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Data as of Nov 15, 2026

24.121.0.0/16

576 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
576
0.88% of its addresses · 30 days
Always-on exits
65
11% of its exits
Spread
145 of 256
/24s with at least one exit
Providers
130
selling exits here
Oct 16, 2026 – Nov 14, 2026

Exits seen per day

485K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
24.121.90.0/2439
24.121.168.0/2438
24.121.12.0/2438
24.121.14.0/2437
24.121.28.0/2428
24.121.210.0/2427
24.121.158.0/2426
24.121.208.0/2426
24.121.200.0/2426
24.121.43.0/2426
24.121.110.0/2424
24.121.159.0/2424
24.121.79.0/2423
24.121.204.0/2423
24.121.154.0/24110
24.121.238.0/2418
24.121.56.0/2418
24.121.156.0/2418
24.121.145.0/2418
24.121.58.0/2417
24.121.16.0/2417
24.121.76.0/2417
24.121.42.0/2416
24.121.37.0/2416

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BESTPROXY_NET
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EVOPROXY
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HELODATA
  • HPROXY
  • HideProxy
  • HydraProxy
  • IP2WORLD
  • IPCola
  • IPFly
  • IPMUSK
  • IPOasis
  • IPPeak
  • IPROCKET_BASIC
  • IPROCKET_PREMIUM
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LOKIPROXY
  • LemonBright
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • MoMoProxy
  • MrScraper
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYFALL
  • PROXYON
  • PROXYSAVER
  • PROXYSCRAPE
  • PSBProxy
  • PYPROXY
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • Proxies.fo
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • SIMPLYNODE
  • SPYDERPROXY_BASIC
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_PREMIUM
  • TORCHPROXIES_X
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • WealthProxies
  • YumiProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
24.121.0.0/17
since Feb 2012
AS19108Residential360
33 always on
Optimum
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
24.121.128.0/17
since Feb 2012
AS19108Residential218
32 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
└ 24.121.0.0/212,048NETBLK-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, 2004abuse@suddenlink.net
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, 2011abuse@suddenlink.net
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, 2005abuse@suddenlink.net
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———
└ 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———

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Residential65,488>99%12
Business480.07%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jul 2011
Current origin since
Jul 2011 · 15 yr
Origin networks
1