AS37891 JR TOKAI Information Systems Company 🇯🇵 JP
Announcing 8 prefixes, seen at the RIS collectors.
IPv4 prefixes
8
3,840 (15 × /24)
IPv6 prefixes
0
-
Upstreams
3
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
- AS37891
- Name
- JR TOKAI Information Systems Company
- Organisation
- JR TOKAI Information Systems Company
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2006-01-30
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
8 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 58.147.160.0/21 v4 | no ROA | 42 | 38001251637891 | 2026-09-18 |
| 58.147.162.0/24 v4 | no ROA | 42 | 7018249737891 | 2026-09-18 |
| 58.147.163.0/24 v4 | no ROA | 42 | 7018249737891 | 2026-09-18 |
| 58.147.165.0/24 v4 | no ROA | 42 | 7018249737891 | 2026-09-18 |
| 58.147.166.0/24 v4 | no ROA | 42 | 7018249737891 | 2026-09-18 |
| 58.147.167.0/24 v4 | no ROA | 42 | 7018249737891 | 2026-09-18 |
| 192.218.65.0/24 v4 | no ROA | 42 | 38001251637891 | 2026-09-18 |
| 192.218.66.0/24 v4 | no ROA | 42 | 38001251637891 | 2026-09-18 |