Die IP-Adresse 12.73.39 erfolgt über AT&T Services, Inc., es hat gehören zu den GGDV (Classless Inter-Domain Routing) 12.0.0.0/8 (Bereich 12.0.0.0, 12.255.255.255). Die autonomen Systemnummer (ASN) ist 7018.
| ASN | 7018 |
| Ausgehend von IP | 12.0.0.0 |
| Beendigung durch IP | 12.255.255.255 |
| ASN-Namen | AT&T Services, Inc. |
| GGDV | 12.0.0.0/8 |
| Numerische IP | |
| Registrierung | |
| Letztes update | 25.08.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Chicago | 41,85 | -87,6501 | 2017-08-24 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-08-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.73.39.0 | 206120704 | 0 |
| 12.73.39.1 | 206120705 | 0 |
| 12.73.39.2 | 206120706 | 0 |
| 12.73.39.3 | 206120707 | 0 |
| 12.73.39.4 | 206120708 | 0 |
| 12.73.39.5 | 206120709 | 0 |
| 12.73.39.6 | 206120710 | 0 |
| 12.73.39.7 | 206120711 | 0 |
| 12.73.39.8 | 206120712 | 0 |
| 12.73.39.9 | 206120713 | 0 |
| 12.73.39.10 | 206120714 | 0 |
| 12.73.39.11 | 206120715 | 0 |
| 12.73.39.12 | 206120716 | 0 |
| 12.73.39.13 | 206120717 | 0 |
| 12.73.39.14 | 206120718 | 0 |
| 12.73.39.15 | 206120719 | 0 |
| 12.73.39.16 | 206120720 | 0 |
| 12.73.39.17 | 206120721 | 0 |
| 12.73.39.18 | 206120722 | 0 |
| 12.73.39.19 | 206120723 | 0 |
| 12.73.39.20 | 206120724 | 0 |
| 12.73.39.21 | 206120725 | 0 |
| 12.73.39.22 | 206120726 | 0 |
| 12.73.39.23 | 206120727 | 0 |
| 12.73.39.24 | 206120728 | 0 |
| 12.73.39.25 | 206120729 | 0 |
| 12.73.39.26 | 206120730 | 0 |
| 12.73.39.27 | 206120731 | 0 |
| 12.73.39.28 | 206120732 | 0 |
| 12.73.39.29 | 206120733 | 0 |
| 12.73.39.30 | 206120734 | 0 |
| 12.73.39.31 | 206120735 | 0 |
| 12.73.39.32 | 206120736 | 0 |
| 12.73.39.33 | 206120737 | 0 |
| 12.73.39.34 | 206120738 | 0 |
| 12.73.39.35 | 206120739 | 0 |
| 12.73.39.36 | 206120740 | 0 |
| 12.73.39.37 | 206120741 | 0 |
| 12.73.39.38 | 206120742 | 0 |
| 12.73.39.39 | 206120743 | 0 |
| 12.73.39.40 | 206120744 | 0 |
| 12.73.39.41 | 206120745 | 0 |
| 12.73.39.42 | 206120746 | 0 |
| 12.73.39.43 | 206120747 | 0 |
| 12.73.39.44 | 206120748 | 0 |
| 12.73.39.45 | 206120749 | 0 |
| 12.73.39.46 | 206120750 | 0 |
| 12.73.39.47 | 206120751 | 0 |
| 12.73.39.48 | 206120752 | 0 |
| 12.73.39.49 | 206120753 | 0 |
| 12.73.39.50 | 206120754 | 0 |
| 12.73.39.51 | 206120755 | 0 |
| 12.73.39.52 | 206120756 | 0 |
| 12.73.39.53 | 206120757 | 0 |
| 12.73.39.54 | 206120758 | 0 |
| 12.73.39.55 | 206120759 | 0 |
| 12.73.39.56 | 206120760 | 0 |
| 12.73.39.57 | 206120761 | 0 |
| 12.73.39.58 | 206120762 | 0 |
| 12.73.39.59 | 206120763 | 0 |
| 12.73.39.60 | 206120764 | 0 |
| 12.73.39.61 | 206120765 | 0 |
| 12.73.39.62 | 206120766 | 0 |
| 12.73.39.63 | 206120767 | 0 |
| 12.73.39.64 | 206120768 | 0 |
| 12.73.39.65 | 206120769 | 0 |
| 12.73.39.66 | 206120770 | 0 |
| 12.73.39.67 | 206120771 | 0 |
| 12.73.39.68 | 206120772 | 0 |
| 12.73.39.69 | 206120773 | 0 |
| 12.73.39.70 | 206120774 | 0 |
| 12.73.39.71 | 206120775 | 0 |
| 12.73.39.72 | 206120776 | 0 |
| 12.73.39.73 | 206120777 | 0 |
| 12.73.39.74 | 206120778 | 0 |
| 12.73.39.75 | 206120779 | 0 |
| 12.73.39.76 | 206120780 | 0 |
| 12.73.39.77 | 206120781 | 0 |
| 12.73.39.78 | 206120782 | 0 |
| 12.73.39.79 | 206120783 | 0 |
| 12.73.39.80 | 206120784 | 0 |
| 12.73.39.81 | 206120785 | 0 |
| 12.73.39.82 | 206120786 | 0 |
| 12.73.39.83 | 206120787 | 0 |
| 12.73.39.84 | 206120788 | 0 |
| 12.73.39.85 | 206120789 | 0 |