Whois: 4.0.0.0/9
| IP Range: | 4.0.0.0 - 4.127.255.255 (8,389,608 total) |
| IP Location: |  United States |
| ISP Company: | Level 3 Communications, Inc.  |
| ISP ASN: | AS3356 |
| ISP Address: | Hawaii |
| ISP Website: | https://www.lumen.com/ |
| ISP Country: | United States, Honolulu |
4.0.0.0/9 domains
| # | Name | IPv4 | IPv6 | Rank | Updated |
|---|---|---|---|---|---|
| 1 | www.grc.com | 4.79.142.200 | :: | #21857 | 23.12.2025 |
| 2 | www.level3.com | 4.68.80.110 | :: | #58033 | 12.05.2024 |
4.0.0.0/9 Nameservers
| # | NameServer | IPv4 | IPv6 | Updated |
|---|---|---|---|---|
| 1 | ns3.kasperskylabs.net | 4.28.136.50 | 2a03:2480:8034::10 | Last seen: 06.02.2026 |
| 2 | ns3.kasperskylabs.org | 4.28.136.50 | 2a03:2480:8034::10 | Last seen: 22.01.2026 |
| 3 | ns0.amsl.com | 4.31.198.40 | 2001:1900:3001:11::28 | Last seen: 26.05.2022 |
4.0.0.0/9 users
| # | IP | OS | Browser | Updated |
|---|---|---|---|---|
| 1 | 4.36.169.42 |  Mac OS X |
 Chrome 127.0 |
Last seen: 02.06.2026 |
| 2 | 4.35.208.129 | Mac OS X |
Chrome 133.0 |
Last seen: 02.06.2026 |
| 3 | 4.7.41.158 | Mac OS X |
Chrome 120.0 |
Last seen: 31.05.2026 |
| 4 | 4.14.253.126 | Mac OS X |
Chrome 133.0 |
Last seen: 25.05.2026 |
| 5 | 4.36.145.154 | Mac OS X |
Chrome 125.0 |
Last seen: 21.05.2026 |
| 6 | 4.42.123.130 | Mac OS X |
Chrome 133.0 |
Last seen: 19.05.2026 |
| 7 | 4.42.19.162 | Mac OS X |
Chrome 131.0 |
Last seen: 14.05.2026 |
| 8 | 4.8.219.118 | Mac OS X |
 Firefox 133.0 |
Last seen: 10.05.2026 |
| 9 | 4.1.4.238 | Mac OS X |
Firefox 126.0 |
Last seen: 07.05.2026 |
| 10 | 4.14.69.194 | Mac OS X |
Chrome 125.0 |
Last seen: 07.05.2026 |
| 11 | 4.17.163.123 | Mac OS X |
Firefox 125.0 |
Last seen: 06.05.2026 |
| 12 | 4.38.81.90 | Mac OS X |
Chrome 127.0 |
Last seen: 06.05.2026 |
| 13 | 4.34.130.118 | Mac OS X |
Chrome 127.0 |
Last seen: 03.05.2026 |
| 14 | 4.37.73.70 |  Windows 10 |
Chrome 100.0 |
Last seen: 03.05.2026 |
| 15 | 4.36.186.122 | Mac OS X |
Chrome 136.0 |
Last seen: 03.05.2026 |
| 16 | 4.14.68.178 | Mac OS X |
Chrome 136.0 |
Last seen: 03.05.2026 |
| 17 | 4.37.42.147 | Mac OS X |
Chrome 119.0 |
Last seen: 02.05.2026 |
| 18 | 4.8.219.118 | Windows 10 |
Chrome 134.0 |
Last seen: 02.05.2026 |
| 19 | 4.18.107.24 | Mac OS X |
Chrome 123.0 |
Last seen: 02.05.2026 |
| 20 | 4.36.186.122 | Mac OS X |
Chrome 135.0 |
Last seen: 02.05.2026 |
