L'indirizzo IP 18.99.99 è fornito da Massachusetts Institute of Technology, che è di proprietà del CIDR (Classless Inter-Domain Routing) 18.0.0.0/8, IP tra 18.0.0.0 a 18.255.255.255 ). Il numero di sistema autonomo (ASN) è 3.
| ASN | 3 |
| IP inizia con | 18.0.0.0 |
| IP finale con | 18.255.255.255 |
| ASN Nome | Massachusetts Institute of Technology |
| CDIR | 18.0.0.0/8 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 22/10/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Cambridge | 42,3651 | -71,1045 | 2017-10-21 |
| MaxMind | US | United States | - | Cambridge | 42,3646 | -71,1028 | 2017-10-21 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 18.99.99.0 | 308503296 | 0 |
| 18.99.99.1 | 308503297 | 0 |
| 18.99.99.2 | 308503298 | 0 |
| 18.99.99.3 | 308503299 | 0 |
| 18.99.99.4 | 308503300 | 0 |
| 18.99.99.5 | 308503301 | 0 |
| 18.99.99.6 | 308503302 | 0 |
| 18.99.99.7 | 308503303 | 0 |
| 18.99.99.8 | 308503304 | 0 |
| 18.99.99.9 | 308503305 | 0 |
| 18.99.99.10 | 308503306 | 0 |
| 18.99.99.11 | 308503307 | 0 |
| 18.99.99.12 | 308503308 | 0 |
| 18.99.99.13 | 308503309 | 0 |
| 18.99.99.14 | 308503310 | 0 |
| 18.99.99.15 | 308503311 | 0 |
| 18.99.99.16 | 308503312 | 0 |
| 18.99.99.17 | 308503313 | 0 |
| 18.99.99.18 | 308503314 | 0 |
| 18.99.99.19 | 308503315 | 0 |
| 18.99.99.20 | 308503316 | 0 |
| 18.99.99.21 | 308503317 | 0 |
| 18.99.99.22 | 308503318 | 0 |
| 18.99.99.23 | 308503319 | 0 |
| 18.99.99.24 | 308503320 | 0 |
| 18.99.99.25 | 308503321 | 0 |
| 18.99.99.26 | 308503322 | 0 |
| 18.99.99.27 | 308503323 | 0 |
| 18.99.99.28 | 308503324 | 0 |
| 18.99.99.29 | 308503325 | 0 |
| 18.99.99.30 | 308503326 | 0 |
| 18.99.99.31 | 308503327 | 0 |
| 18.99.99.32 | 308503328 | 0 |
| 18.99.99.33 | 308503329 | 0 |
| 18.99.99.34 | 308503330 | 0 |
| 18.99.99.35 | 308503331 | 0 |
| 18.99.99.36 | 308503332 | 0 |
| 18.99.99.37 | 308503333 | 0 |
| 18.99.99.38 | 308503334 | 0 |
| 18.99.99.39 | 308503335 | 0 |
| 18.99.99.40 | 308503336 | 0 |
| 18.99.99.41 | 308503337 | 0 |
| 18.99.99.42 | 308503338 | 0 |
| 18.99.99.43 | 308503339 | 0 |
| 18.99.99.44 | 308503340 | 0 |
| 18.99.99.45 | 308503341 | 0 |
| 18.99.99.46 | 308503342 | 0 |
| 18.99.99.47 | 308503343 | 0 |
| 18.99.99.48 | 308503344 | 0 |
| 18.99.99.49 | 308503345 | 0 |
| 18.99.99.50 | 308503346 | 0 |
| 18.99.99.51 | 308503347 | 0 |
| 18.99.99.52 | 308503348 | 0 |
| 18.99.99.53 | 308503349 | 0 |
| 18.99.99.54 | 308503350 | 0 |
| 18.99.99.55 | 308503351 | 0 |
| 18.99.99.56 | 308503352 | 0 |
| 18.99.99.57 | 308503353 | 0 |
| 18.99.99.58 | 308503354 | 0 |
| 18.99.99.59 | 308503355 | 0 |
| 18.99.99.60 | 308503356 | 0 |
| 18.99.99.61 | 308503357 | 0 |
| 18.99.99.62 | 308503358 | 0 |
| 18.99.99.63 | 308503359 | 0 |
| 18.99.99.64 | 308503360 | 0 |
| 18.99.99.65 | 308503361 | 0 |
| 18.99.99.66 | 308503362 | 0 |
| 18.99.99.67 | 308503363 | 0 |
| 18.99.99.68 | 308503364 | 0 |
| 18.99.99.69 | 308503365 | 0 |
| 18.99.99.70 | 308503366 | 0 |
| 18.99.99.71 | 308503367 | 0 |
| 18.99.99.72 | 308503368 | 0 |
| 18.99.99.73 | 308503369 | 0 |
| 18.99.99.74 | 308503370 | 0 |
| 18.99.99.75 | 308503371 | 0 |
| 18.99.99.76 | 308503372 | 0 |
| 18.99.99.77 | 308503373 | 0 |
| 18.99.99.78 | 308503374 | 0 |
| 18.99.99.79 | 308503375 | 0 |
| 18.99.99.80 | 308503376 | 0 |
| 18.99.99.81 | 308503377 | 0 |
| 18.99.99.82 | 308503378 | 0 |
| 18.99.99.83 | 308503379 | 0 |
| 18.99.99.84 | 308503380 | 0 |
| 18.99.99.85 | 308503381 | 0 |