The IP address 128.2.131 is provided by Carnegie Mellon University, it's belong to the CDIR (Classless Inter-Domain Routing) 128.2.0.0/16 (range 128.2.0.0 to 128.2.255.255). The autonomous system number (ASN) is 9.
| ASN | 9 |
| IP starting by | 128.2.0.0 |
| IP ending by | 128.2.255.255 |
| ASN Name | Carnegie Mellon University |
| CDIR | 128.2.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 06/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Bloomfield | 40.4609 | -79.9509 | 2017-07-06 |
| MaxMind | US | United States | - | Pittsburgh | 40.4439 | -79.9561 | 2017-07-06 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 128.2.131.0 | 2147648256 | 0 |
| 128.2.131.1 | 2147648257 | 0 |
| 128.2.131.2 | 2147648258 | 0 |
| 128.2.131.3 | 2147648259 | 0 |
| 128.2.131.4 | 2147648260 | 0 |
| 128.2.131.5 | 2147648261 | 0 |
| 128.2.131.6 | 2147648262 | 0 |
| 128.2.131.7 | 2147648263 | 0 |
| 128.2.131.8 | 2147648264 | 0 |
| 128.2.131.9 | 2147648265 | 0 |
| 128.2.131.10 | 2147648266 | 0 |
| 128.2.131.11 | 2147648267 | 0 |
| 128.2.131.12 | 2147648268 | 0 |
| 128.2.131.13 | 2147648269 | 0 |
| 128.2.131.14 | 2147648270 | 0 |
| 128.2.131.15 | 2147648271 | 0 |
| 128.2.131.16 | 2147648272 | 0 |
| 128.2.131.17 | 2147648273 | 0 |
| 128.2.131.18 | 2147648274 | 0 |
| 128.2.131.19 | 2147648275 | 0 |
| 128.2.131.20 | 2147648276 | 0 |
| 128.2.131.21 | 2147648277 | 0 |
| 128.2.131.22 | 2147648278 | 0 |
| 128.2.131.23 | 2147648279 | 0 |
| 128.2.131.24 | 2147648280 | 0 |
| 128.2.131.25 | 2147648281 | 0 |
| 128.2.131.26 | 2147648282 | 0 |
| 128.2.131.27 | 2147648283 | 0 |
| 128.2.131.28 | 2147648284 | 0 |
| 128.2.131.29 | 2147648285 | 0 |
| 128.2.131.30 | 2147648286 | 0 |
| 128.2.131.31 | 2147648287 | 0 |
| 128.2.131.32 | 2147648288 | 0 |
| 128.2.131.33 | 2147648289 | 0 |
| 128.2.131.34 | 2147648290 | 0 |
| 128.2.131.35 | 2147648291 | 0 |
| 128.2.131.36 | 2147648292 | 0 |
| 128.2.131.37 | 2147648293 | 0 |
| 128.2.131.38 | 2147648294 | 0 |
| 128.2.131.39 | 2147648295 | 0 |
| 128.2.131.40 | 2147648296 | 0 |
| 128.2.131.41 | 2147648297 | 0 |
| 128.2.131.42 | 2147648298 | 0 |
| 128.2.131.43 | 2147648299 | 0 |
| 128.2.131.44 | 2147648300 | 0 |
| 128.2.131.45 | 2147648301 | 0 |
| 128.2.131.46 | 2147648302 | 0 |
| 128.2.131.47 | 2147648303 | 0 |
| 128.2.131.48 | 2147648304 | 0 |
| 128.2.131.49 | 2147648305 | 0 |
| 128.2.131.50 | 2147648306 | 0 |
| 128.2.131.51 | 2147648307 | 0 |
| 128.2.131.52 | 2147648308 | 0 |
| 128.2.131.53 | 2147648309 | 0 |
| 128.2.131.54 | 2147648310 | 0 |
| 128.2.131.55 | 2147648311 | 0 |
| 128.2.131.56 | 2147648312 | 0 |
| 128.2.131.57 | 2147648313 | 0 |
| 128.2.131.58 | 2147648314 | 0 |
| 128.2.131.59 | 2147648315 | 0 |
| 128.2.131.60 | 2147648316 | 0 |
| 128.2.131.61 | 2147648317 | 0 |
| 128.2.131.62 | 2147648318 | 0 |
| 128.2.131.63 | 2147648319 | 0 |
| 128.2.131.64 | 2147648320 | 0 |
| 128.2.131.65 | 2147648321 | 0 |
| 128.2.131.66 | 2147648322 | 0 |
| 128.2.131.67 | 2147648323 | 0 |
| 128.2.131.68 | 2147648324 | 0 |
| 128.2.131.69 | 2147648325 | 0 |
| 128.2.131.70 | 2147648326 | 0 |
| 128.2.131.71 | 2147648327 | 0 |
| 128.2.131.72 | 2147648328 | 0 |
| 128.2.131.73 | 2147648329 | 0 |
| 128.2.131.74 | 2147648330 | 0 |
| 128.2.131.75 | 2147648331 | 0 |
| 128.2.131.76 | 2147648332 | 0 |
| 128.2.131.77 | 2147648333 | 0 |
| 128.2.131.78 | 2147648334 | 0 |
| 128.2.131.79 | 2147648335 | 0 |
| 128.2.131.80 | 2147648336 | 0 |
| 128.2.131.81 | 2147648337 | 0 |
| 128.2.131.82 | 2147648338 | 0 |
| 128.2.131.83 | 2147648339 | 0 |
| 128.2.131.84 | 2147648340 | 0 |
| 128.2.131.85 | 2147648341 | 0 |