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AS8075

AS8075 is Microsoft Corporation.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (2 Nov 2026)

Short answer

AS8075 belongs to Microsoft Corporation. DB-IP Lite attributes 80,745,984 IPv4 addresses in 899 ranges and 102 IPv6 ranges to it, 36% of the IPv4 space in United States. The number is registered with ARIN in United States on 31 Mar 1997.

Facts for AS8075
Operator (DB-IP)Microsoft Corporation
KindHosting / data-centre operator (curated list; Microsoft’s network, which includes Azure)
IPv4 addresses80,745,984
IPv4 ranges899
IPv6 ranges102
RegistryARIN
Registered31 Mar 1997
Registry countryUnited States (US)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Microsoft Corporation hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 102 IPv6 ranges for AS8075, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

US36%
GB24%
NL8%
IE3%
AU3%
JP3%
SG2%
IN2%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
1.186.0.0 – 1.186.253.2551.186.0.0/17, 1.186.128.0/18 …65,024
1.186.255.0 – 1.186.255.2551.186.255.0/24256
2.58.103.0 – 2.58.103.2552.58.103.0/24256
4.144.0.0 – 4.213.246.2554.144.0.0/12, 4.160.0.0/11 …4,585,216
4.213.248.0 – 4.255.255.2554.213.248.0/21, 4.214.0.0/15 …2,754,560
5.23.34.0 – 5.23.34.2555.23.34.0/24256
5.144.153.0 – 5.144.153.2555.144.153.0/24256
9.129.0.0 – 9.133.255.2559.129.0.0/16, 9.130.0.0/15 …327,680
9.135.0.0 – 9.136.255.2559.135.0.0/16, 9.136.0.0/16131,072
9.140.0.0 – 9.141.255.2559.140.0.0/15131,072
9.143.0.0 – 9.143.255.2559.143.0.0/1665,536
9.145.0.0 – 9.146.255.2559.145.0.0/16, 9.146.0.0/16131,072
9.149.0.0 – 9.149.255.2559.149.0.0/1665,536
9.157.0.0 – 9.160.255.2559.157.0.0/16, 9.158.0.0/15 …262,144
9.163.0.0 – 9.164.255.2559.163.0.0/16, 9.164.0.0/16131,072
9.166.0.0 – 9.167.255.2559.166.0.0/15131,072
9.169.0.0 – 9.169.255.2559.169.0.0/1665,536
9.173.0.0 – 9.173.255.2559.173.0.0/1665,536
9.177.0.0 – 9.177.255.2559.177.0.0/1665,536
9.185.0.0 – 9.185.255.2559.185.0.0/1665,536
9.190.0.0 – 9.190.255.2559.190.0.0/1665,536
9.192.0.0 – 9.193.255.2559.192.0.0/15131,072
9.198.0.0 – 9.198.255.2559.198.0.0/1665,536
9.205.0.0 – 9.205.255.2559.205.0.0/1665,536
9.220.0.0 – 9.220.255.2559.220.0.0/1665,536
9.223.0.0 – 9.223.255.2559.223.0.0/1665,536
9.228.0.0 – 9.229.255.2559.228.0.0/15131,072
9.231.0.0 – 9.231.255.2559.231.0.0/1665,536
9.234.0.0 – 9.235.255.2559.234.0.0/15131,072
9.248.0.0 – 9.248.255.2559.248.0.0/1665,536
13.64.0.0 – 13.95.255.25513.64.0.0/112,097,152
13.104.0.0 – 13.104.79.25513.104.0.0/18, 13.104.64.0/2020,480
13.104.83.0 – 13.107.2.25513.104.83.0/24, 13.104.84.0/22 …176,128
