$ query “AS11924” --type=asn → 1 result(s)
AS11924 · MONTANA-OPTICOM
Montana Opticom LLC
AS11924 belongs to Montana Opticom LLC and is a residential access provider, registered in the United States since 2007. The system announces a respectable 16 384 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- March 06, 2007
- Last Changed
- October 01, 2026
- Last Seen
- October 23, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 44 / 10
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 16 384
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇺🇸 United States (16 384 IPs)
- Prefix Changed
- October 16, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 19 networks exchanging traffic without transit
- Downstream Customers
- 2 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 27 unique BGP neighbors
- Reach
- 3 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (44 total)
- 64.79.32.0/20 (4 096 addresses (/20 prefix))
- 69.163.80.0/20 (4 096 addresses (/20 prefix))
- 204.250.80.0/21 (2 048 addresses (/21 prefix))
- 208.83.40.0/21 (2 048 addresses (/21 prefix))
- 63.166.28.0/22 (1 024 addresses (/22 prefix))
- 206.228.140.0/22 (1 024 addresses (/22 prefix))
- 208.75.140.0/22 (1 024 addresses (/22 prefix))
- 205.243.72.0/23 (512 addresses (/23 prefix))
- 199.2.135.0/24 (256 addresses (/24 prefix))
- 208.14.180.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2607:faa0::/32