Summary
| ASN | AS16 Lawrence Berkeley National Laboratory |
| BGP | 131.243.0.0/16 |
| IPs with RDNS | 162 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 131.243.242.0 | — | 0 |  | |
| 131.243.242.1 | irz1-n1-2--irz1-91-2--irb-3242.vrrp.lbl.gov | 0 | | |
| 131.243.242.2 | irb-3242.irz1-n1-2.lbl.gov | 0 | | |
| 131.243.242.3 | irb-3242.irz1-91-2.lbl.gov | 0 |  | |
| 131.243.242.4 | — | 0 | | |
| 131.243.242.5 | — | 0 | | |
| 131.243.242.6 | — | 0 | | |
| 131.243.242.7 | — | 0 | | |
| 131.243.242.8 | — | 0 | | |
| 131.243.242.9 | — | 0 | | |
| 131.243.242.10 | — | 0 | | |
| 131.243.242.11 | — | 0 | | |
| 131.243.242.12 | — | 0 | | |
| 131.243.242.13 | — | 0 | | |
| 131.243.242.14 | — | 0 | | |
| 131.243.242.15 | — | 0 | | |
| 131.243.242.16 | — | 0 | | |
| 131.243.242.17 | — | 0 | | |
| 131.243.242.18 | — | 0 | | |
| 131.243.242.19 | — | 0 | | |
| 131.243.242.20 | — | 0 | | |
| 131.243.242.21 | — | 0 | | |
| 131.243.242.22 | — | 0 | | |
| 131.243.242.23 | — | 0 | | |
| 131.243.242.24 | — | 0 | | |
| 131.243.242.25 | — | 0 | | |
| 131.243.242.26 | — | 0 | | |
| 131.243.242.27 | — | 0 | | |
| 131.243.242.28 | — | 0 | | |
| 131.243.242.29 | — | 0 | | |
| 131.243.242.30 | — | 0 | | |
| 131.243.242.31 | — | 0 | | |
| 131.243.242.32 | — | 0 | | |
| 131.243.242.33 | — | 0 | | |
| 131.243.242.34 | — | 0 | | |
| 131.243.242.35 | — | 0 | | |
| 131.243.242.36 | — | 0 | | |
| 131.243.242.37 | — | 0 | | |
| 131.243.242.38 | — | 0 | | |
| 131.243.242.39 | — | 0 | | |
| 131.243.242.40 | — | 0 | | |
| 131.243.242.41 | — | 0 | | |
| 131.243.242.42 | — | 0 | | |
| 131.243.242.43 | — | 0 | | |
| 131.243.242.44 | — | 0 | | |
| 131.243.242.45 | — | 0 | | |
| 131.243.242.46 | — | 0 | | |
| 131.243.242.47 | — | 0 | | |
| 131.243.242.48 | — | 0 | | |
| 131.243.242.49 | — | 0 | | |
| 131.243.242.50 | — | 0 | | |
| 131.243.242.51 | — | 0 | | |
| 131.243.242.52 | — | 0 | | |
| 131.243.242.53 | — | 0 | | |
| 131.243.242.54 | — | 0 | | |
| 131.243.242.55 | — | 0 | | |
| 131.243.242.56 | — | 0 | | |
| 131.243.242.57 | — | 0 | | |
| 131.243.242.58 | — | 0 | | |
| 131.243.242.59 | — | 0 | | |
| 131.243.242.60 | — | 0 | | |
| 131.243.242.61 | ap345-50a-2177-4-r242.lbl.gov | 0 | | |
| 131.243.242.62 | ap345-50a-1116a-r242.lbl.gov | 0 | | |
| 131.243.242.63 | ap345-50a-1135-r242.lbl.gov | 0 | | |
| 131.243.242.64 | ap345-50a-1165-2-r242.lbl.gov | 0 | | |
| 131.243.242.65 | ap345-node1-lsg5-r242.lbl.gov | 0 | | |
| 131.243.242.66 | ap345-59-4203w-2-r242.lbl.gov | 0 | | |
| 131.243.242.67 | ap345-50a-2109c-r242.lbl.gov | 0 | | |
| 131.243.242.68 | ap345-50a-2116-r242.lbl.gov | 0 | | |
| 131.243.242.69 | ap345-50a-2134-r242.lbl.gov | 0 | | |
| 131.243.242.70 | ap345-50a-2140-r242.lbl.gov | 0 | | |
| 131.243.242.71 | ap345-50a-2150-r242.lbl.gov | 0 | | |
| 131.243.242.72 | ap345-50a-2162-r242.lbl.gov | 0 | | |
| 131.243.242.73 | — | 0 | | |
| 131.243.242.74 | ap345-50a-2198-r242.lbl.gov | 0 | | |
| 131.243.242.75 | ap345-50a-3105-r242.lbl.gov | 0 | | |
| 131.243.242.76 | ap345-50a-3114-r242.lbl.gov | 0 | | |
| 131.243.242.77 | ap345-50a-3122-r242.lbl.gov | 0 | | |
| 131.243.242.78 | ap345-50a-1156-2-r242.lbl.gov | 0 | | |
