The IP address 128.3.42 is provided by Lawrence Berkeley National Laboratory, it's belong to the CDIR (Classless Inter-Domain Routing) 128.3.0.0/16 (range 128.3.0.0 to 128.3.255.255). The autonomous system number (ASN) is 16.
| ASN | 16 |
| IP starting by | 128.3.0.0 |
| IP ending by | 128.3.255.255 |
| ASN Name | Lawrence Berkeley National Laboratory |
| CDIR | 128.3.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 07/01/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Greenwich | 39.3897 | -75.3389 | 2019-01-06 |
| MaxMind | US | United States | - | Richmond | 37.9255 | -122.3437 | 2019-01-06 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 128.3.42.0 | 2147691008 | 0 |
| 128.3.42.1 | 2147691009 | 0 |
| 128.3.42.2 | 2147691010 | 0 |
| 128.3.42.3 | 2147691011 | 0 |
| 128.3.42.4 | 2147691012 | 0 |
| 128.3.42.5 | 2147691013 | 0 |
| 128.3.42.6 | 2147691014 | 0 |
| 128.3.42.7 | 2147691015 | 0 |
| 128.3.42.8 | 2147691016 | 0 |
| 128.3.42.9 | 2147691017 | 0 |
| 128.3.42.10 | 2147691018 | 0 |
| 128.3.42.11 | 2147691019 | 0 |
| 128.3.42.12 | 2147691020 | 0 |
| 128.3.42.13 | 2147691021 | 0 |
| 128.3.42.14 | 2147691022 | 0 |
| 128.3.42.15 | 2147691023 | 0 |
| 128.3.42.16 | 2147691024 | 0 |
| 128.3.42.17 | 2147691025 | 0 |
| 128.3.42.18 | 2147691026 | 0 |
| 128.3.42.19 | 2147691027 | 0 |
| 128.3.42.20 | 2147691028 | 0 |
| 128.3.42.21 | 2147691029 | 0 |
| 128.3.42.22 | 2147691030 | 0 |
| 128.3.42.23 | 2147691031 | 0 |
| 128.3.42.24 | 2147691032 | 0 |
| 128.3.42.25 | 2147691033 | 0 |
| 128.3.42.26 | 2147691034 | 0 |
| 128.3.42.27 | 2147691035 | 0 |
| 128.3.42.28 | 2147691036 | 0 |
| 128.3.42.29 | 2147691037 | 0 |
| 128.3.42.30 | 2147691038 | 0 |
| 128.3.42.31 | 2147691039 | 0 |
| 128.3.42.32 | 2147691040 | 0 |
| 128.3.42.33 | 2147691041 | 0 |
| 128.3.42.34 | 2147691042 | 0 |
| 128.3.42.35 | 2147691043 | 0 |
| 128.3.42.36 | 2147691044 | 0 |
| 128.3.42.37 | 2147691045 | 0 |
| 128.3.42.38 | 2147691046 | 0 |
| 128.3.42.39 | 2147691047 | 0 |
| 128.3.42.40 | 2147691048 | 0 |
| 128.3.42.41 | 2147691049 | 0 |
| 128.3.42.42 | 2147691050 | 0 |
| 128.3.42.43 | 2147691051 | 0 |
| 128.3.42.44 | 2147691052 | 0 |
| 128.3.42.45 | 2147691053 | 0 |
| 128.3.42.46 | 2147691054 | 0 |
| 128.3.42.47 | 2147691055 | 0 |
| 128.3.42.48 | 2147691056 | 0 |
| 128.3.42.49 | 2147691057 | 0 |
| 128.3.42.50 | 2147691058 | 0 |
