Les adresses IP débutant par 55.0.221 sont fournies par DoD Network Information Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 55.0.0.0/8, le bloc IP comprant les adresses de 55.0.0.0 à 55.255.255.255). Le numéro de système autonome (ASN) est 721.
| ASN | 721 |
| IP commençant par | 55.0.0.0 |
| IP se terminant par | 55.255.255.255 |
| Nom ASN | DoD Network Information Center |
| CDIR | 55.0.0.0/8 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 23/11/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Fort Huachuca | 31,5565 | -110,3506 | 2017-11-22 |
| MaxMind | US | États-Unis | - | Fort Huachuca | 31,5273 | -110,3607 | 2017-11-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 55.0.221.0 | 922803456 | 0 |
| 55.0.221.1 | 922803457 | 0 |
| 55.0.221.2 | 922803458 | 0 |
| 55.0.221.3 | 922803459 | 0 |
| 55.0.221.4 | 922803460 | 0 |
| 55.0.221.5 | 922803461 | 0 |
| 55.0.221.6 | 922803462 | 0 |
| 55.0.221.7 | 922803463 | 0 |
| 55.0.221.8 | 922803464 | 0 |
| 55.0.221.9 | 922803465 | 0 |
| 55.0.221.10 | 922803466 | 0 |
| 55.0.221.11 | 922803467 | 0 |
| 55.0.221.12 | 922803468 | 0 |
| 55.0.221.13 | 922803469 | 0 |
| 55.0.221.14 | 922803470 | 0 |
| 55.0.221.15 | 922803471 | 0 |
| 55.0.221.16 | 922803472 | 0 |
| 55.0.221.17 | 922803473 | 0 |
| 55.0.221.18 | 922803474 | 0 |
| 55.0.221.19 | 922803475 | 0 |
| 55.0.221.20 | 922803476 | 0 |
| 55.0.221.21 | 922803477 | 0 |
| 55.0.221.22 | 922803478 | 0 |
| 55.0.221.23 | 922803479 | 0 |
| 55.0.221.24 | 922803480 | 0 |
| 55.0.221.25 | 922803481 | 0 |
| 55.0.221.26 | 922803482 | 0 |
| 55.0.221.27 | 922803483 | 0 |
| 55.0.221.28 | 922803484 | 0 |
| 55.0.221.29 | 922803485 | 0 |
| 55.0.221.30 | 922803486 | 0 |
| 55.0.221.31 | 922803487 | 0 |
| 55.0.221.32 | 922803488 | 0 |
| 55.0.221.33 | 922803489 | 0 |
| 55.0.221.34 | 922803490 | 0 |
| 55.0.221.35 | 922803491 | 0 |
| 55.0.221.36 | 922803492 | 0 |
| 55.0.221.37 | 922803493 | 0 |
| 55.0.221.38 | 922803494 | 0 |
| 55.0.221.39 | 922803495 | 0 |
| 55.0.221.40 | 922803496 | 0 |
| 55.0.221.41 | 922803497 | 0 |
| 55.0.221.42 | 922803498 | 0 |
| 55.0.221.43 | 922803499 | 0 |
| 55.0.221.44 | 922803500 | 0 |
| 55.0.221.45 | 922803501 | 0 |
| 55.0.221.46 | 922803502 | 0 |
| 55.0.221.47 | 922803503 | 0 |
| 55.0.221.48 | 922803504 | 0 |
| 55.0.221.49 | 922803505 | 0 |
| 55.0.221.50 | 922803506 | 0 |
| 55.0.221.51 | 922803507 | 0 |
| 55.0.221.52 | 922803508 | 0 |
| 55.0.221.53 | 922803509 | 0 |
| 55.0.221.54 | 922803510 | 0 |
| 55.0.221.55 | 922803511 | 0 |
| 55.0.221.56 | 922803512 | 0 |
| 55.0.221.57 | 922803513 | 0 |
| 55.0.221.58 | 922803514 | 0 |
| 55.0.221.59 | 922803515 | 0 |
| 55.0.221.60 | 922803516 | 0 |
| 55.0.221.61 | 922803517 | 0 |
| 55.0.221.62 | 922803518 | 0 |
| 55.0.221.63 | 922803519 | 0 |
| 55.0.221.64 | 922803520 | 0 |
| 55.0.221.65 | 922803521 | 0 |
| 55.0.221.66 | 922803522 | 0 |
| 55.0.221.67 | 922803523 | 0 |
| 55.0.221.68 | 922803524 | 0 |
| 55.0.221.69 | 922803525 | 0 |
| 55.0.221.70 | 922803526 | 0 |
| 55.0.221.71 | 922803527 | 0 |
| 55.0.221.72 | 922803528 | 0 |
| 55.0.221.73 | 922803529 | 0 |
| 55.0.221.74 | 922803530 | 0 |
| 55.0.221.75 | 922803531 | 0 |
| 55.0.221.76 | 922803532 | 0 |
| 55.0.221.77 | 922803533 | 0 |
| 55.0.221.78 | 922803534 | 0 |
| 55.0.221.79 | 922803535 | 0 |
| 55.0.221.80 | 922803536 | 0 |
| 55.0.221.81 | 922803537 | 0 |
| 55.0.221.82 | 922803538 | 0 |
| 55.0.221.83 | 922803539 | 0 |
| 55.0.221.84 | 922803540 | 0 |
| 55.0.221.85 | 922803541 | 0 |