L'indirizzo IP 4.91.72 è fornito da Level 3 Communications, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 4.0.0.0/8, IP tra 4.0.0.0 a 4.255.255.255 ). Il numero di sistema autonomo (ASN) è 3356.
| ASN | 3356 |
| IP inizia con | 4.0.0.0 |
| IP finale con | 4.255.255.255 |
| ASN Nome | Level 3 Communications, Inc. |
| CDIR | 4.0.0.0/8 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 25/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Los Angeles | 34,0522 | -118,2437 | 2017-09-25 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-09-25 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 4.91.72.0 | 73091072 | 0 |
| 4.91.72.1 | 73091073 | 0 |
| 4.91.72.2 | 73091074 | 0 |
| 4.91.72.3 | 73091075 | 0 |
| 4.91.72.4 | 73091076 | 0 |
| 4.91.72.5 | 73091077 | 0 |
| 4.91.72.6 | 73091078 | 0 |
| 4.91.72.7 | 73091079 | 0 |
| 4.91.72.8 | 73091080 | 0 |
| 4.91.72.9 | 73091081 | 0 |
| 4.91.72.10 | 73091082 | 0 |
| 4.91.72.11 | 73091083 | 0 |
| 4.91.72.12 | 73091084 | 0 |
| 4.91.72.13 | 73091085 | 0 |
| 4.91.72.14 | 73091086 | 0 |
| 4.91.72.15 | 73091087 | 0 |
| 4.91.72.16 | 73091088 | 0 |
| 4.91.72.17 | 73091089 | 0 |
| 4.91.72.18 | 73091090 | 0 |
| 4.91.72.19 | 73091091 | 0 |
| 4.91.72.20 | 73091092 | 0 |
| 4.91.72.21 | 73091093 | 0 |
| 4.91.72.22 | 73091094 | 0 |
| 4.91.72.23 | 73091095 | 0 |
| 4.91.72.24 | 73091096 | 0 |
| 4.91.72.25 | 73091097 | 0 |
| 4.91.72.26 | 73091098 | 0 |
| 4.91.72.27 | 73091099 | 0 |
| 4.91.72.28 | 73091100 | 0 |
| 4.91.72.29 | 73091101 | 0 |
| 4.91.72.30 | 73091102 | 0 |
| 4.91.72.31 | 73091103 | 0 |
| 4.91.72.32 | 73091104 | 0 |
| 4.91.72.33 | 73091105 | 0 |
| 4.91.72.34 | 73091106 | 0 |
| 4.91.72.35 | 73091107 | 0 |
| 4.91.72.36 | 73091108 | 0 |
| 4.91.72.37 | 73091109 | 0 |
| 4.91.72.38 | 73091110 | 0 |
| 4.91.72.39 | 73091111 | 0 |
| 4.91.72.40 | 73091112 | 0 |
| 4.91.72.41 | 73091113 | 0 |
| 4.91.72.42 | 73091114 | 0 |
| 4.91.72.43 | 73091115 | 0 |
| 4.91.72.44 | 73091116 | 0 |
| 4.91.72.45 | 73091117 | 0 |
| 4.91.72.46 | 73091118 | 0 |
| 4.91.72.47 | 73091119 | 0 |
| 4.91.72.48 | 73091120 | 0 |
| 4.91.72.49 | 73091121 | 0 |
| 4.91.72.50 | 73091122 | 0 |
| 4.91.72.51 | 73091123 | 0 |
| 4.91.72.52 | 73091124 | 0 |
| 4.91.72.53 | 73091125 | 0 |
| 4.91.72.54 | 73091126 | 0 |
| 4.91.72.55 | 73091127 | 0 |
| 4.91.72.56 | 73091128 | 0 |
| 4.91.72.57 | 73091129 | 0 |
| 4.91.72.58 | 73091130 | 0 |
| 4.91.72.59 | 73091131 | 0 |
| 4.91.72.60 | 73091132 | 0 |
| 4.91.72.61 | 73091133 | 0 |
| 4.91.72.62 | 73091134 | 0 |
| 4.91.72.63 | 73091135 | 0 |
| 4.91.72.64 | 73091136 | 0 |
| 4.91.72.65 | 73091137 | 0 |
| 4.91.72.66 | 73091138 | 0 |
| 4.91.72.67 | 73091139 | 0 |
| 4.91.72.68 | 73091140 | 0 |
| 4.91.72.69 | 73091141 | 0 |
| 4.91.72.70 | 73091142 | 0 |
| 4.91.72.71 | 73091143 | 0 |
| 4.91.72.72 | 73091144 | 0 |
| 4.91.72.73 | 73091145 | 0 |
| 4.91.72.74 | 73091146 | 0 |
| 4.91.72.75 | 73091147 | 0 |
| 4.91.72.76 | 73091148 | 0 |
| 4.91.72.77 | 73091149 | 0 |
| 4.91.72.78 | 73091150 | 0 |
| 4.91.72.79 | 73091151 | 0 |
| 4.91.72.80 | 73091152 | 0 |
| 4.91.72.81 | 73091153 | 0 |
| 4.91.72.82 | 73091154 | 0 |
| 4.91.72.83 | 73091155 | 0 |
| 4.91.72.84 | 73091156 | 0 |
| 4.91.72.85 | 73091157 | 0 |