AS18615 Mainstream Fiber Networks, LLC 🇺🇸 US
Announcing 9 prefixes, seen at the RIS collectors.
IPv4 prefixes
8
38,400 (150 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
2
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS18615
- Name
- Mainstream Fiber Networks, LLC
- Organisation
- Mainstream Fiber Networks
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2013-11-12
- Network type
- NSP
- Traffic levels
- 20-50Gbps
- Scope
- North America
- Peering policy
- Open
- IRR as-set
- AS18615:AS-ALL
- Website
- https://www.msfiber.net
- PeeringDB
- net/12200
- Exchanges
- 3
- Facilities
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
9 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 23.252.0.0/20 v4 | RPKI valid | 41 | 1490718615 | 2026-09-18 |
| 38.2.0.0/19 v4 | no ROA | 41 | 1490718615 | 2026-09-18 |
| 38.194.0.0/18 v4 | no ROA | 41 | 1490718615 | 2026-09-18 |
| 74.116.20.0/22 v4 | RPKI valid | 41 | 1490718615 | 2026-09-18 |
| 147.160.8.0/21 v4 | RPKI valid | 41 | 1490718615 | 2026-09-18 |
| 149.20.248.0/21 v4 | RPKI valid | 41 | 1490718615 | 2026-09-18 |
| 163.182.176.0/20 v4 | RPKI valid | 41 | 1490718615 | 2026-09-18 |
| 206.126.242.0/23 v4 | RPKI valid | 41 | 1490718615 | 2026-09-18 |
| 2607:1c80::/32 v6 | RPKI valid | 34 | 1490718615 | 2026-09-18 |