13.107.8.0 – 13.107.8.25513.107.8.0/24256
13.107.10.0 – 13.107.11.25513.107.10.0/23512
13.107.14.0 – 13.107.14.25513.107.14.0/24256
13.107.17.0 – 13.107.17.25513.107.17.0/24256
13.107.20.0 – 13.107.20.25513.107.20.0/24256
13.107.23.0 – 13.107.38.25513.107.23.0/24, 13.107.24.0/21 …4,096
13.107.41.0 – 13.107.41.25513.107.41.0/24256
13.107.44.0 – 13.107.47.25513.107.44.0/221,024
13.107.53.0 – 13.107.53.25513.107.53.0/24256
13.107.55.0 – 13.107.55.25513.107.55.0/24256
13.107.57.0 – 13.107.127.25513.107.57.0/24, 13.107.58.0/23 …18,176
13.107.130.0 – 13.107.136.25513.107.130.0/23, 13.107.132.0/22 …1,792
13.107.138.0 – 13.107.139.25513.107.138.0/23512
13.107.141.0 – 13.107.253.25513.107.141.0/24, 13.107.142.0/23 …28,928
13.107.255.0 – 13.107.255.25513.107.255.0/24256
13.117.0.0 – 13.119.255.25513.117.0.0/16, 13.118.0.0/15196,608
13.123.0.0 – 13.123.255.25513.123.0.0/1665,536
2001:67c:4f8:: – 2001:67c:4f8:ffff:ffff:ffff:ffff:ffff2001:67c:4f8::/48IPv6
2001:698:: – 2001:698:1:ffff:ffff:ffff:ffff:ffff2001:698::/47IPv6
2001:df0:7:: – 2001:df0:7:ffff:ffff:ffff:ffff:ffff2001:df0:7::/48IPv6
2001:df0:d7:: – 2001:df0:d9:ffff:ffff:ffff:ffff:ffff2001:df0:d7::/48IPv6
2001:df0:59c0:: – 2001:df0:59c0:ffff:ffff:ffff:ffff:ffff2001:df0:59c0::/48IPv6
2001:3bc0:b1d:: – 2001:3bc0:b1d:ffff:ffff:ffff:ffff:ffff2001:3bc0:b1d::/48IPv6
2401:ef40:: – 2401:ef40:0:ffff:ffff:ffff:ffff:ffff2401:ef40::/48IPv6
2404:f802:: – 2404:f803:ffff:ffff:ffff:ffff:ffff:ffff2404:f802::/31IPv6
2407:30c0:184:: – 2407:30c0:184:ffff:ffff:ffff:ffff:ffff2407:30c0:184::/48IPv6
2407:30c0:186:: – 2407:30c0:186:ffff:ffff:ffff:ffff:ffff2407:30c0:186::/48IPv6
2602:801:600a:: – 2602:801:600a:ffff:ffff:ffff:ffff:ffff2602:801:600a::/48IPv6
2602:812:200a:: – 2602:812:200a:ffff:ffff:ffff:ffff:ffff2602:812:200a::/48IPv6
2602:f36c:fff:: – 2602:f36c:fff:ffff:ffff:ffff:ffff:ffff2602:f36c:fff::/48IPv6
2602:f73e:: – 2602:f73e:0:ffff:ffff:ffff:ffff:ffff2602:f73e::/48IPv6
2602:f742:: – 2602:f742:1:1710:ffff:ffff:ffff:ffff2602:f742::/48IPv6
2602:f742:3:: – 2602:f742:3:ffff:ffff:ffff:ffff:ffff2602:f742:3::/48IPv6
2602:f742:5:: – 2602:f742:5:ffff:ffff:ffff:ffff:ffff2602:f742:5::/48IPv6
2602:f742:3f:: – 2602:f742:3f:ffff:ffff:ffff:ffff:ffff2602:f742:3f::/48IPv6
2602:f7be:102:: – 2602:f7be:102:ffff:ffff:ffff:ffff:ffff2602:f7be:102::/48IPv6
2602:f8d5:a0:: – 2602:f8d5:a1:ffff:ffff:ffff:ffff:ffff2602:f8d5:a0::/47IPv6
Showing 50 of 899 IPv4 and 20 of 102 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0. Addresses on hosting networks are commonly used by VPNs and servers, which is why sites may flag them.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 3 Nov 2026