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 | :: | #21747 | 23.12.2025 |
| 2 | www.level3.com | 4.68.80.110 | :: | #63518 | 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: 13.09.2026 |
| 2 | 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 | 4.15.13.178 |  Mac OS X |
 Edge Generic |
Last seen: 22.10.2026 |
| 2 | 4.8.116.138 |  Linux |
 Chrome Generic |
Last seen: 20.10.2026 |
| 3 | 4.1.225.222 | Mac OS X |
 Firefox Generic |
Last seen: 19.10.2026 |
| 4 | 4.16.139.206 |  Windows 10 |
Chrome 99.0 |
Last seen: 18.10.2026 |
| 5 | 4.8.167.146 | Mac OS X |
Chrome 145.0 |
Last seen: 15.10.2026 |
| 6 | 4.17.161.104 | Mac OS X |
Chrome Generic |
Last seen: 15.10.2026 |
| 7 | 4.19.91.186 | Windows 10 |
Chrome 99.0 |
Last seen: 15.10.2026 |
| 8 | 4.19.145.244 | Windows 10 |
Chrome 99.0 |
Last seen: 15.10.2026 |
| 9 | 4.35.208.129 | Mac OS X |
Chrome Generic |
Last seen: 13.10.2026 |
| 10 | 4.15.13.178 | Mac OS X |
Chrome 133.0 |
Last seen: 13.10.2026 |
| 11 | 4.20.91.174 | Windows 10 |
Chrome 110.0 |
Last seen: 12.10.2026 |
| 12 | 4.78.46.219 | Mac OS X |
Chrome 145.0 |
Last seen: 22.09.2026 |
| 13 | 4.38.194.146 | Windows 10 |
Chrome Generic |
Last seen: 04.09.2026 |
| 14 | 4.42.148.154 |  iPhone |
 Mobile Safari Generic |
Last seen: 19.06.2026 |
| 15 | 4.36.169.42 | Mac OS X |
Chrome 127.0 |
Last seen: 02.06.2026 |
| 16 | 4.35.208.129 | Mac OS X |
Chrome 133.0 |
Last seen: 02.06.2026 |
| 17 | 4.7.41.158 | Mac OS X |
Chrome 120.0 |
Last seen: 31.05.2026 |
| 18 | 4.14.253.126 | Mac OS X |
Chrome 133.0 |
Last seen: 25.05.2026 |
| 19 | 4.36.145.154 | Mac OS X |
Chrome 125.0 |
Last seen: 21.05.2026 |
| 20 | 4.42.123.130 | Mac OS X |
Chrome 133.0 |
Last seen: 19.05.2026 |
