L'indirizzo IP 3.87.72 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 | arin |
| Ultimo aggiornamento | 29/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Fairfield | 41,2184 | -73,2517 | 2017-07-03 |
| MaxMind | US | United States | - | Fairfield | 41,1412 | -73,2637 | 2017-07-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 3.87.72.0 | 56051712 | 0 |
| 3.87.72.1 | 56051713 | 0 |
| 3.87.72.2 | 56051714 | 0 |
| 3.87.72.3 | 56051715 | 0 |
| 3.87.72.4 | 56051716 | 0 |
| 3.87.72.5 | 56051717 | 0 |
| 3.87.72.6 | 56051718 | 0 |
| 3.87.72.7 | 56051719 | 0 |
| 3.87.72.8 | 56051720 | 0 |
| 3.87.72.9 | 56051721 | 0 |
| 3.87.72.10 | 56051722 | 0 |
| 3.87.72.11 | 56051723 | 0 |
| 3.87.72.12 | 56051724 | 0 |
| 3.87.72.13 | 56051725 | 0 |
| 3.87.72.14 | 56051726 | 0 |
| 3.87.72.15 | 56051727 | 0 |
| 3.87.72.16 | 56051728 | 0 |
| 3.87.72.17 | 56051729 | 0 |
| 3.87.72.18 | 56051730 | 0 |
| 3.87.72.19 | 56051731 | 0 |
| 3.87.72.20 | 56051732 | 0 |
| 3.87.72.21 | 56051733 | 0 |
| 3.87.72.22 | 56051734 | 0 |
| 3.87.72.23 | 56051735 | 0 |
| 3.87.72.24 | 56051736 | 0 |
| 3.87.72.25 | 56051737 | 0 |
| 3.87.72.26 | 56051738 | 0 |
| 3.87.72.27 | 56051739 | 0 |
| 3.87.72.28 | 56051740 | 0 |
| 3.87.72.29 | 56051741 | 0 |
| 3.87.72.30 | 56051742 | 0 |
| 3.87.72.31 | 56051743 | 0 |
| 3.87.72.32 | 56051744 | 0 |
| 3.87.72.33 | 56051745 | 0 |
| 3.87.72.34 | 56051746 | 0 |
| 3.87.72.35 | 56051747 | 0 |
| 3.87.72.36 | 56051748 | 0 |
| 3.87.72.37 | 56051749 | 0 |
| 3.87.72.38 | 56051750 | 0 |
| 3.87.72.39 | 56051751 | 0 |
| 3.87.72.40 | 56051752 | 0 |
| 3.87.72.41 | 56051753 | 0 |
| 3.87.72.42 | 56051754 | 0 |
| 3.87.72.43 | 56051755 | 0 |
| 3.87.72.44 | 56051756 | 0 |
| 3.87.72.45 | 56051757 | 0 |
| 3.87.72.46 | 56051758 | 0 |
| 3.87.72.47 | 56051759 | 0 |
| 3.87.72.48 | 56051760 | 0 |
| 3.87.72.49 | 56051761 | 0 |
| 3.87.72.50 | 56051762 | 0 |
| 3.87.72.51 | 56051763 | 0 |
| 3.87.72.52 | 56051764 | 0 |
| 3.87.72.53 | 56051765 | 0 |
| 3.87.72.54 | 56051766 | 0 |
| 3.87.72.55 | 56051767 | 0 |
| 3.87.72.56 | 56051768 | 0 |
| 3.87.72.57 | 56051769 | 0 |
| 3.87.72.58 | 56051770 | 0 |
| 3.87.72.59 | 56051771 | 0 |
| 3.87.72.60 | 56051772 | 0 |
| 3.87.72.61 | 56051773 | 0 |
| 3.87.72.62 | 56051774 | 0 |
| 3.87.72.63 | 56051775 | 0 |
| 3.87.72.64 | 56051776 | 0 |
| 3.87.72.65 | 56051777 | 0 |
| 3.87.72.66 | 56051778 | 0 |
| 3.87.72.67 | 56051779 | 0 |
| 3.87.72.68 | 56051780 | 0 |
| 3.87.72.69 | 56051781 | 0 |
| 3.87.72.70 | 56051782 | 0 |
| 3.87.72.71 | 56051783 | 0 |
| 3.87.72.72 | 56051784 | 0 |
| 3.87.72.73 | 56051785 | 0 |
| 3.87.72.74 | 56051786 | 0 |
| 3.87.72.75 | 56051787 | 0 |
| 3.87.72.76 | 56051788 | 0 |
| 3.87.72.77 | 56051789 | 0 |
| 3.87.72.78 | 56051790 | 0 |
| 3.87.72.79 | 56051791 | 0 |
| 3.87.72.80 | 56051792 | 0 |
| 3.87.72.81 | 56051793 | 0 |
| 3.87.72.82 | 56051794 | 0 |
| 3.87.72.83 | 56051795 | 0 |
| 3.87.72.84 | 56051796 | 0 |
| 3.87.72.85 | 56051797 | 0 |