IP / ASN / Domain Lookup
IP Lookup Result
IP Address
129.19.3.0
Location
United States,Colorado,Fort Collins
ASN
Company
ISP
Colorado State University
Longitude
-105.4612
-105.4612
Latitude
40.6664
40.6664
Native IP
Residential
23%Risk Score
23% Risk Score
IP Address (Decimal)
2165506816
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 129.19.0.0/16 | ENT University Corporation for Atmospheric Research | United States | 📅 2005-05-21 09:15 | 📅 2025-11-15 16:19 | |
| 129.19.3.0/24 | ISP Colorado State University | United States | 📅 2017-01-03 01:34 | 📅 2025-11-14 11:08 | |
| 129.19.0.0/18 | ISP Colorado State University | United States | 📅 2005-08-24 03:56 | 📅 2025-10-13 04:46 | |
| 129.19.3.0/24 | UNK City of Loveland | United States | 📅 2018-01-05 10:59 | 📅 2018-01-05 11:17 | |
| 129.19.0.0/16 | ISP University of Colorado Denver | United States | 📅 2003-08-09 20:58 | 📅 2006-04-07 20:48 | |
| 129.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 129.19.0.0/16 | ISP Colorado State University | United States | 📅 2003-02-19 04:28 | 📅 2003-10-12 17:17 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP NET129 | 129.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-11-15 17:44 |
ENT WESTNET | 129.19.0.0/16 | 📅 1987-07-08 09:00 | 📅 2025-11-15 16:19 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 129.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-11-15 17:44 | |
| 129.19.0.0/16 | ARIN | -- | 📅 1987-07-08 09:00 | 📅 2025-11-15 16:19 |
