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Data as of Nov 3, 2026

205.243.72.0/24

2 residential-proxy exits · 30 days

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

Announcement
205.243.72.0/23
No RPKI
Announced by
AS11924
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
2
0.78% of its addresses · 30 days
Providers
4
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

23 observations

Proxy providers listing exits

  • FastProxy
  • LemonBright
  • RainProxy
  • Shifter

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
205.240.0.0/13AS174Internet provider33
3 always on
Cogent Communications, LLC

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
205.240.0.0/13524,288COGENT-205-240-0Cogent Communications, LLC (COGC) · USDirect AllocationApr 24, 1995[email protected]
└ 205.243.72.0/23512SPRINT-CDF348Bridgeband Communications (BRIDGE-19) · USReassignedSep 14, 1999—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 205.243.72.0/23

Prefix
205.243.72.0/23
Announced by
AS11924 Montana Opticom, LLC
Type
Residential
Proxy exits
4
RPKI
No RPKI
Netname
SPRINT-CDF348
Registrant
Bridgeband Communications
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
205.240.0.0/13
Registration type
Direct Allocation
Record created
Apr 24, 1995
Legacy
yes
Origin network

AS11924

US
Name
Montana Opticom, LLC
Type
Internet provider
Registered
Mar 6, 2007
Domain
mt-opticom.com
Website
mt-opticom.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed