L'indirizzo IP 12.99.91 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, IP tra 12.0.0.0 a 12.255.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 12.0.0.0 |
| IP finale con | 12.255.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 26/10/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | San Francisco | 37,7749 | -122,4194 | 2017-10-26 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-10-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.99.91.0 | 207837952 | 0 |
| 12.99.91.1 | 207837953 | 0 |
| 12.99.91.2 | 207837954 | 0 |
| 12.99.91.3 | 207837955 | 0 |
| 12.99.91.4 | 207837956 | 0 |
| 12.99.91.5 | 207837957 | 0 |
| 12.99.91.6 | 207837958 | 0 |
| 12.99.91.7 | 207837959 | 0 |
| 12.99.91.8 | 207837960 | 0 |
| 12.99.91.9 | 207837961 | 0 |
| 12.99.91.10 | 207837962 | 0 |
| 12.99.91.11 | 207837963 | 0 |
| 12.99.91.12 | 207837964 | 0 |
| 12.99.91.13 | 207837965 | 0 |
| 12.99.91.14 | 207837966 | 0 |
| 12.99.91.15 | 207837967 | 0 |
| 12.99.91.16 | 207837968 | 0 |
| 12.99.91.17 | 207837969 | 0 |
| 12.99.91.18 | 207837970 | 0 |
| 12.99.91.19 | 207837971 | 0 |
| 12.99.91.20 | 207837972 | 0 |
| 12.99.91.21 | 207837973 | 0 |
| 12.99.91.22 | 207837974 | 0 |
| 12.99.91.23 | 207837975 | 0 |
| 12.99.91.24 | 207837976 | 0 |
| 12.99.91.25 | 207837977 | 0 |
| 12.99.91.26 | 207837978 | 0 |
| 12.99.91.27 | 207837979 | 0 |
| 12.99.91.28 | 207837980 | 0 |
| 12.99.91.29 | 207837981 | 0 |
| 12.99.91.30 | 207837982 | 0 |
| 12.99.91.31 | 207837983 | 0 |
| 12.99.91.32 | 207837984 | 0 |
| 12.99.91.33 | 207837985 | 0 |
| 12.99.91.34 | 207837986 | 0 |
| 12.99.91.35 | 207837987 | 0 |
| 12.99.91.36 | 207837988 | 0 |
| 12.99.91.37 | 207837989 | 0 |
| 12.99.91.38 | 207837990 | 0 |
| 12.99.91.39 | 207837991 | 0 |
| 12.99.91.40 | 207837992 | 0 |
| 12.99.91.41 | 207837993 | 0 |
| 12.99.91.42 | 207837994 | 0 |
| 12.99.91.43 | 207837995 | 0 |
| 12.99.91.44 | 207837996 | 0 |
| 12.99.91.45 | 207837997 | 0 |
| 12.99.91.46 | 207837998 | 0 |
| 12.99.91.47 | 207837999 | 0 |
| 12.99.91.48 | 207838000 | 0 |
| 12.99.91.49 | 207838001 | 0 |
| 12.99.91.50 | 207838002 | 0 |
| 12.99.91.51 | 207838003 | 0 |
| 12.99.91.52 | 207838004 | 0 |
| 12.99.91.53 | 207838005 | 0 |
| 12.99.91.54 | 207838006 | 0 |
| 12.99.91.55 | 207838007 | 0 |
| 12.99.91.56 | 207838008 | 0 |
| 12.99.91.57 | 207838009 | 0 |
| 12.99.91.58 | 207838010 | 0 |
| 12.99.91.59 | 207838011 | 0 |
| 12.99.91.60 | 207838012 | 0 |
| 12.99.91.61 | 207838013 | 0 |
| 12.99.91.62 | 207838014 | 0 |
| 12.99.91.63 | 207838015 | 0 |
| 12.99.91.64 | 207838016 | 0 |
| 12.99.91.65 | 207838017 | 0 |
| 12.99.91.66 | 207838018 | 0 |
| 12.99.91.67 | 207838019 | 0 |
| 12.99.91.68 | 207838020 | 0 |
| 12.99.91.69 | 207838021 | 0 |
| 12.99.91.70 | 207838022 | 0 |
| 12.99.91.71 | 207838023 | 0 |
| 12.99.91.72 | 207838024 | 0 |
| 12.99.91.73 | 207838025 | 0 |
| 12.99.91.74 | 207838026 | 0 |
| 12.99.91.75 | 207838027 | 0 |
| 12.99.91.76 | 207838028 | 0 |
| 12.99.91.77 | 207838029 | 0 |
| 12.99.91.78 | 207838030 | 0 |
| 12.99.91.79 | 207838031 | 0 |
| 12.99.91.80 | 207838032 | 0 |
| 12.99.91.81 | 207838033 | 0 |
| 12.99.91.82 | 207838034 | 0 |
| 12.99.91.83 | 207838035 | 0 |
| 12.99.91.84 | 207838036 | 0 |
| 12.99.91.85 | 207838037 | 0 |