Les adresses IP débutant par 81.132.77 sont fournies par BTnet UK Regional network, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.128.0.0/11, le bloc IP comprant les adresses de 81.128.0.0 à 81.159.255.255). Le numéro de système autonome (ASN) est 2856.
| ASN | 2856 |
| IP commençant par | 81.128.0.0 |
| IP se terminant par | 81.159.255.255 |
| Nom ASN | BTnet UK Regional network |
| CDIR | 81.128.0.0/11 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 05/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Balsall Common | 52,3919 | -1,6504 | 2017-07-03 |
| MaxMind | GB | Royaume-Uni | - | Hinckley | 52,5333 | -1,3667 | 2017-07-03 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.132.77.0 | 1367624960 | 0 |
| 81.132.77.1 | 1367624961 | 0 |
| 81.132.77.2 | 1367624962 | 0 |
| 81.132.77.3 | 1367624963 | 0 |
| 81.132.77.4 | 1367624964 | 0 |
| 81.132.77.5 | 1367624965 | 0 |
| 81.132.77.6 | 1367624966 | 0 |
| 81.132.77.7 | 1367624967 | 0 |
| 81.132.77.8 | 1367624968 | 0 |
| 81.132.77.9 | 1367624969 | 0 |
| 81.132.77.10 | 1367624970 | 0 |
| 81.132.77.11 | 1367624971 | 0 |
| 81.132.77.12 | 1367624972 | 0 |
| 81.132.77.13 | 1367624973 | 0 |
| 81.132.77.14 | 1367624974 | 0 |
| 81.132.77.15 | 1367624975 | 0 |
| 81.132.77.16 | 1367624976 | 0 |
| 81.132.77.17 | 1367624977 | 0 |
| 81.132.77.18 | 1367624978 | 0 |
| 81.132.77.19 | 1367624979 | 0 |
| 81.132.77.20 | 1367624980 | 0 |
| 81.132.77.21 | 1367624981 | 0 |
| 81.132.77.22 | 1367624982 | 0 |
| 81.132.77.23 | 1367624983 | 0 |
| 81.132.77.24 | 1367624984 | 0 |
| 81.132.77.25 | 1367624985 | 0 |
| 81.132.77.26 | 1367624986 | 0 |
| 81.132.77.27 | 1367624987 | 0 |
| 81.132.77.28 | 1367624988 | 0 |
| 81.132.77.29 | 1367624989 | 0 |
| 81.132.77.30 | 1367624990 | 0 |
| 81.132.77.31 | 1367624991 | 0 |
| 81.132.77.32 | 1367624992 | 0 |
| 81.132.77.33 | 1367624993 | 0 |
| 81.132.77.34 | 1367624994 | 0 |
| 81.132.77.35 | 1367624995 | 0 |
| 81.132.77.36 | 1367624996 | 0 |
| 81.132.77.37 | 1367624997 | 0 |
| 81.132.77.38 | 1367624998 | 0 |
| 81.132.77.39 | 1367624999 | 0 |
| 81.132.77.40 | 1367625000 | 0 |
| 81.132.77.41 | 1367625001 | 0 |
| 81.132.77.42 | 1367625002 | 0 |
| 81.132.77.43 | 1367625003 | 0 |
| 81.132.77.44 | 1367625004 | 0 |
| 81.132.77.45 | 1367625005 | 0 |
| 81.132.77.46 | 1367625006 | 0 |
| 81.132.77.47 | 1367625007 | 0 |
| 81.132.77.48 | 1367625008 | 0 |
| 81.132.77.49 | 1367625009 | 0 |
| 81.132.77.50 | 1367625010 | 0 |
| 81.132.77.51 | 1367625011 | 0 |
| 81.132.77.52 | 1367625012 | 0 |
| 81.132.77.53 | 1367625013 | 0 |
| 81.132.77.54 | 1367625014 | 0 |
| 81.132.77.55 | 1367625015 | 0 |
| 81.132.77.56 | 1367625016 | 0 |
| 81.132.77.57 | 1367625017 | 0 |
| 81.132.77.58 | 1367625018 | 0 |
| 81.132.77.59 | 1367625019 | 0 |
| 81.132.77.60 | 1367625020 | 0 |
| 81.132.77.61 | 1367625021 | 0 |
| 81.132.77.62 | 1367625022 | 0 |
| 81.132.77.63 | 1367625023 | 0 |
| 81.132.77.64 | 1367625024 | 0 |
| 81.132.77.65 | 1367625025 | 0 |
| 81.132.77.66 | 1367625026 | 0 |
| 81.132.77.67 | 1367625027 | 0 |
| 81.132.77.68 | 1367625028 | 0 |
| 81.132.77.69 | 1367625029 | 0 |
| 81.132.77.70 | 1367625030 | 0 |
| 81.132.77.71 | 1367625031 | 0 |
| 81.132.77.72 | 1367625032 | 0 |
| 81.132.77.73 | 1367625033 | 0 |
| 81.132.77.74 | 1367625034 | 0 |
| 81.132.77.75 | 1367625035 | 0 |
| 81.132.77.76 | 1367625036 | 0 |
| 81.132.77.77 | 1367625037 | 0 |
| 81.132.77.78 | 1367625038 | 0 |
| 81.132.77.79 | 1367625039 | 0 |
| 81.132.77.80 | 1367625040 | 0 |
| 81.132.77.81 | 1367625041 | 0 |
| 81.132.77.82 | 1367625042 | 0 |
| 81.132.77.83 | 1367625043 | 0 |
| 81.132.77.84 | 1367625044 | 0 |
| 81.132.77.85 | 1367625045 | 0 |