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Data as of Nov 5, 2026

74.88.0.0/15

No anonymizer space

Cablevision Systems Corp. · space held by Optimum Online

Announcement
this exact prefix
RPKI valid
Announced by
AS6128
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
2,346
1.8% of its addresses · listed by providers
Always-on exits
524
22% of its exits
Spread
390 of 512
/24s with at least one exit
Providers
113
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
74.88.122.0/241121
74.88.62.0/24613
74.88.63.0/24612
74.89.58.0/24611
74.88.148.0/24610
74.88.121.0/24516
74.89.213.0/24513
74.89.161.0/24510
74.89.160.0/2459
74.89.96.0/2459
74.88.8.0/2459
74.88.32.0/24421
74.88.123.0/24416
74.89.110.0/24416
74.89.56.0/24415
74.88.92.0/24414
74.88.239.0/24413
74.89.176.0/24412
74.88.9.0/24412
74.88.0.0/24411
74.89.108.0/24411
74.88.255.0/2449
74.88.234.0/2449
74.89.248.0/2449

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
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • MrScraper
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • Proxies.fo
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxmint
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • RealProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • WealthProxies
  • YumiProxy

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
74.89.0.0/24
since Jan 2023
AS6128ResidentialOptimum Online

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
74.88.0.0 - 74.90.255.255196,608NETBLK-OOL-8BLKOptimum Online (OPTO) · USDirect AllocationMar 4, 2009hostmaster@alticeusa.com
└ 74.88.0.0/204,096OOL-CPE-NRWLCT-74-88-0-0-20unknown———
└ 74.88.16.0/204,096OOL-CPE-RVHDNY-74-88-16-0-20unknown———
└ 74.88.32.0/212,048OOL-CPE-NBRGNJ-74-88-32-0-1-21unknown———
└ 74.88.40.0/221,024OOL-CPE-HCKNNJ-74-88-40-0-22unknown———
└ 74.88.44.0/221,024OOL-CPE-DOVRNY-74-88-44-0-1-22unknown———
└ 74.88.48.0/212,048OOL-CPE-NWRKNJ-74-88-48-0-21unknown———
└ 74.88.56.0/212,048OOL-CPE-NRWLCT-74-88-56-0-21unknown———
└ 74.88.64.0/204,096OOL-CPE--74-88-64-0-20unknown———
└ 74.88.80.0/212,048OOL-CPE-HMTMNJ-74-88-80-0-1-21unknown———
└ 74.88.88.0/212,048OOL-CPE-NBRGNJ-74-88-88-0-1-21unknown———
└ 74.88.96.0/23512OOL-CPE-LWBONY-74-88-96-0-23unknown———
└ 74.88.98.0/23512OOL-CPE-RNDHNJ-74-88-98-0-23unknown———
└ 74.88.100.0/221,024OOL-CPE-PRNYNJ-74-88-100-0-22unknown———
└ 74.88.104.0/212,048OOL-CPE-NANTNY-74-88-104-0-1-21unknown———
└ 74.88.112.0/221,024OOL-CPE-NWRKNJ-74-88-112-0-1-22unknown———
└ 74.88.116.0/23512OOL-CPE-HCVLNY-74-88-116-0-23unknown———
└ 74.88.118.0/23512OOL-CPE-RNDHNJ-74-88-118-0-23unknown———
└ 74.88.120.0/212,048OOL-CPE-NYK5NY-74-88-120-0-1-21unknown———
└ 74.88.130.0/23512OOL-CPE-OSNGNY-74-88-130-0-1-23unknown———
└ 74.88.132.0/221,024OOL-CPE-NYK3NY-74-88-132-0-22unknown———
└ 74.88.136.0/221,024OOL-CPE-NANTNY-74-88-136-0-1-22unknown———
└ 74.88.140.0/23512OOL-CPE-OSNGNY-74-88-140-0-1-23unknown———
└ 74.88.144.0/212,048OOL-CPE-NYK5NY-74-88-144-0-1-21unknown———
└ 74.88.152.0/212,048OOL-CPE-HCVLNY-74-88-152-0-21unknown———
└ 74.88.160.0/221,024OOL-CPE-NYX5NY-74-88-160-0-1-22unknown———
└ 74.88.164.0/23512OOL-CPE-BRPTCT-74-88-164-0-1-23unknown———
└ 74.88.166.0/23512OOL-CPE-HCVLNY-74-88-166-0-1-23unknown———
└ 74.88.168.0/23512OOL-CPE-CTMHNY-74-88-168-0-23unknown———
└ 74.88.170.0/23512OOL-CPE-NYX5NY-74-88-170-0-1-23unknown———
└ 74.88.172.0/23512OOL-CPE-NYX1NY-74-88-172-0-23unknown———
└ 74.88.174.0/23512OOL-CPE-WHPLNY-74-88-174-0-1-23unknown———
└ 74.88.176.0/23512OOL-CPE-WHPLNY-74-88-176-0-1-23unknown———
