IP / ASN / Domain Lookup
IP Lookup Result
IP Address
143.73.173.3
Location
Japan,Tokyo,Chiyoda City
ASN
Company
ISP
Headquarters, USAISC
Longitude
139.7536
139.7536
Latitude
35.694
35.694
Roaming IP
DataCenter
25%Risk Score
25% Risk Score
IP Address (Decimal)
2403970307
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 143.73.173.0/24 | ISP Headquarters, USAISC | United States | 📅 2024-01-01 18:58 | 📅 2025-12-07 06:07 | |
| 143.73.0.0/16 | IDC DoD Network Information Center | United States | 📅 2010-09-16 12:28 | 📅 2025-12-05 08:14 | |
| 143.73.173.0/24 | ISP Headquarters, USAISC | United States | 📅 2011-02-03 12:19 | 📅 2012-01-20 13:56 | |
| 143.73.173.0/24 | IDC DoD Network Information Center | United States | 📅 2011-10-04 20:39 | 📅 2011-10-04 21:14 | |
| 143.73.172.0/23 | ISP Headquarters, USAISC | United States | 📅 2011-02-03 12:17 | 📅 2011-02-09 18:18 | |
| 143.73.128.0/17 | IDC DoD Network Information Center | United States | 📅 2010-07-23 22:19 | 📅 2010-07-23 22:58 | |
| 143.73.172.0/23 | IDC DoD Network Information Center | United States | 📅 2009-02-11 11:08 | 📅 2009-05-07 18:33 | |
| 143.73.0.0/16 | IDC DoD Network Information Center | United States | 📅 2009-04-16 18:49 | 📅 2009-04-16 19:03 | |
| 143.73.160.0/19 | IDC DoD Network Information Center | United States | 📅 2008-12-09 17:53 | 📅 2008-12-10 18:58 | |
| 143.73.0.0/16 | IDC DoD Network Information Center | United States | 📅 2008-10-31 22:17 | 📅 2008-11-04 18:12 | |
| 143.73.173.0/24 | IDC DoD Network Information Center | United States | 📅 2008-07-12 21:47 | 📅 2008-08-28 20:58 | |
| 143.73.0.0/16 | IDC DoD Network Information Center | United States | 📅 2008-01-27 01:31 | 📅 2008-01-28 00:20 | |
| 143.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
IDC NET143 | 143.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-12-07 07:44 |
IDC PM-WIN-T-NET11 | 143.73.0.0/16 | 📅 2025-08-21 08:00 | 📅 2025-12-07 07:44 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 143.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-12-07 07:44 | |
| 143.73.0.0/16 | ARIN | -- | 📅 2025-08-21 08:00 | 📅 2025-12-07 07:44 |
