IP / ASN / Domain Lookup
IP Lookup Result
IP Address
204.157.21.0
Location
United States,District of Columbia,Washington D.C.
ASN
Company
ISP
Cogent Communications
Longitude
-77.0364
-77.0364
Latitude
38.8951
38.8951
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
3432846592
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 204.157.0.0/16 | ISP Cogent Communications | United States | 📅 2017-01-01 08:35 | 📅 2025-11-20 09:07 | |
| 204.157.21.0/24 | ISP Easton Utilities Commission | United States | 📅 2004-06-09 02:22 | 📅 2006-09-18 18:52 | |
| 204.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 204.157.0.0/16 | ISP AGIS | United States | 📅 2001-10-27 06:51 | 📅 2005-06-14 17:35 | |
| 204.157.0.0/16 | ISP AGIS | United States | 📅 2002-08-02 14:11 | 📅 2002-08-02 15:26 | |
| 204.157.16.0/21 | ISP AGIS | United States | 📅 2002-02-05 23:39 | 📅 2002-03-14 22:45 | |
| 204.157.16.0/20 | IDC The Iserv Company, LLC | United States | 📅 2001-10-27 04:52 | 📅 2001-12-31 20:33 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ENT NET204 | 204.0.0.0/8 | 📅 1994-05-01 08:00 | 📅 2025-11-20 17:44 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 204.154.208.0/12 | 📅 2022-08-18 21:39 | 📅 2025-11-20 17:30 |
ISP COGENT-204-157-16 | 204.157.0.0/16 | 📅 1994-09-21 08:00 | 📅 2025-11-20 17:29 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 204.0.0.0/8 |  ARIN | -- | 📅 1994-05-01 08:00 | 📅 2025-11-20 17:44 | |
| 204.154.208.0/12 |  RIPE | European Union | 📅 2022-08-18 21:39 | 📅 2025-11-20 17:30 | |
| 204.157.0.0/16 | ARIN | -- | 📅 1994-09-21 08:00 | 📅 2025-11-20 17:29 |
