Die IP-Adresse 21.76.63 erfolgt über China Education and Research Network Center, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 22.30.204.0/23 (Bereich 22.30.204.0, 22.30.205.255). Die autonomen Systemnummer (ASN) ist 4538.
| ASN | 4538 |
| Ausgehend von IP | 22.30.204.0 |
| Beendigung durch IP | 22.30.205.255 |
| ASN-Namen | China Education and Research Network Center |
| GGDV | 22.30.204.0/23 |
| Numerische IP | |
| Registrierung | |
| Letztes update | 27.09.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-09-26 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-09-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.76.63.0 | 357318400 | 0 |
| 21.76.63.1 | 357318401 | 0 |
| 21.76.63.2 | 357318402 | 0 |
| 21.76.63.3 | 357318403 | 0 |
| 21.76.63.4 | 357318404 | 0 |
| 21.76.63.5 | 357318405 | 0 |
| 21.76.63.6 | 357318406 | 0 |
| 21.76.63.7 | 357318407 | 0 |
| 21.76.63.8 | 357318408 | 0 |
| 21.76.63.9 | 357318409 | 0 |
| 21.76.63.10 | 357318410 | 0 |
| 21.76.63.11 | 357318411 | 0 |
| 21.76.63.12 | 357318412 | 0 |
| 21.76.63.13 | 357318413 | 0 |
| 21.76.63.14 | 357318414 | 0 |
| 21.76.63.15 | 357318415 | 0 |
| 21.76.63.16 | 357318416 | 0 |
| 21.76.63.17 | 357318417 | 0 |
| 21.76.63.18 | 357318418 | 0 |
| 21.76.63.19 | 357318419 | 0 |
| 21.76.63.20 | 357318420 | 0 |
| 21.76.63.21 | 357318421 | 0 |
| 21.76.63.22 | 357318422 | 0 |
| 21.76.63.23 | 357318423 | 0 |
| 21.76.63.24 | 357318424 | 0 |
| 21.76.63.25 | 357318425 | 0 |
| 21.76.63.26 | 357318426 | 0 |
| 21.76.63.27 | 357318427 | 0 |
| 21.76.63.28 | 357318428 | 0 |
| 21.76.63.29 | 357318429 | 0 |
| 21.76.63.30 | 357318430 | 0 |
| 21.76.63.31 | 357318431 | 0 |
| 21.76.63.32 | 357318432 | 0 |
| 21.76.63.33 | 357318433 | 0 |
| 21.76.63.34 | 357318434 | 0 |
| 21.76.63.35 | 357318435 | 0 |
| 21.76.63.36 | 357318436 | 0 |
| 21.76.63.37 | 357318437 | 0 |
| 21.76.63.38 | 357318438 | 0 |
| 21.76.63.39 | 357318439 | 0 |
| 21.76.63.40 | 357318440 | 0 |
| 21.76.63.41 | 357318441 | 0 |
| 21.76.63.42 | 357318442 | 0 |
| 21.76.63.43 | 357318443 | 0 |
| 21.76.63.44 | 357318444 | 0 |
| 21.76.63.45 | 357318445 | 0 |
| 21.76.63.46 | 357318446 | 0 |
| 21.76.63.47 | 357318447 | 0 |
| 21.76.63.48 | 357318448 | 0 |
| 21.76.63.49 | 357318449 | 0 |
| 21.76.63.50 | 357318450 | 0 |
| 21.76.63.51 | 357318451 | 0 |
| 21.76.63.52 | 357318452 | 0 |
| 21.76.63.53 | 357318453 | 0 |
| 21.76.63.54 | 357318454 | 0 |
| 21.76.63.55 | 357318455 | 0 |
| 21.76.63.56 | 357318456 | 0 |
| 21.76.63.57 | 357318457 | 0 |
| 21.76.63.58 | 357318458 | 0 |
| 21.76.63.59 | 357318459 | 0 |
| 21.76.63.60 | 357318460 | 0 |
| 21.76.63.61 | 357318461 | 0 |
| 21.76.63.62 | 357318462 | 0 |
| 21.76.63.63 | 357318463 | 0 |
| 21.76.63.64 | 357318464 | 0 |
| 21.76.63.65 | 357318465 | 0 |
| 21.76.63.66 | 357318466 | 0 |
| 21.76.63.67 | 357318467 | 0 |
| 21.76.63.68 | 357318468 | 0 |
| 21.76.63.69 | 357318469 | 0 |
| 21.76.63.70 | 357318470 | 0 |
| 21.76.63.71 | 357318471 | 0 |
| 21.76.63.72 | 357318472 | 0 |
| 21.76.63.73 | 357318473 | 0 |
| 21.76.63.74 | 357318474 | 0 |
| 21.76.63.75 | 357318475 | 0 |
| 21.76.63.76 | 357318476 | 0 |
| 21.76.63.77 | 357318477 | 0 |
| 21.76.63.78 | 357318478 | 0 |
| 21.76.63.79 | 357318479 | 0 |
| 21.76.63.80 | 357318480 | 0 |
| 21.76.63.81 | 357318481 | 0 |
| 21.76.63.82 | 357318482 | 0 |
| 21.76.63.83 | 357318483 | 0 |
| 21.76.63.84 | 357318484 | 0 |
| 21.76.63.85 | 357318485 | 0 |