AS10309 County of Marin 🇺🇸 US
Announcing 12 prefixes, seen at the RIS collectors.
IPv4 prefixes
12
9,472 (37 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS10309
- Name
- County of Marin
- Organisation
- County of Marin
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1997-06-23
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
12 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 107.0.46.0/23 v4 | RPKI valid | 40 | 701879223365110309 | 2026-09-18 |
| 199.88.64.0/21 v4 | no ROA | 42 | 701810309 | 2026-09-18 |
| 199.88.72.0/22 v4 | no ROA | 41 | 701810309 | 2026-09-18 |
| 199.88.76.0/23 v4 | no ROA | 13 | 701810309 | 2026-09-18 |
| 199.88.79.0/24 v4 | no ROA | 13 | 701810309 | 2026-09-18 |
| 199.88.80.0/21 v4 | no ROA | 42 | 701810309 | 2026-09-18 |
| 199.88.88.0/22 v4 | no ROA | 41 | 701810309 | 2026-09-18 |
| 199.88.113.0/24 v4 | no ROA | 25 | 701810309 | 2026-09-18 |
| 199.88.114.0/23 v4 | no ROA | 13 | 701810309 | 2026-09-18 |
| 199.88.116.0/23 v4 | no ROA | 41 | 701810309 | 2026-09-18 |
| 199.88.118.0/24 v4 | no ROA | 42 | 3772133563366710309 | 2026-09-18 |
| 199.88.120.0/23 v4 | no ROA | 42 | 3772133563366710309 | 2026-09-18 |