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Data as of Nov 4, 2026

173.81.0.0/16

646 residential-proxy exits · 30 days

Optimum

Announcement
this exact prefix
No RPKI
Announced by
AS19108
Type
Residential

Residential-proxy exits

Proxy exits
646
0.99% of its addresses · 30 days
Always-on exits
110
17% of its exits
Spread
161 of 256
/24s with at least one exit
Providers
107
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

359K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
173.81.177.0/24413
173.81.151.0/2449
173.81.150.0/24310
173.81.176.0/24310
173.81.244.0/2439
173.81.130.0/2438
173.81.9.0/2437
173.81.128.0/2436
173.81.129.0/2435
173.81.96.0/24212
173.81.13.0/24211
173.81.25.0/24211
173.81.97.0/24211
173.81.3.0/2429
173.81.29.0/2428
173.81.99.0/2428
173.81.51.0/2427
173.81.11.0/2427
173.81.55.0/2427
173.81.61.0/2426
173.81.126.0/2426
173.81.32.0/2419
173.81.28.0/2418
173.81.23.0/2418

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GonzoProxy
  • HideProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MarsProxies
  • MoMoProxy
  • MrScraper
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • Proxies.fo
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxmint
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • WealthProxies
  • YumiProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
173.80.0.0/15
since Feb 2009
AS19108Residential1,448
281 always on
Optimum
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
173.81.0.0/17
since Mar 2014
AS19108Residential438
62 always on
Optimum
173.81.128.0/17
since Jul 2020
AS19108Residential208
48 always on
Optimum
173.81.223.0/24
since Jun 2020
AS19108ResidentialOptimum

Network & registry

AnnouncementRouting historyWhois & abuse
Origin network

AS19108

US
Name
Optimum
Type
Internet provider
Registered
Nov 20, 2000
Domain
optimum.com
Website
www.suddenlink.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed