Les adresses IP débutant par 12.99.52 sont fournies par AT&T Data Communications Services, elles appartiennent au CIDR (Classless Inter-Domain Routing) 12.97.87.0/24, le bloc IP comprant les adresses de 12.97.87.0 à 12.97.87.255). Le numéro de système autonome (ASN) est 2386.
| ASN | 2386 |
| IP commençant par | 12.97.87.0 |
| IP se terminant par | 12.97.87.255 |
| Nom ASN | AT&T Data Communications Services |
| CDIR | 12.97.87.0/24 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 05/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | San Francisco | 37,7749 | -122,4194 | 2017-07-13 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-13 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.99.52.0 | 207827968 | 0 |
| 12.99.52.1 | 207827969 | 0 |
| 12.99.52.2 | 207827970 | 0 |
| 12.99.52.3 | 207827971 | 0 |
| 12.99.52.4 | 207827972 | 0 |
| 12.99.52.5 | 207827973 | 0 |
| 12.99.52.6 | 207827974 | 0 |
| 12.99.52.7 | 207827975 | 0 |
| 12.99.52.8 | 207827976 | 0 |
| 12.99.52.9 | 207827977 | 0 |
| 12.99.52.10 | 207827978 | 0 |
| 12.99.52.11 | 207827979 | 0 |
| 12.99.52.12 | 207827980 | 0 |
| 12.99.52.13 | 207827981 | 0 |
| 12.99.52.14 | 207827982 | 0 |
| 12.99.52.15 | 207827983 | 0 |
| 12.99.52.16 | 207827984 | 0 |
| 12.99.52.17 | 207827985 | 0 |
| 12.99.52.18 | 207827986 | 0 |
| 12.99.52.19 | 207827987 | 0 |
| 12.99.52.20 | 207827988 | 0 |
| 12.99.52.21 | 207827989 | 0 |
| 12.99.52.22 | 207827990 | 0 |
| 12.99.52.23 | 207827991 | 0 |
| 12.99.52.24 | 207827992 | 0 |
| 12.99.52.25 | 207827993 | 0 |
| 12.99.52.26 | 207827994 | 0 |
| 12.99.52.27 | 207827995 | 0 |
| 12.99.52.28 | 207827996 | 0 |
| 12.99.52.29 | 207827997 | 0 |
| 12.99.52.30 | 207827998 | 0 |
| 12.99.52.31 | 207827999 | 0 |
| 12.99.52.32 | 207828000 | 0 |
| 12.99.52.33 | 207828001 | 0 |
| 12.99.52.34 | 207828002 | 0 |
| 12.99.52.35 | 207828003 | 0 |
| 12.99.52.36 | 207828004 | 0 |
| 12.99.52.37 | 207828005 | 0 |
| 12.99.52.38 | 207828006 | 0 |
| 12.99.52.39 | 207828007 | 0 |
| 12.99.52.40 | 207828008 | 0 |
| 12.99.52.41 | 207828009 | 0 |
| 12.99.52.42 | 207828010 | 0 |
| 12.99.52.43 | 207828011 | 0 |
| 12.99.52.44 | 207828012 | 0 |
| 12.99.52.45 | 207828013 | 0 |
| 12.99.52.46 | 207828014 | 0 |
| 12.99.52.47 | 207828015 | 0 |
| 12.99.52.48 | 207828016 | 0 |
| 12.99.52.49 | 207828017 | 0 |
| 12.99.52.50 | 207828018 | 0 |
| 12.99.52.51 | 207828019 | 0 |
| 12.99.52.52 | 207828020 | 0 |
| 12.99.52.53 | 207828021 | 0 |
| 12.99.52.54 | 207828022 | 0 |
| 12.99.52.55 | 207828023 | 0 |
| 12.99.52.56 | 207828024 | 0 |
| 12.99.52.57 | 207828025 | 0 |
| 12.99.52.58 | 207828026 | 0 |
| 12.99.52.59 | 207828027 | 0 |
| 12.99.52.60 | 207828028 | 0 |
| 12.99.52.61 | 207828029 | 0 |
| 12.99.52.62 | 207828030 | 0 |
| 12.99.52.63 | 207828031 | 0 |
| 12.99.52.64 | 207828032 | 0 |
| 12.99.52.65 | 207828033 | 0 |
| 12.99.52.66 | 207828034 | 0 |
| 12.99.52.67 | 207828035 | 0 |
| 12.99.52.68 | 207828036 | 0 |
| 12.99.52.69 | 207828037 | 0 |
| 12.99.52.70 | 207828038 | 0 |
| 12.99.52.71 | 207828039 | 0 |
| 12.99.52.72 | 207828040 | 0 |
| 12.99.52.73 | 207828041 | 0 |
| 12.99.52.74 | 207828042 | 0 |
| 12.99.52.75 | 207828043 | 0 |
| 12.99.52.76 | 207828044 | 0 |
| 12.99.52.77 | 207828045 | 0 |
| 12.99.52.78 | 207828046 | 0 |
| 12.99.52.79 | 207828047 | 0 |
| 12.99.52.80 | 207828048 | 0 |
| 12.99.52.81 | 207828049 | 0 |
| 12.99.52.82 | 207828050 | 0 |
| 12.99.52.83 | 207828051 | 0 |
| 12.99.52.84 | 207828052 | 0 |
| 12.99.52.85 | 207828053 | 0 |