Whois: 5.81.0.0/16
| IP Range: | 5.81.128.0 - 5.81.255.255 (33,768 total) |
| IP Location: |  United Kingdom |
| ISP Company: | British Telecommunications PLC  |
| ISP ASN: | AS2856 |
| ISP Address: | British Telecommunications,81 Newgate Street,London GB, |
| ISP Country: | United Kingdom, London |
5.81.0.0/16 domains
| # | Name | IPv4 | IPv6 | Rank | Updated |
|---|---|---|---|---|---|
| No results |
5.81.0.0/16 Nameservers
| # | NameServer | IPv4 | IPv6 | Updated |
|---|---|---|---|---|
| No results |
5.81.0.0/16 users
| # | IP | OS | Browser | Updated |
|---|---|---|---|---|
| 1 | 5.81.191.232 |  Mac OS X |
 Chrome 132.0 |
Last seen: 12.06.2026 |
| 2 | 5.81.240.118 | Mac OS X |
Chrome 130.0 |
Last seen: 05.06.2026 |
| 3 | 5.81.213.89 |  Windows 10 |
Chrome 132.0 |
Last seen: 04.06.2026 |
| 4 | 5.81.153.104 | Mac OS X |
Chrome 124.0 |
Last seen: 04.06.2026 |
| 5 | 5.81.191.232 | Mac OS X |
 Firefox 129.0 |
Last seen: 03.06.2026 |
| 6 | 5.81.213.89 | Mac OS X |
Firefox 132.0 |
Last seen: 01.06.2026 |
| 7 | 5.81.156.193 | Mac OS X |
Chrome 124.0 |
Last seen: 31.05.2026 |
| 8 | 5.81.149.195 | Mac OS X |
Chrome 134.0 |
Last seen: 22.05.2026 |
| 9 | 5.81.185.127 | Mac OS X |
Chrome 132.0 |
Last seen: 20.05.2026 |
| 10 | 5.81.215.173 | Mac OS X |
Chrome 130.0 |
Last seen: 18.05.2026 |
| 11 | 5.81.242.76 | Mac OS X |
Firefox 136.0 |
Last seen: 16.05.2026 |
| 12 | 5.81.149.195 | Mac OS X |
Chrome 131.0 |
Last seen: 15.05.2026 |
| 13 | 5.81.205.229 | Windows 10 |
Chrome 125.0 |
Last seen: 14.05.2026 |
| 14 | 5.81.205.229 | Mac OS X |
Firefox 134.0 |
Last seen: 13.05.2026 |
| 15 | 5.81.179.254 | Windows 10 |
 Edge 135.0 |
Last seen: 12.05.2026 |
| 16 | 5.81.210.89 | Mac OS X |
Chrome 124.0 |
Last seen: 12.05.2026 |
| 17 | 5.81.232.51 | Windows 10 |
Chrome 116.0 |
Last seen: 04.05.2026 |
| 18 | 5.81.138.38 | Windows 10 |
Chrome 116.0 |
Last seen: 03.05.2026 |
| 19 | 5.81.156.167 | Windows 10 |
Chrome 101.0 |
Last seen: 01.05.2026 |
| 20 | 5.81.213.89 | Windows 10 |
Chrome 134.0 |
Last seen: 30.04.2026 |
