AS11811 Oppenheimer & Co. Inc. 🇺🇸 US
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
0
-
Upstreams
1
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
- AS11811
- Name
- Oppenheimer & Co. Inc.
- Organisation
- Oppenheimer & Co. Inc.
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2007-01-17
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 204.86.250.0/24 v4 | no ROA | 43 | 3278711811 | 2026-09-18 |
| 209.127.49.0/24 v4 | no ROA | 43 | 3278711811 | 2026-09-18 |