AS24253
J-Stream Inc. Content registered in Japan
2IPv4 prefixes
1IPv6 prefixes
67%RPKI-valid
#22,423AS Rank
327/327RIS visibility
#540Rank in Japan
2004-10-19Allocated
J-Stream Inc. (AS24253) — Content, registered in Japan. announces 2 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #540. Allocated: 2004-10-19.
IPv4 2IPv6 1
Announced prefixes · 3
- v4 103.157.156.0/24 valid
- v4 202.79.240.0/21 valid
- v6 2401:dc40::/32 unknown
RPKI: rpki.cloudflare.com · 2026-06-17
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 |
Internet Exchanges · 3
- BBIX Tokyo Tokyo 200 Gbps
- JPIX TOKYO Tokyo 200 Gbps
- JPNAP Tokyo Tokyo 100 Gbps
Facilities · 1
- NTT DATA Otemachi Bldg Tokyo