Les adresses IP débutant par 21.78.71 sont fournies par China Education and Research Network Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, le bloc IP comprant les adresses de 22.30.204.0 à 22.30.205.255). Le numéro de système autonome (ASN) est 4538.
| ASN | 4538 |
| IP commençant par | 22.30.204.0 |
| IP se terminant par | 22.30.205.255 |
| Nom ASN | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 31/07/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Clovis | 34,4048 | -103,2052 | 2018-07-31 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-07-31 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.71.0 | 357451520 | 0 |
| 21.78.71.1 | 357451521 | 0 |
| 21.78.71.2 | 357451522 | 0 |
| 21.78.71.3 | 357451523 | 0 |
| 21.78.71.4 | 357451524 | 0 |
| 21.78.71.5 | 357451525 | 0 |
| 21.78.71.6 | 357451526 | 0 |
| 21.78.71.7 | 357451527 | 0 |
| 21.78.71.8 | 357451528 | 0 |
| 21.78.71.9 | 357451529 | 0 |
| 21.78.71.10 | 357451530 | 0 |
| 21.78.71.11 | 357451531 | 0 |
| 21.78.71.12 | 357451532 | 0 |
| 21.78.71.13 | 357451533 | 0 |
| 21.78.71.14 | 357451534 | 0 |
| 21.78.71.15 | 357451535 | 0 |
| 21.78.71.16 | 357451536 | 0 |
| 21.78.71.17 | 357451537 | 0 |
| 21.78.71.18 | 357451538 | 0 |
| 21.78.71.19 | 357451539 | 0 |
| 21.78.71.20 | 357451540 | 0 |
| 21.78.71.21 | 357451541 | 0 |
| 21.78.71.22 | 357451542 | 0 |
| 21.78.71.23 | 357451543 | 0 |
| 21.78.71.24 | 357451544 | 0 |
| 21.78.71.25 | 357451545 | 0 |
| 21.78.71.26 | 357451546 | 0 |
| 21.78.71.27 | 357451547 | 0 |
| 21.78.71.28 | 357451548 | 0 |
| 21.78.71.29 | 357451549 | 0 |
| 21.78.71.30 | 357451550 | 0 |
| 21.78.71.31 | 357451551 | 0 |
| 21.78.71.32 | 357451552 | 0 |
| 21.78.71.33 | 357451553 | 0 |
| 21.78.71.34 | 357451554 | 0 |
| 21.78.71.35 | 357451555 | 0 |
| 21.78.71.36 | 357451556 | 0 |
| 21.78.71.37 | 357451557 | 0 |
| 21.78.71.38 | 357451558 | 0 |
| 21.78.71.39 | 357451559 | 0 |
| 21.78.71.40 | 357451560 | 0 |
| 21.78.71.41 | 357451561 | 0 |
| 21.78.71.42 | 357451562 | 0 |
| 21.78.71.43 | 357451563 | 0 |
| 21.78.71.44 | 357451564 | 0 |
| 21.78.71.45 | 357451565 | 0 |
| 21.78.71.46 | 357451566 | 0 |
| 21.78.71.47 | 357451567 | 0 |
| 21.78.71.48 | 357451568 | 0 |
| 21.78.71.49 | 357451569 | 0 |
| 21.78.71.50 | 357451570 | 0 |
| 21.78.71.51 | 357451571 | 0 |
| 21.78.71.52 | 357451572 | 0 |
| 21.78.71.53 | 357451573 | 0 |
| 21.78.71.54 | 357451574 | 0 |
| 21.78.71.55 | 357451575 | 0 |
| 21.78.71.56 | 357451576 | 0 |
| 21.78.71.57 | 357451577 | 0 |
| 21.78.71.58 | 357451578 | 0 |
| 21.78.71.59 | 357451579 | 0 |
| 21.78.71.60 | 357451580 | 0 |
| 21.78.71.61 | 357451581 | 0 |
| 21.78.71.62 | 357451582 | 0 |
| 21.78.71.63 | 357451583 | 0 |
| 21.78.71.64 | 357451584 | 0 |
| 21.78.71.65 | 357451585 | 0 |
| 21.78.71.66 | 357451586 | 0 |
| 21.78.71.67 | 357451587 | 0 |
| 21.78.71.68 | 357451588 | 0 |
| 21.78.71.69 | 357451589 | 0 |
| 21.78.71.70 | 357451590 | 0 |
| 21.78.71.71 | 357451591 | 0 |
| 21.78.71.72 | 357451592 | 0 |
| 21.78.71.73 | 357451593 | 0 |
| 21.78.71.74 | 357451594 | 0 |
| 21.78.71.75 | 357451595 | 0 |
| 21.78.71.76 | 357451596 | 0 |
| 21.78.71.77 | 357451597 | 0 |
| 21.78.71.78 | 357451598 | 0 |
| 21.78.71.79 | 357451599 | 0 |
| 21.78.71.80 | 357451600 | 0 |
| 21.78.71.81 | 357451601 | 0 |
| 21.78.71.82 | 357451602 | 0 |
| 21.78.71.83 | 357451603 | 0 |
| 21.78.71.84 | 357451604 | 0 |
| 21.78.71.85 | 357451605 | 0 |