IP / ASN / Domain Lookup
IP Lookup Result
IP Address
205.243.73.0dyn.cust-205-243-73-0.mt-opticom.net.
Location
United States,Montana,Bozeman
ASN
Company
ISP
Montana Opticom, LLC
Longitude
-111.1704
-111.1704
Latitude
45.5404
45.5404
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
3455273216
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 205.243.72.0/23 | ISP Montana Opticom, LLC | United States | 📅 2017-01-01 08:39 | 📅 2025-11-06 10:34 | |
| 205.240.0.0/13 | ISP Cogent Communications | United States | 📅 2024-05-15 04:05 | 📅 2025-11-05 13:32 | |
| 205.240.0.0/13 | ISP Sprint | United States | 📅 2003-01-11 07:06 | 📅 2024-10-25 13:12 | |
| 205.0.0.0/8 | ISP CONECT INTERNET PROVIDER | Brazil | 📅 2018-04-26 19:39 | 📅 2018-04-27 00:49 | |
| 205.243.73.0/24 | ISP Montana Opticom, LLC | United States | 📅 2002-02-27 05:38 | 📅 2004-02-06 13:45 | |
| 205.243.72.0/23 | ISP Sprint | United States | 📅 2002-01-31 07:30 | 📅 2002-04-22 00:11 | |
| 205.243.73.0/24 | ISP Availo Networks AB | Sweden | 📅 2002-04-12 05:54 | 📅 2002-04-17 13:13 | |
| 205.240.0.0/13 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 10:37 | 📅 2002-04-10 11:15 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
IDC NET205 | 205.0.0.0/8 | 📅 1994-05-01 08:00 | 📅 2025-11-06 17:42 |
ENT NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 205.238.128.0/9 | 📅 2025-05-28 21:19 | 📅 2025-11-06 17:40 |
ISP SPRINT-BLKF | 205.240.0.0/13 | 📅 1995-04-24 08:00 | 📅 2025-11-06 14:37 |
ISP SPRINT-CDF348 | 205.243.72.0/23 | 📅 1999-09-14 08:00 | 📅 2025-11-06 10:34 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 205.0.0.0/8 |  ARIN | -- | 📅 1994-05-01 08:00 | 📅 2025-11-06 17:42 | |
| 205.238.128.0/9 |  RIPE | European Union | 📅 2025-05-28 21:19 | 📅 2025-11-06 17:40 | |
| 205.240.0.0/13 | ARIN | -- | 📅 1995-04-24 08:00 | 📅 2025-11-06 14:37 | |
| 205.243.72.0/23 | ARIN | -- | 📅 1999-09-14 08:00 | 📅 2025-11-06 10:34 |
