Data as of Nov 9, 2026
208.75.143.0/24
No anonymizer space · no proxy exits in 30 daysMontana Opticom, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 208.75.140.0/22 since Jul 2026 | AS11924 | Residential | 1 | Montana 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 208.75.140.0/22 | 1,024 | MONTANA-OPTICOM-208-75-140 | Montana Opticom, LLC (MONTA-16) · US | Direct Allocation | Feb 27, 2007 | support@ |
| └ 208.75.143.0/30 | 4 | CUST-208-75-143-0-30 | unknown | — | — | — |
| └ 208.75.143.48/30 | 4 | CUST-208-75-143-48-30 | unknown | — | — | — |
| └ 208.75.143.88/29 | 8 | 208-75-143-88-29 | unknown | — | — | — |
| └ 208.75.143.96/29 | 8 | 208-75-143-96-29 | unknown | — | — | — |
| └ 208.75.143.200/30 | 4 | 208-75-143-200-30 | unknown | — | — | — |
| └ 208.75.143.208/29 | 8 | 208-75-143-208-29 | unknown | — | — | — |
Network & registry
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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2012
- Current origin since
- Apr 2012 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 208.75.140.0/22 | AS11924 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11924 | ARIN | 208.75.143.0/24 | MNT-MONTA-16 | Nov 8, 2023 |
Whois
Registration for this announcement
- Range
- 208.
75. 140. 0/ 22 - Netname
- MONTANA-OPTICOM-208-75-140
- Registrant
- Montana Opticom, LLC
- Organization
- Montana Opticom, LLC (MONTA-16)
- Org address
- 144 Quail Run Road, Bozeman, MT, 59718
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-208-75-140-0-1
- Parent
- NET-208-0-0-0-0
- Created
- Feb 27, 2007
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 27, 2007
- Status
- assigned
Report abuse
Abuse contact
- support@
mt-opticom. com - Name
- MT-Opticom Abuse
- Phone
- +1-406-999-5000
- Handle
- MTOPT2-ARIN