IP / ASN / Domain Lookup
IP Lookup Result
IP Address
128.252.52.0

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)
2164012032

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  |  📅 2025-11-02 16:34  |  📅 2025-11-04 16:27  | |
| 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 | ISP NTT America, Inc. |  United States  |  📅 2001-10-27 05:48  |  📅 2004-02-06 13:44  | |
| 128.252.52.0/23 | ENT Washington University |  United States  |  📅 2002-10-03 22:24  |  📅 2004-02-04 12:39  | 
Company History
Company History  | Network  | First Seen  | Last Seen  | 
|---|---|---|---|
IDC NET128 | 128.0.0.0/8 |  📅 1993-05-01 08:00  |  📅 2025-11-04 17:44  | 
ENT WASHINGTON-U | 128.252.0.0/16 |  📅 1987-06-03 09:00  |  📅 2025-11-04 16:27  | 
ENT NET128 | 128.0.0.0/8 |  📅 1993-05-01 08:00  |  📅 2025-11-04 07:44  | 
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 128.252.0.0/12 |  📅 2024-03-11 22:59  |  📅 2025-11-04 06:43  | 
ENT WASHINGTON-U | 128.252.0.0/16 |  📅 1987-06-03 09:00  |  📅 2025-10-31 05:03  | 
Registration History
Status  | Network  | Registry  | Country  | First Seen  | Last Seen  | 
|---|---|---|---|---|---|
| 128.0.0.0/8 |  --  |  📅 1993-05-01 08:00  |  📅 2025-11-04 17:44  | ||
| 128.252.0.0/16 |  --  |  📅 1987-06-03 09:00  |  📅 2025-11-04 16:27  | ||
| 128.0.0.0/8 |  --  |  📅 1993-05-01 08:00  |  📅 2025-11-04 07:44  | ||
| 128.252.0.0/12 |  European Union  |  📅 2024-03-11 22:59  |  📅 2025-11-04 06:43  | ||
| 128.252.0.0/16 |  --  |  📅 1987-06-03 09:00  |  📅 2025-10-31 05:03  | 
