Les adresses IP débutant par 51.87.19 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 | 20/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | London | 51,5085 | -0,1257 | 2019-12-02 |
| MaxMind | GB | Royaume-Uni | - | - | 51,4964 | -0,1224 | 2019-12-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 51.87.19.0 | 861344512 | 0 |
| 51.87.19.1 | 861344513 | 0 |
| 51.87.19.2 | 861344514 | 0 |
| 51.87.19.3 | 861344515 | 0 |
| 51.87.19.4 | 861344516 | 0 |
| 51.87.19.5 | 861344517 | 0 |
| 51.87.19.6 | 861344518 | 0 |
| 51.87.19.7 | 861344519 | 0 |
| 51.87.19.8 | 861344520 | 0 |
| 51.87.19.9 | 861344521 | 0 |
| 51.87.19.10 | 861344522 | 0 |
| 51.87.19.11 | 861344523 | 0 |
| 51.87.19.12 | 861344524 | 0 |
| 51.87.19.13 | 861344525 | 0 |
| 51.87.19.14 | 861344526 | 0 |
| 51.87.19.15 | 861344527 | 0 |
| 51.87.19.16 | 861344528 | 0 |
| 51.87.19.17 | 861344529 | 0 |
| 51.87.19.18 | 861344530 | 0 |
| 51.87.19.19 | 861344531 | 0 |
| 51.87.19.20 | 861344532 | 0 |
| 51.87.19.21 | 861344533 | 0 |
| 51.87.19.22 | 861344534 | 0 |
| 51.87.19.23 | 861344535 | 0 |
| 51.87.19.24 | 861344536 | 0 |
| 51.87.19.25 | 861344537 | 0 |
| 51.87.19.26 | 861344538 | 0 |
| 51.87.19.27 | 861344539 | 0 |
| 51.87.19.28 | 861344540 | 0 |
| 51.87.19.29 | 861344541 | 0 |
| 51.87.19.30 | 861344542 | 0 |
| 51.87.19.31 | 861344543 | 0 |
| 51.87.19.32 | 861344544 | 0 |
| 51.87.19.33 | 861344545 | 0 |
| 51.87.19.34 | 861344546 | 0 |
| 51.87.19.35 | 861344547 | 0 |
| 51.87.19.36 | 861344548 | 0 |
| 51.87.19.37 | 861344549 | 0 |
| 51.87.19.38 | 861344550 | 0 |
| 51.87.19.39 | 861344551 | 0 |
| 51.87.19.40 | 861344552 | 0 |
| 51.87.19.41 | 861344553 | 0 |
| 51.87.19.42 | 861344554 | 0 |
| 51.87.19.43 | 861344555 | 0 |
| 51.87.19.44 | 861344556 | 0 |
| 51.87.19.45 | 861344557 | 0 |
| 51.87.19.46 | 861344558 | 0 |
| 51.87.19.47 | 861344559 | 0 |
| 51.87.19.48 | 861344560 | 0 |
| 51.87.19.49 | 861344561 | 0 |
| 51.87.19.50 | 861344562 | 0 |
| 51.87.19.51 | 861344563 | 0 |
| 51.87.19.52 | 861344564 | 0 |
| 51.87.19.53 | 861344565 | 0 |
| 51.87.19.54 | 861344566 | 0 |
| 51.87.19.55 | 861344567 | 0 |
| 51.87.19.56 | 861344568 | 0 |
| 51.87.19.57 | 861344569 | 0 |
| 51.87.19.58 | 861344570 | 0 |
| 51.87.19.59 | 861344571 | 0 |
| 51.87.19.60 | 861344572 | 0 |
| 51.87.19.61 | 861344573 | 0 |
| 51.87.19.62 | 861344574 | 0 |
| 51.87.19.63 | 861344575 | 0 |
| 51.87.19.64 | 861344576 | 0 |
| 51.87.19.65 | 861344577 | 0 |
| 51.87.19.66 | 861344578 | 0 |
| 51.87.19.67 | 861344579 | 0 |
| 51.87.19.68 | 861344580 | 0 |
| 51.87.19.69 | 861344581 | 0 |
| 51.87.19.70 | 861344582 | 0 |
| 51.87.19.71 | 861344583 | 0 |
| 51.87.19.72 | 861344584 | 0 |
| 51.87.19.73 | 861344585 | 0 |
| 51.87.19.74 | 861344586 | 0 |
| 51.87.19.75 | 861344587 | 0 |
| 51.87.19.76 | 861344588 | 0 |
| 51.87.19.77 | 861344589 | 0 |
| 51.87.19.78 | 861344590 | 0 |
| 51.87.19.79 | 861344591 | 0 |
| 51.87.19.80 | 861344592 | 0 |
| 51.87.19.81 | 861344593 | 0 |
| 51.87.19.82 | 861344594 | 0 |
| 51.87.19.83 | 861344595 | 0 |
| 51.87.19.84 | 861344596 | 0 |
| 51.87.19.85 | 861344597 | 0 |