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Data as of Nov 10, 2026

173.2.56.0/22

4 residential-proxy exits · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement
173.2.0.0/15
RPKI valid
Announced by
AS6128
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
4
0.39% of its addresses · 30 days
Always-on exits
1
25% of its exits
Spread
2 of 4
/24s with at least one exit
Providers
32
selling exits here
Oct 11, 2026 – Nov 9, 2026

Exits seen per day

3.1K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
173.2.57.0/2411
173.2.58.0/2403

Proxy providers listing exits

  • 711Proxy
  • BirdProxies
  • BottingTools
  • Byteful
  • ColaProxy
  • Decodo
  • EnigmaProxy
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • Geonode
  • GloryCloud
  • IPOasis
  • InfiniteProxies
  • LudaxProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PrivateProxy
  • Proxiware
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • ZENPROXY_LITE

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
173.2.0.0/15131,072CVISPOptimum Online (OPTO) · USDirect AllocationMay 12, 2008hostmaster@alticeusa.com
└ 173.2.56.0/221,024OOL-CPE-SMFRCT-173-2-56-0-22unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 173.2.0.0/15

173.2.0.0/15

Routing history

Pattern
Stable
First seen
May 2008
Current origin since
May 2008 · 18 yr
Origin networks
1