L'indirizzo IP 51.30.21 è fornito da Microsoft Corporation, che è di proprietà del CIDR (Classless Inter-Domain Routing) 51.18.0.0/16, IP tra 51.18.0.0 a 51.18.255.255 ). Il numero di sistema autonomo (ASN) è 8075.
| ASN | 8075 |
| IP inizia con | 51.18.0.0 |
| IP finale con | 51.18.255.255 |
| ASN Nome | Microsoft Corporation |
| CDIR | 51.18.0.0/16 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 06/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Warrington | 52,1845 | -0,6876 | 2017-07-06 |
| MaxMind | GB | United Kingdom | - | - | 51,4964 | -0,1224 | 2017-07-06 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 51.30.21.0 | 857609472 | 0 |
| 51.30.21.1 | 857609473 | 0 |
| 51.30.21.2 | 857609474 | 0 |
| 51.30.21.3 | 857609475 | 0 |
| 51.30.21.4 | 857609476 | 0 |
| 51.30.21.5 | 857609477 | 0 |
| 51.30.21.6 | 857609478 | 0 |
| 51.30.21.7 | 857609479 | 0 |
| 51.30.21.8 | 857609480 | 0 |
| 51.30.21.9 | 857609481 | 0 |
| 51.30.21.10 | 857609482 | 0 |
| 51.30.21.11 | 857609483 | 0 |
| 51.30.21.12 | 857609484 | 0 |
| 51.30.21.13 | 857609485 | 0 |
| 51.30.21.14 | 857609486 | 0 |
| 51.30.21.15 | 857609487 | 0 |
| 51.30.21.16 | 857609488 | 0 |
| 51.30.21.17 | 857609489 | 0 |
| 51.30.21.18 | 857609490 | 0 |
| 51.30.21.19 | 857609491 | 0 |
| 51.30.21.20 | 857609492 | 0 |
| 51.30.21.21 | 857609493 | 0 |
| 51.30.21.22 | 857609494 | 0 |
| 51.30.21.23 | 857609495 | 0 |
| 51.30.21.24 | 857609496 | 0 |
| 51.30.21.25 | 857609497 | 0 |
| 51.30.21.26 | 857609498 | 0 |
| 51.30.21.27 | 857609499 | 0 |
| 51.30.21.28 | 857609500 | 0 |
| 51.30.21.29 | 857609501 | 0 |
| 51.30.21.30 | 857609502 | 0 |
| 51.30.21.31 | 857609503 | 0 |
| 51.30.21.32 | 857609504 | 0 |
| 51.30.21.33 | 857609505 | 0 |
| 51.30.21.34 | 857609506 | 0 |
| 51.30.21.35 | 857609507 | 0 |
| 51.30.21.36 | 857609508 | 0 |
| 51.30.21.37 | 857609509 | 0 |
| 51.30.21.38 | 857609510 | 0 |
| 51.30.21.39 | 857609511 | 0 |
| 51.30.21.40 | 857609512 | 0 |
| 51.30.21.41 | 857609513 | 0 |
| 51.30.21.42 | 857609514 | 0 |
| 51.30.21.43 | 857609515 | 0 |
| 51.30.21.44 | 857609516 | 0 |
| 51.30.21.45 | 857609517 | 0 |
| 51.30.21.46 | 857609518 | 0 |
| 51.30.21.47 | 857609519 | 0 |
| 51.30.21.48 | 857609520 | 0 |
| 51.30.21.49 | 857609521 | 0 |
| 51.30.21.50 | 857609522 | 0 |
| 51.30.21.51 | 857609523 | 0 |
| 51.30.21.52 | 857609524 | 0 |
| 51.30.21.53 | 857609525 | 0 |
| 51.30.21.54 | 857609526 | 0 |
| 51.30.21.55 | 857609527 | 0 |
| 51.30.21.56 | 857609528 | 0 |
| 51.30.21.57 | 857609529 | 0 |
| 51.30.21.58 | 857609530 | 0 |
| 51.30.21.59 | 857609531 | 0 |
| 51.30.21.60 | 857609532 | 0 |
| 51.30.21.61 | 857609533 | 0 |
| 51.30.21.62 | 857609534 | 0 |
| 51.30.21.63 | 857609535 | 0 |
| 51.30.21.64 | 857609536 | 0 |
| 51.30.21.65 | 857609537 | 0 |
| 51.30.21.66 | 857609538 | 0 |
| 51.30.21.67 | 857609539 | 0 |
| 51.30.21.68 | 857609540 | 0 |
| 51.30.21.69 | 857609541 | 0 |
| 51.30.21.70 | 857609542 | 0 |
| 51.30.21.71 | 857609543 | 0 |
| 51.30.21.72 | 857609544 | 0 |
| 51.30.21.73 | 857609545 | 0 |
| 51.30.21.74 | 857609546 | 0 |
| 51.30.21.75 | 857609547 | 0 |
| 51.30.21.76 | 857609548 | 0 |
| 51.30.21.77 | 857609549 | 0 |
| 51.30.21.78 | 857609550 | 0 |
| 51.30.21.79 | 857609551 | 0 |
| 51.30.21.80 | 857609552 | 0 |
| 51.30.21.81 | 857609553 | 0 |
| 51.30.21.82 | 857609554 | 0 |
| 51.30.21.83 | 857609555 | 0 |
| 51.30.21.84 | 857609556 | 0 |
| 51.30.21.85 | 857609557 | 0 |