IP / ASN / Domain Lookup
IP Lookup Result
IP Address
128.252.200.4
Location
United States,Missouri,St Louis
ASN
Company
ENT
Washington University
Longitude
-90.1979
-90.1979
Latitude
38.6272
38.6272
Native IP
Residential
24%Risk Score
24% Risk Score
IP Address (Decimal)
2164049924
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 128.252.0.0/16 | ENT Washington University | United States | 📅 2004-03-10 11:57 | 📅 2025-10-13 04:46 | |
| 128.252.0.0/16 | ISP St Louis Internet2 Access Consortium LLC | United States | 📅 2017-01-01 08:37 | 📅 2017-09-20 20:06 | |
| 128.0.0.0/8 | ISP Teledom LLC | Russia | 📅 2017-05-04 07:14 | 📅 2017-05-04 14:42 | |
| 128.252.0.0/16 | IDC Level 3 Parent, LLC | United States | 📅 2004-07-28 12:05 | 📅 2004-11-18 11:24 | |
| 128.252.192.0/19 | ISP St Louis Internet2 Access Consortium LLC | United States | 📅 2004-08-16 21:42 | 📅 2004-11-17 22:55 | |
| 128.252.200.0/23 | ISP St Louis Internet2 Access Consortium LLC | United States | 📅 2004-07-29 23:32 | 📅 2004-08-07 03:40 | |
| 128.252.0.0/16 | ISP NTT America, Inc. | United States | 📅 2001-10-27 05:48 | 📅 2004-07-28 11:00 | |
| 128.252.200.0/23 | ENT Washington University | United States | 📅 2002-10-03 22:24 | 📅 2004-07-21 12:16 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ENT NET128 | 128.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-11-10 13:44 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 128.252.0.0/12 | 📅 2024-03-11 22:59 | 📅 2025-11-10 13:35 |
ENT WASHINGTON-U | 128.252.0.0/16 | 📅 1987-06-03 09:00 | 📅 2025-10-13 04:46 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 128.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-11-10 13:44 | |
| 128.252.0.0/12 |  RIPE | European Union | 📅 2024-03-11 22:59 | 📅 2025-11-10 13:35 | |
| 128.252.0.0/16 | ARIN | -- | 📅 1987-06-03 09:00 | 📅 2025-10-13 04:46 |
