L'indirizzo IP 121.87.34 è fornito da K-Opticom Corporation, che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.84.0.0/14, IP tra 121.84.0.0 a 121.87.255.255 ). Il numero di sistema autonomo (ASN) è 17511.
| ASN | 17511 |
| IP inizia con | 121.84.0.0 |
| IP finale con | 121.87.255.255 |
| ASN Nome | K-Opticom Corporation |
| CDIR | 121.84.0.0/14 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 07/08/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | JP | Japan | - | Osaka | 34,6939 | 135,5022 | 2017-08-07 |
| MaxMind | JP | Japan | - | Sakai | 34,5833 | 135,4667 | 2017-08-07 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.87.34.0 | 2035753472 | 0 |
| 121.87.34.1 | 2035753473 | 0 |
| 121.87.34.2 | 2035753474 | 0 |
| 121.87.34.3 | 2035753475 | 0 |
| 121.87.34.4 | 2035753476 | 0 |
| 121.87.34.5 | 2035753477 | 0 |
| 121.87.34.6 | 2035753478 | 0 |
| 121.87.34.7 | 2035753479 | 0 |
| 121.87.34.8 | 2035753480 | 0 |
| 121.87.34.9 | 2035753481 | 0 |
| 121.87.34.10 | 2035753482 | 0 |
| 121.87.34.11 | 2035753483 | 0 |
| 121.87.34.12 | 2035753484 | 0 |
| 121.87.34.13 | 2035753485 | 0 |
| 121.87.34.14 | 2035753486 | 0 |
| 121.87.34.15 | 2035753487 | 0 |
| 121.87.34.16 | 2035753488 | 0 |
| 121.87.34.17 | 2035753489 | 0 |
| 121.87.34.18 | 2035753490 | 0 |
| 121.87.34.19 | 2035753491 | 0 |
| 121.87.34.20 | 2035753492 | 0 |
| 121.87.34.21 | 2035753493 | 0 |
| 121.87.34.22 | 2035753494 | 0 |
| 121.87.34.23 | 2035753495 | 0 |
| 121.87.34.24 | 2035753496 | 0 |
| 121.87.34.25 | 2035753497 | 0 |
| 121.87.34.26 | 2035753498 | 0 |
| 121.87.34.27 | 2035753499 | 0 |
| 121.87.34.28 | 2035753500 | 0 |
| 121.87.34.29 | 2035753501 | 0 |
| 121.87.34.30 | 2035753502 | 0 |
| 121.87.34.31 | 2035753503 | 0 |
| 121.87.34.32 | 2035753504 | 0 |
| 121.87.34.33 | 2035753505 | 0 |
| 121.87.34.34 | 2035753506 | 0 |
| 121.87.34.35 | 2035753507 | 0 |
| 121.87.34.36 | 2035753508 | 0 |
| 121.87.34.37 | 2035753509 | 0 |
| 121.87.34.38 | 2035753510 | 0 |
| 121.87.34.39 | 2035753511 | 0 |
| 121.87.34.40 | 2035753512 | 0 |
| 121.87.34.41 | 2035753513 | 0 |
| 121.87.34.42 | 2035753514 | 0 |
| 121.87.34.43 | 2035753515 | 0 |
| 121.87.34.44 | 2035753516 | 0 |
| 121.87.34.45 | 2035753517 | 0 |
| 121.87.34.46 | 2035753518 | 0 |
| 121.87.34.47 | 2035753519 | 0 |
| 121.87.34.48 | 2035753520 | 0 |
| 121.87.34.49 | 2035753521 | 0 |
| 121.87.34.50 | 2035753522 | 0 |
| 121.87.34.51 | 2035753523 | 0 |
| 121.87.34.52 | 2035753524 | 0 |
| 121.87.34.53 | 2035753525 | 0 |
| 121.87.34.54 | 2035753526 | 0 |
| 121.87.34.55 | 2035753527 | 0 |
| 121.87.34.56 | 2035753528 | 0 |
| 121.87.34.57 | 2035753529 | 0 |
| 121.87.34.58 | 2035753530 | 0 |
| 121.87.34.59 | 2035753531 | 0 |
| 121.87.34.60 | 2035753532 | 0 |
| 121.87.34.61 | 2035753533 | 0 |
| 121.87.34.62 | 2035753534 | 0 |
| 121.87.34.63 | 2035753535 | 0 |
| 121.87.34.64 | 2035753536 | 0 |
| 121.87.34.65 | 2035753537 | 0 |
| 121.87.34.66 | 2035753538 | 0 |
| 121.87.34.67 | 2035753539 | 0 |
| 121.87.34.68 | 2035753540 | 0 |
| 121.87.34.69 | 2035753541 | 0 |
| 121.87.34.70 | 2035753542 | 0 |
| 121.87.34.71 | 2035753543 | 0 |
| 121.87.34.72 | 2035753544 | 0 |
| 121.87.34.73 | 2035753545 | 0 |
| 121.87.34.74 | 2035753546 | 0 |
| 121.87.34.75 | 2035753547 | 0 |
| 121.87.34.76 | 2035753548 | 0 |
| 121.87.34.77 | 2035753549 | 0 |
| 121.87.34.78 | 2035753550 | 0 |
| 121.87.34.79 | 2035753551 | 0 |
| 121.87.34.80 | 2035753552 | 0 |
| 121.87.34.81 | 2035753553 | 0 |
| 121.87.34.82 | 2035753554 | 0 |
| 121.87.34.83 | 2035753555 | 0 |
| 121.87.34.84 | 2035753556 | 0 |
| 121.87.34.85 | 2035753557 | 0 |