Les adresses IP débutant par 51.55.20 sont fournies par Microsoft Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 51.103.0.0/16, le bloc IP comprant les adresses de 51.103.0.0 à 51.103.255.255). Le numéro de système autonome (ASN) est 8075.
| ASN | 8075 |
| IP commençant par | 51.103.0.0 |
| IP se terminant par | 51.103.255.255 |
| Nom ASN | Microsoft Corporation |
| CDIR | 51.103.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 05/11/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Warrington | 52,1845 | -0,6876 | 2017-11-05 |
| MaxMind | GB | Royaume-Uni | - | - | 51,4964 | -0,1224 | 2017-11-05 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 51.55.20.0 | 859247616 | 0 |
| 51.55.20.1 | 859247617 | 0 |
| 51.55.20.2 | 859247618 | 0 |
| 51.55.20.3 | 859247619 | 0 |
| 51.55.20.4 | 859247620 | 0 |
| 51.55.20.5 | 859247621 | 0 |
| 51.55.20.6 | 859247622 | 0 |
| 51.55.20.7 | 859247623 | 0 |
| 51.55.20.8 | 859247624 | 0 |
| 51.55.20.9 | 859247625 | 0 |
| 51.55.20.10 | 859247626 | 0 |
| 51.55.20.11 | 859247627 | 0 |
| 51.55.20.12 | 859247628 | 0 |
| 51.55.20.13 | 859247629 | 0 |
| 51.55.20.14 | 859247630 | 0 |
| 51.55.20.15 | 859247631 | 0 |
| 51.55.20.16 | 859247632 | 0 |
| 51.55.20.17 | 859247633 | 0 |
| 51.55.20.18 | 859247634 | 0 |
| 51.55.20.19 | 859247635 | 0 |
| 51.55.20.20 | 859247636 | 0 |
| 51.55.20.21 | 859247637 | 0 |
| 51.55.20.22 | 859247638 | 0 |
| 51.55.20.23 | 859247639 | 0 |
| 51.55.20.24 | 859247640 | 0 |
| 51.55.20.25 | 859247641 | 0 |
| 51.55.20.26 | 859247642 | 0 |
| 51.55.20.27 | 859247643 | 0 |
| 51.55.20.28 | 859247644 | 0 |
| 51.55.20.29 | 859247645 | 0 |
| 51.55.20.30 | 859247646 | 0 |
| 51.55.20.31 | 859247647 | 0 |
| 51.55.20.32 | 859247648 | 0 |
| 51.55.20.33 | 859247649 | 0 |
| 51.55.20.34 | 859247650 | 0 |
| 51.55.20.35 | 859247651 | 0 |
| 51.55.20.36 | 859247652 | 0 |
| 51.55.20.37 | 859247653 | 0 |
| 51.55.20.38 | 859247654 | 0 |
| 51.55.20.39 | 859247655 | 0 |
| 51.55.20.40 | 859247656 | 0 |
| 51.55.20.41 | 859247657 | 0 |
| 51.55.20.42 | 859247658 | 0 |
| 51.55.20.43 | 859247659 | 0 |
| 51.55.20.44 | 859247660 | 0 |
| 51.55.20.45 | 859247661 | 0 |
| 51.55.20.46 | 859247662 | 0 |
| 51.55.20.47 | 859247663 | 0 |
| 51.55.20.48 | 859247664 | 0 |
| 51.55.20.49 | 859247665 | 0 |
| 51.55.20.50 | 859247666 | 0 |
| 51.55.20.51 | 859247667 | 0 |
| 51.55.20.52 | 859247668 | 0 |
| 51.55.20.53 | 859247669 | 0 |
| 51.55.20.54 | 859247670 | 0 |
| 51.55.20.55 | 859247671 | 0 |
| 51.55.20.56 | 859247672 | 0 |
| 51.55.20.57 | 859247673 | 0 |
| 51.55.20.58 | 859247674 | 0 |
| 51.55.20.59 | 859247675 | 0 |
| 51.55.20.60 | 859247676 | 0 |
| 51.55.20.61 | 859247677 | 0 |
| 51.55.20.62 | 859247678 | 0 |
| 51.55.20.63 | 859247679 | 0 |
| 51.55.20.64 | 859247680 | 0 |
| 51.55.20.65 | 859247681 | 0 |
| 51.55.20.66 | 859247682 | 0 |
| 51.55.20.67 | 859247683 | 0 |
| 51.55.20.68 | 859247684 | 0 |
| 51.55.20.69 | 859247685 | 0 |
| 51.55.20.70 | 859247686 | 0 |
| 51.55.20.71 | 859247687 | 0 |
| 51.55.20.72 | 859247688 | 0 |
| 51.55.20.73 | 859247689 | 0 |
| 51.55.20.74 | 859247690 | 0 |
| 51.55.20.75 | 859247691 | 0 |
| 51.55.20.76 | 859247692 | 0 |
| 51.55.20.77 | 859247693 | 0 |
| 51.55.20.78 | 859247694 | 0 |
| 51.55.20.79 | 859247695 | 0 |
| 51.55.20.80 | 859247696 | 0 |
| 51.55.20.81 | 859247697 | 0 |
| 51.55.20.82 | 859247698 | 0 |
| 51.55.20.83 | 859247699 | 0 |
| 51.55.20.84 | 859247700 | 0 |
| 51.55.20.85 | 859247701 | 0 |