L'indirizzo IP 204.84.21 è fornito da MCNC, che è di proprietà del CIDR (Classless Inter-Domain Routing) 204.84.0.0/15, IP tra 204.84.0.0 a 204.85.255.255 ). Il numero di sistema autonomo (ASN) è 81.
| ASN | 81 |
| IP inizia con | 204.84.0.0 |
| IP finale con | 204.85.255.255 |
| ASN Nome | MCNC |
| CDIR | 204.84.0.0/15 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 16/08/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Durham | 35,9947 | -78,8962 | 2017-08-16 |
| MaxMind | US | United States | - | Manteo | 35,8971 | -75,6826 | 2017-08-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 204.84.21.0 | 3428062464 | 0 |
| 204.84.21.1 | 3428062465 | 0 |
| 204.84.21.2 | 3428062466 | 0 |
| 204.84.21.3 | 3428062467 | 0 |
| 204.84.21.4 | 3428062468 | 0 |
| 204.84.21.5 | 3428062469 | 0 |
| 204.84.21.6 | 3428062470 | 0 |
| 204.84.21.7 | 3428062471 | 0 |
| 204.84.21.8 | 3428062472 | 0 |
| 204.84.21.9 | 3428062473 | 0 |
| 204.84.21.10 | 3428062474 | 0 |
| 204.84.21.11 | 3428062475 | 0 |
| 204.84.21.12 | 3428062476 | 0 |
| 204.84.21.13 | 3428062477 | 0 |
| 204.84.21.14 | 3428062478 | 0 |
| 204.84.21.15 | 3428062479 | 0 |
| 204.84.21.16 | 3428062480 | 0 |
| 204.84.21.17 | 3428062481 | 0 |
| 204.84.21.18 | 3428062482 | 0 |
| 204.84.21.19 | 3428062483 | 0 |
| 204.84.21.20 | 3428062484 | 0 |
| 204.84.21.21 | 3428062485 | 0 |
| 204.84.21.22 | 3428062486 | 0 |
| 204.84.21.23 | 3428062487 | 0 |
| 204.84.21.24 | 3428062488 | 0 |
| 204.84.21.25 | 3428062489 | 0 |
| 204.84.21.26 | 3428062490 | 0 |
| 204.84.21.27 | 3428062491 | 0 |
| 204.84.21.28 | 3428062492 | 0 |
| 204.84.21.29 | 3428062493 | 0 |
| 204.84.21.30 | 3428062494 | 0 |
| 204.84.21.31 | 3428062495 | 0 |
| 204.84.21.32 | 3428062496 | 0 |
| 204.84.21.33 | 3428062497 | 0 |
| 204.84.21.34 | 3428062498 | 0 |
| 204.84.21.35 | 3428062499 | 0 |
| 204.84.21.36 | 3428062500 | 0 |
| 204.84.21.37 | 3428062501 | 0 |
| 204.84.21.38 | 3428062502 | 0 |
| 204.84.21.39 | 3428062503 | 0 |
| 204.84.21.40 | 3428062504 | 0 |
| 204.84.21.41 | 3428062505 | 0 |
| 204.84.21.42 | 3428062506 | 0 |
| 204.84.21.43 | 3428062507 | 0 |
| 204.84.21.44 | 3428062508 | 0 |
| 204.84.21.45 | 3428062509 | 0 |
| 204.84.21.46 | 3428062510 | 0 |
| 204.84.21.47 | 3428062511 | 0 |
| 204.84.21.48 | 3428062512 | 0 |
| 204.84.21.49 | 3428062513 | 0 |
| 204.84.21.50 | 3428062514 | 0 |
| 204.84.21.51 | 3428062515 | 0 |
| 204.84.21.52 | 3428062516 | 0 |
| 204.84.21.53 | 3428062517 | 0 |
| 204.84.21.54 | 3428062518 | 0 |
| 204.84.21.55 | 3428062519 | 0 |
| 204.84.21.56 | 3428062520 | 0 |
| 204.84.21.57 | 3428062521 | 0 |
| 204.84.21.58 | 3428062522 | 0 |
| 204.84.21.59 | 3428062523 | 0 |
| 204.84.21.60 | 3428062524 | 0 |
| 204.84.21.61 | 3428062525 | 0 |
| 204.84.21.62 | 3428062526 | 0 |
| 204.84.21.63 | 3428062527 | 0 |
| 204.84.21.64 | 3428062528 | 0 |
| 204.84.21.65 | 3428062529 | 0 |
| 204.84.21.66 | 3428062530 | 0 |
| 204.84.21.67 | 3428062531 | 0 |
| 204.84.21.68 | 3428062532 | 0 |
| 204.84.21.69 | 3428062533 | 0 |
| 204.84.21.70 | 3428062534 | 0 |
| 204.84.21.71 | 3428062535 | 0 |
| 204.84.21.72 | 3428062536 | 0 |
| 204.84.21.73 | 3428062537 | 0 |
| 204.84.21.74 | 3428062538 | 0 |
| 204.84.21.75 | 3428062539 | 0 |
| 204.84.21.76 | 3428062540 | 0 |
| 204.84.21.77 | 3428062541 | 0 |
| 204.84.21.78 | 3428062542 | 0 |
| 204.84.21.79 | 3428062543 | 0 |
| 204.84.21.80 | 3428062544 | 0 |
| 204.84.21.81 | 3428062545 | 0 |
| 204.84.21.82 | 3428062546 | 0 |
| 204.84.21.83 | 3428062547 | 0 |
| 204.84.21.84 | 3428062548 | 0 |
| 204.84.21.85 | 3428062549 | 0 |