The IP address 204.123.4 is provided by AT&T Services, Inc., it's belong to the CDIR (Classless Inter-Domain Routing) 204.123.0.0/16 (range 204.123.0.0 to 204.123.255.255). The autonomous system number (ASN) is 7018.
| ASN | 7018 |
| IP starting by | 204.123.0.0 |
| IP ending by | 204.123.255.255 |
| ASN Name | AT&T Services, Inc. |
| CDIR | 204.123.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 31/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Palo Alto | 37.4099 | -122.1604 | 2017-09-25 |
| MaxMind | US | United States | - | Palo Alto | 37.3762 | -122.1826 | 2017-09-25 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 204.123.4.0 | 3430614016 | 0 |
| 204.123.4.1 | 3430614017 | 0 |
| 204.123.4.2 | 3430614018 | 0 |
| 204.123.4.3 | 3430614019 | 0 |
| 204.123.4.4 | 3430614020 | 0 |
| 204.123.4.5 | 3430614021 | 0 |
| 204.123.4.6 | 3430614022 | 0 |
| 204.123.4.7 | 3430614023 | 0 |
| 204.123.4.8 | 3430614024 | 0 |
| 204.123.4.9 | 3430614025 | 0 |
| 204.123.4.10 | 3430614026 | 0 |
| 204.123.4.11 | 3430614027 | 0 |
| 204.123.4.12 | 3430614028 | 0 |
| 204.123.4.13 | 3430614029 | 0 |
| 204.123.4.14 | 3430614030 | 0 |
| 204.123.4.15 | 3430614031 | 0 |
| 204.123.4.16 | 3430614032 | 0 |
| 204.123.4.17 | 3430614033 | 0 |
| 204.123.4.18 | 3430614034 | 0 |
| 204.123.4.19 | 3430614035 | 0 |
| 204.123.4.20 | 3430614036 | 0 |
| 204.123.4.21 | 3430614037 | 0 |
| 204.123.4.22 | 3430614038 | 0 |
| 204.123.4.23 | 3430614039 | 0 |
| 204.123.4.24 | 3430614040 | 0 |
| 204.123.4.25 | 3430614041 | 0 |
| 204.123.4.26 | 3430614042 | 0 |
| 204.123.4.27 | 3430614043 | 0 |
| 204.123.4.28 | 3430614044 | 0 |
| 204.123.4.29 | 3430614045 | 0 |
| 204.123.4.30 | 3430614046 | 0 |
| 204.123.4.31 | 3430614047 | 0 |
| 204.123.4.32 | 3430614048 | 0 |
| 204.123.4.33 | 3430614049 | 0 |
| 204.123.4.34 | 3430614050 | 0 |
| 204.123.4.35 | 3430614051 | 0 |
| 204.123.4.36 | 3430614052 | 0 |
| 204.123.4.37 | 3430614053 | 0 |
| 204.123.4.38 | 3430614054 | 0 |
| 204.123.4.39 | 3430614055 | 0 |
| 204.123.4.40 | 3430614056 | 0 |
| 204.123.4.41 | 3430614057 | 0 |
| 204.123.4.42 | 3430614058 | 0 |
| 204.123.4.43 | 3430614059 | 0 |
| 204.123.4.44 | 3430614060 | 0 |
| 204.123.4.45 | 3430614061 | 0 |
| 204.123.4.46 | 3430614062 | 0 |
| 204.123.4.47 | 3430614063 | 0 |
| 204.123.4.48 | 3430614064 | 0 |
| 204.123.4.49 | 3430614065 | 0 |
| 204.123.4.50 | 3430614066 | 0 |
| 204.123.4.51 | 3430614067 | 0 |
| 204.123.4.52 | 3430614068 | 0 |
| 204.123.4.53 | 3430614069 | 0 |
| 204.123.4.54 | 3430614070 | 0 |
| 204.123.4.55 | 3430614071 | 0 |
| 204.123.4.56 | 3430614072 | 0 |
| 204.123.4.57 | 3430614073 | 0 |
| 204.123.4.58 | 3430614074 | 0 |
| 204.123.4.59 | 3430614075 | 0 |
| 204.123.4.60 | 3430614076 | 0 |
| 204.123.4.61 | 3430614077 | 0 |
| 204.123.4.62 | 3430614078 | 0 |
| 204.123.4.63 | 3430614079 | 0 |
| 204.123.4.64 | 3430614080 | 0 |
| 204.123.4.65 | 3430614081 | 0 |
| 204.123.4.66 | 3430614082 | 0 |
| 204.123.4.67 | 3430614083 | 0 |
| 204.123.4.68 | 3430614084 | 0 |
| 204.123.4.69 | 3430614085 | 0 |
| 204.123.4.70 | 3430614086 | 0 |
| 204.123.4.71 | 3430614087 | 0 |
| 204.123.4.72 | 3430614088 | 0 |
| 204.123.4.73 | 3430614089 | 0 |
| 204.123.4.74 | 3430614090 | 0 |
| 204.123.4.75 | 3430614091 | 0 |
| 204.123.4.76 | 3430614092 | 0 |
| 204.123.4.77 | 3430614093 | 0 |
| 204.123.4.78 | 3430614094 | 0 |
| 204.123.4.79 | 3430614095 | 0 |
| 204.123.4.80 | 3430614096 | 0 |
| 204.123.4.81 | 3430614097 | 0 |
| 204.123.4.82 | 3430614098 | 0 |
| 204.123.4.83 | 3430614099 | 0 |
| 204.123.4.84 | 3430614100 | 0 |
| 204.123.4.85 | 3430614101 | 0 |