L'indirizzo IP 99.142.21 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 99.128.0.0/11, IP tra 99.128.0.0 a 99.159.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 99.128.0.0 |
| IP finale con | 99.159.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 99.128.0.0/11 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 30/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Roselle | 41,9848 | -88,0798 | 2017-07-30 |
| MaxMind | US | United States | - | Franklin Park | 41,9349 | -87,8851 | 2017-07-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.142.21.0 | 1670255872 | 0 |
| 99.142.21.1 | 1670255873 | 0 |
| 99.142.21.2 | 1670255874 | 0 |
| 99.142.21.3 | 1670255875 | 0 |
| 99.142.21.4 | 1670255876 | 0 |
| 99.142.21.5 | 1670255877 | 0 |
| 99.142.21.6 | 1670255878 | 0 |
| 99.142.21.7 | 1670255879 | 0 |
| 99.142.21.8 | 1670255880 | 0 |
| 99.142.21.9 | 1670255881 | 0 |
| 99.142.21.10 | 1670255882 | 0 |
| 99.142.21.11 | 1670255883 | 0 |
| 99.142.21.12 | 1670255884 | 0 |
| 99.142.21.13 | 1670255885 | 0 |
| 99.142.21.14 | 1670255886 | 0 |
| 99.142.21.15 | 1670255887 | 0 |
| 99.142.21.16 | 1670255888 | 0 |
| 99.142.21.17 | 1670255889 | 0 |
| 99.142.21.18 | 1670255890 | 0 |
| 99.142.21.19 | 1670255891 | 0 |
| 99.142.21.20 | 1670255892 | 0 |
| 99.142.21.21 | 1670255893 | 0 |
| 99.142.21.22 | 1670255894 | 0 |
| 99.142.21.23 | 1670255895 | 0 |
| 99.142.21.24 | 1670255896 | 0 |
| 99.142.21.25 | 1670255897 | 0 |
| 99.142.21.26 | 1670255898 | 0 |
| 99.142.21.27 | 1670255899 | 0 |
| 99.142.21.28 | 1670255900 | 0 |
| 99.142.21.29 | 1670255901 | 0 |
| 99.142.21.30 | 1670255902 | 0 |
| 99.142.21.31 | 1670255903 | 0 |
| 99.142.21.32 | 1670255904 | 0 |
| 99.142.21.33 | 1670255905 | 0 |
| 99.142.21.34 | 1670255906 | 0 |
| 99.142.21.35 | 1670255907 | 0 |
| 99.142.21.36 | 1670255908 | 0 |
| 99.142.21.37 | 1670255909 | 0 |
| 99.142.21.38 | 1670255910 | 0 |
| 99.142.21.39 | 1670255911 | 0 |
| 99.142.21.40 | 1670255912 | 0 |
| 99.142.21.41 | 1670255913 | 0 |
| 99.142.21.42 | 1670255914 | 0 |
| 99.142.21.43 | 1670255915 | 0 |
| 99.142.21.44 | 1670255916 | 0 |
| 99.142.21.45 | 1670255917 | 0 |
| 99.142.21.46 | 1670255918 | 0 |
| 99.142.21.47 | 1670255919 | 0 |
| 99.142.21.48 | 1670255920 | 0 |
| 99.142.21.49 | 1670255921 | 0 |
| 99.142.21.50 | 1670255922 | 0 |
| 99.142.21.51 | 1670255923 | 0 |
| 99.142.21.52 | 1670255924 | 0 |
| 99.142.21.53 | 1670255925 | 0 |
| 99.142.21.54 | 1670255926 | 0 |
| 99.142.21.55 | 1670255927 | 0 |
| 99.142.21.56 | 1670255928 | 0 |
| 99.142.21.57 | 1670255929 | 0 |
| 99.142.21.58 | 1670255930 | 0 |
| 99.142.21.59 | 1670255931 | 0 |
| 99.142.21.60 | 1670255932 | 0 |
| 99.142.21.61 | 1670255933 | 0 |
| 99.142.21.62 | 1670255934 | 0 |
| 99.142.21.63 | 1670255935 | 0 |
| 99.142.21.64 | 1670255936 | 0 |
| 99.142.21.65 | 1670255937 | 0 |
| 99.142.21.66 | 1670255938 | 0 |
| 99.142.21.67 | 1670255939 | 0 |
| 99.142.21.68 | 1670255940 | 0 |
| 99.142.21.69 | 1670255941 | 0 |
| 99.142.21.70 | 1670255942 | 0 |
| 99.142.21.71 | 1670255943 | 0 |
| 99.142.21.72 | 1670255944 | 0 |
| 99.142.21.73 | 1670255945 | 0 |
| 99.142.21.74 | 1670255946 | 0 |
| 99.142.21.75 | 1670255947 | 0 |
| 99.142.21.76 | 1670255948 | 0 |
| 99.142.21.77 | 1670255949 | 0 |
| 99.142.21.78 | 1670255950 | 0 |
| 99.142.21.79 | 1670255951 | 0 |
| 99.142.21.80 | 1670255952 | 0 |
| 99.142.21.81 | 1670255953 | 0 |
| 99.142.21.82 | 1670255954 | 0 |
| 99.142.21.83 | 1670255955 | 0 |
| 99.142.21.84 | 1670255956 | 0 |
| 99.142.21.85 | 1670255957 | 0 |