| 128.3.42.51 | 2147691059 | 0 |
| 128.3.42.52 | 2147691060 | 0 |
| 128.3.42.53 | 2147691061 | 0 |
| 128.3.42.54 | 2147691062 | 0 |
| 128.3.42.55 | 2147691063 | 0 |
| 128.3.42.56 | 2147691064 | 0 |
| 128.3.42.57 | 2147691065 | 0 |
| 128.3.42.58 | 2147691066 | 0 |
| 128.3.42.59 | 2147691067 | 0 |
| 128.3.42.60 | 2147691068 | 0 |
| 128.3.42.61 | 2147691069 | 0 |
| 128.3.42.62 | 2147691070 | 0 |
| 128.3.42.63 | 2147691071 | 0 |
| 128.3.42.64 | 2147691072 | 0 |
| 128.3.42.65 | 2147691073 | 0 |
| 128.3.42.66 | 2147691074 | 0 |
| 128.3.42.67 | 2147691075 | 0 |
| 128.3.42.68 | 2147691076 | 0 |
| 128.3.42.69 | 2147691077 | 0 |
| 128.3.42.70 | 2147691078 | 0 |
| 128.3.42.71 | 2147691079 | 0 |
| 128.3.42.72 | 2147691080 | 0 |
| 128.3.42.73 | 2147691081 | 0 |
| 128.3.42.74 | 2147691082 | 0 |
| 128.3.42.75 | 2147691083 | 0 |
| 128.3.42.76 | 2147691084 | 0 |
| 128.3.42.77 | 2147691085 | 0 |
| 128.3.42.78 | 2147691086 | 0 |
| 128.3.42.79 | 2147691087 | 0 |
| 128.3.42.80 | 2147691088 | 0 |
| 128.3.42.81 | 2147691089 | 0 |
| 128.3.42.82 | 2147691090 | 0 |
| 128.3.42.83 | 2147691091 | 0 |
| 128.3.42.84 | 2147691092 | 0 |
| 128.3.42.85 | 2147691093 | 0 |
| IP | Numerical IP | DNS |
| 128.3.42.86 | 2147691094 | 0 |
| 128.3.42.87 | 2147691095 | 0 |
| 128.3.42.88 | 2147691096 | 0 |
| 128.3.42.89 | 2147691097 | 0 |
| 128.3.42.90 | 2147691098 | 0 |
| 128.3.42.91 | 2147691099 | 0 |
| 128.3.42.92 | 2147691100 | 0 |
| 128.3.42.93 | 2147691101 | 0 |
| 128.3.42.94 | 2147691102 | 0 |
| 128.3.42.95 | 2147691103 | 0 |
| 128.3.42.96 | 2147691104 | 0 |
| 128.3.42.97 | 2147691105 | 0 |
| 128.3.42.98 | 2147691106 | 0 |
| 128.3.42.99 | 2147691107 | 0 |
| 128.3.42.100 | 2147691108 | 0 |
| 128.3.42.101 | 2147691109 | 0 |
| 128.3.42.102 | 2147691110 | 0 |
| 128.3.42.103 | 2147691111 | 0 |
| 128.3.42.104 | 2147691112 | 0 |
| 128.3.42.105 | 2147691113 | 0 |
| 128.3.42.106 | 2147691114 | 0 |
| 128.3.42.107 | 2147691115 | 0 |
| 128.3.42.108 | 2147691116 | 0 |
| 128.3.42.109 | 2147691117 | 0 |
| 128.3.42.110 | 2147691118 | 0 |
| 128.3.42.111 | 2147691119 | 0 |
| 128.3.42.112 | 2147691120 | 0 |
| 128.3.42.113 | 2147691121 | 0 |
| 128.3.42.114 | 2147691122 | 0 |
| 128.3.42.115 | 2147691123 | 0 |
| 128.3.42.116 | 2147691124 | 0 |
| 128.3.42.117 | 2147691125 | 0 |
| 128.3.42.118 | 2147691126 | 0 |
| 128.3.42.119 | 2147691127 | 0 |
