Les adresses IP débutant par 121.3.167 sont fournies par So-net Entertainment Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.2.0.0/15, le bloc IP comprant les adresses de 121.2.0.0 à 121.3.255.255). Le numéro de système autonome (ASN) est 2527.
| ASN | 2527 |
| IP commençant par | 121.2.0.0 |
| IP se terminant par | 121.3.255.255 |
| Nom ASN | So-net Entertainment Corporation |
| CDIR | 121.2.0.0/15 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 21/08/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Hamamatsu | 34,7108 | 137,7261 | 2018-08-20 |
| MaxMind | JP | Japon | - | Hamamatsu | 34,7 | 137,7333 | 2018-08-20 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.3.167.0 | 2030282496 | 0 |
| 121.3.167.1 | 2030282497 | 0 |
| 121.3.167.2 | 2030282498 | 0 |
| 121.3.167.3 | 2030282499 | 0 |
| 121.3.167.4 | 2030282500 | 0 |
| 121.3.167.5 | 2030282501 | 0 |
| 121.3.167.6 | 2030282502 | 0 |
| 121.3.167.7 | 2030282503 | 0 |
| 121.3.167.8 | 2030282504 | 0 |
| 121.3.167.9 | 2030282505 | 0 |
| 121.3.167.10 | 2030282506 | 0 |
| 121.3.167.11 | 2030282507 | 0 |
| 121.3.167.12 | 2030282508 | 0 |
| 121.3.167.13 | 2030282509 | 0 |
| 121.3.167.14 | 2030282510 | 0 |
| 121.3.167.15 | 2030282511 | 0 |
| 121.3.167.16 | 2030282512 | 0 |
| 121.3.167.17 | 2030282513 | 0 |
| 121.3.167.18 | 2030282514 | 0 |
| 121.3.167.19 | 2030282515 | 0 |
| 121.3.167.20 | 2030282516 | 0 |
| 121.3.167.21 | 2030282517 | 0 |
| 121.3.167.22 | 2030282518 | 0 |
| 121.3.167.23 | 2030282519 | 0 |
| 121.3.167.24 | 2030282520 | 0 |
| 121.3.167.25 | 2030282521 | 0 |
| 121.3.167.26 | 2030282522 | 0 |
| 121.3.167.27 | 2030282523 | 0 |
| 121.3.167.28 | 2030282524 | 0 |
| 121.3.167.29 | 2030282525 | 0 |
| 121.3.167.30 | 2030282526 | 0 |
| 121.3.167.31 | 2030282527 | 0 |
| 121.3.167.32 | 2030282528 | 0 |
| 121.3.167.33 | 2030282529 | 0 |
| 121.3.167.34 | 2030282530 | 0 |
| 121.3.167.35 | 2030282531 | 0 |
| 121.3.167.36 | 2030282532 | 0 |
| 121.3.167.37 | 2030282533 | 0 |
| 121.3.167.38 | 2030282534 | 0 |
| 121.3.167.39 | 2030282535 | 0 |
| 121.3.167.40 | 2030282536 | 0 |
| 121.3.167.41 | 2030282537 | 0 |
| 121.3.167.42 | 2030282538 | 0 |
| 121.3.167.43 | 2030282539 | 0 |
| 121.3.167.44 | 2030282540 | 0 |
| 121.3.167.45 | 2030282541 | 0 |
| 121.3.167.46 | 2030282542 | 0 |
| 121.3.167.47 | 2030282543 | 0 |
| 121.3.167.48 | 2030282544 | 0 |
| 121.3.167.49 | 2030282545 | 0 |
| 121.3.167.50 | 2030282546 | 0 |
| 121.3.167.51 | 2030282547 | 0 |
| 121.3.167.52 | 2030282548 | 0 |
| 121.3.167.53 | 2030282549 | 0 |
| 121.3.167.54 | 2030282550 | 0 |
| 121.3.167.55 | 2030282551 | 0 |
| 121.3.167.56 | 2030282552 | 0 |
| 121.3.167.57 | 2030282553 | 0 |
| 121.3.167.58 | 2030282554 | 0 |
| 121.3.167.59 | 2030282555 | 0 |
| 121.3.167.60 | 2030282556 | 0 |
| 121.3.167.61 | 2030282557 | 0 |
| 121.3.167.62 | 2030282558 | 0 |
| 121.3.167.63 | 2030282559 | 0 |
| 121.3.167.64 | 2030282560 | 0 |
| 121.3.167.65 | 2030282561 | 0 |
| 121.3.167.66 | 2030282562 | 0 |
| 121.3.167.67 | 2030282563 | 0 |
| 121.3.167.68 | 2030282564 | 0 |
| 121.3.167.69 | 2030282565 | 0 |
| 121.3.167.70 | 2030282566 | 0 |
| 121.3.167.71 | 2030282567 | 0 |
| 121.3.167.72 | 2030282568 | 0 |
| 121.3.167.73 | 2030282569 | 0 |
| 121.3.167.74 | 2030282570 | 0 |
| 121.3.167.75 | 2030282571 | 0 |
| 121.3.167.76 | 2030282572 | 0 |
| 121.3.167.77 | 2030282573 | 0 |
| 121.3.167.78 | 2030282574 | 0 |
| 121.3.167.79 | 2030282575 | 0 |
| 121.3.167.80 | 2030282576 | 0 |
| 121.3.167.81 | 2030282577 | 0 |
| 121.3.167.82 | 2030282578 | 0 |
| 121.3.167.83 | 2030282579 | 0 |
| 121.3.167.84 | 2030282580 | 0 |
| 121.3.167.85 | 2030282581 | 0 |