AS23631
Sofu System, Inc Unknown registered in Japan
2IPv4 prefixes
1IPv6 prefixes
#22,159AS Rank
327/327RIS visibility
#540Rank in Japan
2003-01-31Allocated
Sofu System, Inc (AS23631) — Unknown, registered in Japan. announces 2 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #540. Allocated: 2003-01-31.
IPv4 2IPv6 1
Announced prefixes · 3
- v4 202.243.120.0/21 unknown
- v4 210.236.208.0/20 unknown
- v6 2402:b300::/32 unknown
Routing: 2 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 3 |
| 2026-06-13 | 3 |
AS topology · Customer cone 1
Providers · 1
- AS18070 Global Network Core Co.,Ltd.