IP / ASN / Domain Lookup
IP Lookup Result
IP Address
129.19.3.21
Location
United States,Colorado,Fort Collins
ASN
Company
ISP
Colorado State University
Longitude
-105.4612
-105.4612
Latitude
40.6664
40.6664
Native IP
DataCenter
28%Risk Score
28% Risk Score
IP Address (Decimal)
2165506837
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 129.19.0.0/16 | EDU University Corporation for Atmospheric Research | United States | 📅 2012-01-28 07:08 | 📅 2025-12-30 15:57 | |
| 129.19.3.0/24 | EDU Colorado State University | United States | 📅 2009-11-04 08:04 | 📅 2025-12-24 23:26 | |
| 129.19.0.0/18 | EDU Colorado State University | United States | 📅 2017-01-03 01:37 | 📅 2025-12-24 23:26 | |
| 129.19.3.0/24 | GOV City of Loveland | United States | 📅 2018-01-05 10:59 | 📅 2018-01-05 11:17 | |
| 129.19.0.0/19 | EDU Colorado State University | United States | 📅 2007-08-24 01:15 | 📅 2012-01-30 22:36 | |
| 129.19.0.0/16 | EDU Colorado State University | United States | 📅 2003-02-19 04:28 | 📅 2008-02-29 16:25 | |
| 129.19.0.0/16 | EDU University of Colorado Denver | United States | 📅 2003-08-09 20:58 | 📅 2007-06-23 20:35 | |
| 129.0.0.0/8 | GOV RIPE NCC ASN block | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP NET129 | 129.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-12-07 07:44 |
ENT WESTNET | 129.19.0.0/16 | 📅 1987-07-08 09:00 | 📅 2025-12-06 18:50 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 129.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-12-07 07:44 | |
| 129.19.0.0/16 | ARIN | -- | 📅 1987-07-08 09:00 | 📅 2025-12-06 18:50 |
