Hosting Provider

Rackspace Cloud Servers

HostingRank #1,550 of 2,000rackspace.com

Rackspace Cloud Servers is the 1,550th largest of 2,000 hosting providers by IPv4 space, with 28 IPv4 networks (18,433 addresses). The ipapi.is API marks every address in these ranges as a datacenter address.

IPv4 addresses18,433in 28 networks
IPv6 networks0none known
Provider rank#1,550of 2,000 by IPv4 space
Largest network173.203.240.0/204,096 addresses

Details

Hosting providerRackspace Cloud Servers
Websiterackspace.com
Rank#1,550 of 2,000
Classified byipapi.is hosting detection

IPv4 networks

28 networks · 18,433 addresses
NetworkAddressesFirst – last address
173.203.240.0/204,096173.203.240.0 – 173.203.255.255
104.239.244.0/221,024104.239.244.0 – 104.239.247.255
198.61.188.0/221,024198.61.188.0 – 198.61.191.255
198.61.200.0/221,024198.61.200.0 – 198.61.203.255
198.61.204.0/221,024198.61.204.0 – 198.61.207.255
198.61.208.0/221,024198.61.208.0 – 198.61.211.255
198.61.212.0/221,024198.61.212.0 – 198.61.215.255
198.61.248.0/221,024198.61.248.0 – 198.61.251.255
50.56.170.0/2351250.56.170.0 – 50.56.171.255
198.61.170.0/23512198.61.170.0 – 198.61.171.255
198.61.174.0/23512198.61.174.0 – 198.61.175.255
198.61.176.0/23512198.61.176.0 – 198.61.177.255
198.61.182.0/23512198.61.182.0 – 198.61.183.255
198.61.184.0/23512198.61.184.0 – 198.61.185.255
198.61.194.0/23512198.61.194.0 – 198.61.195.255
198.61.196.0/23512198.61.196.0 – 198.61.197.255
198.61.218.0/23512198.61.218.0 – 198.61.219.255
172.99.117.0/24256172.99.117.0 – 172.99.117.255
172.99.118.0/24256172.99.118.0 – 172.99.118.255
172.99.119.0/24256172.99.119.0 – 172.99.119.255
172.99.120.0/24256172.99.120.0 – 172.99.120.255
172.99.121.0/24256172.99.121.0 – 172.99.121.255
172.99.122.0/24256172.99.122.0 – 172.99.122.255
172.99.123.0/24256172.99.123.0 – 172.99.123.255
172.99.124.0/24256172.99.124.0 – 172.99.124.255
The 25 largest of 28. The API and the database have all of them.

IPv6 networks

No IPv6 networks.

Detect Rackspace Cloud Servers with the API

Every address in these networks comes back with is_datacenter: true and a datacenter object naming the provider. The detection flags need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=173.203.240.1&key=YOUR_API_KEY"
"is_datacenter": true,
"datacenter": {
  "datacenter": "Rackspace Cloud Servers",
  "domain": "rackspace.com",
  "network": "173.203.240.0 - 173.203.255.255"
}

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