AS55900
Glbb Japan KK — glbb.jp
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Summary
| Country |
 Japan
|
| Organization | Glbb Japan KK |
| Domain | glbb.jp |
| Number of IPv4 | 44,032 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | JPNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | August 27, 2013 (about 12 years ago) |
IP Ranges
AS55900 announces 26 IPv4 ranges and 1 IPv6 range.
That's a total of 44,032 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 27.0.16.0/20 |
GLBB JAPAN K.K.
|
4,096 | JPNIC | |
| 27.0.31.0/24 |
GLBB JAPAN K.K.
|
256 | JPNIC | |
| 43.248.160.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 103.7.88.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 103.13.248.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 103.100.189.0/24 |
Glbb Japan KK
|
256 | JPNIC | |
| 103.100.190.0/23 |
Glbb Japan KK
|
512 | JPNIC | |
| 103.250.92.0/24 |
Glbb Japan KK
|
256 | JPNIC | |
| 103.250.92.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 103.250.93.0/24 |
Glbb Japan KK
|
256 | JPNIC | |
| 109.236.0.0/20 |
Glbb Japan KK
|
4,096 | JPNIC | |
| 123.100.136.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 123.100.156.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 137.220.16.0/20 |
Allied Telesis Capital Corporation
|
4,096 | JPNIC | |
| 180.131.208.0/20 |
GLBB JAPAN K.K.
|
4,096 | JPNIC | |
| 180.131.210.0/24 |
GLBB JAPAN K.K.
|
256 | JPNIC | |
| 180.131.224.0/20 |
Allied Telesis Capital Corporation
|
4,096 | JPNIC | |
| 180.131.240.0/20 |
Allied Telesis Capital Corporation
|
4,096 | JPNIC | |
| 198.144.128.0/20 |
Glbb Japan KK
|
4,096 | JPNIC | |
| 202.12.244.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 202.12.246.0/24 |
Glbb Japan KK
|
256 | JPNIC | |
| 202.171.224.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 202.171.224.0/21 |
Glbb Japan KK
|
2,048 | JPNIC | |
| 203.23.200.0/22 |
Glbb Japan KK
|
1,024 | JPNIC | |
| 218.223.128.0/22 |
FAMILYNET JAPAN CORPORATION
|
1,024 | JPNIC | |
| 218.223.132.0/22 |
FAMILYNET JAPAN CORPORATION
|
1,024 | JPNIC |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2404:2d00::/32 |
Glbb Japan KK
|
7.9228× 1028 | JPNIC |
Peers
AS55900 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS55900 connects to the global Internet via at least 4 upstream providers. In this setup, AS55900 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS55900 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS55900's role in extending Internet access beyond its own infrastructure.