AS55900
GLBB Japan KK ISP registered in Japan
25IPv4 prefixes
1IPv6 prefixes
100%RPKI-valid
#422AS Rank
327/327RIS visibility
#118Rank in Japan
2010-11-29Allocated
GLBB Japan KK (AS55900) — ISP, registered in Japan. announces 25 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #118. Allocated: 2010-11-29.
IPv4 25IPv6 1
Announced prefixes · 26
- v4 103.100.189.0/24 valid
- v4 103.100.190.0/23 valid
- v4 103.13.248.0/22 valid
- v4 103.250.92.0/22 valid
- v4 103.250.92.0/24 valid
- v4 103.250.93.0/24 valid
- v4 103.7.88.0/22 valid
- v4 109.236.0.0/20 valid
- v4 123.100.136.0/22 valid
- v4 123.100.156.0/22 valid
- v4 137.220.16.0/20 valid
- v4 180.131.208.0/20 valid
- v4 180.131.210.0/24 valid
- v4 180.131.224.0/20 valid
- v4 180.131.240.0/20 valid
- v4 198.144.128.0/20 valid
- v4 202.12.244.0/22 valid
- v4 202.171.224.0/21 valid
- v4 203.23.200.0/22 valid
- v4 218.223.128.0/21 valid
- v4 218.223.128.0/22 valid
- v4 218.223.132.0/22 valid
- v4 27.0.16.0/20 valid
- v4 27.0.31.0/24 valid
- v4 43.248.160.0/22 valid
- v6 2404:2d00::/32 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 27 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 26 |
| 2026-06-13 | 26 |
| 2026-06-14 | 26 |
Internet Exchanges · 7
- BBIX Osaka Osaka 100 Gbps
- BBIX Tokyo Tokyo 100 Gbps
- Equinix Tokyo Tokyo 100 Gbps
- JCIX Japan 100 Gbps
- JPIX TOKYO Tokyo 100 Gbps
- JPNAP Tokyo Tokyo 100 Gbps
- RIX (RYUKYUIX) Urasoe, Naha, Ginoza, Nago, Uruma, Okinawa 40 Gbps
Facilities · 14
- AT TOKYO (CC1/CC2) Tokyo
- Digital Realty Tokyo - NRT10 Inzai-City
- Equinix OS3 - Osaka Osaka
- Equinix TY1 - Tokyo Tokyo
- Equinix TY10 - Tokyo Tokyo
- Equinix TY2 - Tokyo Tokyo
- Equinix TY4 - Tokyo Tokyo
- FRT iDC Okinawa Urasoe
- Ginoza Village IT Operation Park Ginoza Village
- NTT DOCOMO BUSINESS TK3 - Tokyo Tokyo
- NTT Communications Jitchaku Buillding Urasoe
- NTT DATA Dojima (building #4) Osaka
- Nago Mirai2 Data Center Nago
- Otemachi Place West Tower (BBTower Shin-Otemachi) Tokyo
AS topology · Customer cone 117
Providers · 4
Peers · 15
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