AS397635 Synopsys Inc. 🇺🇸 US
Announcing 16 prefixes, seen at the RIS collectors.
IPv4 prefixes
16
6,912 (27 × /24)
IPv6 prefixes
0
-
Upstreams
4
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
- AS397635
- Name
- Synopsys Inc.
- Organisation
- Synopsys Inc.
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2019-06-11
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
16 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 149.117.1.0/24 v4 | no ROA | 6 | 7018397635 | 2026-09-18 |
| 149.117.4.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |
| 149.117.7.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |
| 149.117.72.0/21 v4 | no ROA | 43 | 7018397635 | 2026-09-18 |
| 149.117.73.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |
| 149.117.74.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |
| 149.117.75.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |
| 149.117.76.0/24 v4 | no ROA | 41 | 7018397635 | 2026-09-18 |
| 149.117.79.0/24 v4 | no ROA | 41 | 7018397635 | 2026-09-18 |
| 149.117.87.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |
| 149.117.92.0/23 v4 | no ROA | 40 | 2265229909397635 | 2026-09-18 |
| 149.117.92.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |
| 149.117.93.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |
| 149.117.96.0/22 v4 | no ROA | 43 | 345496461397635 | 2026-09-18 |
| 149.117.96.0/24 v4 | no ROA | 41 | 345496461397635 | 2026-09-18 |
| 149.117.98.0/24 v4 | no ROA | 43 | 377213356397635 | 2026-09-18 |