AS17937 NIKKEI ADVANCED SYSTEMS INC. 🇯🇵 JP
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
5,376 (21 × /24)
IPv6 prefixes
1
1 × /32
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
- AS17937
- Name
- NIKKEI ADVANCED SYSTEMS INC.
- Organisation
- NIKKEI ADVANCED SYSTEMS INC.
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2001-09-21
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 |
|---|---|---|---|---|
| 115.187.92.0/22 v4 | no ROA | 43 | 345492914471317937 | 2026-09-18 |
| 202.26.187.0/24 v4 | no ROA | 43 | 345492914471317937 | 2026-09-18 |
| 218.216.16.0/20 v4 | no ROA | 43 | 345492914471317937 | 2026-09-18 |
| 2404:cb00::/32 v6 | no ROA | 33 | 380012914471317937 | 2026-09-18 |