Les adresses IP débutant par 221.70.51 sont fournies par SoftBank BB Corp., elles appartiennent au CIDR (Classless Inter-Domain Routing) 221.64.0.0/11, le bloc IP comprant les adresses de 221.64.0.0 à 221.95.255.255). Le numéro de système autonome (ASN) est 17676.
| ASN | 17676 |
| IP commençant par | 221.64.0.0 |
| IP se terminant par | 221.95.255.255 |
| Nom ASN | SoftBank BB Corp. |
| CDIR | 221.64.0.0/11 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 04/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japan | - | Tokyo | 35,6895 | 139,6917 | 2017-08-03 |
| MaxMind | JP | Japon | - | Horinouchi | 33,8333 | 132,7667 | 2017-08-03 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 221.70.51.0 | 3712365312 | 0 |
| 221.70.51.1 | 3712365313 | 0 |
| 221.70.51.2 | 3712365314 | 0 |
| 221.70.51.3 | 3712365315 | 0 |
| 221.70.51.4 | 3712365316 | 0 |
| 221.70.51.5 | 3712365317 | 0 |
| 221.70.51.6 | 3712365318 | 0 |
| 221.70.51.7 | 3712365319 | 0 |
| 221.70.51.8 | 3712365320 | 0 |
| 221.70.51.9 | 3712365321 | 0 |
| 221.70.51.10 | 3712365322 | 0 |
| 221.70.51.11 | 3712365323 | 0 |
| 221.70.51.12 | 3712365324 | 0 |
| 221.70.51.13 | 3712365325 | 0 |
| 221.70.51.14 | 3712365326 | 0 |
| 221.70.51.15 | 3712365327 | 0 |
| 221.70.51.16 | 3712365328 | 0 |
| 221.70.51.17 | 3712365329 | 0 |
| 221.70.51.18 | 3712365330 | 0 |
| 221.70.51.19 | 3712365331 | 0 |
| 221.70.51.20 | 3712365332 | 0 |
| 221.70.51.21 | 3712365333 | 0 |
| 221.70.51.22 | 3712365334 | 0 |
| 221.70.51.23 | 3712365335 | 0 |
| 221.70.51.24 | 3712365336 | 0 |
| 221.70.51.25 | 3712365337 | 0 |
| 221.70.51.26 | 3712365338 | 0 |
| 221.70.51.27 | 3712365339 | 0 |
| 221.70.51.28 | 3712365340 | 0 |
| 221.70.51.29 | 3712365341 | 0 |
| 221.70.51.30 | 3712365342 | 0 |
| 221.70.51.31 | 3712365343 | 0 |
| 221.70.51.32 | 3712365344 | 0 |
| 221.70.51.33 | 3712365345 | 0 |
| 221.70.51.34 | 3712365346 | 0 |
| 221.70.51.35 | 3712365347 | 0 |
| 221.70.51.36 | 3712365348 | 0 |
| 221.70.51.37 | 3712365349 | 0 |
| 221.70.51.38 | 3712365350 | 0 |
| 221.70.51.39 | 3712365351 | 0 |
| 221.70.51.40 | 3712365352 | 0 |
| 221.70.51.41 | 3712365353 | 0 |
| 221.70.51.42 | 3712365354 | 0 |
| 221.70.51.43 | 3712365355 | 0 |
| 221.70.51.44 | 3712365356 | 0 |
| 221.70.51.45 | 3712365357 | 0 |
| 221.70.51.46 | 3712365358 | 0 |
| 221.70.51.47 | 3712365359 | 0 |
| 221.70.51.48 | 3712365360 | 0 |
| 221.70.51.49 | 3712365361 | 0 |
| 221.70.51.50 | 3712365362 | 0 |
| 221.70.51.51 | 3712365363 | 0 |
| 221.70.51.52 | 3712365364 | 0 |
| 221.70.51.53 | 3712365365 | 0 |
| 221.70.51.54 | 3712365366 | 0 |
| 221.70.51.55 | 3712365367 | 0 |
| 221.70.51.56 | 3712365368 | 0 |
| 221.70.51.57 | 3712365369 | 0 |
| 221.70.51.58 | 3712365370 | 0 |
| 221.70.51.59 | 3712365371 | 0 |
| 221.70.51.60 | 3712365372 | 0 |
| 221.70.51.61 | 3712365373 | 0 |
| 221.70.51.62 | 3712365374 | 0 |
| 221.70.51.63 | 3712365375 | 0 |
| 221.70.51.64 | 3712365376 | 0 |
| 221.70.51.65 | 3712365377 | 0 |
| 221.70.51.66 | 3712365378 | 0 |
| 221.70.51.67 | 3712365379 | 0 |
| 221.70.51.68 | 3712365380 | 0 |
| 221.70.51.69 | 3712365381 | 0 |
| 221.70.51.70 | 3712365382 | 0 |
| 221.70.51.71 | 3712365383 | 0 |
| 221.70.51.72 | 3712365384 | 0 |
| 221.70.51.73 | 3712365385 | 0 |
| 221.70.51.74 | 3712365386 | 0 |
| 221.70.51.75 | 3712365387 | 0 |
| 221.70.51.76 | 3712365388 | 0 |
| 221.70.51.77 | 3712365389 | 0 |
| 221.70.51.78 | 3712365390 | 0 |
| 221.70.51.79 | 3712365391 | 0 |
| 221.70.51.80 | 3712365392 | 0 |
| 221.70.51.81 | 3712365393 | 0 |
| 221.70.51.82 | 3712365394 | 0 |
| 221.70.51.83 | 3712365395 | 0 |
| 221.70.51.84 | 3712365396 | 0 |
| 221.70.51.85 | 3712365397 | 0 |