L'indirizzo IP 145.171.4 è fornito da SURFnet, che è di proprietà del CIDR (Classless Inter-Domain Routing) 145.128.0.0/10, IP tra 145.128.0.0 a 145.191.255.255 ). Il numero di sistema autonomo (ASN) è 1103.
| ASN | 1103 |
| IP inizia con | 145.128.0.0 |
| IP finale con | 145.191.255.255 |
| ASN Nome | SURFnet |
| CDIR | 145.128.0.0/10 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 12/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | NL | Netherlands | - | Utrecht | 52,0908 | 5,1222 | 2017-09-11 |
| MaxMind | NL | Netherlands | - | Utrecht | 52,0938 | 5,1191 | 2017-09-11 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.171.4.0 | 2443904000 | 0 |
| 145.171.4.1 | 2443904001 | 0 |
| 145.171.4.2 | 2443904002 | 0 |
| 145.171.4.3 | 2443904003 | 0 |
| 145.171.4.4 | 2443904004 | 0 |
| 145.171.4.5 | 2443904005 | 0 |
| 145.171.4.6 | 2443904006 | 0 |
| 145.171.4.7 | 2443904007 | 0 |
| 145.171.4.8 | 2443904008 | 0 |
| 145.171.4.9 | 2443904009 | 0 |
| 145.171.4.10 | 2443904010 | 0 |
| 145.171.4.11 | 2443904011 | 0 |
| 145.171.4.12 | 2443904012 | 0 |
| 145.171.4.13 | 2443904013 | 0 |
| 145.171.4.14 | 2443904014 | 0 |
| 145.171.4.15 | 2443904015 | 0 |
| 145.171.4.16 | 2443904016 | 0 |
| 145.171.4.17 | 2443904017 | 0 |
| 145.171.4.18 | 2443904018 | 0 |
| 145.171.4.19 | 2443904019 | 0 |
| 145.171.4.20 | 2443904020 | 0 |
| 145.171.4.21 | 2443904021 | 0 |
| 145.171.4.22 | 2443904022 | 0 |
| 145.171.4.23 | 2443904023 | 0 |
| 145.171.4.24 | 2443904024 | 0 |
| 145.171.4.25 | 2443904025 | 0 |
| 145.171.4.26 | 2443904026 | 0 |
| 145.171.4.27 | 2443904027 | 0 |
| 145.171.4.28 | 2443904028 | 0 |
| 145.171.4.29 | 2443904029 | 0 |
| 145.171.4.30 | 2443904030 | 0 |
| 145.171.4.31 | 2443904031 | 0 |
| 145.171.4.32 | 2443904032 | 0 |
| 145.171.4.33 | 2443904033 | 0 |
| 145.171.4.34 | 2443904034 | 0 |
| 145.171.4.35 | 2443904035 | 0 |
| 145.171.4.36 | 2443904036 | 0 |
| 145.171.4.37 | 2443904037 | 0 |
| 145.171.4.38 | 2443904038 | 0 |
| 145.171.4.39 | 2443904039 | 0 |
| 145.171.4.40 | 2443904040 | 0 |
| 145.171.4.41 | 2443904041 | 0 |
| 145.171.4.42 | 2443904042 | 0 |
| 145.171.4.43 | 2443904043 | 0 |
| 145.171.4.44 | 2443904044 | 0 |
| 145.171.4.45 | 2443904045 | 0 |
| 145.171.4.46 | 2443904046 | 0 |
| 145.171.4.47 | 2443904047 | 0 |
| 145.171.4.48 | 2443904048 | 0 |
| 145.171.4.49 | 2443904049 | 0 |
| 145.171.4.50 | 2443904050 | 0 |
| 145.171.4.51 | 2443904051 | 0 |
| 145.171.4.52 | 2443904052 | 0 |
| 145.171.4.53 | 2443904053 | 0 |
| 145.171.4.54 | 2443904054 | 0 |
| 145.171.4.55 | 2443904055 | 0 |
| 145.171.4.56 | 2443904056 | 0 |
| 145.171.4.57 | 2443904057 | 0 |
| 145.171.4.58 | 2443904058 | 0 |
| 145.171.4.59 | 2443904059 | 0 |
| 145.171.4.60 | 2443904060 | 0 |
| 145.171.4.61 | 2443904061 | 0 |
| 145.171.4.62 | 2443904062 | 0 |
| 145.171.4.63 | 2443904063 | 0 |
| 145.171.4.64 | 2443904064 | 0 |
| 145.171.4.65 | 2443904065 | 0 |
| 145.171.4.66 | 2443904066 | 0 |
| 145.171.4.67 | 2443904067 | 0 |
| 145.171.4.68 | 2443904068 | 0 |
| 145.171.4.69 | 2443904069 | 0 |
| 145.171.4.70 | 2443904070 | 0 |
| 145.171.4.71 | 2443904071 | 0 |
| 145.171.4.72 | 2443904072 | 0 |
| 145.171.4.73 | 2443904073 | 0 |
| 145.171.4.74 | 2443904074 | 0 |
| 145.171.4.75 | 2443904075 | 0 |
| 145.171.4.76 | 2443904076 | 0 |
| 145.171.4.77 | 2443904077 | 0 |
| 145.171.4.78 | 2443904078 | 0 |
| 145.171.4.79 | 2443904079 | 0 |
| 145.171.4.80 | 2443904080 | 0 |
| 145.171.4.81 | 2443904081 | 0 |
| 145.171.4.82 | 2443904082 | 0 |
| 145.171.4.83 | 2443904083 | 0 |
| 145.171.4.84 | 2443904084 | 0 |
| 145.171.4.85 | 2443904085 | 0 |