IP / ASN / Domain Lookup
IP Lookup Result
IP Address
163.138.159.251
Location
Japan,Tokyo
ASN
Company
ISP
Nippon Telegraph and Telephone Corporation
Longitude
139.3641
139.3641
Latitude
35.7078
35.7078
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
2743771131
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 163.138.128.0/19 | ISP Nippon Telegraph and Telephone Corporation | Japan | 📅 2017-01-01 08:38 | 📅 2026-01-02 14:29 | |
| 163.138.0.0/16 | ISP Nippon Telegraph and Telephone Corporation | Japan | 📅 2001-10-29 08:35 | 📅 2012-01-30 08:40 | |
| 163.0.0.0/8 | GOV RIPE NCC ASN block | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 163.138.0.0/16 | EDU WIDE Project | Japan | 📅 2002-09-10 17:39 | 📅 2002-09-19 18:07 | |
| 163.138.0.0/16 | ENT NTT Network Innovation Laboratories | Japan | 📅 2002-04-16 16:11 | 📅 2002-04-17 06:37 | |
| 163.138.0.0/16 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 02:11 | 📅 2002-04-16 16:10 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ENT APNIC-ERX-163 | 163.0.0.0/8 | 📅 1993-05-01 08:00 | 📅 2026-01-04 17:59 |
ENT NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 163.121.0.0/10 | 📅 2021-05-25 22:32 | 📅 2026-01-04 17:59 |
EDU NTTECL-JP | 163.138.0.0/16 | 📅 2023-01-25 12:58 | 📅 2026-01-03 16:41 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 163.0.0.0/8 |  ARIN | -- | 📅 1993-05-01 08:00 | 📅 2026-01-04 17:59 | |
| 163.121.0.0/10 |  RIPE | European Union | 📅 2021-05-25 22:32 | 📅 2026-01-04 17:59 | |
| 163.138.0.0/16 |  APNIC | Japan | 📅 2023-01-25 12:58 | 📅 2026-01-03 16:41 |
