AS18121
Ishikawa Computer Center Co.,ltd — nic.ad.jp
Summary
Country |
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Organization | Ishikawa Computer Center Co.,ltd |
Domain | nic.ad.jp |
Number of IPv4 | 23,296 |
Number of IPv6 | 7.9228× 1028 |
AS Type | ISP |
Registry | APNIC |
Allocated | January 01, 1970 (about 56 years ago) |
Updated | October 03, 2024 (about 6 months ago) |
IP Ranges
AS18121 announces 6 IPv4 ranges and 1 IPv6 range.
That's a total of 23,296 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
Prefix | Organization | Size | Registry | Status |
---|---|---|---|---|
103.241.208.0/23 |
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512 | JPNIC | |
103.241.208.0/24 |
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256 | JPNIC | |
180.94.192.0/20 |
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4,096 | JPNIC | |
180.94.208.0/21 |
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2,048 | JPNIC | |
202.222.32.0/19 |
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8,192 | JPNIC | |
219.121.224.0/19 |
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8,192 | JPNIC |
Prefix | Organization | Size | Registry | Status |
---|---|---|---|---|
2404:a00::/32 |
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7.9228× 1028 | JPNIC |
Peers
AS18121 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
AS18121 connects to the global Internet via at least 3 upstream providers. In this setup, AS18121 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS18121 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.