Autonomous System
AS55900 GLBB Japan KK
ISPActiveJapanJPNIC
AS55900 (GLBB-JP) is an ISP network operated by GLBB Japan KK in Japan, registered with JPNIC. It has 29 IPv4 prefixes with 56,064 addresses and 1 IPv6 prefix, which makes it the 4,125th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses56,064in 29 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#4,125of 82,200 active ASNs
Details
OrganizationGLBB Japan KK
AS nameGLBB-JP
Websiteglbb.ne.jp
Country Japan (JP)
Network typeISP
RegistryJPNIC
Abuse contact—
Registered—
Last updated2013-08-27
IPv4 prefixes
29 prefixes · 56,064 addresses| Network | Addresses | First – last address |
|---|---|---|
| 27.0.16.0/20 | 4,096 | 27.0.16.0 – 27.0.31.255 |
| 104.222.192.0/20 | 4,096 | 104.222.192.0 – 104.222.207.255 |
| 109.236.0.0/20 | 4,096 | 109.236.0.0 – 109.236.15.255 |
| 137.220.16.0/20 | 4,096 | 137.220.16.0 – 137.220.31.255 |
| 172.97.80.0/20 | 4,096 | 172.97.80.0 – 172.97.95.255 |
| 180.131.208.0/20 | 4,096 | 180.131.208.0 – 180.131.223.255 |
| 180.131.224.0/20 | 4,096 | 180.131.224.0 – 180.131.239.255 |
| 180.131.240.0/20 | 4,096 | 180.131.240.0 – 180.131.255.255 |
| 198.144.128.0/20 | 4,096 | 198.144.128.0 – 198.144.143.255 |
| 104.222.208.0/21 | 2,048 | 104.222.208.0 – 104.222.215.255 |
| 202.171.224.0/21 | 2,048 | 202.171.224.0 – 202.171.231.255 |
| 218.223.128.0/21 | 2,048 | 218.223.128.0 – 218.223.135.255 |
| 43.248.160.0/22 | 1,024 | 43.248.160.0 – 43.248.163.255 |
| 103.7.88.0/22 | 1,024 | 103.7.88.0 – 103.7.91.255 |
| 103.13.248.0/22 | 1,024 | 103.13.248.0 – 103.13.251.255 |
| 103.250.92.0/22 | 1,024 | 103.250.92.0 – 103.250.95.255 |
| 104.222.216.0/22 | 1,024 | 104.222.216.0 – 104.222.219.255 |
| 123.100.136.0/22 | 1,024 | 123.100.136.0 – 123.100.139.255 |
| 123.100.156.0/22 | 1,024 | 123.100.156.0 – 123.100.159.255 |
| 202.12.244.0/22 | 1,024 | 202.12.244.0 – 202.12.247.255 |
| 203.23.200.0/22 | 1,024 | 203.23.200.0 – 203.23.203.255 |
| 218.223.128.0/22 | 1,024 | 218.223.128.0 – 218.223.131.255 |
| 218.223.132.0/22 | 1,024 | 218.223.132.0 – 218.223.135.255 |
| 103.100.190.0/23 | 512 | 103.100.190.0 – 103.100.191.255 |
| 27.0.31.0/24 | 256 | 27.0.31.0 – 27.0.31.255 |
27.0.16.0/20 104.222.192.0/20 109.236.0.0/20 137.220.16.0/20 172.97.80.0/20 180.131.208.0/20 180.131.224.0/20 180.131.240.0/20 198.144.128.0/20 104.222.208.0/21 202.171.224.0/21 218.223.128.0/21 43.248.160.0/22 103.7.88.0/22 103.13.248.0/22 103.250.92.0/22 104.222.216.0/22 123.100.136.0/22 123.100.156.0/22 202.12.244.0/22 203.23.200.0/22 218.223.128.0/22 218.223.132.0/22 103.100.190.0/23 27.0.31.0/24
The 25 largest of 29. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2404:2d00::/32
2404:2d00::/32
Query AS55900 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS55900&key=YOUR_API_KEY"Any address in its prefixes resolves to AS55900, with or without a key:
curl "https://api.ipapi.is/?q=27.0.16.1"Largest networks in Japan
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