AS12185 Thompson, Siegel & Walmsley LLC 🇺🇸 US
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
768 (3 × /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
- AS12185
- Name
- Thompson, Siegel & Walmsley LLC
- Organisation
- Thompson, Siegel & Walmsley LLC
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2009-02-03
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 8.43.93.0/24 v4 | no ROA | 42 | 37721335612185 | 2026-09-18 |
| 74.63.155.0/24 v4 | no ROA | 42 | 37721335612185 | 2026-09-18 |
| 209.96.132.0/24 v4 | RPKI valid | 43 | 37721335612185 | 2026-09-18 |