IP / ASN / Domain Lookup
IP Lookup Result
IP Address
204.181.155.4o101-4.csd.net.
Location
United States,Colorado,Boulder
ASN
Company
ISP
Computer Systems Design Company
Longitude
-105.3577
-105.3577
Latitude
40.0924
40.0924
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
3434453764
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 204.180.0.0/14 | ISP Cogent Communications | United States | 📅 2024-05-15 04:05 | 📅 2025-11-20 09:07 | |
| 204.181.152.0/21 | ISP Computer Systems Design Company | United States | 📅 2017-01-01 08:39 | 📅 2025-11-19 20:20 | |
| 204.180.0.0/14 | ISP Sprint | United States | 📅 2003-05-05 00:57 | 📅 2024-10-25 13:12 | |
| 204.181.155.0/24 | ISP Computer Systems Design Company | United States | 📅 2001-10-29 06:54 | 📅 2008-02-09 05:08 | |
| 204.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 204.180.0.0/14 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 10:37 | 📅 2002-04-10 11:15 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP NET204 | 204.0.0.0/8 | 📅 1994-05-01 08:00 | 📅 2025-11-17 17:43 |
ENT NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 204.174.101.0/12 | 📅 2023-02-21 22:52 | 📅 2025-11-17 17:33 |
ISP SPRINT-BLKC | 204.180.0.0/14 | 📅 1994-10-18 08:00 | 📅 2025-11-17 17:33 |
ISP SPRINT-CCB59F | 204.181.152.0/21 | 📅 1994-12-20 08:00 | 📅 2025-11-17 16:53 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 204.0.0.0/8 |  ARIN | -- | 📅 1994-05-01 08:00 | 📅 2025-11-17 17:43 | |
| 204.174.101.0/12 |  RIPE | European Union | 📅 2023-02-21 22:52 | 📅 2025-11-17 17:33 | |
| 204.180.0.0/14 | ARIN | -- | 📅 1994-10-18 08:00 | 📅 2025-11-17 17:33 | |
| 204.181.152.0/21 | ARIN | -- | 📅 1994-12-20 08:00 | 📅 2025-11-17 16:53 |
