AS4043 Montana Internet Corporation 🇺🇸 US
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
25,344 (99 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
2
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS4043
- Name
- Montana Internet Corporation
- Organisation
- Montana Internet Corporation
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1994-11-17
- Network type
- Cable/DSL/ISP
- Traffic levels
- 10-20Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-SET-AS4043
- Website
- http://www.mt.net
- PeeringDB
- net/8862
- Exchanges
- 1
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
5 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 199.5.172.0/24 v4 | no ROA | 42 | 244824043 | 2026-09-18 |
| 205.207.148.0/23 v4 | no ROA | 42 | 3454964614043 | 2026-09-18 |
| 206.127.64.0/18 v4 | no ROA | 42 | 244824043 | 2026-09-18 |
| 209.161.128.0/19 v4 | no ROA | 42 | 244824043 | 2026-09-18 |
| 2607:f6b8::/32 v6 | no ROA | 34 | 3454964614043 | 2026-09-18 |