Die IP-Adresse 81.137.43 erfolgt über BTnet UK Regional network, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 81.128.0.0/11 (Bereich 81.128.0.0, 81.159.255.255). Die autonomen Systemnummer (ASN) ist 2856.
| ASN | 2856 |
| Ausgehend von IP | 81.128.0.0 |
| Beendigung durch IP | 81.159.255.255 |
| ASN-Namen | BTnet UK Regional network |
| GGDV | 81.128.0.0/11 |
| Numerische IP | |
| Registrierung | ripencc |
| Letztes update | 21.07.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | GB | Großbritannien und Nordirland | - | Newport | 51,5877 | -2,9984 | 2017-07-21 |
| MaxMind | GB | Großbritannien und Nordirland | - | Poole | 50,7167 | -2 | 2017-07-21 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.137.43.0 | 1367943936 | 0 |
| 81.137.43.1 | 1367943937 | 0 |
| 81.137.43.2 | 1367943938 | 0 |
| 81.137.43.3 | 1367943939 | 0 |
| 81.137.43.4 | 1367943940 | 0 |
| 81.137.43.5 | 1367943941 | 0 |
| 81.137.43.6 | 1367943942 | 0 |
| 81.137.43.7 | 1367943943 | 0 |
| 81.137.43.8 | 1367943944 | 0 |
| 81.137.43.9 | 1367943945 | 0 |
| 81.137.43.10 | 1367943946 | 0 |
| 81.137.43.11 | 1367943947 | 0 |
| 81.137.43.12 | 1367943948 | 0 |
| 81.137.43.13 | 1367943949 | 0 |
| 81.137.43.14 | 1367943950 | 0 |
| 81.137.43.15 | 1367943951 | 0 |
| 81.137.43.16 | 1367943952 | 0 |
| 81.137.43.17 | 1367943953 | 0 |
| 81.137.43.18 | 1367943954 | 0 |
| 81.137.43.19 | 1367943955 | 0 |
| 81.137.43.20 | 1367943956 | 0 |
| 81.137.43.21 | 1367943957 | 0 |
| 81.137.43.22 | 1367943958 | 0 |
| 81.137.43.23 | 1367943959 | 0 |
| 81.137.43.24 | 1367943960 | 0 |
| 81.137.43.25 | 1367943961 | 0 |
| 81.137.43.26 | 1367943962 | 0 |
| 81.137.43.27 | 1367943963 | 0 |
| 81.137.43.28 | 1367943964 | 0 |
| 81.137.43.29 | 1367943965 | 0 |
| 81.137.43.30 | 1367943966 | 0 |
| 81.137.43.31 | 1367943967 | 0 |
| 81.137.43.32 | 1367943968 | 0 |
| 81.137.43.33 | 1367943969 | 0 |
| 81.137.43.34 | 1367943970 | 0 |
| 81.137.43.35 | 1367943971 | 0 |
| 81.137.43.36 | 1367943972 | 0 |
| 81.137.43.37 | 1367943973 | 0 |
| 81.137.43.38 | 1367943974 | 0 |
| 81.137.43.39 | 1367943975 | 0 |
| 81.137.43.40 | 1367943976 | 0 |
| 81.137.43.41 | 1367943977 | 0 |
| 81.137.43.42 | 1367943978 | 0 |
| 81.137.43.43 | 1367943979 | 0 |
| 81.137.43.44 | 1367943980 | 0 |
| 81.137.43.45 | 1367943981 | 0 |
| 81.137.43.46 | 1367943982 | 0 |
| 81.137.43.47 | 1367943983 | 0 |
| 81.137.43.48 | 1367943984 | 0 |
| 81.137.43.49 | 1367943985 | 0 |
| 81.137.43.50 | 1367943986 | 0 |
| 81.137.43.51 | 1367943987 | 0 |
| 81.137.43.52 | 1367943988 | 0 |
| 81.137.43.53 | 1367943989 | 0 |
| 81.137.43.54 | 1367943990 | 0 |
| 81.137.43.55 | 1367943991 | 0 |
| 81.137.43.56 | 1367943992 | 0 |
| 81.137.43.57 | 1367943993 | 0 |
| 81.137.43.58 | 1367943994 | 0 |
| 81.137.43.59 | 1367943995 | 0 |
| 81.137.43.60 | 1367943996 | 0 |
| 81.137.43.61 | 1367943997 | 0 |
| 81.137.43.62 | 1367943998 | 0 |
| 81.137.43.63 | 1367943999 | 0 |
| 81.137.43.64 | 1367944000 | 0 |
| 81.137.43.65 | 1367944001 | 0 |
| 81.137.43.66 | 1367944002 | 0 |
| 81.137.43.67 | 1367944003 | 0 |
| 81.137.43.68 | 1367944004 | 0 |
| 81.137.43.69 | 1367944005 | 0 |
| 81.137.43.70 | 1367944006 | 0 |
| 81.137.43.71 | 1367944007 | 0 |
| 81.137.43.72 | 1367944008 | 0 |
| 81.137.43.73 | 1367944009 | 0 |
| 81.137.43.74 | 1367944010 | 0 |
| 81.137.43.75 | 1367944011 | 0 |
| 81.137.43.76 | 1367944012 | 0 |
| 81.137.43.77 | 1367944013 | 0 |
| 81.137.43.78 | 1367944014 | 0 |
| 81.137.43.79 | 1367944015 | 0 |
| 81.137.43.80 | 1367944016 | 0 |
| 81.137.43.81 | 1367944017 | 0 |
| 81.137.43.82 | 1367944018 | 0 |
| 81.137.43.83 | 1367944019 | 0 |
| 81.137.43.84 | 1367944020 | 0 |
| 81.137.43.85 | 1367944021 | 0 |