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Data as of Nov 3, 2026

24.121.0.0/17

323 residential-proxy exits · 30 days

Optimum

Announcement
this exact prefix
No RPKI
Announced by
AS19108
Type
Residential

Residential-proxy exits

Proxy exits
323
0.99% of its addresses · 30 days
Always-on exits
48
15% of its exits
Spread
75 of 128
/24s with at least one exit
Providers
100
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

186K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
24.121.12.0/2448
24.121.14.0/2437
24.121.8.0/24213
24.121.9.0/24213
24.121.21.0/24211
24.121.22.0/24210
24.121.90.0/2428
24.121.76.0/2426
24.121.28.0/2426
24.121.110.0/2423
24.121.19.0/24112
24.121.46.0/2417
24.121.10.0/2417
24.121.117.0/2416
24.121.16.0/2416
24.121.37.0/2416
24.121.58.0/2416
24.121.59.0/2415
24.121.43.0/2415
24.121.44.0/2415
24.121.2.0/2415
24.121.79.0/2415
24.121.36.0/2415
24.121.42.0/2415

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
  • HideProxy
  • HydraProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MarsProxies
  • MoMoProxy
  • MrScraper
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • Proxies.fo
  • ProxiesVision
  • Proxiware
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VProxy
  • VantageProxies
  • VitalExclusive
  • VitalProxy
  • WealthProxies
  • YumiProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
24.121.0.0/16
since Jul 2011
AS19108Residential531
84 always on
Optimum
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
24.121.83.0/24
since Feb 2022
AS19108Residential2
1 always on
Optimum
24.121.88.0/24
since Feb 2012
AS19108ResidentialOptimum
24.121.102.0/24
since Jul 2017
AS395866ResidentialOptimum
24.121.112.0/23
since Jul 2017
AS395866ResidentialOptimum

