The IP address 18.91.49 is provided by Massachusetts Institute of Technology, it's belong to the CDIR (Classless Inter-Domain Routing) 18.0.0.0/8 (range 18.0.0.0 to 18.255.255.255). The autonomous system number (ASN) is 3.
| ASN | 3 |
| IP starting by | 18.0.0.0 |
| IP ending by | 18.255.255.255 |
| ASN Name | Massachusetts Institute of Technology |
| CDIR | 18.0.0.0/8 |
| Numerical IP | |
| Registry | arin |
| Last update | 07/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Cambridge | 42.3651 | -71.1045 | 2017-08-07 |
| MaxMind | US | United States | - | Cambridge | 42.3646 | -71.1028 | 2017-08-07 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 18.91.49.0 | 307966208 | 0 |
| 18.91.49.1 | 307966209 | 0 |
| 18.91.49.2 | 307966210 | 0 |
| 18.91.49.3 | 307966211 | 0 |
| 18.91.49.4 | 307966212 | 0 |
| 18.91.49.5 | 307966213 | 0 |
| 18.91.49.6 | 307966214 | 0 |
| 18.91.49.7 | 307966215 | 0 |
| 18.91.49.8 | 307966216 | 0 |
| 18.91.49.9 | 307966217 | 0 |
| 18.91.49.10 | 307966218 | 0 |
| 18.91.49.11 | 307966219 | 0 |
| 18.91.49.12 | 307966220 | 0 |
| 18.91.49.13 | 307966221 | 0 |
| 18.91.49.14 | 307966222 | 0 |
| 18.91.49.15 | 307966223 | 0 |
| 18.91.49.16 | 307966224 | 0 |
| 18.91.49.17 | 307966225 | 0 |
| 18.91.49.18 | 307966226 | 0 |
| 18.91.49.19 | 307966227 | 0 |
| 18.91.49.20 | 307966228 | 0 |
| 18.91.49.21 | 307966229 | 0 |
| 18.91.49.22 | 307966230 | 0 |
| 18.91.49.23 | 307966231 | 0 |
| 18.91.49.24 | 307966232 | 0 |
| 18.91.49.25 | 307966233 | 0 |
| 18.91.49.26 | 307966234 | 0 |
| 18.91.49.27 | 307966235 | 0 |
| 18.91.49.28 | 307966236 | 0 |
| 18.91.49.29 | 307966237 | 0 |
| 18.91.49.30 | 307966238 | 0 |
| 18.91.49.31 | 307966239 | 0 |
| 18.91.49.32 | 307966240 | 0 |
| 18.91.49.33 | 307966241 | 0 |
| 18.91.49.34 | 307966242 | 0 |
| 18.91.49.35 | 307966243 | 0 |
| 18.91.49.36 | 307966244 | 0 |
| 18.91.49.37 | 307966245 | 0 |
| 18.91.49.38 | 307966246 | 0 |
| 18.91.49.39 | 307966247 | 0 |
| 18.91.49.40 | 307966248 | 0 |
| 18.91.49.41 | 307966249 | 0 |
| 18.91.49.42 | 307966250 | 0 |
| 18.91.49.43 | 307966251 | 0 |
| 18.91.49.44 | 307966252 | 0 |
| 18.91.49.45 | 307966253 | 0 |
| 18.91.49.46 | 307966254 | 0 |
| 18.91.49.47 | 307966255 | 0 |
| 18.91.49.48 | 307966256 | 0 |
| 18.91.49.49 | 307966257 | 0 |
| 18.91.49.50 | 307966258 | 0 |
| 18.91.49.51 | 307966259 | 0 |
| 18.91.49.52 | 307966260 | 0 |
| 18.91.49.53 | 307966261 | 0 |
| 18.91.49.54 | 307966262 | 0 |
| 18.91.49.55 | 307966263 | 0 |
| 18.91.49.56 | 307966264 | 0 |
| 18.91.49.57 | 307966265 | 0 |
| 18.91.49.58 | 307966266 | 0 |
| 18.91.49.59 | 307966267 | 0 |
| 18.91.49.60 | 307966268 | 0 |
| 18.91.49.61 | 307966269 | 0 |
| 18.91.49.62 | 307966270 | 0 |
| 18.91.49.63 | 307966271 | 0 |
| 18.91.49.64 | 307966272 | 0 |
| 18.91.49.65 | 307966273 | 0 |
| 18.91.49.66 | 307966274 | 0 |
| 18.91.49.67 | 307966275 | 0 |
| 18.91.49.68 | 307966276 | 0 |
| 18.91.49.69 | 307966277 | 0 |
| 18.91.49.70 | 307966278 | 0 |
| 18.91.49.71 | 307966279 | 0 |
| 18.91.49.72 | 307966280 | 0 |
| 18.91.49.73 | 307966281 | 0 |
| 18.91.49.74 | 307966282 | 0 |
| 18.91.49.75 | 307966283 | 0 |
| 18.91.49.76 | 307966284 | 0 |
| 18.91.49.77 | 307966285 | 0 |
| 18.91.49.78 | 307966286 | 0 |
| 18.91.49.79 | 307966287 | 0 |
| 18.91.49.80 | 307966288 | 0 |
| 18.91.49.81 | 307966289 | 0 |
| 18.91.49.82 | 307966290 | 0 |
| 18.91.49.83 | 307966291 | 0 |
| 18.91.49.84 | 307966292 | 0 |
| 18.91.49.85 | 307966293 | 0 |