Hosting Provider
GitHub
GitHub is the 38th largest of 2,000 hosting providers by IPv4 space, with 533 IPv4 networks (1,904,524 addresses) and 1,123 IPv6 networks. The ipapi.is API marks every address in these ranges as a datacenter address.
IPv4 addresses1,904,524in 533 networks
IPv6 networks1,123≈ 1.1 × 10²⁵ addresses
Provider rank#38of 2,000 by IPv4 space
Largest network4.172.0.0/15131,072 addresses
Details
IPv4 networks
533 networks · 1,904,524 addresses| Network | Addresses | First – last address |
|---|---|---|
| 4.172.0.0/15 | 131,072 | 4.172.0.0 – 4.173.255.255 |
| 4.204.0.0/15 | 131,072 | 4.204.0.0 – 4.205.255.255 |
| 4.208.0.0/15 | 131,072 | 4.208.0.0 – 4.209.255.255 |
| 172.176.0.0/15 | 131,072 | 172.176.0.0 – 172.177.255.255 |
| 4.174.0.0/16 | 65,536 | 4.174.0.0 – 4.174.255.255 |
| 4.207.0.0/16 | 65,536 | 4.207.0.0 – 4.207.255.255 |
| 9.163.0.0/16 | 65,536 | 9.163.0.0 – 9.163.255.255 |
| 20.161.0.0/16 | 65,536 | 20.161.0.0 – 20.161.255.255 |
| 57.153.0.0/16 | 65,536 | 57.153.0.0 – 57.153.255.255 |
| 57.168.0.0/16 | 65,536 | 57.168.0.0 – 57.168.255.255 |
| 172.199.0.0/16 | 65,536 | 172.199.0.0 – 172.199.255.255 |
| 4.248.0.0/17 | 32,768 | 4.248.0.0 – 4.248.127.255 |
| 9.169.0.0/17 | 32,768 | 9.169.0.0 – 9.169.127.255 |
| 20.165.0.0/17 | 32,768 | 20.165.0.0 – 20.165.127.255 |
| 23.98.128.0/17 | 32,768 | 23.98.128.0 – 23.98.255.255 |
| 40.84.0.0/17 | 32,768 | 40.84.0.0 – 40.84.127.255 |
| 48.209.0.0/17 | 32,768 | 48.209.0.0 – 48.209.127.255 |
| 48.211.0.0/17 | 32,768 | 48.211.0.0 – 48.211.127.255 |
| 48.214.0.0/17 | 32,768 | 48.214.0.0 – 48.214.127.255 |
| 57.152.0.0/17 | 32,768 | 57.152.0.0 – 57.152.127.255 |
| 64.236.0.0/17 | 32,768 | 64.236.0.0 – 64.236.127.255 |
| 68.220.128.0/17 | 32,768 | 68.220.128.0 – 68.220.255.255 |
| 72.145.0.0/17 | 32,768 | 72.145.0.0 – 72.145.127.255 |
| 72.153.0.0/17 | 32,768 | 72.153.0.0 – 72.153.127.255 |
| 74.178.0.0/17 | 32,768 | 74.178.0.0 – 74.178.127.255 |
4.172.0.0/15 4.204.0.0/15 4.208.0.0/15 172.176.0.0/15 4.174.0.0/16 4.207.0.0/16 9.163.0.0/16 20.161.0.0/16 57.153.0.0/16 57.168.0.0/16 172.199.0.0/16 4.248.0.0/17 9.169.0.0/17 20.165.0.0/17 23.98.128.0/17 40.84.0.0/17 48.209.0.0/17 48.211.0.0/17 48.214.0.0/17 57.152.0.0/17 64.236.0.0/17 68.220.128.0/17 72.145.0.0/17 72.153.0.0/17 74.178.0.0/17
The 25 largest of 533. The API and the database have all of them.
IPv6 networks
1,123 networks- 2603:1030:1402::/47
- 2603:1020:5:8000::/49
- 2603:1030:10:8000::/49
- 2603:1030:40c:8000::/49
- 2603:1030:702:8000::/49
- 2603:1030:807:8000::/49
- 2603:1030:f05:8000::/49
- 2603:1030:1005:8000::/49
- 2603:1020:5:4000::/50
- 2603:1030:10:4000::/50
- 2603:1030:40c:4000::/50
- 2603:1030:702:4000::/50
- 2603:1030:807:4000::/50
- 2603:1030:f05:4000::/50
- 2603:1030:1005:4000::/50
- 2603:1020:5:2000::/51
- 2603:1030:10:2000::/51
- 2603:1030:40c:2000::/51
- 2603:1030:702:2000::/51
- 2603:1030:807:2000::/51
- 2603:1030:f05:2000::/51
- 2603:1030:1005:2000::/51
- 2603:1020:5:1000::/52
- 2603:1030:10:1000::/52
- 2603:1030:40c:1000::/52
2603:1030:1402::/47 2603:1020:5:8000::/49 2603:1030:10:8000::/49 2603:1030:40c:8000::/49 2603:1030:702:8000::/49 2603:1030:807:8000::/49 2603:1030:f05:8000::/49 2603:1030:1005:8000::/49 2603:1020:5:4000::/50 2603:1030:10:4000::/50 2603:1030:40c:4000::/50 2603:1030:702:4000::/50 2603:1030:807:4000::/50 2603:1030:f05:4000::/50 2603:1030:1005:4000::/50 2603:1020:5:2000::/51 2603:1030:10:2000::/51 2603:1030:40c:2000::/51 2603:1030:702:2000::/51 2603:1030:807:2000::/51 2603:1030:f05:2000::/51 2603:1030:1005:2000::/51 2603:1020:5:1000::/52 2603:1030:10:1000::/52 2603:1030:40c:1000::/52
The 25 largest of 1,123. The API and the database have all of them.
Detect GitHub 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=4.172.0.1&key=YOUR_API_KEY""is_datacenter": true,
"datacenter": {
"datacenter": "GitHub",
"domain": "github.com",
"network": "4.172.0.0 - 4.173.255.255"
}