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Data as of Nov 11, 2026

205.243.72.0/23

5 residential-proxy exits · 30 days

Montana Opticom, LLC · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS11924
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
5
0.98% of its addresses · 30 days
Spread
2 of 2
/24s with at least one exit
Providers
16
selling exits here
Oct 13, 2026 – Nov 11, 2026

Exits seen per day

512 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
205.243.73.0/2403
205.243.72.0/2402

Proxy providers listing exits

  • AnyIP
  • Evomi
  • FastProxy
  • FloppyData
  • GhostConnect
  • InfiniteProxies
  • LemonBright
  • LudaxProxy
  • NovaProxy
  • PROXYON
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • ThunderProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
205.240.0.0/13AS174Internet providerIP broker Rackdog (part)36
2 always on
Cogent Communications, LLC

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
205.240.0.0/13524,288COGENT-205-240-0Cogent Communications, LLC (COGC) · USDirect AllocationApr 24, 1995abuse@cogentco.com
└ 205.243.72.0/23512SPRINT-CDF348Bridgeband Communications (BRIDGE-19) · USReassignedSep 14, 1999—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Jul 2007
Current origin since
May 2013 · 13 yr
Origin networks
2
Last change of origin
May 2013
Recorded history

History

Handoffs
1