Hosting Provider
cloudflare.com
HostingRank #660 of 2,000
cloudflare.com is the 660th largest of 2,000 hosting providers by IPv4 space, with 36,899 IPv4 networks (65,313 addresses) and 49,916 IPv6 networks. The ipapi.is API marks every address in these ranges as a datacenter address.
IPv4 addresses65,313in 36,899 networks
IPv6 networks49,916≈ 1.3 × 10²⁹ addresses
Provider rank#660of 2,000 by IPv4 space
Largest network8.25.98.0/24256 addresses
Details
IPv4 networks
36,899 networks · 65,313 addresses| Network | Addresses | First – last address |
|---|---|---|
| 8.25.98.0/24 | 256 | 8.25.98.0 – 8.25.98.255 |
| 104.29.0.0/24 | 256 | 104.29.0.0 – 104.29.0.255 |
| 104.29.1.0/24 | 256 | 104.29.1.0 – 104.29.1.255 |
| 104.29.2.0/24 | 256 | 104.29.2.0 – 104.29.2.255 |
| 104.29.3.0/24 | 256 | 104.29.3.0 – 104.29.3.255 |
| 104.29.4.0/24 | 256 | 104.29.4.0 – 104.29.4.255 |
| 104.29.5.0/24 | 256 | 104.29.5.0 – 104.29.5.255 |
| 104.29.6.0/24 | 256 | 104.29.6.0 – 104.29.6.255 |
| 104.29.7.0/24 | 256 | 104.29.7.0 – 104.29.7.255 |
| 104.29.8.0/24 | 256 | 104.29.8.0 – 104.29.8.255 |
| 104.29.9.0/24 | 256 | 104.29.9.0 – 104.29.9.255 |
| 104.29.11.0/24 | 256 | 104.29.11.0 – 104.29.11.255 |
| 104.29.12.0/24 | 256 | 104.29.12.0 – 104.29.12.255 |
| 104.29.13.0/24 | 256 | 104.29.13.0 – 104.29.13.255 |
| 104.29.14.0/24 | 256 | 104.29.14.0 – 104.29.14.255 |
| 104.29.15.0/24 | 256 | 104.29.15.0 – 104.29.15.255 |
| 104.29.16.0/24 | 256 | 104.29.16.0 – 104.29.16.255 |
| 104.29.17.0/24 | 256 | 104.29.17.0 – 104.29.17.255 |
| 104.29.18.0/24 | 256 | 104.29.18.0 – 104.29.18.255 |
| 104.29.19.0/24 | 256 | 104.29.19.0 – 104.29.19.255 |
| 104.29.21.0/24 | 256 | 104.29.21.0 – 104.29.21.255 |
| 104.29.22.0/24 | 256 | 104.29.22.0 – 104.29.22.255 |
| 104.29.23.0/24 | 256 | 104.29.23.0 – 104.29.23.255 |
| 104.29.24.0/24 | 256 | 104.29.24.0 – 104.29.24.255 |
| 104.29.25.0/24 | 256 | 104.29.25.0 – 104.29.25.255 |
8.25.98.0/24 104.29.0.0/24 104.29.1.0/24 104.29.2.0/24 104.29.3.0/24 104.29.4.0/24 104.29.5.0/24 104.29.6.0/24 104.29.7.0/24 104.29.8.0/24 104.29.9.0/24 104.29.11.0/24 104.29.12.0/24 104.29.13.0/24 104.29.14.0/24 104.29.15.0/24 104.29.16.0/24 104.29.17.0/24 104.29.18.0/24 104.29.19.0/24 104.29.21.0/24 104.29.22.0/24 104.29.23.0/24 104.29.24.0/24 104.29.25.0/24
The 25 largest of 36,899. The API and the database have all of them.
IPv6 networks
49,916 networks- 2a09:bac5::/45
- 2a09:bac5:8::/45
- 2a09:bac5:10::/45
- 2a09:bac5:18::/45
- 2a09:bac5:20::/45
- 2a09:bac5:28::/45
- 2a09:bac5:30::/45
- 2a09:bac5:38::/45
- 2a09:bac5:40::/45
- 2a09:bac5:48::/45
- 2a09:bac5:50::/45
- 2a09:bac5:58::/45
- 2a09:bac5:60::/45
- 2a09:bac5:68::/45
- 2a09:bac5:70::/45
- 2a09:bac5:78::/45
- 2a09:bac5:80::/45
- 2a09:bac5:88::/45
- 2a09:bac5:90::/45
- 2a09:bac5:98::/45
- 2a09:bac5:a0::/45
- 2a09:bac5:a8::/45
- 2a09:bac5:b0::/45
- 2a09:bac5:b8::/45
- 2a09:bac5:c0::/45
2a09:bac5::/45 2a09:bac5:8::/45 2a09:bac5:10::/45 2a09:bac5:18::/45 2a09:bac5:20::/45 2a09:bac5:28::/45 2a09:bac5:30::/45 2a09:bac5:38::/45 2a09:bac5:40::/45 2a09:bac5:48::/45 2a09:bac5:50::/45 2a09:bac5:58::/45 2a09:bac5:60::/45 2a09:bac5:68::/45 2a09:bac5:70::/45 2a09:bac5:78::/45 2a09:bac5:80::/45 2a09:bac5:88::/45 2a09:bac5:90::/45 2a09:bac5:98::/45 2a09:bac5:a0::/45 2a09:bac5:a8::/45 2a09:bac5:b0::/45 2a09:bac5:b8::/45 2a09:bac5:c0::/45
The 25 largest of 49,916. The API and the database have all of them.
Detect cloudflare.com 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=8.25.98.1&key=YOUR_API_KEY""is_datacenter": true,
"datacenter": {
"datacenter": "cloudflare.com",
"network": "8.25.98.0 - 8.25.98.255"
}