Les adresses IP débutant par 51.40.78 sont fournies par Microsoft Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 51.51.0.0/16, le bloc IP comprant les adresses de 51.51.0.0 à 51.51.255.255). Le numéro de système autonome (ASN) est 8075.
| ASN | 8075 |
| IP commençant par | 51.51.0.0 |
| IP se terminant par | 51.51.255.255 |
| Nom ASN | Microsoft Corporation |
| CDIR | 51.51.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 26/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Warrington | 52,1845 | -0,6876 | 2017-07-26 |
| MaxMind | GB | Royaume-Uni | - | - | 51,4964 | -0,1224 | 2017-07-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 51.40.78.0 | 858279424 | 0 |
| 51.40.78.1 | 858279425 | 0 |
| 51.40.78.2 | 858279426 | 0 |
| 51.40.78.3 | 858279427 | 0 |
| 51.40.78.4 | 858279428 | 0 |
| 51.40.78.5 | 858279429 | 0 |
| 51.40.78.6 | 858279430 | 0 |
| 51.40.78.7 | 858279431 | 0 |
| 51.40.78.8 | 858279432 | 0 |
| 51.40.78.9 | 858279433 | 0 |
| 51.40.78.10 | 858279434 | 0 |
| 51.40.78.11 | 858279435 | 0 |
| 51.40.78.12 | 858279436 | 0 |
| 51.40.78.13 | 858279437 | 0 |
| 51.40.78.14 | 858279438 | 0 |
| 51.40.78.15 | 858279439 | 0 |
| 51.40.78.16 | 858279440 | 0 |
| 51.40.78.17 | 858279441 | 0 |
| 51.40.78.18 | 858279442 | 0 |
| 51.40.78.19 | 858279443 | 0 |
| 51.40.78.20 | 858279444 | 0 |
| 51.40.78.21 | 858279445 | 0 |
| 51.40.78.22 | 858279446 | 0 |
| 51.40.78.23 | 858279447 | 0 |
| 51.40.78.24 | 858279448 | 0 |
| 51.40.78.25 | 858279449 | 0 |
| 51.40.78.26 | 858279450 | 0 |
| 51.40.78.27 | 858279451 | 0 |
| 51.40.78.28 | 858279452 | 0 |
| 51.40.78.29 | 858279453 | 0 |
| 51.40.78.30 | 858279454 | 0 |
| 51.40.78.31 | 858279455 | 0 |
| 51.40.78.32 | 858279456 | 0 |
| 51.40.78.33 | 858279457 | 0 |
| 51.40.78.34 | 858279458 | 0 |
| 51.40.78.35 | 858279459 | 0 |
| 51.40.78.36 | 858279460 | 0 |
| 51.40.78.37 | 858279461 | 0 |
| 51.40.78.38 | 858279462 | 0 |
| 51.40.78.39 | 858279463 | 0 |
| 51.40.78.40 | 858279464 | 0 |
| 51.40.78.41 | 858279465 | 0 |
| 51.40.78.42 | 858279466 | 0 |
| 51.40.78.43 | 858279467 | 0 |
| 51.40.78.44 | 858279468 | 0 |
| 51.40.78.45 | 858279469 | 0 |
| 51.40.78.46 | 858279470 | 0 |
| 51.40.78.47 | 858279471 | 0 |
| 51.40.78.48 | 858279472 | 0 |
| 51.40.78.49 | 858279473 | 0 |
| 51.40.78.50 | 858279474 | 0 |
| 51.40.78.51 | 858279475 | 0 |
| 51.40.78.52 | 858279476 | 0 |
| 51.40.78.53 | 858279477 | 0 |
| 51.40.78.54 | 858279478 | 0 |
| 51.40.78.55 | 858279479 | 0 |
| 51.40.78.56 | 858279480 | 0 |
| 51.40.78.57 | 858279481 | 0 |
| 51.40.78.58 | 858279482 | 0 |
| 51.40.78.59 | 858279483 | 0 |
| 51.40.78.60 | 858279484 | 0 |
| 51.40.78.61 | 858279485 | 0 |
| 51.40.78.62 | 858279486 | 0 |
| 51.40.78.63 | 858279487 | 0 |
| 51.40.78.64 | 858279488 | 0 |
| 51.40.78.65 | 858279489 | 0 |
| 51.40.78.66 | 858279490 | 0 |
| 51.40.78.67 | 858279491 | 0 |
| 51.40.78.68 | 858279492 | 0 |
| 51.40.78.69 | 858279493 | 0 |
| 51.40.78.70 | 858279494 | 0 |
| 51.40.78.71 | 858279495 | 0 |
| 51.40.78.72 | 858279496 | 0 |
| 51.40.78.73 | 858279497 | 0 |
| 51.40.78.74 | 858279498 | 0 |
| 51.40.78.75 | 858279499 | 0 |
| 51.40.78.76 | 858279500 | 0 |
| 51.40.78.77 | 858279501 | 0 |
| 51.40.78.78 | 858279502 | 0 |
| 51.40.78.79 | 858279503 | 0 |
| 51.40.78.80 | 858279504 | 0 |
| 51.40.78.81 | 858279505 | 0 |
| 51.40.78.82 | 858279506 | 0 |
| 51.40.78.83 | 858279507 | 0 |
| 51.40.78.84 | 858279508 | 0 |
| 51.40.78.85 | 858279509 | 0 |