└ 74.88.178.0/23512OOL-CPE-NYX5NY-74-88-178-0-1-23unknown———
└ 74.88.180.0/221,024OOL-CPE-CORMNY-74-88-180-0-1-22unknown———
└ 74.88.184.0/221,024OOL-CPE-CORMNY-74-88-184-0-1-22unknown———
└ 74.88.188.0/221,024OOL-CPE-WHPLNY-74-88-188-0-22unknown———
└ 74.88.192.0/212,048OOL-CPE-SYRVNJ-74-88-192-0-21unknown———
└ 74.88.200.0/212,048OOL-CPE-WRWKNY-74-88-200-0-1-21unknown———
└ 74.88.208.0/221,024OOL-CPE-CORMNY-74-88-208-0-1-22unknown———
└ 74.88.220.0/23512OOL-CPE-LTFDCT-74-88-220-0-1-23unknown———
└ 74.88.222.0/23512OOL-CPE-WHPLNY-74-88-222-0-23unknown———
└ 74.88.224.0/204,096OOL-CPE-HCVLNY-74-88-224-0-20unknown———
└ 74.88.248.0/212,048OOL-CPE-PRNYNJ-74-88-248-0-21unknown———
└ 74.89.0.0/23512OOL-CPE-HCVLNY-74-89-0-0-23Optimum Online (Cablevision Systems) (C02431958) · USReassignedFeb 26, 2010hostmaster@alticeusa.com
via NETBLK-OOL-8BLK
└ 74.89.2.0/24256OOL-CPE--74-89-2-0-24unknown———
└ 74.89.3.0/2664OOL-CPE-HCVLNY-74-89-3-0-26unknown———
└ 74.89.3.64/2664OOL-CPE-HCVLNY-74-89-3-64-26unknown———
└ 74.89.3.128/2664OOL-CPE-HCVLNY-74-89-3-128-26unknown———
└ 74.89.3.192/2664OOL-CPE-CMTS-74-89-3-192-26unknown———
└ 74.89.4.0/221,024OOL-CPE-HCVLNY-74-89-4-0-1-22unknown———
└ 74.89.8.0/212,048OOL-CPE-CORMNY-74-89-8-0-1-21unknown———
└ 74.89.16.0/221,024OOL-CPE-HCVLNY-74-89-16-0-1-22unknown———
└ 74.89.20.0/221,024OOL-CPE-NYX5NY-74-89-20-0-22unknown———
└ 74.89.24.0/212,048OOL-CPE-HCVLNY-74-89-24-0-21unknown———
└ 74.89.36.0/23512OOL-CPE-MLFDCT-74-89-36-0-1-23unknown———
└ 74.89.38.0/23512OOL-CPE-NYK3NY-74-89-38-0-23unknown———
└ 74.89.40.0/212,048OOL-CPE-NYK2NY-74-89-40-0-21unknown———
└ 74.89.48.0/212,048OOL-CPE-CFTNNJ-74-89-48-0-1-21unknown———
└ 74.89.56.0/212,048OOL-CPE-NYX5NY-74-89-56-0-21unknown———
└ 74.89.64.0/204,096OOL-CPE-SOLDNY-74-89-64-0-20unknown———
└ 74.89.80.0/212,048OOL-CPE-LWBONY-74-89-80-0-21unknown———
└ 74.89.88.0/212,048OOL-CPE-BRFDNJ-74-89-88-0-1-21unknown———
└ 74.89.96.0/212,048OOL-CPE-RVHDNY-74-89-96-0-1-21unknown———
└ 74.89.104.0/212,048OOL-CPE-CFTNNJ-74-89-104-0-1-21unknown———
└ 74.89.112.0/221,024OOL-CPE-NYX4NY-74-89-112-0-22unknown———
└ 74.89.118.0/23512OOL-CPE-WHPLNY-74-89-118-0-1-23unknown———
└ 74.89.120.0/221,024OOL-CPE-NYX4NY-74-89-120-0-1-22unknown———
└ 74.89.126.0/23512OOL-CPE-MLFDCT-74-89-126-0-1-23unknown———
└ 74.89.128.0/204,096OOL-CPE-NANTNY-74-89-128-0-1-20unknown———
└ 74.89.144.0/204,096OOL-CPE-PRNYNJ-74-89-144-0-1-20unknown———
└ 74.89.160.0/204,096OOL-CPE-BYNNNJ-74-89-160-0-20unknown———
└ 74.89.176.0/212,048OOL-CPE-NYX5NY-74-89-176-0-21unknown———
└ 74.89.184.0/212,048OOL-CPE-NBRGNJ-74-89-184-0-21unknown———
└ 74.89.192.0/204,096OOL-CPE-SOLDNY-74-89-192-0-20unknown———
└ 74.89.208.0/212,048OOL-CPE-NYX4NY-74-89-208-0-21unknown———
└ 74.89.216.0/212,048OOL-CPE-PRNYNJ-74-89-216-0-21unknown———
└ 74.89.224.0/212,048OOL-CPE-GRVONY-74-89-224-0-21unknown———
└ 74.89.232.0/212,048OOL-CPE-ISLPNY-74-89-232-0-21unknown———
└ 74.89.240.0/23512OOL-CPE-CFTNNJ-74-89-240-0-23unknown———
└ 74.89.242.0/23512OOL-CPE-MMRNNY-74-89-242-0-1-23unknown———
└ 74.89.244.0/221,024OOL-CPE-JCSNNJ-74-89-244-0-1-22unknown———
└ 74.89.248.0/221,024OOL-CPE-NWRKNJ-74-89-248-0-1-22unknown———
└ 74.89.252.0/221,024OOL-CPE-FFLDCT-74-89-252-0-22unknown———

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

131,072 addresses
TypeAddressesShareRanges
Residential130,880>99%4
Business1920.15%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS6128

US
Name
Cablevision Systems Corp.
Type
Internet provider
Domain
cablevision.com
Website
www.optimum.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed