L'indirizzo IP 3.87.91 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 | 01/10/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Fairfield | 41,2184 | -73,2517 | 2017-10-01 |
| MaxMind | US | United States | - | Fairfield | 41,1412 | -73,2637 | 2017-10-01 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 3.87.91.0 | 56056576 | 0 |
| 3.87.91.1 | 56056577 | 0 |
| 3.87.91.2 | 56056578 | 0 |
| 3.87.91.3 | 56056579 | 0 |
| 3.87.91.4 | 56056580 | 0 |
| 3.87.91.5 | 56056581 | 0 |
| 3.87.91.6 | 56056582 | 0 |
| 3.87.91.7 | 56056583 | 0 |
| 3.87.91.8 | 56056584 | 0 |
| 3.87.91.9 | 56056585 | 0 |
| 3.87.91.10 | 56056586 | 0 |
| 3.87.91.11 | 56056587 | 0 |
| 3.87.91.12 | 56056588 | 0 |
| 3.87.91.13 | 56056589 | 0 |
| 3.87.91.14 | 56056590 | 0 |
| 3.87.91.15 | 56056591 | 0 |
| 3.87.91.16 | 56056592 | 0 |
| 3.87.91.17 | 56056593 | 0 |
| 3.87.91.18 | 56056594 | 0 |
| 3.87.91.19 | 56056595 | 0 |
| 3.87.91.20 | 56056596 | 0 |
| 3.87.91.21 | 56056597 | 0 |
| 3.87.91.22 | 56056598 | 0 |
| 3.87.91.23 | 56056599 | 0 |
| 3.87.91.24 | 56056600 | 0 |
| 3.87.91.25 | 56056601 | 0 |
| 3.87.91.26 | 56056602 | 0 |
| 3.87.91.27 | 56056603 | 0 |
| 3.87.91.28 | 56056604 | 0 |
| 3.87.91.29 | 56056605 | 0 |
| 3.87.91.30 | 56056606 | 0 |
| 3.87.91.31 | 56056607 | 0 |
| 3.87.91.32 | 56056608 | 0 |
| 3.87.91.33 | 56056609 | 0 |
| 3.87.91.34 | 56056610 | 0 |
| 3.87.91.35 | 56056611 | 0 |
| 3.87.91.36 | 56056612 | 0 |
| 3.87.91.37 | 56056613 | 0 |
| 3.87.91.38 | 56056614 | 0 |
| 3.87.91.39 | 56056615 | 0 |
| 3.87.91.40 | 56056616 | 0 |
| 3.87.91.41 | 56056617 | 0 |
| 3.87.91.42 | 56056618 | 0 |
| 3.87.91.43 | 56056619 | 0 |
| 3.87.91.44 | 56056620 | 0 |
| 3.87.91.45 | 56056621 | 0 |
| 3.87.91.46 | 56056622 | 0 |
| 3.87.91.47 | 56056623 | 0 |
| 3.87.91.48 | 56056624 | 0 |
| 3.87.91.49 | 56056625 | 0 |
| 3.87.91.50 | 56056626 | 0 |
| 3.87.91.51 | 56056627 | 0 |
| 3.87.91.52 | 56056628 | 0 |
| 3.87.91.53 | 56056629 | 0 |
| 3.87.91.54 | 56056630 | 0 |
| 3.87.91.55 | 56056631 | 0 |
| 3.87.91.56 | 56056632 | 0 |
| 3.87.91.57 | 56056633 | 0 |
| 3.87.91.58 | 56056634 | 0 |
| 3.87.91.59 | 56056635 | 0 |
| 3.87.91.60 | 56056636 | 0 |
| 3.87.91.61 | 56056637 | 0 |
| 3.87.91.62 | 56056638 | 0 |
| 3.87.91.63 | 56056639 | 0 |
| 3.87.91.64 | 56056640 | 0 |
| 3.87.91.65 | 56056641 | 0 |
| 3.87.91.66 | 56056642 | 0 |
| 3.87.91.67 | 56056643 | 0 |
| 3.87.91.68 | 56056644 | 0 |
| 3.87.91.69 | 56056645 | 0 |
| 3.87.91.70 | 56056646 | 0 |
| 3.87.91.71 | 56056647 | 0 |
| 3.87.91.72 | 56056648 | 0 |
| 3.87.91.73 | 56056649 | 0 |
| 3.87.91.74 | 56056650 | 0 |
| 3.87.91.75 | 56056651 | 0 |
| 3.87.91.76 | 56056652 | 0 |
| 3.87.91.77 | 56056653 | 0 |
| 3.87.91.78 | 56056654 | 0 |
| 3.87.91.79 | 56056655 | 0 |
| 3.87.91.80 | 56056656 | 0 |
| 3.87.91.81 | 56056657 | 0 |
| 3.87.91.82 | 56056658 | 0 |
| 3.87.91.83 | 56056659 | 0 |
| 3.87.91.84 | 56056660 | 0 |
| 3.87.91.85 | 56056661 | 0 |