| 128.3.42.120 | 2147691128 | 0 |
| 128.3.42.121 | 2147691129 | 0 |
| 128.3.42.122 | 2147691130 | 0 |
| 128.3.42.123 | 2147691131 | 0 |
| 128.3.42.124 | 2147691132 | 0 |
| 128.3.42.125 | 2147691133 | 0 |
| 128.3.42.126 | 2147691134 | 0 |
| 128.3.42.127 | 2147691135 | 0 |
| 128.3.42.128 | 2147691136 | 0 |
| 128.3.42.129 | 2147691137 | 0 |
| 128.3.42.130 | 2147691138 | 0 |
| 128.3.42.131 | 2147691139 | 0 |
| 128.3.42.132 | 2147691140 | 0 |
| 128.3.42.133 | 2147691141 | 0 |
| 128.3.42.134 | 2147691142 | 0 |
| 128.3.42.135 | 2147691143 | 0 |
| 128.3.42.136 | 2147691144 | 0 |
| 128.3.42.137 | 2147691145 | 0 |
| 128.3.42.138 | 2147691146 | 0 |
| 128.3.42.139 | 2147691147 | 0 |
| 128.3.42.140 | 2147691148 | 0 |
| 128.3.42.141 | 2147691149 | 0 |
| 128.3.42.142 | 2147691150 | 0 |
| 128.3.42.143 | 2147691151 | 0 |
| 128.3.42.144 | 2147691152 | 0 |
| 128.3.42.145 | 2147691153 | 0 |
| 128.3.42.146 | 2147691154 | 0 |
| 128.3.42.147 | 2147691155 | 0 |
| 128.3.42.148 | 2147691156 | 0 |
| 128.3.42.149 | 2147691157 | 0 |
| 128.3.42.150 | 2147691158 | 0 |
| 128.3.42.151 | 2147691159 | 0 |
| 128.3.42.152 | 2147691160 | 0 |
| 128.3.42.153 | 2147691161 | 0 |
| 128.3.42.154 | 2147691162 | 0 |
| 128.3.42.155 | 2147691163 | 0 |
| 128.3.42.156 | 2147691164 | 0 |
| 128.3.42.157 | 2147691165 | 0 |
| 128.3.42.158 | 2147691166 | 0 |
| 128.3.42.159 | 2147691167 | 0 |
| 128.3.42.160 | 2147691168 | 0 |
| 128.3.42.161 | 2147691169 | 0 |
| 128.3.42.162 | 2147691170 | 0 |
| 128.3.42.163 | 2147691171 | 0 |
| 128.3.42.164 | 2147691172 | 0 |
| 128.3.42.165 | 2147691173 | 0 |
| 128.3.42.166 | 2147691174 | 0 |
| 128.3.42.167 | 2147691175 | 0 |
| 128.3.42.168 | 2147691176 | 0 |
| 128.3.42.169 | 2147691177 | 0 |
| 128.3.42.170 | 2147691178 | 0 |
| 128.3.42.171 | 2147691179 | 0 |
| IP | Numerical IP | DNS |
| 128.3.42.172 | 2147691180 | 0 |
| 128.3.42.173 | 2147691181 | 0 |
| 128.3.42.174 | 2147691182 | 0 |
| 128.3.42.175 | 2147691183 | 0 |
| 128.3.42.176 | 2147691184 | 0 |
| 128.3.42.177 | 2147691185 | 0 |
| 128.3.42.178 | 2147691186 | 0 |
| 128.3.42.179 | 2147691187 | 0 |
| 128.3.42.180 | 2147691188 | 0 |
| 128.3.42.181 | 2147691189 | 0 |
| 128.3.42.182 | 2147691190 | 0 |
| 128.3.42.183 | 2147691191 | 0 |
| 128.3.42.184 | 2147691192 | 0 |
| 128.3.42.185 | 2147691193 | 0 |
| 128.3.42.186 | 2147691194 | 0 |
