| Prefix | Company | Number of IPs | Example address |
|---|---|---|---|
| 183.79.0.0/16 | Yahoo Japan | 65,536 | 183.79.78.95 |
| 124.83.128.0/17 | Yahoo Japan | 32,768 | 124.83.190.73 |
| 182.22.0.0/17 | LY Corporation | 32,768 | 182.22.107.45 |
| 114.111.64.0/18 | Yahoo Japan | 16,384 | 114.111.110.218 |
| 154.34.0.0/18 | LY Corporation | 16,384 | 154.34.27.142 |
| 118.151.224.0/19 | LY Corporation | 8,192 | 118.151.224.79 |
| 210.171.32.0/19 | LY Corporation | 8,192 | 210.171.51.99 |
| 210.250.224.0/19 | Yahoo Japan Corporation | 8,192 | 210.250.250.133 |
| 210.252.64.0/19 | Yahoo Japan Corporation | 8,192 | 210.252.67.178 |
| 202.239.0.0/20 | LY Corporation | 4,096 | 202.239.4.117 |
| 210.189.192.0/20 | LY Corporation | 4,096 | 210.189.197.22 |
| 203.95.16.0/21 | LY Corporation | 2,048 | 203.95.18.195 |
| 210.229.224.0/21 | LY Corporation | 2,048 | 210.229.227.37 |
| 210.229.232.0/21 | Yahoo Japan Corporation | 2,048 | 210.229.234.219 |
| 210.229.240.0/21 | Yahoo Japan Corporation | 2,048 | 210.229.242.228 |
| 210.229.248.0/21 | Yahoo Japan Corporation | 2,048 | 210.229.253.163 |
| 103.2.72.0/22 | Yahoo Japan | 1,024 | 103.2.74.140 |
| 202.239.16.0/22 | IDC Frontier Inc. | 1,024 | 202.239.16.191 |
| 45.117.16.0/22 | Yahoo Japan | 1,024 | 45.117.18.137 |
| 202.239.20.0/23 | IDC Frontier Inc. | 512 | 202.239.21.221 |
| 210.148.153.0/24 | Yahoo Japan Corporation | 256 | 210.148.153.3 |
Get all address ranges for Yahoo! JAPAN and thousands of other providers with our complete Hosting Providers database.
| Prefix | Company | Number of IPs |
|---|
| ASN | Name | % of IPs | |
|---|---|---|---|
| AS24572 | Yahoo Japan | YAHOO-JP-AS-AP | 52.4% |
| AS23816 | LY Corporation | YAHOO | 20.6% |
| AS24296 | LY Corporation | YAHOO-2 | 11.7% |
| AS4694 | IDC Frontier Inc. | IDCF | <1% |
| AS2497 | Internet Initiative Japan Inc. | IIJ | <1% |
| — | Not currently routed | 14.5% | |
| Country | % of IPs |
|---|---|
| Japan | 100.0% Yahoo! JAPAN IP addresses hosted in Japan |
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