The IP address 128.31.43 is provided by Massachusetts Institute of Technology, it's belong to the CDIR (Classless Inter-Domain Routing) 128.30.0.0/15 (range 128.30.0.0 to 128.31.255.255). The autonomous system number (ASN) is 3.
| ASN | 3 |
| IP starting by | 128.30.0.0 |
| IP ending by | 128.31.255.255 |
| ASN Name | Massachusetts Institute of Technology |
| CDIR | 128.30.0.0/15 |
| Numerical IP | |
| Registry | arin |
| Last update | 18/05/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Berkeley | 37.8692 | -122.2564 | 2019-05-17 |
| MaxMind | US | United States | - | Berkeley | 37.8668 | -122.2536 | 2019-05-17 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 128.31.43.0 | 2149526272 | 0 |
| 128.31.43.1 | 2149526273 | 0 |
| 128.31.43.2 | 2149526274 | 0 |
| 128.31.43.3 | 2149526275 | 0 |
| 128.31.43.4 | 2149526276 | 0 |
| 128.31.43.5 | 2149526277 | 0 |
| 128.31.43.6 | 2149526278 | 0 |
| 128.31.43.7 | 2149526279 | 0 |
| 128.31.43.8 | 2149526280 | 0 |
| 128.31.43.9 | 2149526281 | 0 |
| 128.31.43.10 | 2149526282 | 0 |
| 128.31.43.11 | 2149526283 | 0 |
| 128.31.43.12 | 2149526284 | 0 |
| 128.31.43.13 | 2149526285 | 0 |
| 128.31.43.14 | 2149526286 | 0 |
| 128.31.43.15 | 2149526287 | 0 |
| 128.31.43.16 | 2149526288 | 0 |
| 128.31.43.17 | 2149526289 | 0 |
| 128.31.43.18 | 2149526290 | 0 |
| 128.31.43.19 | 2149526291 | 0 |
| 128.31.43.20 | 2149526292 | 0 |
| 128.31.43.21 | 2149526293 | 0 |
| 128.31.43.22 | 2149526294 | 0 |
| 128.31.43.23 | 2149526295 | 0 |
| 128.31.43.24 | 2149526296 | 0 |
| 128.31.43.25 | 2149526297 | 0 |
| 128.31.43.26 | 2149526298 | 0 |
| 128.31.43.27 | 2149526299 | 0 |
| 128.31.43.28 | 2149526300 | 0 |
| 128.31.43.29 | 2149526301 | 0 |
| 128.31.43.30 | 2149526302 | 0 |
| 128.31.43.31 | 2149526303 | 0 |
| 128.31.43.32 | 2149526304 | 0 |
| 128.31.43.33 | 2149526305 | 0 |
| 128.31.43.34 | 2149526306 | 0 |
| 128.31.43.35 | 2149526307 | 0 |
| 128.31.43.36 | 2149526308 | 0 |
| 128.31.43.37 | 2149526309 | 0 |
| 128.31.43.38 | 2149526310 | 0 |
| 128.31.43.39 | 2149526311 | 0 |
| 128.31.43.40 | 2149526312 | 0 |
| 128.31.43.41 | 2149526313 | 0 |
| 128.31.43.42 | 2149526314 | 0 |
| 128.31.43.43 | 2149526315 | 0 |
| 128.31.43.44 | 2149526316 | 0 |
| 128.31.43.45 | 2149526317 | 0 |
| 128.31.43.46 | 2149526318 | 0 |
| 128.31.43.47 | 2149526319 | 0 |
| 128.31.43.48 | 2149526320 | 0 |
| 128.31.43.49 | 2149526321 | 0 |
| 128.31.43.50 | 2149526322 | 0 |
| 128.31.43.51 | 2149526323 | 0 |
| 128.31.43.52 | 2149526324 | 0 |
| 128.31.43.53 | 2149526325 | 0 |
| 128.31.43.54 | 2149526326 | 0 |
| 128.31.43.55 | 2149526327 | 0 |
| 128.31.43.56 | 2149526328 | 0 |
| 128.31.43.57 | 2149526329 | 0 |
| 128.31.43.58 | 2149526330 | 0 |
| 128.31.43.59 | 2149526331 | 0 |
| 128.31.43.60 | 2149526332 | 0 |
| 128.31.43.61 | 2149526333 | 0 |
| 128.31.43.62 | 2149526334 | 0 |
| 128.31.43.63 | 2149526335 | 0 |
| 128.31.43.64 | 2149526336 | 0 |
| 128.31.43.65 | 2149526337 | 0 |
| 128.31.43.66 | 2149526338 | 0 |
| 128.31.43.67 | 2149526339 | 0 |
| 128.31.43.68 | 2149526340 | 0 |
| 128.31.43.69 | 2149526341 | 0 |
| 128.31.43.70 | 2149526342 | 0 |
| 128.31.43.71 | 2149526343 | 0 |
| 128.31.43.72 | 2149526344 | 0 |
| 128.31.43.73 | 2149526345 | 0 |
| 128.31.43.74 | 2149526346 | 0 |
| 128.31.43.75 | 2149526347 | 0 |
| 128.31.43.76 | 2149526348 | 0 |
| 128.31.43.77 | 2149526349 | 0 |
| 128.31.43.78 | 2149526350 | 0 |
| 128.31.43.79 | 2149526351 | 0 |
| 128.31.43.80 | 2149526352 | 0 |
| 128.31.43.81 | 2149526353 | 0 |
| 128.31.43.82 | 2149526354 | 0 |
| 128.31.43.83 | 2149526355 | 0 |
| 128.31.43.84 | 2149526356 | 0 |
| 128.31.43.85 | 2149526357 | 0 |