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Data as of Nov 6, 2026

24.121.128.0/17

208 residential-proxy exits · 30 days

Optimum

Announcement
this exact prefix
No RPKI
Announced by
AS19108
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
208
0.63% of its addresses · 30 days
Always-on exits
37
18% of its exits
Spread
67 of 128
/24s with at least one exit
Providers
100
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

158K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
24.121.168.0/2448
24.121.158.0/2437
24.121.154.0/2427
24.121.210.0/2426
24.121.159.0/2426
24.121.208.0/2426
24.121.204.0/2422
24.121.134.0/2422
24.121.156.0/2417
24.121.238.0/2415
24.121.182.0/2415
24.121.163.0/2414
24.121.139.0/2414
24.121.164.0/2414
24.121.214.0/2413
24.121.191.0/2413
24.121.205.0/2413
24.121.229.0/2413
24.121.179.0/2412
24.121.187.0/2412
24.121.203.0/2411
24.121.251.0/2411
24.121.244.0/2411
24.121.144.0/2411

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
  • GoProxies
  • GonzoProxy
  • HydraProxy
  • IPCola
  • IPFly
  • 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
  • Proxio
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • WealthProxies
  • YumiProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
24.121.0.0/16
since Jul 2011
AS19108Residential545
88 always on
Optimum

