Whois: 81.135.12.4
| IP Address: | 81.135.12.4 |
| IP Location: |  United Kingdom |
| IP Range: | 81.135.0.0 - 81.135.127.255 (32768 total) |
| IP Reverse DNS (Host): | host81-135-12-4.range81-135.btcentralplus.com |
| ISP Company: | British Telecommunications PLC  |
| ISP ASN: | AS2856 |
| ISP Address: | British Telecommunications,81 Newgate Street,London GB, |
| ISP Country: | United Kingdom, London |
| IP CIDR: | 81.128.0.0/12 |
Domains at 81.135.12.4
| # | Name | IPv4 | IPv6 | Updated |
|---|---|---|---|---|
| No results |
81.135.12.4 Nameservers
| # | NameServer | IPv4 | IPv6 | Updated |
|---|---|---|---|---|
| No results |
Users at 81.135.12.4
| # | IP | OS | Browser | Updated |
|---|---|---|---|---|
| 1 | 81.135.12.4 |  Mac OS X |
 Chrome 124.0 |
Last seen: 12.06.2026 |
| 2 | 81.135.12.4 |  Windows 10 |
 Firefox 130.0 |
Last seen: 11.06.2026 |
| 3 | 81.135.12.4 | Mac OS X |
Firefox 136.0 |
Last seen: 05.06.2026 |
| 4 | 81.135.12.4 | Windows 10 |
Chrome 133.0 |
Last seen: 02.06.2026 |
