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Data as of Nov 8, 2026

208.75.140.0/24

No anonymizer space · no proxy exits in 30 days

Montana Opticom, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS11924
Type
Residential
97% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
208.75.140.0/22
since Jul 2026
AS11924Residential1Montana Opticom, 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
208.75.140.0/221,024MONTANA-OPTICOM-208-75-140Montana Opticom, LLC (MONTA-16) · USDirect AllocationFeb 27, 2007support@mt-opticom.com
└ 208.75.140.0/2816208-75-140-0-28unknown———
└ 208.75.140.16/304208-75-140-16-30unknown———
└ 208.75.140.20/304208-75-140-20-30unknown———
└ 208.75.140.24/304208-75-140-24-30unknown———
└ 208.75.140.28/304208-75-140-28-30unknown———
└ 208.75.140.32/298208-75-140-32-29unknown———
└ 208.75.140.40/298208-75-140-40-29unknown———
└ 208.75.140.52/304208-75-140-52-30unknown———
└ 208.75.140.56/298208-75-140-56-29unknown———
└ 208.75.140.64/304208-75-140-64-30unknown———
└ 208.75.140.68/304208-75-140-68-30unknown———
└ 208.75.140.72/304208-75-140-72-30unknown———
└ 208.75.140.76/304208-75-140-76-30unknown———
└ 208.75.140.88/298MR-ROOTER-BZNunknown———
└ 208.75.140.96/298208-75-140-96-29unknown———
└ 208.75.140.104/298208-75-140-104-29unknown———
└ 208.75.140.112/298208-75-140-112-29unknown———
└ 208.75.140.120/304208-75-140-120-30unknown———
└ 208.75.140.124/304208-75-140-124-30unknown———
└ 208.75.140.128/298208-75-140-128-29unknown———
└ 208.75.140.136/298208-75-140-136-29unknown———
└ 208.75.140.144/298208-75-140-146-29unknown———
└ 208.75.140.152/298208-75-140-152-29unknown———
└ 208.75.140.160/298208-75-140-160-29unknown———
└ 208.75.140.172/304208-75-140-172-30unknown———
└ 208.75.140.192/298208-75-140-192-29unknown———
└ 208.75.140.200/298208-75-140-200-29unknown———
└ 208.75.140.208/298208-75-140-208-29unknown———
└ 208.75.140.216/304208-75-140-216-30unknown———
└ 208.75.140.220/304208-75-140-220-30unknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Residential24897%2
Business83.1%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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