Data as of Nov 11, 2026

199.2.135.0/24

No anonymizer space · no proxy exits in 30 days

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

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
199.0.0.0/14
since May 2024
AS174Internet providerIP broker Rackdog (part)31
4 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
199.0.0.0/14262,144COGENT-199-0-0Cogent Communications, LLC (COGC) · USDirect AllocationSep 8, 1993abuse@cogentco.com
└ 199.2.135.0/24256SPRINT-C70287Bridgeband Communications (BRIDGE-19) · USReassignedSep 10, 1999—

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2013 · 13 yr
Origin networks
2
Last change of origin
May 2013
Recorded history

History

Handoffs
1