Les adresses IP débutant par 221.63.31 sont fournies par SoftBank BB Corp., elles appartiennent au CIDR (Classless Inter-Domain Routing) 221.32.0.0/11, le bloc IP comprant les adresses de 221.32.0.0 à 221.63.255.255). Le numéro de système autonome (ASN) est 17676.
| ASN | 17676 |
| IP commençant par | 221.32.0.0 |
| IP se terminant par | 221.63.255.255 |
| Nom ASN | SoftBank BB Corp. |
| CDIR | 221.32.0.0/11 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 14/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Yamaguchi | 34,183 | 131,467 | 2017-07-03 |
| MaxMind | JP | Japon | - | Nagato | 34,3833 | 131,2 | 2017-07-03 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 221.63.31.0 | 3711901440 | 0 |
| 221.63.31.1 | 3711901441 | 0 |
| 221.63.31.2 | 3711901442 | 0 |
| 221.63.31.3 | 3711901443 | 0 |
| 221.63.31.4 | 3711901444 | 0 |
| 221.63.31.5 | 3711901445 | 0 |
| 221.63.31.6 | 3711901446 | 0 |
| 221.63.31.7 | 3711901447 | 0 |
| 221.63.31.8 | 3711901448 | 0 |
| 221.63.31.9 | 3711901449 | 0 |
| 221.63.31.10 | 3711901450 | 0 |
| 221.63.31.11 | 3711901451 | 0 |
| 221.63.31.12 | 3711901452 | 0 |
| 221.63.31.13 | 3711901453 | 0 |
| 221.63.31.14 | 3711901454 | 0 |
| 221.63.31.15 | 3711901455 | 0 |
| 221.63.31.16 | 3711901456 | 0 |
| 221.63.31.17 | 3711901457 | 0 |
| 221.63.31.18 | 3711901458 | 0 |
| 221.63.31.19 | 3711901459 | 0 |
| 221.63.31.20 | 3711901460 | 0 |
| 221.63.31.21 | 3711901461 | 0 |
| 221.63.31.22 | 3711901462 | 0 |
| 221.63.31.23 | 3711901463 | 0 |
| 221.63.31.24 | 3711901464 | 0 |
| 221.63.31.25 | 3711901465 | 0 |
| 221.63.31.26 | 3711901466 | 0 |
| 221.63.31.27 | 3711901467 | 0 |
| 221.63.31.28 | 3711901468 | 0 |
| 221.63.31.29 | 3711901469 | 0 |
| 221.63.31.30 | 3711901470 | 0 |
| 221.63.31.31 | 3711901471 | 0 |
| 221.63.31.32 | 3711901472 | 0 |
| 221.63.31.33 | 3711901473 | 0 |
| 221.63.31.34 | 3711901474 | 0 |
| 221.63.31.35 | 3711901475 | 0 |
| 221.63.31.36 | 3711901476 | 0 |
| 221.63.31.37 | 3711901477 | 0 |
| 221.63.31.38 | 3711901478 | 0 |
| 221.63.31.39 | 3711901479 | 0 |
| 221.63.31.40 | 3711901480 | 0 |
| 221.63.31.41 | 3711901481 | 0 |
| 221.63.31.42 | 3711901482 | 0 |
| 221.63.31.43 | 3711901483 | 0 |
| 221.63.31.44 | 3711901484 | 0 |
| 221.63.31.45 | 3711901485 | 0 |
| 221.63.31.46 | 3711901486 | 0 |
| 221.63.31.47 | 3711901487 | 0 |
| 221.63.31.48 | 3711901488 | 0 |
| 221.63.31.49 | 3711901489 | 0 |
| 221.63.31.50 | 3711901490 | 0 |
| 221.63.31.51 | 3711901491 | 0 |
| 221.63.31.52 | 3711901492 | 0 |
| 221.63.31.53 | 3711901493 | 0 |
| 221.63.31.54 | 3711901494 | 0 |
| 221.63.31.55 | 3711901495 | 0 |
| 221.63.31.56 | 3711901496 | 0 |
| 221.63.31.57 | 3711901497 | 0 |
| 221.63.31.58 | 3711901498 | 0 |
| 221.63.31.59 | 3711901499 | 0 |
| 221.63.31.60 | 3711901500 | 0 |
| 221.63.31.61 | 3711901501 | 0 |
| 221.63.31.62 | 3711901502 | 0 |
| 221.63.31.63 | 3711901503 | 0 |
| 221.63.31.64 | 3711901504 | 0 |
| 221.63.31.65 | 3711901505 | 0 |
| 221.63.31.66 | 3711901506 | 0 |
| 221.63.31.67 | 3711901507 | 0 |
| 221.63.31.68 | 3711901508 | 0 |
| 221.63.31.69 | 3711901509 | 0 |
| 221.63.31.70 | 3711901510 | 0 |
| 221.63.31.71 | 3711901511 | 0 |
| 221.63.31.72 | 3711901512 | 0 |
| 221.63.31.73 | 3711901513 | 0 |
| 221.63.31.74 | 3711901514 | 0 |
| 221.63.31.75 | 3711901515 | 0 |
| 221.63.31.76 | 3711901516 | 0 |
| 221.63.31.77 | 3711901517 | 0 |
| 221.63.31.78 | 3711901518 | 0 |
| 221.63.31.79 | 3711901519 | 0 |
| 221.63.31.80 | 3711901520 | 0 |
| 221.63.31.81 | 3711901521 | 0 |
| 221.63.31.82 | 3711901522 | 0 |
| 221.63.31.83 | 3711901523 | 0 |
| 221.63.31.84 | 3711901524 | 0 |
| 221.63.31.85 | 3711901525 | 0 |