AS27357 Rackspace Hosting
General Info - AS27357
262,656
79.23 Octillion
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 23.253.128.0/19 | 23.253.128.0 | 23.253.159.255 | 8,192 | |
| 65.61.141.0/24 | 65.61.141.0 | 65.61.141.255 | 256 | |
| 65.61.142.0/23 | 65.61.142.0 | 65.61.143.255 | 512 | |
| 65.61.146.0/23 | 65.61.146.0 | 65.61.147.255 | 512 | |
| 65.61.152.0/24 | 65.61.152.0 | 65.61.152.255 | 256 | |
| 65.61.186.0/23 | 65.61.186.0 | 65.61.187.255 | 512 | |
| 69.20.0.0/18 | 69.20.0.0 | 69.20.63.255 | 16,384 | |
| 69.20.64.0/20 | 69.20.64.0 | 69.20.79.255 | 4,096 | |
| 69.20.80.0/21 | 69.20.80.0 | 69.20.87.255 | 2,048 | |
| 69.20.88.0/22 | 69.20.88.0 | 69.20.91.255 | 1,024 | |
| 69.20.92.0/23 | 69.20.92.0 | 69.20.93.255 | 512 | |
| 69.20.94.0/24 | 69.20.94.0 | 69.20.94.255 | 256 | |
| 69.20.96.0/19 | 69.20.96.0 | 69.20.127.255 | 8,192 | |
| 72.4.112.0/20 | 72.4.112.0 | 72.4.127.255 | 4,096 | |
| 74.205.0.0/19 | 74.205.0.0 | 74.205.31.255 | 8,192 | |
| 104.130.0.0/18 | 104.130.0.0 | 104.130.63.255 | 16,384 | |
| 104.130.120.0/22 | 104.130.120.0 | 104.130.123.255 | 1,024 | |
| 104.130.160.0/19 | 104.130.160.0 | 104.130.191.255 | 8,192 | |
| 104.130.224.0/20 | 104.130.224.0 | 104.130.239.255 | 4,096 | |
| 104.239.160.0/19 | 104.239.160.0 | 104.239.191.255 | 8,192 | |
| 104.239.224.0/20 | 104.239.224.0 | 104.239.239.255 | 4,096 | |
| 104.239.248.0/21 | 104.239.248.0 | 104.239.255.255 | 2,048 | |
| 142.0.184.0/22 | 142.0.184.0 | 142.0.187.255 | 1,024 | |
| 146.20.0.0/17 | 146.20.0.0 | 146.20.127.255 | 32,768 | |
| 146.20.128.0/18 | 146.20.128.0 | 146.20.191.255 | 16,384 | |
| 146.20.192.0/20 | 146.20.192.0 | 146.20.207.255 | 4,096 | |
| 146.20.208.0/21 | 146.20.208.0 | 146.20.215.255 | 2,048 | |
| 146.20.216.0/22 | 146.20.216.0 | 146.20.219.255 | 1,024 | |
| 146.20.224.0/19 | 146.20.224.0 | 146.20.255.255 | 8,192 | |
| 156.43.59.0/24 | 156.43.59.0 | 156.43.59.255 | 256 | |
| 159.135.64.0/20 | 159.135.64.0 | 159.135.79.255 | 4,096 | |
| 159.135.254.0/24 | 159.135.254.0 | 159.135.254.255 | 256 | |
| 162.209.96.0/19 | 162.209.96.0 | 162.209.127.255 | 8,192 | |
| 162.242.192.0/19 | 162.242.192.0 | 162.242.223.255 | 8,192 | |
| 162.242.224.0/19 | 162.242.224.0 | 162.242.255.255 | 8,192 | |
| 172.99.64.0/19 | 172.99.64.0 | 172.99.95.255 | 8,192 | |
| 173.203.128.0/18 | 173.203.128.0 | 173.203.191.255 | 16,384 | |
| 173.204.89.0/24 | 173.204.89.0 | 173.204.89.255 | 256 | |
| 192.68.40.0/24 | 192.68.40.0 | 192.68.40.255 | 256 | |
| 198.210.16.0/22 | 198.210.16.0 | 198.210.19.255 | 1,024 | |
| 198.210.20.0/22 | 198.210.20.0 | 198.210.23.255 | 1,024 | |
| 204.51.224.0/24 | 204.51.224.0 | 204.51.224.255 | 256 | |
| 204.51.235.0/24 | 204.51.235.0 | 204.51.235.255 | 256 | |
| 204.232.128.0/18 | 204.232.128.0 | 204.232.191.255 | 16,384 | |
| 204.232.224.0/19 | 204.232.224.0 | 204.232.255.255 | 8,192 | |
| 207.97.192.0/18 | 207.97.192.0 | 207.97.255.255 | 16,384 | |
| 209.0.201.0/24 | 209.0.201.0 | 209.0.201.255 | 256 |
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 2001:4802::/32 | 2001:4802:: | 2001:4802:ffff:ffff:ffff:ffff:ffff:ffff | 79.23 Octillion |
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What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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