Les adresses IP débutant par 187.31.29 sont fournies par Oi Internet S/A, elles appartiennent au CIDR (Classless Inter-Domain Routing) 187.31.0.0/16, le bloc IP comprant les adresses de 187.31.0.0 à 187.31.255.255). Le numéro de système autonome (ASN) est 14571.
| ASN | 14571 |
| IP commençant par | 187.31.0.0 |
| IP se terminant par | 187.31.255.255 |
| Nom ASN | Oi Internet S/A |
| CDIR | 187.31.0.0/16 |
| IP numérique | |
| Registe | lacnic |
| Dernière mise à jour | 03/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | BR | Brésil | - | Sao Paulo | -23,5475 | -46,6361 | 2017-07-03 |
| MaxMind | BR | Brésil | - | - | -22,8305 | -43,2192 | 2017-07-03 |
| Whois | BR | - | - | - | -52 | -14 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 187.31.29.0 | 3139378432 | 0 |
| 187.31.29.1 | 3139378433 | 0 |
| 187.31.29.2 | 3139378434 | 0 |
| 187.31.29.3 | 3139378435 | 0 |
| 187.31.29.4 | 3139378436 | 0 |
| 187.31.29.5 | 3139378437 | 0 |
| 187.31.29.6 | 3139378438 | 0 |
| 187.31.29.7 | 3139378439 | 0 |
| 187.31.29.8 | 3139378440 | 0 |
| 187.31.29.9 | 3139378441 | 0 |
| 187.31.29.10 | 3139378442 | 0 |
| 187.31.29.11 | 3139378443 | 0 |
| 187.31.29.12 | 3139378444 | 0 |
| 187.31.29.13 | 3139378445 | 0 |
| 187.31.29.14 | 3139378446 | 0 |
| 187.31.29.15 | 3139378447 | 0 |
| 187.31.29.16 | 3139378448 | 0 |
| 187.31.29.17 | 3139378449 | 0 |
| 187.31.29.18 | 3139378450 | 0 |
| 187.31.29.19 | 3139378451 | 0 |
| 187.31.29.20 | 3139378452 | 0 |
| 187.31.29.21 | 3139378453 | 0 |
| 187.31.29.22 | 3139378454 | 0 |
| 187.31.29.23 | 3139378455 | 0 |
| 187.31.29.24 | 3139378456 | 0 |
| 187.31.29.25 | 3139378457 | 0 |
| 187.31.29.26 | 3139378458 | 0 |
| 187.31.29.27 | 3139378459 | 0 |
| 187.31.29.28 | 3139378460 | 0 |
| 187.31.29.29 | 3139378461 | 0 |
| 187.31.29.30 | 3139378462 | 0 |
| 187.31.29.31 | 3139378463 | 0 |
| 187.31.29.32 | 3139378464 | 0 |
| 187.31.29.33 | 3139378465 | 0 |
| 187.31.29.34 | 3139378466 | 0 |
| 187.31.29.35 | 3139378467 | 0 |
| 187.31.29.36 | 3139378468 | 0 |
| 187.31.29.37 | 3139378469 | 0 |
| 187.31.29.38 | 3139378470 | 0 |
| 187.31.29.39 | 3139378471 | 0 |
| 187.31.29.40 | 3139378472 | 0 |
| 187.31.29.41 | 3139378473 | 0 |
| 187.31.29.42 | 3139378474 | 0 |
| 187.31.29.43 | 3139378475 | 0 |
| 187.31.29.44 | 3139378476 | 0 |
| 187.31.29.45 | 3139378477 | 0 |
| 187.31.29.46 | 3139378478 | 0 |
| 187.31.29.47 | 3139378479 | 0 |
| 187.31.29.48 | 3139378480 | 0 |
| 187.31.29.49 | 3139378481 | 0 |
| 187.31.29.50 | 3139378482 | 0 |
| 187.31.29.51 | 3139378483 | 0 |
| 187.31.29.52 | 3139378484 | 0 |
| 187.31.29.53 | 3139378485 | 0 |
| 187.31.29.54 | 3139378486 | 0 |
| 187.31.29.55 | 3139378487 | 0 |
| 187.31.29.56 | 3139378488 | 0 |
| 187.31.29.57 | 3139378489 | 0 |
| 187.31.29.58 | 3139378490 | 0 |
| 187.31.29.59 | 3139378491 | 0 |
| 187.31.29.60 | 3139378492 | 0 |
| 187.31.29.61 | 3139378493 | 0 |
| 187.31.29.62 | 3139378494 | 0 |
| 187.31.29.63 | 3139378495 | 0 |
| 187.31.29.64 | 3139378496 | 0 |
| 187.31.29.65 | 3139378497 | 0 |
| 187.31.29.66 | 3139378498 | 0 |
| 187.31.29.67 | 3139378499 | 0 |
| 187.31.29.68 | 3139378500 | 0 |
| 187.31.29.69 | 3139378501 | 0 |
| 187.31.29.70 | 3139378502 | 0 |
| 187.31.29.71 | 3139378503 | 0 |
| 187.31.29.72 | 3139378504 | 0 |
| 187.31.29.73 | 3139378505 | 0 |
| 187.31.29.74 | 3139378506 | 0 |
| 187.31.29.75 | 3139378507 | 0 |
| 187.31.29.76 | 3139378508 | 0 |
| 187.31.29.77 | 3139378509 | 0 |
| 187.31.29.78 | 3139378510 | 0 |
| 187.31.29.79 | 3139378511 | 0 |
| 187.31.29.80 | 3139378512 | 0 |
| 187.31.29.81 | 3139378513 | 0 |
| 187.31.29.82 | 3139378514 | 0 |
| 187.31.29.83 | 3139378515 | 0 |
| 187.31.29.84 | 3139378516 | 0 |
| 187.31.29.85 | 3139378517 | 0 |