Les adresses IP débutant par 121.231.2 sont fournies par ChinaNet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.224.0.0/12, le bloc IP comprant les adresses de 121.224.0.0 à 121.239.255.255). Le numéro de système autonome (ASN) est 4134.
| ASN | 4134 |
| IP commençant par | 121.224.0.0 |
| IP se terminant par | 121.239.255.255 |
| Nom ASN | ChinaNet |
| CDIR | 121.224.0.0/12 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 15/04/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CN | Chine | - | Changzhou | 31,7833 | 119,9667 | 2018-04-15 |
| MaxMind | CN | Chine | - | Nankin | 32,0617 | 118,7778 | 2018-04-15 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.231.2.0 | 2045182464 | 0 |
| 121.231.2.1 | 2045182465 | 0 |
| 121.231.2.2 | 2045182466 | 0 |
| 121.231.2.3 | 2045182467 | 0 |
| 121.231.2.4 | 2045182468 | 0 |
| 121.231.2.5 | 2045182469 | 0 |
| 121.231.2.6 | 2045182470 | 0 |
| 121.231.2.7 | 2045182471 | 0 |
| 121.231.2.8 | 2045182472 | 0 |
| 121.231.2.9 | 2045182473 | 0 |
| 121.231.2.10 | 2045182474 | 0 |
| 121.231.2.11 | 2045182475 | 0 |
| 121.231.2.12 | 2045182476 | 0 |
| 121.231.2.13 | 2045182477 | 0 |
| 121.231.2.14 | 2045182478 | 0 |
| 121.231.2.15 | 2045182479 | 0 |
| 121.231.2.16 | 2045182480 | 0 |
| 121.231.2.17 | 2045182481 | 0 |
| 121.231.2.18 | 2045182482 | 0 |
| 121.231.2.19 | 2045182483 | 0 |
| 121.231.2.20 | 2045182484 | 0 |
| 121.231.2.21 | 2045182485 | 0 |
| 121.231.2.22 | 2045182486 | 0 |
| 121.231.2.23 | 2045182487 | 0 |
| 121.231.2.24 | 2045182488 | 0 |
| 121.231.2.25 | 2045182489 | 0 |
| 121.231.2.26 | 2045182490 | 0 |
| 121.231.2.27 | 2045182491 | 0 |
| 121.231.2.28 | 2045182492 | 0 |
| 121.231.2.29 | 2045182493 | 0 |
| 121.231.2.30 | 2045182494 | 0 |
| 121.231.2.31 | 2045182495 | 0 |
| 121.231.2.32 | 2045182496 | 0 |
| 121.231.2.33 | 2045182497 | 0 |
| 121.231.2.34 | 2045182498 | 0 |
| 121.231.2.35 | 2045182499 | 0 |
| 121.231.2.36 | 2045182500 | 0 |
| 121.231.2.37 | 2045182501 | 0 |
| 121.231.2.38 | 2045182502 | 0 |
| 121.231.2.39 | 2045182503 | 0 |
| 121.231.2.40 | 2045182504 | 0 |
| 121.231.2.41 | 2045182505 | 0 |
| 121.231.2.42 | 2045182506 | 0 |
| 121.231.2.43 | 2045182507 | 0 |
| 121.231.2.44 | 2045182508 | 0 |
| 121.231.2.45 | 2045182509 | 0 |
| 121.231.2.46 | 2045182510 | 0 |
| 121.231.2.47 | 2045182511 | 0 |
| 121.231.2.48 | 2045182512 | 0 |
| 121.231.2.49 | 2045182513 | 0 |
| 121.231.2.50 | 2045182514 | 0 |
| 121.231.2.51 | 2045182515 | 0 |
| 121.231.2.52 | 2045182516 | 0 |
| 121.231.2.53 | 2045182517 | 0 |
| 121.231.2.54 | 2045182518 | 0 |
| 121.231.2.55 | 2045182519 | 0 |
| 121.231.2.56 | 2045182520 | 0 |
| 121.231.2.57 | 2045182521 | 0 |
| 121.231.2.58 | 2045182522 | 0 |
| 121.231.2.59 | 2045182523 | 0 |
| 121.231.2.60 | 2045182524 | 0 |
| 121.231.2.61 | 2045182525 | 0 |
| 121.231.2.62 | 2045182526 | 0 |
| 121.231.2.63 | 2045182527 | 0 |
| 121.231.2.64 | 2045182528 | 0 |
| 121.231.2.65 | 2045182529 | 0 |
| 121.231.2.66 | 2045182530 | 0 |
| 121.231.2.67 | 2045182531 | 0 |
| 121.231.2.68 | 2045182532 | 0 |
| 121.231.2.69 | 2045182533 | 0 |
| 121.231.2.70 | 2045182534 | 0 |
| 121.231.2.71 | 2045182535 | 0 |
| 121.231.2.72 | 2045182536 | 0 |
| 121.231.2.73 | 2045182537 | 0 |
| 121.231.2.74 | 2045182538 | 0 |
| 121.231.2.75 | 2045182539 | 0 |
| 121.231.2.76 | 2045182540 | 0 |
| 121.231.2.77 | 2045182541 | 0 |
| 121.231.2.78 | 2045182542 | 0 |
| 121.231.2.79 | 2045182543 | 0 |
| 121.231.2.80 | 2045182544 | 0 |
| 121.231.2.81 | 2045182545 | 0 |
| 121.231.2.82 | 2045182546 | 0 |
| 121.231.2.83 | 2045182547 | 0 |
| 121.231.2.84 | 2045182548 | 0 |
| 121.231.2.85 | 2045182549 | 0 |