Data as of Nov 3, 2026
Autonomous system

AS397162

Sumofiber

Announces 8,704 addresses in 16 prefixes. None of it is anonymizer space.

Type
Internet provider
US
Proxy activity, 30 days
58 exits

Announced prefixes

Arrived
PrefixTypeProxy exitsHolderRPKI
38.59.222.0/24
since Dec 2024
Residential3Cogent Communications, LLC
via Sumofiber
38.59.223.0/24
since Dec 2024
Residential1Cogent Communications, LLC
via Sumofiber
38.70.240.0/23
since Feb 2021
Residential8
2 always on
Cogent Communications, LLC
via Sumofiber
38.70.242.0/24
since Sep 2023
Residential5Cogent Communications, LLC
via Sumofiber
38.70.243.0/24
since Sep 2023
Residential4
1 always on
Cogent Communications, LLC
via Sumofiber
38.148.16.0/21
since Dec 2024
Residential6Cogent Communications, LLC
via Sumofiber
38.148.24.0/21
since Jan 2024
Residential1Cogent Communications, LLC
via Sumofiber
38.148.104.0/24
since Jan 2026
Residential4Cogent Communications, LLC
via Sumofiber
38.148.106.0/24
since Jan 2026
ResidentialCogent Communications, LLC
via Sumofiber
38.148.109.0/24
since Apr 2026
ResidentialCogent Communications, LLC
via Sumofiber
38.148.110.0/24
since Apr 2026
ResidentialCogent Communications, LLC
via Sumofiber
130.51.28.0/22
since Apr 2021
Residential15
1 always on
162.221.116.0/24
since Feb 2021
Residential3
162.221.117.0/24
since Feb 2021
Residential1
162.221.118.0/24
since Feb 2021
Residential2
1 always on
162.221.119.0/24
since Feb 2021
Residential3
1 always on

Residential-proxy exposure

Always-on exits
6
10% of its exits
Spread
17
/24s with at least one exit
Providers
67
selling exits here

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonode
  • GhostConnect
  • GloryCloud
  • GonzoProxy
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RoamProxy
  • RolaProxy
  • Shifter
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalData
  • VitalExclusive
  • WealthProxies
  • YumiProxy

Proxy activity

Oct 4, 2026 – Nov 2, 2026

AS397162, day by day

13K observations

Network & history

Profile
Registered
Feb 1, 2019
Domain
sumofiber.com
Website
sumofiber.com
Industry
Computer and Information Technology