AS609 Ernst & Young LLP 🇺🇸 US
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
4,864 (19 × /24)
IPv6 prefixes
1
4,096 × /48
Upstreams
2
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
- AS609
- Name
- Ernst & Young LLP
- Organisation
- Ernst & Young LLP
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2009-07-22
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 |
|---|---|---|---|---|
| 199.52.148.0/24 v4 | RPKI valid | 43 | 377213356609 | 2026-09-18 |
| 199.52.149.0/24 v4 | RPKI valid | 43 | 377213356609 | 2026-09-18 |
| 199.52.150.0/24 v4 | RPKI valid | 43 | 377213356609 | 2026-09-18 |
| 199.52.240.0/20 v4 | RPKI valid | 44 | 3454913237609 | 2026-09-18 |
| 2602:80d:8000::/36 v6 | RPKI valid | 35 | 377213356609 | 2026-09-18 |