Hosting Provider

Microsoft Azure

HostingRank #1 of 2,000

Microsoft Azure is the 1st largest of 2,000 hosting providers by IPv4 space, with 49,005 IPv4 networks (109,165,719 addresses) and 18,175 IPv6 networks. The ipapi.is API marks every address in these ranges as a datacenter address.

IPv4 addresses109,165,719in 49,005 networks

IPv6 networks18,175≈ 1.1 × 10²⁸ addresses

Provider rank#1of 2,000 by IPv4 space

Largest network20.96.0.0/112,097,152 addresses

Details

Hosting providerMicrosoft Azure

Website—

Rank#1 of 2,000

Classified byipapi.is hosting detection

IPv4 networks

49,005 networks · 109,165,719 addresses

Network	Addresses	First – last address
20.96.0.0/11	2,097,152	20.96.0.0 – 20.127.255.255
20.192.0.0/11	2,097,152	20.192.0.0 – 20.223.255.255
48.224.0.0/11	2,097,152	48.224.0.0 – 48.255.255.255
107.32.0.0/11	2,097,152	107.32.0.0 – 107.63.255.255
172.128.0.0/11	2,097,152	172.128.0.0 – 172.159.255.255
13.80.0.0/12	1,048,576	13.80.0.0 – 13.95.255.255
20.0.0.0/12	1,048,576	20.0.0.0 – 20.15.255.255
20.48.0.0/12	1,048,576	20.48.0.0 – 20.63.255.255
20.64.0.0/12	1,048,576	20.64.0.0 – 20.79.255.255
20.240.0.0/12	1,048,576	20.240.0.0 – 20.255.255.255
48.160.0.0/12	1,048,576	48.160.0.0 – 48.175.255.255
52.160.0.0/12	1,048,576	52.160.0.0 – 52.175.255.255
74.144.0.0/12	1,048,576	74.144.0.0 – 74.159.255.255
13.64.0.0/13	524,288	13.64.0.0 – 13.71.255.255
20.40.0.0/13	524,288	20.40.0.0 – 20.47.255.255
20.80.0.0/13	524,288	20.80.0.0 – 20.87.255.255
20.168.0.0/13	524,288	20.168.0.0 – 20.175.255.255
20.184.0.0/13	524,288	20.184.0.0 – 20.191.255.255
20.232.0.0/13	524,288	20.232.0.0 – 20.239.255.255
31.80.0.0/13	524,288	31.80.0.0 – 31.87.255.255
48.184.0.0/13	524,288	48.184.0.0 – 48.191.255.255
48.192.0.0/13	524,288	48.192.0.0 – 48.199.255.255
52.136.0.0/13	524,288	52.136.0.0 – 52.143.255.255
52.152.0.0/13	524,288	52.152.0.0 – 52.159.255.255
52.184.0.0/13	524,288	52.184.0.0 – 52.191.255.255

20.96.0.0/11
20.192.0.0/11
48.224.0.0/11
107.32.0.0/11
172.128.0.0/11
13.80.0.0/12
20.0.0.0/12
20.48.0.0/12
20.64.0.0/12
20.240.0.0/12
48.160.0.0/12
52.160.0.0/12
74.144.0.0/12
13.64.0.0/13
20.40.0.0/13
20.80.0.0/13
20.168.0.0/13
20.184.0.0/13
20.232.0.0/13
31.80.0.0/13
48.184.0.0/13
48.192.0.0/13
52.136.0.0/13
52.152.0.0/13
52.184.0.0/13

The 25 largest of 49,005. The API and the database have all of them.

IPv6 networks

18,175 networks

2603:1061:2000::/36
2603:1061:1000::/39
2603:1006:1400::/40
2603:1016:2400::/40
2603:1026:2400::/40
2603:1036:2400::/40
2603:1040:300::/40
2603:1040:500::/40
2603:1040:700::/40
2603:1046:1400::/40
2603:1050:100::/40
2603:1056:1400::/40
2603:1061:1700::/40
2603:1061:1800::/40
2603:1010:180::/41
2603:1010:140::/42
2603:1010:120::/43
2603:1063:2800::/43
2603:1063:2a00::/43
2603:1010:110::/44
2603:1061:1310::/44
2603:1061:13e0::/44
2603:1063:2410::/44
2603:1063:2420::/44
2603:1063:2610::/44

2603:1061:2000::/36
2603:1061:1000::/39
2603:1006:1400::/40
2603:1016:2400::/40
2603:1026:2400::/40
2603:1036:2400::/40
2603:1040:300::/40
2603:1040:500::/40
2603:1040:700::/40
2603:1046:1400::/40
2603:1050:100::/40
2603:1056:1400::/40
2603:1061:1700::/40
2603:1061:1800::/40
2603:1010:180::/41
2603:1010:140::/42
2603:1010:120::/43
2603:1063:2800::/43
2603:1063:2a00::/43
2603:1010:110::/44
2603:1061:1310::/44
2603:1061:13e0::/44
2603:1063:2410::/44
2603:1063:2420::/44
2603:1063:2610::/44

The 25 largest of 18,175. The API and the database have all of them.

Detect Microsoft Azure 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=20.96.0.1&key=YOUR_API_KEY"

"is_datacenter": true,
"datacenter": {
  "datacenter": "Microsoft Azure",
  "network": "20.96.0.0 - 20.127.255.255"
}

Hosting providers of similar size

all providers

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