L'indirizzo IP 11.87.91 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, IP tra 12.0.0.0 a 12.255.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 12.0.0.0 |
| IP finale con | 12.255.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 22/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-07-22 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-07-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 11.87.91.0 | 190274304 | 0 |
| 11.87.91.1 | 190274305 | 0 |
| 11.87.91.2 | 190274306 | 0 |
| 11.87.91.3 | 190274307 | 0 |
| 11.87.91.4 | 190274308 | 0 |
| 11.87.91.5 | 190274309 | 0 |
| 11.87.91.6 | 190274310 | 0 |
| 11.87.91.7 | 190274311 | 0 |
| 11.87.91.8 | 190274312 | 0 |
| 11.87.91.9 | 190274313 | 0 |
| 11.87.91.10 | 190274314 | 0 |
| 11.87.91.11 | 190274315 | 0 |
| 11.87.91.12 | 190274316 | 0 |
| 11.87.91.13 | 190274317 | 0 |
| 11.87.91.14 | 190274318 | 0 |
| 11.87.91.15 | 190274319 | 0 |
| 11.87.91.16 | 190274320 | 0 |
| 11.87.91.17 | 190274321 | 0 |
| 11.87.91.18 | 190274322 | 0 |
| 11.87.91.19 | 190274323 | 0 |
| 11.87.91.20 | 190274324 | 0 |
| 11.87.91.21 | 190274325 | 0 |
| 11.87.91.22 | 190274326 | 0 |
| 11.87.91.23 | 190274327 | 0 |
| 11.87.91.24 | 190274328 | 0 |
| 11.87.91.25 | 190274329 | 0 |
| 11.87.91.26 | 190274330 | 0 |
| 11.87.91.27 | 190274331 | 0 |
| 11.87.91.28 | 190274332 | 0 |
| 11.87.91.29 | 190274333 | 0 |
| 11.87.91.30 | 190274334 | 0 |
| 11.87.91.31 | 190274335 | 0 |
| 11.87.91.32 | 190274336 | 0 |
| 11.87.91.33 | 190274337 | 0 |
| 11.87.91.34 | 190274338 | 0 |
| 11.87.91.35 | 190274339 | 0 |
| 11.87.91.36 | 190274340 | 0 |
| 11.87.91.37 | 190274341 | 0 |
| 11.87.91.38 | 190274342 | 0 |
| 11.87.91.39 | 190274343 | 0 |
| 11.87.91.40 | 190274344 | 0 |
| 11.87.91.41 | 190274345 | 0 |
| 11.87.91.42 | 190274346 | 0 |
| 11.87.91.43 | 190274347 | 0 |
| 11.87.91.44 | 190274348 | 0 |
| 11.87.91.45 | 190274349 | 0 |
| 11.87.91.46 | 190274350 | 0 |
| 11.87.91.47 | 190274351 | 0 |
| 11.87.91.48 | 190274352 | 0 |
| 11.87.91.49 | 190274353 | 0 |
| 11.87.91.50 | 190274354 | 0 |
| 11.87.91.51 | 190274355 | 0 |
| 11.87.91.52 | 190274356 | 0 |
| 11.87.91.53 | 190274357 | 0 |
| 11.87.91.54 | 190274358 | 0 |
| 11.87.91.55 | 190274359 | 0 |
| 11.87.91.56 | 190274360 | 0 |
| 11.87.91.57 | 190274361 | 0 |
| 11.87.91.58 | 190274362 | 0 |
| 11.87.91.59 | 190274363 | 0 |
| 11.87.91.60 | 190274364 | 0 |
| 11.87.91.61 | 190274365 | 0 |
| 11.87.91.62 | 190274366 | 0 |
| 11.87.91.63 | 190274367 | 0 |
| 11.87.91.64 | 190274368 | 0 |
| 11.87.91.65 | 190274369 | 0 |
| 11.87.91.66 | 190274370 | 0 |
| 11.87.91.67 | 190274371 | 0 |
| 11.87.91.68 | 190274372 | 0 |
| 11.87.91.69 | 190274373 | 0 |
| 11.87.91.70 | 190274374 | 0 |
| 11.87.91.71 | 190274375 | 0 |
| 11.87.91.72 | 190274376 | 0 |
| 11.87.91.73 | 190274377 | 0 |
| 11.87.91.74 | 190274378 | 0 |
| 11.87.91.75 | 190274379 | 0 |
| 11.87.91.76 | 190274380 | 0 |
| 11.87.91.77 | 190274381 | 0 |
| 11.87.91.78 | 190274382 | 0 |
| 11.87.91.79 | 190274383 | 0 |
| 11.87.91.80 | 190274384 | 0 |
| 11.87.91.81 | 190274385 | 0 |
| 11.87.91.82 | 190274386 | 0 |
| 11.87.91.83 | 190274387 | 0 |
| 11.87.91.84 | 190274388 | 0 |
| 11.87.91.85 | 190274389 | 0 |