The IP address 81.139.75 is provided by BTnet UK Regional network, it's belong to the CDIR (Classless Inter-Domain Routing) 81.128.0.0/11 (range 81.128.0.0 to 81.159.255.255). The autonomous system number (ASN) is 2856.
| ASN | 2856 |
| IP starting by | 81.128.0.0 |
| IP ending by | 81.159.255.255 |
| ASN Name | BTnet UK Regional network |
| CDIR | 81.128.0.0/11 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 08/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | GB | United Kingdom | - | Airmyn | 53.7207 | -0.8996 | 2017-07-08 |
| MaxMind | GB | United Kingdom | - | - | 51.4964 | -0.1224 | 2017-07-08 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.139.75.0 | 1368083200 | 0 |
| 81.139.75.1 | 1368083201 | 0 |
| 81.139.75.2 | 1368083202 | 0 |
| 81.139.75.3 | 1368083203 | 0 |
| 81.139.75.4 | 1368083204 | 0 |
| 81.139.75.5 | 1368083205 | 0 |
| 81.139.75.6 | 1368083206 | 0 |
| 81.139.75.7 | 1368083207 | 0 |
| 81.139.75.8 | 1368083208 | 0 |
| 81.139.75.9 | 1368083209 | 0 |
| 81.139.75.10 | 1368083210 | 0 |
| 81.139.75.11 | 1368083211 | 0 |
| 81.139.75.12 | 1368083212 | 0 |
| 81.139.75.13 | 1368083213 | 0 |
| 81.139.75.14 | 1368083214 | 0 |
| 81.139.75.15 | 1368083215 | 0 |
| 81.139.75.16 | 1368083216 | 0 |
| 81.139.75.17 | 1368083217 | 0 |
| 81.139.75.18 | 1368083218 | 0 |
| 81.139.75.19 | 1368083219 | 0 |
| 81.139.75.20 | 1368083220 | 0 |
| 81.139.75.21 | 1368083221 | 0 |
| 81.139.75.22 | 1368083222 | 0 |
| 81.139.75.23 | 1368083223 | 0 |
| 81.139.75.24 | 1368083224 | 0 |
| 81.139.75.25 | 1368083225 | 0 |
| 81.139.75.26 | 1368083226 | 0 |
| 81.139.75.27 | 1368083227 | 0 |
| 81.139.75.28 | 1368083228 | 0 |
| 81.139.75.29 | 1368083229 | 0 |
| 81.139.75.30 | 1368083230 | 0 |
| 81.139.75.31 | 1368083231 | 0 |
| 81.139.75.32 | 1368083232 | 0 |
| 81.139.75.33 | 1368083233 | 0 |
| 81.139.75.34 | 1368083234 | 0 |
| 81.139.75.35 | 1368083235 | 0 |
| 81.139.75.36 | 1368083236 | 0 |
| 81.139.75.37 | 1368083237 | 0 |
| 81.139.75.38 | 1368083238 | 0 |
| 81.139.75.39 | 1368083239 | 0 |
| 81.139.75.40 | 1368083240 | 0 |
| 81.139.75.41 | 1368083241 | 0 |
| 81.139.75.42 | 1368083242 | 0 |
| 81.139.75.43 | 1368083243 | 0 |
| 81.139.75.44 | 1368083244 | 0 |
| 81.139.75.45 | 1368083245 | 0 |
| 81.139.75.46 | 1368083246 | 0 |
| 81.139.75.47 | 1368083247 | 0 |
| 81.139.75.48 | 1368083248 | 0 |
| 81.139.75.49 | 1368083249 | 0 |
| 81.139.75.50 | 1368083250 | 0 |
| 81.139.75.51 | 1368083251 | 0 |
| 81.139.75.52 | 1368083252 | 0 |
| 81.139.75.53 | 1368083253 | 0 |
| 81.139.75.54 | 1368083254 | 0 |
| 81.139.75.55 | 1368083255 | 0 |
| 81.139.75.56 | 1368083256 | 0 |
| 81.139.75.57 | 1368083257 | 0 |
| 81.139.75.58 | 1368083258 | 0 |
| 81.139.75.59 | 1368083259 | 0 |
| 81.139.75.60 | 1368083260 | 0 |
| 81.139.75.61 | 1368083261 | 0 |
| 81.139.75.62 | 1368083262 | 0 |
| 81.139.75.63 | 1368083263 | 0 |
| 81.139.75.64 | 1368083264 | 0 |
| 81.139.75.65 | 1368083265 | 0 |
| 81.139.75.66 | 1368083266 | 0 |
| 81.139.75.67 | 1368083267 | 0 |
| 81.139.75.68 | 1368083268 | 0 |
| 81.139.75.69 | 1368083269 | 0 |
| 81.139.75.70 | 1368083270 | 0 |
| 81.139.75.71 | 1368083271 | 0 |
| 81.139.75.72 | 1368083272 | 0 |
| 81.139.75.73 | 1368083273 | 0 |
| 81.139.75.74 | 1368083274 | 0 |
| 81.139.75.75 | 1368083275 | 0 |
| 81.139.75.76 | 1368083276 | 0 |
| 81.139.75.77 | 1368083277 | 0 |
| 81.139.75.78 | 1368083278 | 0 |
| 81.139.75.79 | 1368083279 | 0 |
| 81.139.75.80 | 1368083280 | 0 |
| 81.139.75.81 | 1368083281 | 0 |
| 81.139.75.82 | 1368083282 | 0 |
| 81.139.75.83 | 1368083283 | 0 |
| 81.139.75.84 | 1368083284 | 0 |
| 81.139.75.85 | 1368083285 | 0 |