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Data as of Nov 11, 2026

158.121.0.0/16

12 residential-proxy exits · 30 days

UMASSNET · space held by University of Massachusetts at Boston

Announcement
this exact prefix
No RPKI
Announced by
AS1968
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
12
0.02% of its addresses · 30 days
Always-on exits
1
8.3% of its exits
Spread
2 of 256
/24s with at least one exit
Providers
47
selling exits here
Oct 12, 2026 – Nov 10, 2026

Exits seen per day

1.6K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
158.121.180.0/24111
158.121.158.0/2401

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BottingTools
  • Bright Data
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • DataImpulse
  • EnigmaProxy
  • FastProxy
  • FloppyData
  • Geonode
  • GloryCloud
  • HideProxy
  • IPFly
  • IPPeak
  • IPRoyal
  • InfiniteProxies
  • Kookey
  • LemonBright
  • LudaxProxy
  • NovaProxy
  • PacketStream
  • PrivateByte
  • ProxiesVision
  • Proxmint
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • Proxying
  • PuraRoute
  • RainProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive
  • WealthProxies
  • ZENPROXY_PREMIUM

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1