Les adresses IP débutant par 21.236.2 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 | 28/06/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | ES | Espagne | - | Madrid | 40,4165 | -3,7026 | 2019-06-27 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2019-06-27 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.236.2.0 | 367788544 | 0 |
| 21.236.2.1 | 367788545 | 0 |
| 21.236.2.2 | 367788546 | 0 |
| 21.236.2.3 | 367788547 | 0 |
| 21.236.2.4 | 367788548 | 0 |
| 21.236.2.5 | 367788549 | 0 |
| 21.236.2.6 | 367788550 | 0 |
| 21.236.2.7 | 367788551 | 0 |
| 21.236.2.8 | 367788552 | 0 |
| 21.236.2.9 | 367788553 | 0 |
| 21.236.2.10 | 367788554 | 0 |
| 21.236.2.11 | 367788555 | 0 |
| 21.236.2.12 | 367788556 | 0 |
| 21.236.2.13 | 367788557 | 0 |
| 21.236.2.14 | 367788558 | 0 |
| 21.236.2.15 | 367788559 | 0 |
| 21.236.2.16 | 367788560 | 0 |
| 21.236.2.17 | 367788561 | 0 |
| 21.236.2.18 | 367788562 | 0 |
| 21.236.2.19 | 367788563 | 0 |
| 21.236.2.20 | 367788564 | 0 |
| 21.236.2.21 | 367788565 | 0 |
| 21.236.2.22 | 367788566 | 0 |
| 21.236.2.23 | 367788567 | 0 |
| 21.236.2.24 | 367788568 | 0 |
| 21.236.2.25 | 367788569 | 0 |
| 21.236.2.26 | 367788570 | 0 |
| 21.236.2.27 | 367788571 | 0 |
| 21.236.2.28 | 367788572 | 0 |
| 21.236.2.29 | 367788573 | 0 |
| 21.236.2.30 | 367788574 | 0 |
| 21.236.2.31 | 367788575 | 0 |
| 21.236.2.32 | 367788576 | 0 |
| 21.236.2.33 | 367788577 | 0 |
| 21.236.2.34 | 367788578 | 0 |
| 21.236.2.35 | 367788579 | 0 |
| 21.236.2.36 | 367788580 | 0 |
| 21.236.2.37 | 367788581 | 0 |
| 21.236.2.38 | 367788582 | 0 |
| 21.236.2.39 | 367788583 | 0 |
| 21.236.2.40 | 367788584 | 0 |
| 21.236.2.41 | 367788585 | 0 |
| 21.236.2.42 | 367788586 | 0 |
| 21.236.2.43 | 367788587 | 0 |
| 21.236.2.44 | 367788588 | 0 |
| 21.236.2.45 | 367788589 | 0 |
| 21.236.2.46 | 367788590 | 0 |
| 21.236.2.47 | 367788591 | 0 |
| 21.236.2.48 | 367788592 | 0 |
| 21.236.2.49 | 367788593 | 0 |
| 21.236.2.50 | 367788594 | 0 |
| 21.236.2.51 | 367788595 | 0 |
| 21.236.2.52 | 367788596 | 0 |
| 21.236.2.53 | 367788597 | 0 |
| 21.236.2.54 | 367788598 | 0 |
| 21.236.2.55 | 367788599 | 0 |
| 21.236.2.56 | 367788600 | 0 |
| 21.236.2.57 | 367788601 | 0 |
| 21.236.2.58 | 367788602 | 0 |
| 21.236.2.59 | 367788603 | 0 |
| 21.236.2.60 | 367788604 | 0 |
| 21.236.2.61 | 367788605 | 0 |
| 21.236.2.62 | 367788606 | 0 |
| 21.236.2.63 | 367788607 | 0 |
| 21.236.2.64 | 367788608 | 0 |
| 21.236.2.65 | 367788609 | 0 |
| 21.236.2.66 | 367788610 | 0 |
| 21.236.2.67 | 367788611 | 0 |
| 21.236.2.68 | 367788612 | 0 |
| 21.236.2.69 | 367788613 | 0 |
| 21.236.2.70 | 367788614 | 0 |
| 21.236.2.71 | 367788615 | 0 |
| 21.236.2.72 | 367788616 | 0 |
| 21.236.2.73 | 367788617 | 0 |
| 21.236.2.74 | 367788618 | 0 |
| 21.236.2.75 | 367788619 | 0 |
| 21.236.2.76 | 367788620 | 0 |
| 21.236.2.77 | 367788621 | 0 |
| 21.236.2.78 | 367788622 | 0 |
| 21.236.2.79 | 367788623 | 0 |
| 21.236.2.80 | 367788624 | 0 |
| 21.236.2.81 | 367788625 | 0 |
| 21.236.2.82 | 367788626 | 0 |
| 21.236.2.83 | 367788627 | 0 |
| 21.236.2.84 | 367788628 | 0 |
| 21.236.2.85 | 367788629 | 0 |