21.81.80
The IP address 21.81.80 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
Network information
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 16/10/2017 |
| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-10-15 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-10-15 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.81.80.0 | 357650432 | 0 |
| 21.81.80.1 | 357650433 | 0 |
| 21.81.80.2 | 357650434 | 0 |
| 21.81.80.3 | 357650435 | 0 |
| 21.81.80.4 | 357650436 | 0 |
| 21.81.80.5 | 357650437 | 0 |
| 21.81.80.6 | 357650438 | 0 |
| 21.81.80.7 | 357650439 | 0 |
| 21.81.80.8 | 357650440 | 0 |
| 21.81.80.9 | 357650441 | 0 |
| 21.81.80.10 | 357650442 | 0 |
| 21.81.80.11 | 357650443 | 0 |
| 21.81.80.12 | 357650444 | 0 |
| 21.81.80.13 | 357650445 | 0 |
| 21.81.80.14 | 357650446 | 0 |
| 21.81.80.15 | 357650447 | 0 |
| 21.81.80.16 | 357650448 | 0 |
| 21.81.80.17 | 357650449 | 0 |
| 21.81.80.18 | 357650450 | 0 |
| 21.81.80.19 | 357650451 | 0 |
| 21.81.80.20 | 357650452 | 0 |
| 21.81.80.21 | 357650453 | 0 |
| 21.81.80.22 | 357650454 | 0 |
| 21.81.80.23 | 357650455 | 0 |
| 21.81.80.24 | 357650456 | 0 |
| 21.81.80.25 | 357650457 | 0 |
| 21.81.80.26 | 357650458 | 0 |
| 21.81.80.27 | 357650459 | 0 |
| 21.81.80.28 | 357650460 | 0 |
| 21.81.80.29 | 357650461 | 0 |
| 21.81.80.30 | 357650462 | 0 |
| 21.81.80.31 | 357650463 | 0 |
| 21.81.80.32 | 357650464 | 0 |
| 21.81.80.33 | 357650465 | 0 |
| 21.81.80.34 | 357650466 | 0 |
| 21.81.80.35 | 357650467 | 0 |
| 21.81.80.36 | 357650468 | 0 |
| 21.81.80.37 | 357650469 | 0 |
| 21.81.80.38 | 357650470 | 0 |
| 21.81.80.39 | 357650471 | 0 |
| 21.81.80.40 | 357650472 | 0 |
| 21.81.80.41 | 357650473 | 0 |
| 21.81.80.42 | 357650474 | 0 |
| 21.81.80.43 | 357650475 | 0 |
| 21.81.80.44 | 357650476 | 0 |
| 21.81.80.45 | 357650477 | 0 |
| 21.81.80.46 | 357650478 | 0 |
| 21.81.80.47 | 357650479 | 0 |
| 21.81.80.48 | 357650480 | 0 |
| 21.81.80.49 | 357650481 | 0 |
| 21.81.80.50 | 357650482 | 0 |
| 21.81.80.51 | 357650483 | 0 |
| 21.81.80.52 | 357650484 | 0 |
| 21.81.80.53 | 357650485 | 0 |
| 21.81.80.54 | 357650486 | 0 |
| 21.81.80.55 | 357650487 | 0 |
| 21.81.80.56 | 357650488 | 0 |
| 21.81.80.57 | 357650489 | 0 |
| 21.81.80.58 | 357650490 | 0 |
| 21.81.80.59 | 357650491 | 0 |
| 21.81.80.60 | 357650492 | 0 |
| 21.81.80.61 | 357650493 | 0 |
| 21.81.80.62 | 357650494 | 0 |
| 21.81.80.63 | 357650495 | 0 |
| 21.81.80.64 | 357650496 | 0 |
| 21.81.80.65 | 357650497 | 0 |
| 21.81.80.66 | 357650498 | 0 |
| 21.81.80.67 | 357650499 | 0 |
| 21.81.80.68 | 357650500 | 0 |
| 21.81.80.69 | 357650501 | 0 |
| 21.81.80.70 | 357650502 | 0 |
| 21.81.80.71 | 357650503 | 0 |
| 21.81.80.72 | 357650504 | 0 |
| 21.81.80.73 | 357650505 | 0 |
| 21.81.80.74 | 357650506 | 0 |
| 21.81.80.75 | 357650507 | 0 |
| 21.81.80.76 | 357650508 | 0 |
| 21.81.80.77 | 357650509 | 0 |
| 21.81.80.78 | 357650510 | 0 |
| 21.81.80.79 | 357650511 | 0 |
| 21.81.80.80 | 357650512 | 0 |
| 21.81.80.81 | 357650513 | 0 |
| 21.81.80.82 | 357650514 | 0 |
| 21.81.80.83 | 357650515 | 0 |
| 21.81.80.84 | 357650516 | 0 |
| 21.81.80.85 | 357650517 | 0 |