Les adresses IP débutant par 18.99.49 sont fournies par Massachusetts Institute of Technology, elles appartiennent au CIDR (Classless Inter-Domain Routing) 18.0.0.0/8, le bloc IP comprant les adresses de 18.0.0.0 à 18.255.255.255). Le numéro de système autonome (ASN) est 3.
| ASN | 3 |
| IP commençant par | 18.0.0.0 |
| IP se terminant par | 18.255.255.255 |
| Nom ASN | Massachusetts Institute of Technology |
| CDIR | 18.0.0.0/8 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 29/12/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Cambridge | 42,3651 | -71,1045 | 2017-12-28 |
| MaxMind | US | États-Unis | - | Cambridge | 42,3646 | -71,1028 | 2017-12-28 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 18.99.49.0 | 308490496 | 0 |
| 18.99.49.1 | 308490497 | 0 |
| 18.99.49.2 | 308490498 | 0 |
| 18.99.49.3 | 308490499 | 0 |
| 18.99.49.4 | 308490500 | 0 |
| 18.99.49.5 | 308490501 | 0 |
| 18.99.49.6 | 308490502 | 0 |
| 18.99.49.7 | 308490503 | 0 |
| 18.99.49.8 | 308490504 | 0 |
| 18.99.49.9 | 308490505 | 0 |
| 18.99.49.10 | 308490506 | 0 |
| 18.99.49.11 | 308490507 | 0 |
| 18.99.49.12 | 308490508 | 0 |
| 18.99.49.13 | 308490509 | 0 |
| 18.99.49.14 | 308490510 | 0 |
| 18.99.49.15 | 308490511 | 0 |
| 18.99.49.16 | 308490512 | 0 |
| 18.99.49.17 | 308490513 | 0 |
| 18.99.49.18 | 308490514 | 0 |
| 18.99.49.19 | 308490515 | 0 |
| 18.99.49.20 | 308490516 | 0 |
| 18.99.49.21 | 308490517 | 0 |
| 18.99.49.22 | 308490518 | 0 |
| 18.99.49.23 | 308490519 | 0 |
| 18.99.49.24 | 308490520 | 0 |
| 18.99.49.25 | 308490521 | 0 |
| 18.99.49.26 | 308490522 | 0 |
| 18.99.49.27 | 308490523 | 0 |
| 18.99.49.28 | 308490524 | 0 |
| 18.99.49.29 | 308490525 | 0 |
| 18.99.49.30 | 308490526 | 0 |
| 18.99.49.31 | 308490527 | 0 |
| 18.99.49.32 | 308490528 | 0 |
| 18.99.49.33 | 308490529 | 0 |
| 18.99.49.34 | 308490530 | 0 |
| 18.99.49.35 | 308490531 | 0 |
| 18.99.49.36 | 308490532 | 0 |
| 18.99.49.37 | 308490533 | 0 |
| 18.99.49.38 | 308490534 | 0 |
| 18.99.49.39 | 308490535 | 0 |
| 18.99.49.40 | 308490536 | 0 |
| 18.99.49.41 | 308490537 | 0 |
| 18.99.49.42 | 308490538 | 0 |
| 18.99.49.43 | 308490539 | 0 |
| 18.99.49.44 | 308490540 | 0 |
| 18.99.49.45 | 308490541 | 0 |
| 18.99.49.46 | 308490542 | 0 |
| 18.99.49.47 | 308490543 | 0 |
| 18.99.49.48 | 308490544 | 0 |
| 18.99.49.49 | 308490545 | 0 |
| 18.99.49.50 | 308490546 | 0 |
| 18.99.49.51 | 308490547 | 0 |
| 18.99.49.52 | 308490548 | 0 |
| 18.99.49.53 | 308490549 | 0 |
| 18.99.49.54 | 308490550 | 0 |
| 18.99.49.55 | 308490551 | 0 |
| 18.99.49.56 | 308490552 | 0 |
| 18.99.49.57 | 308490553 | 0 |
| 18.99.49.58 | 308490554 | 0 |
| 18.99.49.59 | 308490555 | 0 |
| 18.99.49.60 | 308490556 | 0 |
| 18.99.49.61 | 308490557 | 0 |
| 18.99.49.62 | 308490558 | 0 |
| 18.99.49.63 | 308490559 | 0 |
| 18.99.49.64 | 308490560 | 0 |
| 18.99.49.65 | 308490561 | 0 |
| 18.99.49.66 | 308490562 | 0 |
| 18.99.49.67 | 308490563 | 0 |
| 18.99.49.68 | 308490564 | 0 |
| 18.99.49.69 | 308490565 | 0 |
| 18.99.49.70 | 308490566 | 0 |
| 18.99.49.71 | 308490567 | 0 |
| 18.99.49.72 | 308490568 | 0 |
| 18.99.49.73 | 308490569 | 0 |
| 18.99.49.74 | 308490570 | 0 |
| 18.99.49.75 | 308490571 | 0 |
| 18.99.49.76 | 308490572 | 0 |
| 18.99.49.77 | 308490573 | 0 |
| 18.99.49.78 | 308490574 | 0 |
| 18.99.49.79 | 308490575 | 0 |
| 18.99.49.80 | 308490576 | 0 |
| 18.99.49.81 | 308490577 | 0 |
| 18.99.49.82 | 308490578 | 0 |
| 18.99.49.83 | 308490579 | 0 |
| 18.99.49.84 | 308490580 | 0 |
| 18.99.49.85 | 308490581 | 0 |