Les adresses IP débutant par 199.74.89 sont fournies par Northwestern University, elles appartiennent au CIDR (Classless Inter-Domain Routing) 199.74.64.0/18, le bloc IP comprant les adresses de 199.74.64.0 à 199.74.127.255). Le numéro de système autonome (ASN) est 103.
| ASN | 103 |
| IP commençant par | 199.74.64.0 |
| IP se terminant par | 199.74.127.255 |
| Nom ASN | Northwestern University |
| CDIR | 199.74.64.0/18 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 04/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Chicago | 41,85 | -87,6501 | 2017-08-04 |
| MaxMind | US | États-Unis | - | Evanston | 42,0586 | -87,6845 | 2017-08-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 199.74.89.0 | 3343538432 | 0 |
| 199.74.89.1 | 3343538433 | 0 |
| 199.74.89.2 | 3343538434 | 0 |
| 199.74.89.3 | 3343538435 | 0 |
| 199.74.89.4 | 3343538436 | 0 |
| 199.74.89.5 | 3343538437 | 0 |
| 199.74.89.6 | 3343538438 | 0 |
| 199.74.89.7 | 3343538439 | 0 |
| 199.74.89.8 | 3343538440 | 0 |
| 199.74.89.9 | 3343538441 | 0 |
| 199.74.89.10 | 3343538442 | 0 |
| 199.74.89.11 | 3343538443 | 0 |
| 199.74.89.12 | 3343538444 | 0 |
| 199.74.89.13 | 3343538445 | 0 |
| 199.74.89.14 | 3343538446 | 0 |
| 199.74.89.15 | 3343538447 | 0 |
| 199.74.89.16 | 3343538448 | 0 |
| 199.74.89.17 | 3343538449 | 0 |
| 199.74.89.18 | 3343538450 | 0 |
| 199.74.89.19 | 3343538451 | 0 |
| 199.74.89.20 | 3343538452 | 0 |
| 199.74.89.21 | 3343538453 | 0 |
| 199.74.89.22 | 3343538454 | 0 |
| 199.74.89.23 | 3343538455 | 0 |
| 199.74.89.24 | 3343538456 | 0 |
| 199.74.89.25 | 3343538457 | 0 |
| 199.74.89.26 | 3343538458 | 0 |
| 199.74.89.27 | 3343538459 | 0 |
| 199.74.89.28 | 3343538460 | 0 |
| 199.74.89.29 | 3343538461 | 0 |
| 199.74.89.30 | 3343538462 | 0 |
| 199.74.89.31 | 3343538463 | 0 |
| 199.74.89.32 | 3343538464 | 0 |
| 199.74.89.33 | 3343538465 | 0 |
| 199.74.89.34 | 3343538466 | 0 |
| 199.74.89.35 | 3343538467 | 0 |
| 199.74.89.36 | 3343538468 | 0 |
| 199.74.89.37 | 3343538469 | 0 |
| 199.74.89.38 | 3343538470 | 0 |
| 199.74.89.39 | 3343538471 | 0 |
| 199.74.89.40 | 3343538472 | 0 |
| 199.74.89.41 | 3343538473 | 0 |
| 199.74.89.42 | 3343538474 | 0 |
| 199.74.89.43 | 3343538475 | 0 |
| 199.74.89.44 | 3343538476 | 0 |
| 199.74.89.45 | 3343538477 | 0 |
| 199.74.89.46 | 3343538478 | 0 |
| 199.74.89.47 | 3343538479 | 0 |
| 199.74.89.48 | 3343538480 | 0 |
| 199.74.89.49 | 3343538481 | 0 |
| 199.74.89.50 | 3343538482 | 0 |
| 199.74.89.51 | 3343538483 | 0 |
| 199.74.89.52 | 3343538484 | 0 |
| 199.74.89.53 | 3343538485 | 0 |
| 199.74.89.54 | 3343538486 | 0 |
| 199.74.89.55 | 3343538487 | 0 |
| 199.74.89.56 | 3343538488 | 0 |
| 199.74.89.57 | 3343538489 | 0 |
| 199.74.89.58 | 3343538490 | 0 |
| 199.74.89.59 | 3343538491 | 0 |
| 199.74.89.60 | 3343538492 | 0 |
| 199.74.89.61 | 3343538493 | 0 |
| 199.74.89.62 | 3343538494 | 0 |
| 199.74.89.63 | 3343538495 | 0 |
| 199.74.89.64 | 3343538496 | 0 |
| 199.74.89.65 | 3343538497 | 0 |
| 199.74.89.66 | 3343538498 | 0 |
| 199.74.89.67 | 3343538499 | 0 |
| 199.74.89.68 | 3343538500 | 0 |
| 199.74.89.69 | 3343538501 | 0 |
| 199.74.89.70 | 3343538502 | 0 |
| 199.74.89.71 | 3343538503 | 0 |
| 199.74.89.72 | 3343538504 | 0 |
| 199.74.89.73 | 3343538505 | 0 |
| 199.74.89.74 | 3343538506 | 0 |
| 199.74.89.75 | 3343538507 | 0 |
| 199.74.89.76 | 3343538508 | 0 |
| 199.74.89.77 | 3343538509 | 0 |
| 199.74.89.78 | 3343538510 | 0 |
| 199.74.89.79 | 3343538511 | 0 |
| 199.74.89.80 | 3343538512 | 0 |
| 199.74.89.81 | 3343538513 | 0 |
| 199.74.89.82 | 3343538514 | 0 |
| 199.74.89.83 | 3343538515 | 0 |
| 199.74.89.84 | 3343538516 | 0 |
| 199.74.89.85 | 3343538517 | 0 |