Les adresses IP débutant par 199.74.80 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 | 06/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Chicago | 41,85 | -87,6501 | 2017-07-05 |
| MaxMind | US | États-Unis | - | Evanston | 42,0586 | -87,6845 | 2017-07-05 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 199.74.80.0 | 3343536128 | 0 |
| 199.74.80.1 | 3343536129 | 0 |
| 199.74.80.2 | 3343536130 | 0 |
| 199.74.80.3 | 3343536131 | 0 |
| 199.74.80.4 | 3343536132 | 0 |
| 199.74.80.5 | 3343536133 | 0 |
| 199.74.80.6 | 3343536134 | 0 |
| 199.74.80.7 | 3343536135 | 0 |
| 199.74.80.8 | 3343536136 | 0 |
| 199.74.80.9 | 3343536137 | 0 |
| 199.74.80.10 | 3343536138 | 0 |
| 199.74.80.11 | 3343536139 | 0 |
| 199.74.80.12 | 3343536140 | 0 |
| 199.74.80.13 | 3343536141 | 0 |
| 199.74.80.14 | 3343536142 | 0 |
| 199.74.80.15 | 3343536143 | 0 |
| 199.74.80.16 | 3343536144 | 0 |
| 199.74.80.17 | 3343536145 | 0 |
| 199.74.80.18 | 3343536146 | 0 |
| 199.74.80.19 | 3343536147 | 0 |
| 199.74.80.20 | 3343536148 | 0 |
| 199.74.80.21 | 3343536149 | 0 |
| 199.74.80.22 | 3343536150 | 0 |
| 199.74.80.23 | 3343536151 | 0 |
| 199.74.80.24 | 3343536152 | 0 |
| 199.74.80.25 | 3343536153 | 0 |
| 199.74.80.26 | 3343536154 | 0 |
| 199.74.80.27 | 3343536155 | 0 |
| 199.74.80.28 | 3343536156 | 0 |
| 199.74.80.29 | 3343536157 | 0 |
| 199.74.80.30 | 3343536158 | 0 |
| 199.74.80.31 | 3343536159 | 0 |
| 199.74.80.32 | 3343536160 | 0 |
| 199.74.80.33 | 3343536161 | 0 |
| 199.74.80.34 | 3343536162 | 0 |
| 199.74.80.35 | 3343536163 | 0 |
| 199.74.80.36 | 3343536164 | 0 |
| 199.74.80.37 | 3343536165 | 0 |
| 199.74.80.38 | 3343536166 | 0 |
| 199.74.80.39 | 3343536167 | 0 |
| 199.74.80.40 | 3343536168 | 0 |
| 199.74.80.41 | 3343536169 | 0 |
| 199.74.80.42 | 3343536170 | 0 |
| 199.74.80.43 | 3343536171 | 0 |
| 199.74.80.44 | 3343536172 | 0 |
| 199.74.80.45 | 3343536173 | 0 |
| 199.74.80.46 | 3343536174 | 0 |
| 199.74.80.47 | 3343536175 | 0 |
| 199.74.80.48 | 3343536176 | 0 |
| 199.74.80.49 | 3343536177 | 0 |
| 199.74.80.50 | 3343536178 | 0 |
| 199.74.80.51 | 3343536179 | 0 |
| 199.74.80.52 | 3343536180 | 0 |
| 199.74.80.53 | 3343536181 | 0 |
| 199.74.80.54 | 3343536182 | 0 |
| 199.74.80.55 | 3343536183 | 0 |
| 199.74.80.56 | 3343536184 | 0 |
| 199.74.80.57 | 3343536185 | 0 |
| 199.74.80.58 | 3343536186 | 0 |
| 199.74.80.59 | 3343536187 | 0 |
| 199.74.80.60 | 3343536188 | 0 |
| 199.74.80.61 | 3343536189 | 0 |
| 199.74.80.62 | 3343536190 | 0 |
| 199.74.80.63 | 3343536191 | 0 |
| 199.74.80.64 | 3343536192 | 0 |
| 199.74.80.65 | 3343536193 | 0 |
| 199.74.80.66 | 3343536194 | 0 |
| 199.74.80.67 | 3343536195 | 0 |
| 199.74.80.68 | 3343536196 | 0 |
| 199.74.80.69 | 3343536197 | 0 |
| 199.74.80.70 | 3343536198 | 0 |
| 199.74.80.71 | 3343536199 | 0 |
| 199.74.80.72 | 3343536200 | 0 |
| 199.74.80.73 | 3343536201 | 0 |
| 199.74.80.74 | 3343536202 | 0 |
| 199.74.80.75 | 3343536203 | 0 |
| 199.74.80.76 | 3343536204 | 0 |
| 199.74.80.77 | 3343536205 | 0 |
| 199.74.80.78 | 3343536206 | 0 |
| 199.74.80.79 | 3343536207 | 0 |
| 199.74.80.80 | 3343536208 | 0 |
| 199.74.80.81 | 3343536209 | 0 |
| 199.74.80.82 | 3343536210 | 0 |
| 199.74.80.83 | 3343536211 | 0 |
| 199.74.80.84 | 3343536212 | 0 |
| 199.74.80.85 | 3343536213 | 0 |