IP / ASN / Domain Lookup
IP Lookup Result
IP Address
204.228.80.0
Location
United States,Colorado,Boulder
ASN
Company
IDC
University of Colorado at Boulder
Longitude
-105.3577
-105.3577
Latitude
40.0924
40.0924
Native IP
Residential
33%Risk Score
33% Risk Score
IP Address (Decimal)
3437514752
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 204.228.80.0/24 | IDC University of Colorado at Boulder | United States | 📅 2003-05-05 00:57 | 📅 2025-11-22 06:33 | |
| 204.228.64.0/18 | ISP CenturyLink Communications, LLC | United States | 📅 2004-02-06 13:45 | 📅 2025-11-22 06:33 | |
| 204.228.0.0/16 | ISP CenturyLink Communications, LLC | United States | 📅 2007-01-18 07:04 | 📅 2007-01-18 08:00 | |
| 204.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 204.228.64.0/18 | ISP CenturyLink Communications, LLC | United States | 📅 2001-10-27 06:37 | 📅 2003-10-31 02:17 | |
| 204.192.0.0/10 | ISP Sprint | United States | 📅 2003-07-25 22:35 | 📅 2003-08-09 04:08 | |
| 204.228.80.0/24 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 2002-04-13 20:41 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP NET204 | 204.0.0.0/8 | 📅 1994-05-01 08:00 | 📅 2025-11-22 07:43 |
ENT NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 204.225.219.0/12 | 📅 2021-11-23 21:11 | 📅 2025-11-22 06:33 |
IDC CU-MISC | 204.228.80.0/24 | 📅 1995-01-12 08:00 | 📅 2025-11-22 06:33 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 204.0.0.0/8 |  ARIN | -- | 📅 1994-05-01 08:00 | 📅 2025-11-22 07:43 | |
| 204.225.219.0/12 |  RIPE | European Union | 📅 2021-11-23 21:11 | 📅 2025-11-22 06:33 | |
| 204.228.80.0/24 | ARIN | -- | 📅 1995-01-12 08:00 | 📅 2025-11-22 06:33 |
