Les adresses IP débutant par 121.118.4 sont fournies par NTT Communications Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.112.0.0/13, le bloc IP comprant les adresses de 121.112.0.0 à 121.119.255.255). Le numéro de système autonome (ASN) est 4713.
| ASN | 4713 |
| IP commençant par | 121.112.0.0 |
| IP se terminant par | 121.119.255.255 |
| Nom ASN | NTT Communications Corporation |
| CDIR | 121.112.0.0/13 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 19/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Amagasaki | 34,733 | 135,4 | 2017-07-19 |
| MaxMind | JP | Japon | - | Nishinomiya | 34,7167 | 135,3333 | 2017-07-19 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.118.4.0 | 2037777408 | 0 |
| 121.118.4.1 | 2037777409 | 0 |
| 121.118.4.2 | 2037777410 | 0 |
| 121.118.4.3 | 2037777411 | 0 |
| 121.118.4.4 | 2037777412 | 0 |
| 121.118.4.5 | 2037777413 | 0 |
| 121.118.4.6 | 2037777414 | 0 |
| 121.118.4.7 | 2037777415 | 0 |
| 121.118.4.8 | 2037777416 | 0 |
| 121.118.4.9 | 2037777417 | 0 |
| 121.118.4.10 | 2037777418 | 0 |
| 121.118.4.11 | 2037777419 | 0 |
| 121.118.4.12 | 2037777420 | 0 |
| 121.118.4.13 | 2037777421 | 0 |
| 121.118.4.14 | 2037777422 | 0 |
| 121.118.4.15 | 2037777423 | 0 |
| 121.118.4.16 | 2037777424 | 0 |
| 121.118.4.17 | 2037777425 | 0 |
| 121.118.4.18 | 2037777426 | 0 |
| 121.118.4.19 | 2037777427 | 0 |
| 121.118.4.20 | 2037777428 | 0 |
| 121.118.4.21 | 2037777429 | 0 |
| 121.118.4.22 | 2037777430 | 0 |
| 121.118.4.23 | 2037777431 | 0 |
| 121.118.4.24 | 2037777432 | 0 |
| 121.118.4.25 | 2037777433 | 0 |
| 121.118.4.26 | 2037777434 | 0 |
| 121.118.4.27 | 2037777435 | 0 |
| 121.118.4.28 | 2037777436 | 0 |
| 121.118.4.29 | 2037777437 | 0 |
| 121.118.4.30 | 2037777438 | 0 |
| 121.118.4.31 | 2037777439 | 0 |
| 121.118.4.32 | 2037777440 | 0 |
| 121.118.4.33 | 2037777441 | 0 |
| 121.118.4.34 | 2037777442 | 0 |
| 121.118.4.35 | 2037777443 | 0 |
| 121.118.4.36 | 2037777444 | 0 |
| 121.118.4.37 | 2037777445 | 0 |
| 121.118.4.38 | 2037777446 | 0 |
| 121.118.4.39 | 2037777447 | 0 |
| 121.118.4.40 | 2037777448 | 0 |
| 121.118.4.41 | 2037777449 | 0 |
| 121.118.4.42 | 2037777450 | 0 |
| 121.118.4.43 | 2037777451 | 0 |
| 121.118.4.44 | 2037777452 | 0 |
| 121.118.4.45 | 2037777453 | 0 |
| 121.118.4.46 | 2037777454 | 0 |
| 121.118.4.47 | 2037777455 | 0 |
| 121.118.4.48 | 2037777456 | 0 |
| 121.118.4.49 | 2037777457 | 0 |
| 121.118.4.50 | 2037777458 | 0 |
| 121.118.4.51 | 2037777459 | 0 |
| 121.118.4.52 | 2037777460 | 0 |
| 121.118.4.53 | 2037777461 | 0 |
| 121.118.4.54 | 2037777462 | 0 |
| 121.118.4.55 | 2037777463 | 0 |
| 121.118.4.56 | 2037777464 | 0 |
| 121.118.4.57 | 2037777465 | 0 |
| 121.118.4.58 | 2037777466 | 0 |
| 121.118.4.59 | 2037777467 | 0 |
| 121.118.4.60 | 2037777468 | 0 |
| 121.118.4.61 | 2037777469 | 0 |
| 121.118.4.62 | 2037777470 | 0 |
| 121.118.4.63 | 2037777471 | 0 |
| 121.118.4.64 | 2037777472 | 0 |
| 121.118.4.65 | 2037777473 | 0 |
| 121.118.4.66 | 2037777474 | 0 |
| 121.118.4.67 | 2037777475 | 0 |
| 121.118.4.68 | 2037777476 | 0 |
| 121.118.4.69 | 2037777477 | 0 |
| 121.118.4.70 | 2037777478 | 0 |
| 121.118.4.71 | 2037777479 | 0 |
| 121.118.4.72 | 2037777480 | 0 |
| 121.118.4.73 | 2037777481 | 0 |
| 121.118.4.74 | 2037777482 | 0 |
| 121.118.4.75 | 2037777483 | 0 |
| 121.118.4.76 | 2037777484 | 0 |
| 121.118.4.77 | 2037777485 | 0 |
| 121.118.4.78 | 2037777486 | 0 |
| 121.118.4.79 | 2037777487 | 0 |
| 121.118.4.80 | 2037777488 | 0 |
| 121.118.4.81 | 2037777489 | 0 |
| 121.118.4.82 | 2037777490 | 0 |
| 121.118.4.83 | 2037777491 | 0 |
| 121.118.4.84 | 2037777492 | 0 |
| 121.118.4.85 | 2037777493 | 0 |