Les adresses IP débutant par 166.51.91 sont fournies par MCI, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.56.0.0/16, le bloc IP comprant les adresses de 166.56.0.0 à 166.56.255.255). Le numéro de système autonome (ASN) est 3371.
| ASN | 3371 |
| IP commençant par | 166.56.0.0 |
| IP se terminant par | 166.56.255.255 |
| Nom ASN | MCI |
| CDIR | 166.56.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 16/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Ashburn | 39,0341 | -77,4885 | 2017-07-16 |
| MaxMind | US | États-Unis | - | Ashburn | 39,018 | -77,539 | 2017-07-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.51.91.0 | 2788383488 | 0 |
| 166.51.91.1 | 2788383489 | 0 |
| 166.51.91.2 | 2788383490 | 0 |
| 166.51.91.3 | 2788383491 | 0 |
| 166.51.91.4 | 2788383492 | 0 |
| 166.51.91.5 | 2788383493 | 0 |
| 166.51.91.6 | 2788383494 | 0 |
| 166.51.91.7 | 2788383495 | 0 |
| 166.51.91.8 | 2788383496 | 0 |
| 166.51.91.9 | 2788383497 | 0 |
| 166.51.91.10 | 2788383498 | 0 |
| 166.51.91.11 | 2788383499 | 0 |
| 166.51.91.12 | 2788383500 | 0 |
| 166.51.91.13 | 2788383501 | 0 |
| 166.51.91.14 | 2788383502 | 0 |
| 166.51.91.15 | 2788383503 | 0 |
| 166.51.91.16 | 2788383504 | 0 |
| 166.51.91.17 | 2788383505 | 0 |
| 166.51.91.18 | 2788383506 | 0 |
| 166.51.91.19 | 2788383507 | 0 |
| 166.51.91.20 | 2788383508 | 0 |
| 166.51.91.21 | 2788383509 | 0 |
| 166.51.91.22 | 2788383510 | 0 |
| 166.51.91.23 | 2788383511 | 0 |
| 166.51.91.24 | 2788383512 | 0 |
| 166.51.91.25 | 2788383513 | 0 |
| 166.51.91.26 | 2788383514 | 0 |
| 166.51.91.27 | 2788383515 | 0 |
| 166.51.91.28 | 2788383516 | 0 |
| 166.51.91.29 | 2788383517 | 0 |
| 166.51.91.30 | 2788383518 | 0 |
| 166.51.91.31 | 2788383519 | 0 |
| 166.51.91.32 | 2788383520 | 0 |
| 166.51.91.33 | 2788383521 | 0 |
| 166.51.91.34 | 2788383522 | 0 |
| 166.51.91.35 | 2788383523 | 0 |
| 166.51.91.36 | 2788383524 | 0 |
| 166.51.91.37 | 2788383525 | 0 |
| 166.51.91.38 | 2788383526 | 0 |
| 166.51.91.39 | 2788383527 | 0 |
| 166.51.91.40 | 2788383528 | 0 |
| 166.51.91.41 | 2788383529 | 0 |
| 166.51.91.42 | 2788383530 | 0 |
| 166.51.91.43 | 2788383531 | 0 |
| 166.51.91.44 | 2788383532 | 0 |
| 166.51.91.45 | 2788383533 | 0 |
| 166.51.91.46 | 2788383534 | 0 |
| 166.51.91.47 | 2788383535 | 0 |
| 166.51.91.48 | 2788383536 | 0 |
| 166.51.91.49 | 2788383537 | 0 |
| 166.51.91.50 | 2788383538 | 0 |
| 166.51.91.51 | 2788383539 | 0 |
| 166.51.91.52 | 2788383540 | 0 |
| 166.51.91.53 | 2788383541 | 0 |
| 166.51.91.54 | 2788383542 | 0 |
| 166.51.91.55 | 2788383543 | 0 |
| 166.51.91.56 | 2788383544 | 0 |
| 166.51.91.57 | 2788383545 | 0 |
| 166.51.91.58 | 2788383546 | 0 |
| 166.51.91.59 | 2788383547 | 0 |
| 166.51.91.60 | 2788383548 | 0 |
| 166.51.91.61 | 2788383549 | 0 |
| 166.51.91.62 | 2788383550 | 0 |
| 166.51.91.63 | 2788383551 | 0 |
| 166.51.91.64 | 2788383552 | 0 |
| 166.51.91.65 | 2788383553 | 0 |
| 166.51.91.66 | 2788383554 | 0 |
| 166.51.91.67 | 2788383555 | 0 |
| 166.51.91.68 | 2788383556 | 0 |
| 166.51.91.69 | 2788383557 | 0 |
| 166.51.91.70 | 2788383558 | 0 |
| 166.51.91.71 | 2788383559 | 0 |
| 166.51.91.72 | 2788383560 | 0 |
| 166.51.91.73 | 2788383561 | 0 |
| 166.51.91.74 | 2788383562 | 0 |
| 166.51.91.75 | 2788383563 | 0 |
| 166.51.91.76 | 2788383564 | 0 |
| 166.51.91.77 | 2788383565 | 0 |
| 166.51.91.78 | 2788383566 | 0 |
| 166.51.91.79 | 2788383567 | 0 |
| 166.51.91.80 | 2788383568 | 0 |
| 166.51.91.81 | 2788383569 | 0 |
| 166.51.91.82 | 2788383570 | 0 |
| 166.51.91.83 | 2788383571 | 0 |
| 166.51.91.84 | 2788383572 | 0 |
| 166.51.91.85 | 2788383573 | 0 |