Data as of Nov 10, 2026
Autonomous system

AS18731

Cityside Fiber

Announces 4,864 addresses in 4 prefixes. None of it is anonymizer space.

Type
Internet provider
US
Proxy activity, 30 days
108 exits

Announced prefixes

Arrived
PrefixTypeProxy exitsHolderRPKI
23.164.40.0/24
since Oct 2023
Residential
128.177.138.0/24
since Dec 2025
Residential2
1 always on
Zayo Bandwidth
154.50.58.0/24
since May 2026
Residential107
24 always on
Cogent Communications, LLC
via Cityside Fiber
157.238.80.0/20
since Sep 2026
ResidentialNTT America, Inc.

Residential-proxy exposure

Always-on exits
25
23% of its exits
Spread
2
/24s with at least one exit
Providers
86
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
154.50.58.0/2424107
128.177.138.0/2412

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • Elusive
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • IPCola
  • IPFly
  • IPMUSK
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonPrime
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MoMoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • WealthProxies
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM

Proxy activity

Oct 11, 2026 – Nov 9, 2026

AS18731, day by day

134K observations

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it