IP / ASN / Domain Lookup
IP Lookup Result
IP Address
156.1.23.0
Location
United States,California,Sunnyvale
ASN
Company
ISP
San Francisco Unified School District
Longitude
-121.6963
-121.6963
Latitude
37.2324
37.2324
Native IP
DataCenter
24%Risk Score
24% Risk Score
IP Address (Decimal)
2617317120
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 156.1.0.0/16 | ISP San Francisco Unified School District | United States | 📅 2017-01-01 08:39 | 📅 2025-11-20 03:20 | |
| 156.1.23.0/24 | ISP San Francisco Unified School District | United States | 📅 2023-07-24 06:18 | 📅 2023-07-26 12:09 | |
| 156.0.0.0/8 | UNK Unknown | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 156.1.0.0/16 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 2002-04-17 13:12 | |
| 156.1.0.0/16 | ISP AT&T Enterprises, LLC | United States | 📅 2001-10-27 05:48 | 📅 2002-03-16 01:28 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ISP NET156 | 156.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2025-11-20 17:44 |
IDC NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 155.254.64.0/12 | 📅 2019-01-07 18:49 | 📅 2025-11-20 17:29 |
ISP SFUSD-NET | 156.1.0.0/16 | 📅 1991-10-29 08:00 | 📅 2025-11-20 03:20 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 156.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2025-11-20 17:44 | |
| 155.254.64.0/12 |  RIPE | European Union | 📅 2019-01-07 18:49 | 📅 2025-11-20 17:29 | |
| 156.1.0.0/16 | ARIN | -- | 📅 1991-10-29 08:00 | 📅 2025-11-20 03:20 |
