan 2023
AS394056Residential133
30 always on
BIF IV
66.33.9.0/24
since Dec 2022
AS394056Residential3
1 always on
BIF IV
66.33.10.0/24
since Aug 2023
AS394056Residential110
25 always on
BIF IV
66.33.11.0/24
since Aug 2023
AS394056Residential3
1 always on
BIF IV
66.33.12.0/24
since Apr 2025
AS394056Residential109
55 always on
BIF IV
66.33.13.0/24
since Mar 2025
AS394056Residential71
15 always on
BIF IV
66.33.14.0/24
since Oct 2025
AS394056Residential5
3 always on
BIF IV
66.33.15.0/24
since Nov 2025
AS394056Residential4
1 always on
BIF IV

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
66.33.8.0/212,048BIIOLBIF IV (BIIOL) · USDirect AllocationNov 10, 2022admin@intrepidfiber.com
└ 66.33.12.0/24256IFN-PUEBLOCO-66-33-12-0-25BIF IV (C11086295) · USReassignedJan 29, 2025admin@intrepidfiber.com
via BIIOL
└ 66.33.13.0/24256IFN-STCLODMN-66-33-13-0-24BIF IV (C11087698) · USReassignedJan 31, 2025admin@intrepidfiber.com
via BIIOL

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

AS394056

US
Name
BIF IV
Type
Internet provider
Registered
Oct 21, 2022
Domain
intrepidfiber.com
Website
www.intrepidfiber.com/
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed