IP / ASN / Domain Lookup
IP Lookup Result
IP Address
204.155.21.4
Location
United Kingdom,England,London
ASN
Company
ENT
Guidant Corporation
Longitude
-0.1667
-0.1667
Latitude
51.5
51.5
Roaming IP
Residential
26%Risk Score
26% Risk Score
IP Address (Decimal)
3432715524
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 204.155.21.0/24 | ENT Guidant Corporation | United States | 📅 2017-01-01 08:38 | 📅 2025-11-19 20:20 | |
| 204.155.16.0/21 | UNK CITY OF FALLS CHURCH | United States | 📅 2007-03-25 05:19 | 📅 2008-02-07 17:10 | |
| 204.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 204.155.16.0/21 | ISP AT&T Enterprises, LLC | United States | 📅 2001-10-27 06:37 | 📅 2002-03-12 05:05 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP NET204 | 204.0.0.0/8 | 📅 1994-05-01 08:00 | 📅 2025-11-21 07:44 |
IDC NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 204.154.208.0/12 | 📅 2022-08-18 21:39 | 📅 2025-11-21 07:32 |
ENT BSC-NET-2 | 204.155.16.0/20 | 📅 1994-09-23 08:00 | 📅 2025-11-21 03:17 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 204.0.0.0/8 |  ARIN | -- | 📅 1994-05-01 08:00 | 📅 2025-11-21 07:44 | |
| 204.154.208.0/12 |  RIPE | European Union | 📅 2022-08-18 21:39 | 📅 2025-11-21 07:32 | |
| 204.155.16.0/20 | ARIN | -- | 📅 1994-09-23 08:00 | 📅 2025-11-21 03:17 |