| 128.3.42.187 | 2147691195 | 0 |
| 128.3.42.188 | 2147691196 | 0 |
| 128.3.42.189 | 2147691197 | 0 |
| 128.3.42.190 | 2147691198 | 0 |
| 128.3.42.191 | 2147691199 | 0 |
| 128.3.42.192 | 2147691200 | 0 |
| 128.3.42.193 | 2147691201 | 0 |
| 128.3.42.194 | 2147691202 | 0 |
| 128.3.42.195 | 2147691203 | 0 |
| 128.3.42.196 | 2147691204 | 0 |
| 128.3.42.197 | 2147691205 | 0 |
| 128.3.42.198 | 2147691206 | 0 |
| 128.3.42.199 | 2147691207 | 0 |
| 128.3.42.200 | 2147691208 | 0 |
| 128.3.42.201 | 2147691209 | 0 |
| 128.3.42.202 | 2147691210 | 0 |
| 128.3.42.203 | 2147691211 | 0 |
| 128.3.42.204 | 2147691212 | 0 |
| 128.3.42.205 | 2147691213 | 0 |
| 128.3.42.206 | 2147691214 | 0 |
| 128.3.42.207 | 2147691215 | 0 |
| 128.3.42.208 | 2147691216 | 0 |
| 128.3.42.209 | 2147691217 | 0 |
| 128.3.42.210 | 2147691218 | 0 |
| 128.3.42.211 | 2147691219 | 0 |
| 128.3.42.212 | 2147691220 | 0 |
| 128.3.42.213 | 2147691221 | 0 |
| 128.3.42.214 | 2147691222 | 0 |
| 128.3.42.215 | 2147691223 | 0 |
| 128.3.42.216 | 2147691224 | 0 |
| 128.3.42.217 | 2147691225 | 0 |
| 128.3.42.218 | 2147691226 | 0 |
| 128.3.42.219 | 2147691227 | 0 |
| 128.3.42.220 | 2147691228 | 0 |
| 128.3.42.221 | 2147691229 | 0 |
| 128.3.42.222 | 2147691230 | 0 |
| 128.3.42.223 | 2147691231 | 0 |
| 128.3.42.224 | 2147691232 | 0 |
| 128.3.42.225 | 2147691233 | 0 |
| 128.3.42.226 | 2147691234 | 0 |
| 128.3.42.227 | 2147691235 | 0 |
| 128.3.42.228 | 2147691236 | 0 |
| 128.3.42.229 | 2147691237 | 0 |
| 128.3.42.230 | 2147691238 | 0 |
| 128.3.42.231 | 2147691239 | 0 |
| 128.3.42.232 | 2147691240 | 0 |
| 128.3.42.233 | 2147691241 | 0 |
| 128.3.42.234 | 2147691242 | 0 |
| 128.3.42.235 | 2147691243 | 0 |
| 128.3.42.236 | 2147691244 | 0 |
| 128.3.42.237 | 2147691245 | 0 |
| 128.3.42.238 | 2147691246 | 0 |
| 128.3.42.239 | 2147691247 | 0 |
| 128.3.42.240 | 2147691248 | 0 |
| 128.3.42.241 | 2147691249 | 0 |
| 128.3.42.242 | 2147691250 | 0 |
| 128.3.42.243 | 2147691251 | 0 |
| 128.3.42.244 | 2147691252 | 0 |
| 128.3.42.245 | 2147691253 | 0 |
| 128.3.42.246 | 2147691254 | 0 |
| 128.3.42.247 | 2147691255 | 0 |
| 128.3.42.248 | 2147691256 | 0 |
| 128.3.42.249 | 2147691257 | 0 |
| 128.3.42.250 | 2147691258 | 0 |
| 128.3.42.251 | 2147691259 | 0 |
| 128.3.42.252 | 2147691260 | 0 |
| 128.3.42.253 | 2147691261 | 0 |
| 128.3.42.254 | 2147691262 | 0 |
| 128.3.42.255 | 2147691263 | 0 |