IP / ASN / Domain Lookup
IP Lookup Result
IP Address
129.19.153.0
Location
United States,Colorado,Boulder
ASN
Company
ENT
University Corporation for Atmospheric Research
Longitude
-105.3577
-105.3577
Latitude
40.0924
40.0924
Native IP
DataCenter
30%Risk Score
30% Risk Score
IP Address (Decimal)
2165545216
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 | 📅 2017-01-01 08:39 | 📅 2025-10-20 00:47 | |
| 129.19.153.0/24 | ENT University Corporation for Atmospheric Research | United States | 📅 2021-10-21 12:08 | 📅 2025-10-17 00:13 | |
| 129.19.153.0/24 | ENT University Corporation for Atmospheric Research | United States | 📅 2017-01-03 01:35 | 📅 2018-10-01 15:04 | |
| 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 | 📅 2025-10-20 14:10 |
ENT WESTNET | 129.19.0.0/16 | 📅 1987-07-08 09:00 | 📅 2025-10-20 11:55 |
ENT FRGP-PARTICIPANT-ASSIGNMENTS-01 | 129.19.128.0/18 | 📅 2022-11-16 08:00 | 📅 2025-10-20 11:55 |
ENT WESTNET-SHEPC-01 | 129.19.153.0/24 | 📅 2024-09-11 08:00 | 📅 2025-10-17 00:13 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 129.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-10-20 14:10 | |
| 129.19.0.0/16 | ARIN | -- | 📅 1987-07-08 09:00 | 📅 2025-10-20 11:55 | |
| 129.19.128.0/18 | ARIN | -- | 📅 2022-11-16 08:00 | 📅 2025-10-20 11:55 | |
| 129.19.153.0/24 | ARIN | -- | 📅 2024-09-11 08:00 | 📅 2025-10-17 00:13 |
