Les adresses IP débutant par 18.81.48 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 | |
| Dernière mise à jour | 05/01/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Cambridge | 42,3651 | -71,1045 | 2018-01-05 |
| MaxMind | US | États-Unis | - | Cambridge | 42,3646 | -71,1028 | 2018-01-05 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 18.81.48.0 | 307310592 | 0 |
| 18.81.48.1 | 307310593 | 0 |
| 18.81.48.2 | 307310594 | 0 |
| 18.81.48.3 | 307310595 | 0 |
| 18.81.48.4 | 307310596 | 0 |
| 18.81.48.5 | 307310597 | 0 |
| 18.81.48.6 | 307310598 | 0 |
| 18.81.48.7 | 307310599 | 0 |
| 18.81.48.8 | 307310600 | 0 |
| 18.81.48.9 | 307310601 | 0 |
| 18.81.48.10 | 307310602 | 0 |
| 18.81.48.11 | 307310603 | 0 |
| 18.81.48.12 | 307310604 | 0 |
| 18.81.48.13 | 307310605 | 0 |
| 18.81.48.14 | 307310606 | 0 |
| 18.81.48.15 | 307310607 | 0 |
| 18.81.48.16 | 307310608 | 0 |
| 18.81.48.17 | 307310609 | 0 |
| 18.81.48.18 | 307310610 | 0 |
| 18.81.48.19 | 307310611 | 0 |
| 18.81.48.20 | 307310612 | 0 |
| 18.81.48.21 | 307310613 | 0 |
| 18.81.48.22 | 307310614 | 0 |
| 18.81.48.23 | 307310615 | 0 |
| 18.81.48.24 | 307310616 | 0 |
| 18.81.48.25 | 307310617 | 0 |
| 18.81.48.26 | 307310618 | 0 |
| 18.81.48.27 | 307310619 | 0 |
| 18.81.48.28 | 307310620 | 0 |
| 18.81.48.29 | 307310621 | 0 |
| 18.81.48.30 | 307310622 | 0 |
| 18.81.48.31 | 307310623 | 0 |
| 18.81.48.32 | 307310624 | 0 |
| 18.81.48.33 | 307310625 | 0 |
| 18.81.48.34 | 307310626 | 0 |
| 18.81.48.35 | 307310627 | 0 |
| 18.81.48.36 | 307310628 | 0 |
| 18.81.48.37 | 307310629 | 0 |
| 18.81.48.38 | 307310630 | 0 |
| 18.81.48.39 | 307310631 | 0 |
| 18.81.48.40 | 307310632 | 0 |
| 18.81.48.41 | 307310633 | 0 |
| 18.81.48.42 | 307310634 | 0 |
| 18.81.48.43 | 307310635 | 0 |
| 18.81.48.44 | 307310636 | 0 |
| 18.81.48.45 | 307310637 | 0 |
| 18.81.48.46 | 307310638 | 0 |
| 18.81.48.47 | 307310639 | 0 |
| 18.81.48.48 | 307310640 | 0 |
| 18.81.48.49 | 307310641 | 0 |
| 18.81.48.50 | 307310642 | 0 |
| 18.81.48.51 | 307310643 | 0 |
| 18.81.48.52 | 307310644 | 0 |
| 18.81.48.53 | 307310645 | 0 |
| 18.81.48.54 | 307310646 | 0 |
| 18.81.48.55 | 307310647 | 0 |
| 18.81.48.56 | 307310648 | 0 |
| 18.81.48.57 | 307310649 | 0 |
| 18.81.48.58 | 307310650 | 0 |
| 18.81.48.59 | 307310651 | 0 |
| 18.81.48.60 | 307310652 | 0 |
| 18.81.48.61 | 307310653 | 0 |
| 18.81.48.62 | 307310654 | 0 |
| 18.81.48.63 | 307310655 | 0 |
| 18.81.48.64 | 307310656 | 0 |
| 18.81.48.65 | 307310657 | 0 |
| 18.81.48.66 | 307310658 | 0 |
| 18.81.48.67 | 307310659 | 0 |
| 18.81.48.68 | 307310660 | 0 |
| 18.81.48.69 | 307310661 | 0 |
| 18.81.48.70 | 307310662 | 0 |
| 18.81.48.71 | 307310663 | 0 |
| 18.81.48.72 | 307310664 | 0 |
| 18.81.48.73 | 307310665 | 0 |
| 18.81.48.74 | 307310666 | 0 |
| 18.81.48.75 | 307310667 | 0 |
| 18.81.48.76 | 307310668 | 0 |
| 18.81.48.77 | 307310669 | 0 |
| 18.81.48.78 | 307310670 | 0 |
| 18.81.48.79 | 307310671 | 0 |
| 18.81.48.80 | 307310672 | 0 |
| 18.81.48.81 | 307310673 | 0 |
| 18.81.48.82 | 307310674 | 0 |
| 18.81.48.83 | 307310675 | 0 |
| 18.81.48.84 | 307310676 | 0 |
| 18.81.48.85 | 307310677 | 0 |