AS18135
BTV CO.,LTD. ISP registered in Japan
10IPv4 prefixes
1IPv6 prefixes
82%RPKI-valid
#19,302AS Rank
327/327RIS visibility
#232Rank in Japan
2002-03-21Allocated
BTV CO.,LTD. (AS18135) — ISP, registered in Japan. announces 10 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #232. Allocated: 2002-03-21.
IPv4 10IPv6 1
Announced prefixes · 11
- v4 103.205.48.0/22 valid
- v4 153.124.224.0/21 valid
- v4 163.131.104.0/22 unknown
- v4 163.131.108.0/22 unknown
- v4 182.23.216.0/21 valid
- v4 203.211.32.0/20 valid
- v4 203.211.48.0/21 valid
- v4 219.100.88.0/22 valid
- v4 219.103.0.0/19 valid
- v4 42.83.0.0/18 valid
- v6 2401:d500::/32 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 10 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 11 |
| 2026-06-13 | 11 |
Internet Exchanges · 6
- BBIX Fukuoka Fukuoka 20 Gbps
- BBIX Osaka Osaka 20 Gbps
- BBIX Tokyo Tokyo 20 Gbps
- JPIX OSAKA Osaka 20 Gbps
- JPIX TOKYO Tokyo 20 Gbps
- JPNAP Fukuoka Fukuoka 20 Gbps
Facilities · 3
- AT TOKYO (CC1/CC2) Tokyo
- NTT DATA Dojima (building #4) Osaka
- QTnet Fukuoka Data Center 3(QD3) Fukuoka
AS topology · Customer cone 1
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