L'indirizzo IP 21.80.78 è fornito da China Education and Research Network Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP tra 22.30.204.0 a 22.30.205.255 ). Il numero di sistema autonomo (ASN) è 4538.
| ASN | 4538 |
| IP inizia con | 22.30.204.0 |
| IP finale con | 22.30.205.255 |
| ASN Nome | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 02/05/2019 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Houston | 29,7633 | -95,3633 | 2019-05-02 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2019-05-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.80.78.0 | 357584384 | 0 |
| 21.80.78.1 | 357584385 | 0 |
| 21.80.78.2 | 357584386 | 0 |
| 21.80.78.3 | 357584387 | 0 |
| 21.80.78.4 | 357584388 | 0 |
| 21.80.78.5 | 357584389 | 0 |
| 21.80.78.6 | 357584390 | 0 |
| 21.80.78.7 | 357584391 | 0 |
| 21.80.78.8 | 357584392 | 0 |
| 21.80.78.9 | 357584393 | 0 |
| 21.80.78.10 | 357584394 | 0 |
| 21.80.78.11 | 357584395 | 0 |
| 21.80.78.12 | 357584396 | 0 |
| 21.80.78.13 | 357584397 | 0 |
| 21.80.78.14 | 357584398 | 0 |
| 21.80.78.15 | 357584399 | 0 |
| 21.80.78.16 | 357584400 | 0 |
| 21.80.78.17 | 357584401 | 0 |
| 21.80.78.18 | 357584402 | 0 |
| 21.80.78.19 | 357584403 | 0 |
| 21.80.78.20 | 357584404 | 0 |
| 21.80.78.21 | 357584405 | 0 |
| 21.80.78.22 | 357584406 | 0 |
| 21.80.78.23 | 357584407 | 0 |
| 21.80.78.24 | 357584408 | 0 |
| 21.80.78.25 | 357584409 | 0 |
| 21.80.78.26 | 357584410 | 0 |
| 21.80.78.27 | 357584411 | 0 |
| 21.80.78.28 | 357584412 | 0 |
| 21.80.78.29 | 357584413 | 0 |
| 21.80.78.30 | 357584414 | 0 |
| 21.80.78.31 | 357584415 | 0 |
| 21.80.78.32 | 357584416 | 0 |
| 21.80.78.33 | 357584417 | 0 |
| 21.80.78.34 | 357584418 | 0 |
| 21.80.78.35 | 357584419 | 0 |
| 21.80.78.36 | 357584420 | 0 |
| 21.80.78.37 | 357584421 | 0 |
| 21.80.78.38 | 357584422 | 0 |
| 21.80.78.39 | 357584423 | 0 |
| 21.80.78.40 | 357584424 | 0 |
| 21.80.78.41 | 357584425 | 0 |
| 21.80.78.42 | 357584426 | 0 |
| 21.80.78.43 | 357584427 | 0 |
| 21.80.78.44 | 357584428 | 0 |
| 21.80.78.45 | 357584429 | 0 |
| 21.80.78.46 | 357584430 | 0 |
| 21.80.78.47 | 357584431 | 0 |
| 21.80.78.48 | 357584432 | 0 |
| 21.80.78.49 | 357584433 | 0 |
| 21.80.78.50 | 357584434 | 0 |
| 21.80.78.51 | 357584435 | 0 |
| 21.80.78.52 | 357584436 | 0 |
| 21.80.78.53 | 357584437 | 0 |
| 21.80.78.54 | 357584438 | 0 |
| 21.80.78.55 | 357584439 | 0 |
| 21.80.78.56 | 357584440 | 0 |
| 21.80.78.57 | 357584441 | 0 |
| 21.80.78.58 | 357584442 | 0 |
| 21.80.78.59 | 357584443 | 0 |
| 21.80.78.60 | 357584444 | 0 |
| 21.80.78.61 | 357584445 | 0 |
| 21.80.78.62 | 357584446 | 0 |
| 21.80.78.63 | 357584447 | 0 |
| 21.80.78.64 | 357584448 | 0 |
| 21.80.78.65 | 357584449 | 0 |
| 21.80.78.66 | 357584450 | 0 |
| 21.80.78.67 | 357584451 | 0 |
| 21.80.78.68 | 357584452 | 0 |
| 21.80.78.69 | 357584453 | 0 |
| 21.80.78.70 | 357584454 | 0 |
| 21.80.78.71 | 357584455 | 0 |
| 21.80.78.72 | 357584456 | 0 |
| 21.80.78.73 | 357584457 | 0 |
| 21.80.78.74 | 357584458 | 0 |
| 21.80.78.75 | 357584459 | 0 |
| 21.80.78.76 | 357584460 | 0 |
| 21.80.78.77 | 357584461 | 0 |
| 21.80.78.78 | 357584462 | 0 |
| 21.80.78.79 | 357584463 | 0 |
| 21.80.78.80 | 357584464 | 0 |
| 21.80.78.81 | 357584465 | 0 |
| 21.80.78.82 | 357584466 | 0 |
| 21.80.78.83 | 357584467 | 0 |
| 21.80.78.84 | 357584468 | 0 |
| 21.80.78.85 | 357584469 | 0 |