Hosting Provider
Cloudflare, Inc.
Cloudflare, Inc. is the 37th largest of 2,000 hosting providers by IPv4 space, with 212 IPv4 networks (1,951,744 addresses) and 25 IPv6 networks. The ipapi.is API marks every address in these ranges as a datacenter address.
IPv4 addresses1,951,744in 212 networks
IPv6 networks25≈ 2.0 × 10³⁰ addresses
Provider rank#37of 2,000 by IPv4 space
Autonomous systems4operated under this name
Details
Hosting providerCloudflare, Inc.
Websitecloudflare.com
Rank#37 of 2,000
Classified byipapi.is hosting detection
IPv4 networks
212 networks · 1,951,744 addresses| Network | Addresses | First – last address |
|---|---|---|
| 104.16.0.0/12 | 1,048,576 | 104.16.0.0 – 104.31.255.255 |
| 172.64.0.0/13 | 524,288 | 172.64.0.0 – 172.71.255.255 |
| 92.8.0.0/15 | 131,072 | 92.8.0.0 – 92.9.255.255 |
| 162.158.0.0/15 | 131,072 | 162.158.0.0 – 162.159.255.255 |
| 198.41.128.0/17 | 32,768 | 198.41.128.0 – 198.41.255.255 |
| 108.162.192.0/18 | 16,384 | 108.162.192.0 – 108.162.255.255 |
| 104.30.0.0/19 | 8,192 | 104.30.0.0 – 104.30.31.255 |
| 173.245.48.0/20 | 4,096 | 173.245.48.0 – 173.245.63.255 |
| 199.27.128.0/21 | 2,048 | 199.27.128.0 – 199.27.135.255 |
| 103.22.200.0/22 | 1,024 | 103.22.200.0 – 103.22.203.255 |
| 134.195.26.0/23 | 512 | 134.195.26.0 – 134.195.27.255 |
| 158.51.64.0/23 | 512 | 158.51.64.0 – 158.51.65.255 |
| 8.6.112.0/24 | 256 | 8.6.112.0 – 8.6.112.255 |
| 8.6.144.0/24 | 256 | 8.6.144.0 – 8.6.144.255 |
| 8.6.145.0/24 | 256 | 8.6.145.0 – 8.6.145.255 |
| 8.6.146.0/24 | 256 | 8.6.146.0 – 8.6.146.255 |
| 8.9.231.0/24 | 256 | 8.9.231.0 – 8.9.231.255 |
| 8.10.148.0/24 | 256 | 8.10.148.0 – 8.10.148.255 |
| 8.14.199.0/24 | 256 | 8.14.199.0 – 8.14.199.255 |
| 8.14.201.0/24 | 256 | 8.14.201.0 – 8.14.201.255 |
| 8.14.202.0/24 | 256 | 8.14.202.0 – 8.14.202.255 |
| 8.14.203.0/24 | 256 | 8.14.203.0 – 8.14.203.255 |
| 8.14.204.0/24 | 256 | 8.14.204.0 – 8.14.204.255 |
| 8.17.205.0/24 | 256 | 8.17.205.0 – 8.17.205.255 |
| 8.17.206.0/24 | 256 | 8.17.206.0 – 8.17.206.255 |
104.16.0.0/12 172.64.0.0/13 92.8.0.0/15 162.158.0.0/15 198.41.128.0/17 108.162.192.0/18 104.30.0.0/19 173.245.48.0/20 199.27.128.0/21 103.22.200.0/22 134.195.26.0/23 158.51.64.0/23 8.6.112.0/24 8.6.144.0/24 8.6.145.0/24 8.6.146.0/24 8.9.231.0/24 8.10.148.0/24 8.14.199.0/24 8.14.201.0/24 8.14.202.0/24 8.14.203.0/24 8.14.204.0/24 8.17.205.0/24 8.17.206.0/24
The 25 largest of 212. The API and the database have all of them.
IPv6 networks
25 networks- 2606:54c0::/28
- 2400:cb00::/32
- 2606:4700::/32
- 2a06:98c1::/32
- 2a06:98c2::/32
- 2a06:98c3::/32
- 2a06:98c4::/32
- 2a06:98c5::/32
- 2a06:98c6::/32
- 2a06:98c7::/32
- 2400:cb00::/36
- 2400:cb00:1000::/36
- 2400:cb00:2000::/36
- 2400:cb00:b000::/36
- 2400:cb00:c000::/36
- 2400:cb00:d000::/36
- 2400:cb00:e000::/36
- 2400:cb00:f000::/36
- 2602:fc28::/36
- 2a06:98c0::/36
- 2a06:98c0:2000::/36
- 2a06:98c0:3000::/36
- 2a06:98c0:1400::/38
- 2a06:98c0:1800::/39
- 2a06:98c0:1a00::/39
2606:54c0::/28 2400:cb00::/32 2606:4700::/32 2a06:98c1::/32 2a06:98c2::/32 2a06:98c3::/32 2a06:98c4::/32 2a06:98c5::/32 2a06:98c6::/32 2a06:98c7::/32 2400:cb00::/36 2400:cb00:1000::/36 2400:cb00:2000::/36 2400:cb00:b000::/36 2400:cb00:c000::/36 2400:cb00:d000::/36 2400:cb00:e000::/36 2400:cb00:f000::/36 2602:fc28::/36 2a06:98c0::/36 2a06:98c0:2000::/36 2a06:98c0:3000::/36 2a06:98c0:1400::/38 2a06:98c0:1800::/39 2a06:98c0:1a00::/39
Detect Cloudflare, Inc. 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=104.16.0.1&key=YOUR_API_KEY""is_datacenter": true,
"datacenter": {
"datacenter": "Cloudflare, Inc.",
"domain": "cloudflare.com",
"network": "104.16.0.0 - 104.31.255.255"
}