IP / ASN / Domain Lookup
IP Lookup Result
IP Address
166.137.221.251mobile-166-137-221-251.mycingular.net.
Location
United States,Virginia,Ashburn
ASN
Company
ISP
AT&T Enterprises, LLC
Longitude
-77.6358
-77.6358
Latitude
39.0906
39.0906
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
2794053115
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 166.137.221.0/24 | ISP AT&T Enterprises, LLC | United States | 📅 2025-11-02 16:33 | 📅 2025-11-04 17:34 | |
| 166.137.0.0/16 | ISP AT&T Enterprises, LLC | United States | 📅 2017-01-01 08:39 | 📅 2025-10-20 00:47 | |
| 166.137.128.0/17 | ISP AT&T Enterprises, LLC | United States | 📅 2017-01-01 08:39 | 📅 2025-10-20 00:46 | |
| 166.137.0.0/16 | ISP AT&T Enterprises, LLC | United States | 📅 2001-10-27 06:37 | 📅 2004-02-06 13:45 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
IDC NET166 | 166.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-11-04 17:44 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 166.108.192.0/8 | 📅 2025-07-14 20:58 | 📅 2025-11-04 17:44 |
ISP AEL-360 | 166.128.0.0/12 | 📅 2025-04-01 08:00 | 📅 2025-11-04 17:34 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 166.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-11-04 17:44 | |
| 166.108.192.0/8 |  RIPE | European Union | 📅 2025-07-14 20:58 | 📅 2025-11-04 17:44 | |
| 166.128.0.0/12 | ARIN | -- | 📅 2025-04-01 08:00 | 📅 2025-11-04 17:34 |
