AS10209 Japan HUB and Data Center 🇯🇵 JP
Synopsys. Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
1,280 (5 × /24)
IPv6 prefixes
0
-
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
- AS10209
- Name
- Japan HUB and Data Center
- Organisation
- Synopsys
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2007-09-25
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 149.117.1.0/24 v4 | no ROA | 3 | 557206939335610209 | 2026-09-18 |
| 198.182.50.0/23 v4 | no ROA | 41 | 345491299463710209 | 2026-09-18 |
| 198.182.50.0/24 v4 | no ROA | 43 | 37721335610209 | 2026-09-18 |
| 198.182.51.0/24 v4 | no ROA | 43 | 37721335610209 | 2026-09-18 |