The IP address 63.199.21 is provided by AT&T Services, Inc., it's belong to the CDIR (Classless Inter-Domain Routing) 63.192.0.0/12 (range 63.192.0.0 to 63.207.255.255). The autonomous system number (ASN) is 7018.
| ASN | 7018 |
| IP starting by | 63.192.0.0 |
| IP ending by | 63.207.255.255 |
| ASN Name | AT&T Services, Inc. |
| CDIR | 63.192.0.0/12 |
| Numerical IP | |
| Registry | arin |
| Last update | 30/03/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | San Francisco | 37.7749 | -122.4194 | 2018-03-30 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-03-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 63.199.21.0 | 1070011648 | 0 |
| 63.199.21.1 | 1070011649 | 0 |
| 63.199.21.2 | 1070011650 | 0 |
| 63.199.21.3 | 1070011651 | 0 |
| 63.199.21.4 | 1070011652 | 0 |
| 63.199.21.5 | 1070011653 | 0 |
| 63.199.21.6 | 1070011654 | 0 |
| 63.199.21.7 | 1070011655 | 0 |
| 63.199.21.8 | 1070011656 | 0 |
| 63.199.21.9 | 1070011657 | 0 |
| 63.199.21.10 | 1070011658 | 0 |
| 63.199.21.11 | 1070011659 | 0 |
| 63.199.21.12 | 1070011660 | 0 |
| 63.199.21.13 | 1070011661 | 0 |
| 63.199.21.14 | 1070011662 | 0 |
| 63.199.21.15 | 1070011663 | 0 |
| 63.199.21.16 | 1070011664 | 0 |
| 63.199.21.17 | 1070011665 | 0 |
| 63.199.21.18 | 1070011666 | 0 |
| 63.199.21.19 | 1070011667 | 0 |
| 63.199.21.20 | 1070011668 | 0 |
| 63.199.21.21 | 1070011669 | 0 |
| 63.199.21.22 | 1070011670 | 0 |
| 63.199.21.23 | 1070011671 | 0 |
| 63.199.21.24 | 1070011672 | 0 |
| 63.199.21.25 | 1070011673 | 0 |
| 63.199.21.26 | 1070011674 | 0 |
| 63.199.21.27 | 1070011675 | 0 |
| 63.199.21.28 | 1070011676 | 0 |
| 63.199.21.29 | 1070011677 | 0 |
| 63.199.21.30 | 1070011678 | 0 |
| 63.199.21.31 | 1070011679 | 0 |
| 63.199.21.32 | 1070011680 | 0 |
| 63.199.21.33 | 1070011681 | 0 |
| 63.199.21.34 | 1070011682 | 0 |
| 63.199.21.35 | 1070011683 | 0 |
| 63.199.21.36 | 1070011684 | 0 |
| 63.199.21.37 | 1070011685 | 0 |
| 63.199.21.38 | 1070011686 | 0 |
| 63.199.21.39 | 1070011687 | 0 |
| 63.199.21.40 | 1070011688 | 0 |
| 63.199.21.41 | 1070011689 | 0 |
| 63.199.21.42 | 1070011690 | 0 |
| 63.199.21.43 | 1070011691 | 0 |
| 63.199.21.44 | 1070011692 | 0 |
| 63.199.21.45 | 1070011693 | 0 |
| 63.199.21.46 | 1070011694 | 0 |
| 63.199.21.47 | 1070011695 | 0 |
| 63.199.21.48 | 1070011696 | 0 |
| 63.199.21.49 | 1070011697 | 0 |
| 63.199.21.50 | 1070011698 | 0 |
| 63.199.21.51 | 1070011699 | 0 |
| 63.199.21.52 | 1070011700 | 0 |
| 63.199.21.53 | 1070011701 | 0 |
| 63.199.21.54 | 1070011702 | 0 |
| 63.199.21.55 | 1070011703 | 0 |
| 63.199.21.56 | 1070011704 | 0 |
| 63.199.21.57 | 1070011705 | 0 |
| 63.199.21.58 | 1070011706 | 0 |
| 63.199.21.59 | 1070011707 | 0 |
| 63.199.21.60 | 1070011708 | 0 |
| 63.199.21.61 | 1070011709 | 0 |
| 63.199.21.62 | 1070011710 | 0 |
| 63.199.21.63 | 1070011711 | 0 |
| 63.199.21.64 | 1070011712 | 0 |
| 63.199.21.65 | 1070011713 | 0 |
| 63.199.21.66 | 1070011714 | 0 |
| 63.199.21.67 | 1070011715 | 0 |
| 63.199.21.68 | 1070011716 | 0 |
| 63.199.21.69 | 1070011717 | 0 |
| 63.199.21.70 | 1070011718 | 0 |
| 63.199.21.71 | 1070011719 | 0 |
| 63.199.21.72 | 1070011720 | 0 |
| 63.199.21.73 | 1070011721 | 0 |
| 63.199.21.74 | 1070011722 | 0 |
| 63.199.21.75 | 1070011723 | 0 |
| 63.199.21.76 | 1070011724 | 0 |
| 63.199.21.77 | 1070011725 | 0 |
| 63.199.21.78 | 1070011726 | 0 |
| 63.199.21.79 | 1070011727 | 0 |
| 63.199.21.80 | 1070011728 | 0 |
| 63.199.21.81 | 1070011729 | 0 |
| 63.199.21.82 | 1070011730 | 0 |
| 63.199.21.83 | 1070011731 | 0 |
| 63.199.21.84 | 1070011732 | 0 |
| 63.199.21.85 | 1070011733 | 0 |