IP / ASN / Domain Lookup
IP Lookup Result
IP Address
172.191.183.91
Location
United States,Virginia
ASN
Company
IDC
Microsoft Corporation
Longitude
-78.1593
-78.1593
Latitude
38.6847
38.6847
Roaming IP
DataCenter
32%Risk Score
32% Risk Score
IP Address (Decimal)
2898245467
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 172.160.0.0/11 | IDC Microsoft Corporation | United States | 📅 2023-01-17 10:04 | 📅 2025-10-13 03:22 | |
| 172.128.0.0/10 | ENT Oath Holdings Inc. | United States | 📅 2020-09-25 22:34 | 📅 2022-01-21 17:22 | |
| 172.0.0.0/8 | UNK Unknown | -- | 📅 2018-10-30 02:59 | 📅 2018-10-30 14:25 | |
| 172.128.0.0/10 | ENT Oath Holdings Inc. | United States | 📅 2003-05-05 00:56 | 📅 2018-08-11 03:54 | |
| 172.191.0.0/16 | ENT Oath Holdings Inc. | United States | 📅 2003-05-05 00:56 | 📅 2017-08-11 03:25 | |
| 172.191.0.0/16 | UNK Unknown | -- | 📅 2003-04-19 02:56 | 📅 2003-11-27 05:26 | |
| 172.191.0.0/16 | UNK Unknown | -- | 📅 2002-12-18 02:41 | 📅 2003-04-15 01:42 | |
| 172.184.0.0/13 | ENT Oath Holdings Inc. | United States | 📅 2001-10-27 04:52 | 📅 2002-09-27 18:32 | |
| 172.128.0.0/10 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:10 | 📅 2002-04-17 13:13 | |
| 172.184.0.0/13 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:10 | 📅 2002-04-17 04:09 | |
| 172.188.0.0/14 | ENT Oath Holdings Inc. | United States | 📅 2001-10-27 04:52 | 📅 2002-03-09 02:20 | |
| 172.188.0.0/14 | UNK Unknown | -- | 📅 2001-12-07 20:31 | 📅 2002-02-12 09:32 | |
| 172.0.0.0/8 | IDC HANWHA Corp. Information Service div. | South Korea | 📅 2001-11-06 17:19 | 📅 2001-11-06 17:26 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ENT NET172 | 172.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-10-13 06:17 |
ENT NET172 | 172.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-10-13 06:17 |
ENT NET172 | 172.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-10-13 06:17 |
IDC UK-MICROSOFT-20000324 | 172.128.0.0/9 | 📅 2024-05-16 17:38 | 📅 2025-10-13 03:22 |
IDC UK-MICROSOFT-20000324 | 172.128.0.0/9 | 📅 2024-05-16 17:38 | 📅 2025-10-13 03:22 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 172.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-10-13 06:17 | |
| 172.0.0.0/8 | ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-10-13 06:17 | |
| 172.128.0.0/9 |  RIPE | United Kingdom | 📅 2024-05-16 17:38 | 📅 2025-10-13 03:22 | |
| 172.128.0.0/9 | RIPE | United Kingdom | 📅 2024-05-16 17:38 | 📅 2025-10-13 03:22 |