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, 2001[email protected]
└ 24.121.0.0/212,048NETBLK-CABLE-AZ-1unknown———
└ 24.121.8.0/212,048NETBLK-CABLE-AZ-2unknown———
└ 24.121.16.0/23512NETBLK-CABLE-AZ-3unknown———
└ 24.121.18.0/23512NETBLK-CABLE-AZ-4unknown———
└ 24.121.20.0/23512CABLE-AZ-PAYSON-1unknown———
└ 24.121.25.0 - 24.121.27.255768CABLE-AZ-BULLHEAD-1unknown———
└ 24.121.28.0/24256CABLE-CA-BLYTHE-1unknown———
└ 24.121.29.0/24256CABLE-CA-BLYTHE-4unknown———
└ 24.121.30.0/23512CABLE-CA-MAMLAKES-1unknown———
└ 24.121.32.0/221,024CABLE-AZ-FLAGSTAFF-1unknown———
└ 24.121.36.0/221,024CABLE-AZ-LAKEHAVASU-3unknown———
└ 24.121.40.0/23512CABLE-CA-BLYTHE-2unknown———
└ 24.121.42.0/23512CABLE-AZ-BULLHEAD-2unknown———
└ 24.121.44.0 - 24.121.48.2551,280CABLE-AZ-KINGMAN-2unknown———
└ 24.121.49.0/24256CABLE-AZ-PAYSON-2unknown———
└ 24.121.50.0/23512CABLE-AZ-PARKER-2unknown———
└ 24.121.52.0/23512CABLE-CA-MAMMOTHLAKES-3unknown———
└ 24.121.54.0/23512CABLE-AZ-FLAGSTAFF-3unknown———
└ 24.121.56.0/221,024MNAFAIRPOINTunknown———
└ 24.121.60.0/24256CABLE-AZ-KINGMAN-1unknown———
└ 24.121.61.0/24256CABLE-AZ-PAYSON-3unknown———
└ 24.121.62.0/24256CABLE-MO-STJOSEPH-1unknown———
└ 24.121.63.0/24256CABLE-AZ-FLAGSTAFF-4unknown———
└ 24.121.64.0 - 24.121.66.255768CABLE-AZ-FLAGSTAFF-5unknown———
└ 24.121.67.0 - 24.121.69.255768CABLE-MO-STJOSEPH-2unknown———
└ 24.121.70.0/24256CABLE-AZ-LAKEHAVASU-5unknown———
└ 24.121.71.0/24256CABLE-AZ-SEDONA-2unknown———
└ 24.121.72.0/24256CABLE-AZ-PAYSON-4unknown———
└ 24.121.73.0/24256CABLE-AZ-KINGMAN-5unknown———
└ 24.121.74.0/24256CABLE-AZ-LAKEHAVASU-6unknown———
└ 24.121.75.0/24256CABLE-AZ-BULLHEAD-3unknown———
└ 24.121.76.0/221,024CABLE-AZ-LAKEHAVASU-7unknown———
└ 24.121.80.0/23512CABLE-AZ-FLAGSTAFF-7unknown———
└ 24.121.82.0/24256CABLE-AZ-KINGMAN-6unknown———
└ 24.121.83.0/24256CABLE-MO-STJOSEPH-3Cablevision of ST. Joseph (C00879655) · USReassignedAug 4, 2004[email protected]
via SUDDE-NETBLK-24-121-0-0
└ 24.121.84.0/24256CABLE-AZ-PAYSON-6unknown———
└ 24.121.85.0/24256CABLE-AZ-SEDONA-3unknown———
└ 24.121.86.0/23512CABLE-AZ-FLAGSTAFF-8unknown———
└ 24.121.88.0/24256FTTX-PTP-KRMC-1Kingman Regional Medical Center (C02730524) · USReassignedApr 5, 2011[email protected]
via SUDDE-NETBLK-24-121-0-0
└ 24.121.89.0/24256CABLE-MO-STJOSEPH-9unknown———
└ 24.121.90.0/24256CABLE-MO-STJOSEPH-9unknown———
└ 24.121.91.0/24256CABLE-AZ-SEDONA-4unknown———
└ 24.121.92.0/24256CABLE-AZ-BULLHEAD-4unknown———
└ 24.121.93.0/24256CABLE-AZ-FLAGSTAFF-2unknown———
└ 24.121.94.0/24256CABLE-CA-MAMMOTHLAKES-2unknown———
└ 24.121.95.0/24256CABLE-AZ-FLAGSTAFF-6unknown———
└ 24.121.96.0/23512CABLE-AZ-KINGMAN-3unknown———
└ 24.121.98.0/24256CABLE-AZ-PARKER-3unknown———
└ 24.121.99.0/24256CABLE-AZ-PAYSON-7unknown———
└ 24.121.100.0/24256CABLE-CA-MAMMOTHLAKES-3unknown———
└ 24.121.101.0 - 24.121.102.0257CABLE-MO-STJOSEPH-4unknown———
└ 24.121.103.0/24256CABLE-AZ-SEDONA-5unknown———
└ 24.121.104.0/23512CABLE-AZ-FLAGSTAFF-10unknown———
└ 24.121.106.0/24256CABLE-AZ-PARKER-4unknown———
└ 24.121.107.0 - 24.121.109.255768CABLE-AZ-FLAGSTAFF-11unknown———
└ 24.121.110.0/23512CABLE-AZ-LAKEHAVASU-4unknown———
└ 24.121.112.0/221,024CABLE-MO-STJOSEPH-6Cablevision of ST. Joseph (C01112217) · USReassignedJun 9, 2005[email protected]
via SUDDE-NETBLK-24-121-0-0
└ 24.121.116.0/23512CABLE-AZ-KINGMAN-4unknown———
└ 24.121.118.0/23512CABLE-AZ-BULLHEAD-5unknown———
└ 24.121.120.0/23512CABLE-AZ-FLAGSTAFF-12unknown———
└ 24.121.122.0/24256CABLE-AZ-PAYSON-5unknown———
└ 24.121.123.0 - 24.121.124.255512CABLE-AZ-PHOENIX-1unknown———
└ 24.121.125.0/24256CABLE-MO-OFMLIVE-1unknown———
└ 24.121.126.0/23512CABLE-AZ-FLAGSTAFF-13unknown———

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 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