L'indirizzo IP 156.81.15 è fornito da SURFnet, che è di proprietà del CIDR (Classless Inter-Domain Routing) 156.83.0.0/16, IP tra 156.83.0.0 a 156.83.255.255 ). Il numero di sistema autonomo (ASN) è 1103.
| ASN | 1103 |
| IP inizia con | 156.83.0.0 |
| IP finale con | 156.83.255.255 |
| ASN Nome | SURFnet |
| CDIR | 156.83.0.0/16 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 16/03/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Plano | 33,0735 | -96,8044 | 2018-03-16 |
| MaxMind | US | United States | - | Plano | 33,0812 | -96,8133 | 2018-03-16 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 156.81.15.0 | 2622557952 | 0 |
| 156.81.15.1 | 2622557953 | 0 |
| 156.81.15.2 | 2622557954 | 0 |
| 156.81.15.3 | 2622557955 | 0 |
| 156.81.15.4 | 2622557956 | 0 |
| 156.81.15.5 | 2622557957 | 0 |
| 156.81.15.6 | 2622557958 | 0 |
| 156.81.15.7 | 2622557959 | 0 |
| 156.81.15.8 | 2622557960 | 0 |
| 156.81.15.9 | 2622557961 | 0 |
| 156.81.15.10 | 2622557962 | 0 |
| 156.81.15.11 | 2622557963 | 0 |
| 156.81.15.12 | 2622557964 | 0 |
| 156.81.15.13 | 2622557965 | 0 |
| 156.81.15.14 | 2622557966 | 0 |
| 156.81.15.15 | 2622557967 | 0 |
| 156.81.15.16 | 2622557968 | 0 |
| 156.81.15.17 | 2622557969 | 0 |
| 156.81.15.18 | 2622557970 | 0 |
| 156.81.15.19 | 2622557971 | 0 |
| 156.81.15.20 | 2622557972 | 0 |
| 156.81.15.21 | 2622557973 | 0 |
| 156.81.15.22 | 2622557974 | 0 |
| 156.81.15.23 | 2622557975 | 0 |
| 156.81.15.24 | 2622557976 | 0 |
| 156.81.15.25 | 2622557977 | 0 |
| 156.81.15.26 | 2622557978 | 0 |
| 156.81.15.27 | 2622557979 | 0 |
| 156.81.15.28 | 2622557980 | 0 |
| 156.81.15.29 | 2622557981 | 0 |
| 156.81.15.30 | 2622557982 | 0 |
| 156.81.15.31 | 2622557983 | 0 |
| 156.81.15.32 | 2622557984 | 0 |
| 156.81.15.33 | 2622557985 | 0 |
| 156.81.15.34 | 2622557986 | 0 |
| 156.81.15.35 | 2622557987 | 0 |
| 156.81.15.36 | 2622557988 | 0 |
| 156.81.15.37 | 2622557989 | 0 |
| 156.81.15.38 | 2622557990 | 0 |
| 156.81.15.39 | 2622557991 | 0 |
| 156.81.15.40 | 2622557992 | 0 |
| 156.81.15.41 | 2622557993 | 0 |
| 156.81.15.42 | 2622557994 | 0 |
| 156.81.15.43 | 2622557995 | 0 |
| 156.81.15.44 | 2622557996 | 0 |
| 156.81.15.45 | 2622557997 | 0 |
| 156.81.15.46 | 2622557998 | 0 |
| 156.81.15.47 | 2622557999 | 0 |
| 156.81.15.48 | 2622558000 | 0 |
| 156.81.15.49 | 2622558001 | 0 |
| 156.81.15.50 | 2622558002 | 0 |
| 156.81.15.51 | 2622558003 | 0 |
| 156.81.15.52 | 2622558004 | 0 |
| 156.81.15.53 | 2622558005 | 0 |
| 156.81.15.54 | 2622558006 | 0 |
| 156.81.15.55 | 2622558007 | 0 |
| 156.81.15.56 | 2622558008 | 0 |
| 156.81.15.57 | 2622558009 | 0 |
| 156.81.15.58 | 2622558010 | 0 |
| 156.81.15.59 | 2622558011 | 0 |
| 156.81.15.60 | 2622558012 | 0 |
| 156.81.15.61 | 2622558013 | 0 |
| 156.81.15.62 | 2622558014 | 0 |
| 156.81.15.63 | 2622558015 | 0 |
| 156.81.15.64 | 2622558016 | 0 |
| 156.81.15.65 | 2622558017 | 0 |
| 156.81.15.66 | 2622558018 | 0 |
| 156.81.15.67 | 2622558019 | 0 |
| 156.81.15.68 | 2622558020 | 0 |
| 156.81.15.69 | 2622558021 | 0 |
| 156.81.15.70 | 2622558022 | 0 |
| 156.81.15.71 | 2622558023 | 0 |
| 156.81.15.72 | 2622558024 | 0 |
| 156.81.15.73 | 2622558025 | 0 |
| 156.81.15.74 | 2622558026 | 0 |
| 156.81.15.75 | 2622558027 | 0 |
| 156.81.15.76 | 2622558028 | 0 |
| 156.81.15.77 | 2622558029 | 0 |
| 156.81.15.78 | 2622558030 | 0 |
| 156.81.15.79 | 2622558031 | 0 |
| 156.81.15.80 | 2622558032 | 0 |
| 156.81.15.81 | 2622558033 | 0 |
| 156.81.15.82 | 2622558034 | 0 |
| 156.81.15.83 | 2622558035 | 0 |
| 156.81.15.84 | 2622558036 | 0 |
| 156.81.15.85 | 2622558037 | 0 |