AS7257
OTO GK — maru.co.jp
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Summary
| Country |
 Japan
|
| Organization | OTO GK |
| Domain | maru.co.jp |
| Number of IPv4 | 512 |
| Number of IPv6 | 6.3383× 1029 |
| AS Type | Hosting |
| Registry | RIPE NCC |
| Allocated | January 26, 2026 (about 1 months ago) |
| Updated | January 27, 2026 (about 1 months ago) |
IP Ranges
AS7257 announces 2 IPv4 ranges and 1 IPv6 range.
That's a total of 512 IPv4 addresses and 6.3383× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 168.151.54.0/24 |
 Big Sky Services, Inc.
|
256 | ARIN | ALLOCATION |
| 208.88.66.0/24 |
Bluebird Wireless Broadband Services, L.L.C.
|
256 | ARIN | REASSIGNMENT |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a06:40::/29 |
HAONAN YANG
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS7257 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS7257 connects to the global Internet via at least 1 upstream provider. In this setup, AS7257 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS7257 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.