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
24.121.0.0/1665,536SUDDE-NETBLK-24-121-0-0Optimum (SUDDE) · USDirect AllocationSep 20, 2001abuse@suddenlink.net
└ 24.121.128.0/24256CABLE-AZ-LAKEHAVASU-4unknown———
└ 24.121.129.0/24256CABLE-AZ-PARKER-5unknown———
└ 24.121.130.0/24256CABLE-AZ-PARKER-6unknown———
└ 24.121.131.0/24256CABLE-AZ-PAYSON-4unknown———
└ 24.121.132.0/24256CABLE-MO-STJOSEPH-7unknown———
└ 24.121.133.0/24256CABLE-AZ-BULLHEAD-6unknown———
└ 24.121.134.0/23512CABLE-AZ-LAKEHAVASU-4unknown———
└ 24.121.136.0/23512CABLE-AZ-KINGMAN-7unknown———
└ 24.121.138.0/23512CABLE-AZ-BULLHEAD-7unknown———
└ 24.121.140.0/24256CABLE-MO-STJOSEPH-8unknown———
└ 24.121.141.0 - 24.121.142.255512CABLE-MO-STJOSEPH-10unknown———
└ 24.121.143.0/24256CABLE-AZ-SEDONA-6unknown———
└ 24.121.144.0/24256CABLE-CA-BLYTHE-3unknown———
└ 24.121.145.0/24256CABLE-AZ-LAKEHAVASU-6unknown———
└ 24.121.146.0/23512CABLE-CA-MAMMOTHLAKES-4unknown———
└ 24.121.148.0/221,024CABLE-MO-STJOSEPH-11unknown———
└ 24.121.152.0/24256CABLE-AZ-PAYSON-6unknown———
└ 24.121.153.0/24256CABLE-AZ-LAKEHAVASU-7unknown———
└ 24.121.154.0/24256CABLE-AZ-KINGMAN-8unknown———
└ 24.121.155.0/24256CABLE-AZ-BULLHEAD-8unknown———
└ 24.121.156.0/221,024CABLE-MO-STJOSEPH-12unknown———
└ 24.121.161.0/24256CABLE-AZ-SEDONA-7unknown———
└ 24.121.162.0/24256CABLE-AZ-PARKER-7unknown———
└ 24.121.163.0/24256CABLE-AZ-PAYSON-7unknown———
└ 24.121.164.0/23512CABLE-AZ-KINGMAN-9unknown———
└ 24.121.166.0/23512CABLE-AZ-BULLHEAD-9unknown———
└ 24.121.168.0/221,024CABLE-MO-STJOSEPH-13unknown———
└ 24.121.172.0/221,024CABLE-AZ-FLAGSTAFF-14unknown———
└ 24.121.176.0/24256CABLE-AZ-PARKER-8unknown———
└ 24.121.177.0/24256CABLE-AZ-SEDONA-8unknown———
└ 24.121.178.0/23512CABLE-AZ-LAKEHAVASU-8unknown———
└ 24.121.180.0/23512CABLE-AZ-PAYSON-8unknown———
└ 24.121.182.0/23512CABLE-AZ-LAKEHAVASU-8unknown———
└ 24.121.184.0/23512CABLE-AZ-FLAGSTAFF-15unknown———
└ 24.121.186.0/23512MERCURY-MO-STJOSEPH-1unknown———
└ 24.121.188.0/23512CABLE-AZ-FLAGSTAFF-16unknown———
└ 24.121.190.0/23512CABLE-AZ-PARKER-9unknown———
└ 24.121.192.0/24256CABLE-AZ-SEDONA-10unknown———
└ 24.121.193.0/24256CABLE-AZ-FLAGSTAFF-18unknown———
└ 24.121.194.0/24256CABLE-AZ-PARKER-10unknown———
└ 24.121.195.0/24256CABLE-AZ-PAYSON-10unknown———
└ 24.121.196.0/23512CABLE-AZ-PAYSON-9unknown———
└ 24.121.198.0/24256CABLE-AZ-SEDONA-9unknown———
└ 24.121.199.0/24256CABLE-AZ-FLAGSTAFF-17unknown———
└ 24.121.201.0/24256CABLE-MO-STJOSEPH-15unknown———
└ 24.121.202.0/23512CABLE-MO-STJOSEPH-16unknown———
└ 24.121.204.0/24256CABLE-MO-STJOSEPH-17unknown———
└ 24.121.205.0/24256CABLE-MO-STJOSEPH-18unknown———
└ 24.121.206.0/24256CABLE-MO-STJOSEPH-19unknown———
└ 24.121.207.0/24256CABLE-MO-STJOSEPH-21unknown———
└ 24.121.208.0/23512CABLE-AZ-BULLHEAD-10unknown———
└ 24.121.210.0/24256CABLE-AZ-LAKEHAVASU-10unknown———
└ 24.121.211.0/24256CABLE-AZ-BULLHEAD-11unknown———
└ 24.121.212.0/24256CABLE-AZ-LAKEHAVASU-11unknown———
└ 24.121.213.0/24256CABLE-AZ-KINGMAN-10unknown———
└ 24.121.214.0/23512CABLE-AZ-KINGMAN-11unknown———
└ 24.121.216.0/23512CABLE-AZ-FLAGSTAFF-19unknown———
└ 24.121.218.0/24256CABLE-AZ-KINGMAN-12unknown———
└ 24.121.219.0/24256CABLE-AZ-LAKEHAVASU-12unknown———
└ 24.121.220.0/24256CABLE-AZ-MAMMOTHLAKES-5unknown———
└ 24.121.221.0/24256CABLE-AZ-MAMMOTHLAKES-6unknown———
└ 24.121.222.0/24256CABLE-AZ-SEDONA-11unknown———
└ 24.121.223.0/24256CABLE-CA-BLYTHE-4unknown———
└ 24.121.224.0/24256CABLE-AZ-PAYSON-11unknown———
└ 24.121.225.0/2816CABLE-AZ-PARKER-11unknown———
└ 24.121.226.0/24256CABLE-AZ-FLAGSTAFF-24unknown———
└ 24.121.227.0/24256CABLE-AZ-LAKEHAVASU-13unknown———
└ 24.121.228.0/24256CABLE-AZ-KINGMAN-14unknown———
└ 24.121.229.0/24256CABLE-AZ-KINGMAN-15unknown———
└ 24.121.230.0/2732CABLE-AZ-MAMMOTHLAKES-7unknown———
└ 24.121.232.0/24256CABLE-AZ-FLAGSTAFF-20unknown———
└ 24.121.233.0/24256CABLE-AZ-FLAGSTAFF-21unknown———
└ 24.121.234.0/23512CABLE-MO-STJOSEPH-22unknown———
└ 24.121.236.0/24256CABLE-AZ-KINGMAN-18unknown———
└ 24.121.237.0/24256CABLE-AZ-BULLHEAD-13unknown———
└ 24.121.238.0/23512CABLE-AZ-KINGMAN-16unknown———
└ 24.121.240.0/23512CABLE-AZ-FLAGSTAFF-22unknown———
└ 24.121.242.0/24256CABLE-AZ-SEDONA-12unknown———
└ 24.121.243.0/24256CABLE-AZ-PARKER-12unknown———
└ 24.121.244.0/221,024CABLE-AZ-LAKEHAVASU-14unknown———
└ 24.121.248.0/24256CABLE-AZ-LAKEHAVASU-15unknown———
└ 24.121.250.0/23512CABLE-AZ-BULLHEAD-14unknown———
└ 24.121.252.0/221,024CABLE-AZ-LAKEHAVASU-16unknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

32,768 addresses
TypeAddressesShareRanges
Residential32,720>99%3
Business480.15%2

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