L'indirizzo IP 121.80.80 è fornito da K-Opticom Corporation, che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.80.0.0/14, IP tra 121.80.0.0 a 121.83.255.255 ). Il numero di sistema autonomo (ASN) è 17511.
| ASN | 17511 |
| IP inizia con | 121.80.0.0 |
| IP finale con | 121.83.255.255 |
| ASN Nome | K-Opticom Corporation |
| CDIR | 121.80.0.0/14 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 02/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | JP | Japan | - | Minamiawaji | 34,3 | 134,783 | 2017-09-01 |
| MaxMind | JP | Japan | - | Kakogawa | 34,7667 | 134,85 | 2017-09-01 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.80.80.0 | 2035306496 | 0 |
| 121.80.80.1 | 2035306497 | 0 |
| 121.80.80.2 | 2035306498 | 0 |
| 121.80.80.3 | 2035306499 | 0 |
| 121.80.80.4 | 2035306500 | 0 |
| 121.80.80.5 | 2035306501 | 0 |
| 121.80.80.6 | 2035306502 | 0 |
| 121.80.80.7 | 2035306503 | 0 |
| 121.80.80.8 | 2035306504 | 0 |
| 121.80.80.9 | 2035306505 | 0 |
| 121.80.80.10 | 2035306506 | 0 |
| 121.80.80.11 | 2035306507 | 0 |
| 121.80.80.12 | 2035306508 | 0 |
| 121.80.80.13 | 2035306509 | 0 |
| 121.80.80.14 | 2035306510 | 0 |
| 121.80.80.15 | 2035306511 | 0 |
| 121.80.80.16 | 2035306512 | 0 |
| 121.80.80.17 | 2035306513 | 0 |
| 121.80.80.18 | 2035306514 | 0 |
| 121.80.80.19 | 2035306515 | 0 |
| 121.80.80.20 | 2035306516 | 0 |
| 121.80.80.21 | 2035306517 | 0 |
| 121.80.80.22 | 2035306518 | 0 |
| 121.80.80.23 | 2035306519 | 0 |
| 121.80.80.24 | 2035306520 | 0 |
| 121.80.80.25 | 2035306521 | 0 |
| 121.80.80.26 | 2035306522 | 0 |
| 121.80.80.27 | 2035306523 | 0 |
| 121.80.80.28 | 2035306524 | 0 |
| 121.80.80.29 | 2035306525 | 0 |
| 121.80.80.30 | 2035306526 | 0 |
| 121.80.80.31 | 2035306527 | 0 |
| 121.80.80.32 | 2035306528 | 0 |
| 121.80.80.33 | 2035306529 | 0 |
| 121.80.80.34 | 2035306530 | 0 |
| 121.80.80.35 | 2035306531 | 0 |
| 121.80.80.36 | 2035306532 | 0 |
| 121.80.80.37 | 2035306533 | 0 |
| 121.80.80.38 | 2035306534 | 0 |
| 121.80.80.39 | 2035306535 | 0 |
| 121.80.80.40 | 2035306536 | 0 |
| 121.80.80.41 | 2035306537 | 0 |
| 121.80.80.42 | 2035306538 | 0 |
| 121.80.80.43 | 2035306539 | 0 |
| 121.80.80.44 | 2035306540 | 0 |
| 121.80.80.45 | 2035306541 | 0 |
| 121.80.80.46 | 2035306542 | 0 |
| 121.80.80.47 | 2035306543 | 0 |
| 121.80.80.48 | 2035306544 | 0 |
| 121.80.80.49 | 2035306545 | 0 |
| 121.80.80.50 | 2035306546 | 0 |
| 121.80.80.51 | 2035306547 | 0 |
| 121.80.80.52 | 2035306548 | 0 |
| 121.80.80.53 | 2035306549 | 0 |
| 121.80.80.54 | 2035306550 | 0 |
| 121.80.80.55 | 2035306551 | 0 |
| 121.80.80.56 | 2035306552 | 0 |
| 121.80.80.57 | 2035306553 | 0 |
| 121.80.80.58 | 2035306554 | 0 |
| 121.80.80.59 | 2035306555 | 0 |
| 121.80.80.60 | 2035306556 | 0 |
| 121.80.80.61 | 2035306557 | 0 |
| 121.80.80.62 | 2035306558 | 0 |
| 121.80.80.63 | 2035306559 | 0 |
| 121.80.80.64 | 2035306560 | 0 |
| 121.80.80.65 | 2035306561 | 0 |
| 121.80.80.66 | 2035306562 | 0 |
| 121.80.80.67 | 2035306563 | 0 |
| 121.80.80.68 | 2035306564 | 0 |
| 121.80.80.69 | 2035306565 | 0 |
| 121.80.80.70 | 2035306566 | 0 |
| 121.80.80.71 | 2035306567 | 0 |
| 121.80.80.72 | 2035306568 | 0 |
| 121.80.80.73 | 2035306569 | 0 |
| 121.80.80.74 | 2035306570 | 0 |
| 121.80.80.75 | 2035306571 | 0 |
| 121.80.80.76 | 2035306572 | 0 |
| 121.80.80.77 | 2035306573 | 0 |
| 121.80.80.78 | 2035306574 | 0 |
| 121.80.80.79 | 2035306575 | 0 |
| 121.80.80.80 | 2035306576 | 0 |
| 121.80.80.81 | 2035306577 | 0 |
| 121.80.80.82 | 2035306578 | 0 |
| 121.80.80.83 | 2035306579 | 0 |
| 121.80.80.84 | 2035306580 | 0 |
| 121.80.80.85 | 2035306581 | 0 |