| 131.243.242.79 | ap345-50a-3139-2-r242.lbl.gov | 0 | | |
| 131.243.242.80 | ap345-50a-4117-r242.lbl.gov | 0 | | |
| 131.243.242.81 | ap345-50a-4119e-r242.lbl.gov | 0 | | |
| 131.243.242.82 | ap345-50a-4122-r242.lbl.gov | 0 | | |
| 131.243.242.83 | ap345-50a-4133-r242.lbl.gov | 0 | | |
| 131.243.242.84 | ap345-50a-4133f-r242.lbl.gov | 0 | | |
| 131.243.242.85 | ap345-50a-5101-r242.lbl.gov | 0 | | |
| 131.243.242.86 | ap345-50a-5104d-r242.lbl.gov | 0 | | |
| 131.243.242.87 | ap345-50a-5124-r242.lbl.gov | 0 | | |
| 131.243.242.88 | ap345-59-3103-2-r242.lbl.gov | 0 | | |
| 131.243.242.89 | ap345-50a-5132b-r242.lbl.gov | 0 | | |
| 131.243.242.90 | ap345-50a-6102-r242.lbl.gov | 0 | | |
| 131.243.242.91 | ap345-50a-6113-r242.lbl.gov | 0 | | |
| 131.243.242.92 | ap345-50a-6122-r242.lbl.gov | 0 | | |
| 131.243.242.93 | ap345-50a-6139-r242.lbl.gov | 0 | | |
| 131.243.242.94 | ap345-50a-6140-r242.lbl.gov | 0 | | |
| 131.243.242.95 | ap345-59-1201-1-r242.lbl.gov | 0 | | |
| 131.243.242.96 | ap345-59-1201-2-r242.lbl.gov | 0 | | |
| 131.243.242.97 | ap345-59-2005-r242.lbl.gov | 0 | | |
| 131.243.242.98 | — | 0 | | |
| 131.243.242.99 | ap345-59-2102-2-r242.lbl.gov | 0 | | |
| 131.243.242.100 | ap345-59-2102-3-r242.lbl.gov | 0 | | |
| 131.243.242.101 | ap345-59-2102-4-r242.lbl.gov | 0 | | |
| 131.243.242.102 | ap345-59-2103-r242.lbl.gov | 0 | | |
| 131.243.242.103 | ap345-59-2104-r242.lbl.gov | 0 | | |
| 131.243.242.104 | ap345-59-3012-r242.lbl.gov | 0 | | |
| 131.243.242.105 | ap345-59-3019-r242.lbl.gov | 0 | | |
| 131.243.242.106 | ap345-59-3027b-r242.lbl.gov | 0 | | |
| 131.243.242.107 | ap345-59-3037-r242.lbl.gov | 0 | | |
| 131.243.242.108 | ap345-59-3049-r242.lbl.gov | 0 | | |
| 131.243.242.109 | ap345-59-3054-r242.lbl.gov | 0 | | |
| 131.243.242.110 | ap345-59-3060b-r242.lbl.gov | 0 | | |
| 131.243.242.111 | ap345-59-3065-r242.lbl.gov | 0 | | |
| 131.243.242.112 | ap345-59-3070a-r242.lbl.gov | 0 | | |
| 131.243.242.113 | ap345-59-3075-r242.lbl.gov | 0 | | |
| 131.243.242.114 | ap345-59-3101-2-r242.lbl.gov | 0 | | |
| 131.243.242.115 | ap345-59-3101-3-r242.lbl.gov | 0 | | |
| 131.243.242.116 | ap345-59-3101-r242.lbl.gov | 0 | | |
| 131.243.242.117 | ap335-91-180-r242.lbl.gov | 0 | | |
| 131.243.242.118 | ap345-59-3106-r242.lbl.gov | 0 | | |
| 131.243.242.119 | ap345-59-3206-r242.lbl.gov | 0 | | |
| 131.243.242.120 | — | 0 | | |
| 131.243.242.121 | ap345-59-3213-r242.lbl.gov | 0 | | |
| 131.243.242.122 | ap345-59-3218-r242.lbl.gov | 0 | | |
| 131.243.242.123 | ap345-59-3219-r242.lbl.gov | 0 | | |
| 131.243.242.124 | ap345-59-3319-r242.lbl.gov | 0 | | |
| 131.243.242.125 | ap345-59-4011-r242.lbl.gov | 0 | | |
| 131.243.242.126 | ap345-59-4013d-r242.lbl.gov | 0 | | |
| 131.243.242.127 | ap345-59-4016l-r242.lbl.gov | 0 | | |
| 131.243.242.128 | ap345-59-4028-r242.lbl.gov | 0 | | |
| 131.243.242.129 | ap345-59-4101-r242.lbl.gov | 0 | | |
| 131.243.242.130 | ap345-59-4102-2-r242.lbl.gov | 0 | | |
| 131.243.242.131 | ap345-59-4102-r242.lbl.gov | 0 | | |
| 131.243.242.132 | ap345-59-4104-r242.lbl.gov | 0 | | |
| 131.243.242.133 | ap345-59-4110-r242.lbl.gov | 0 | | |
| 131.243.242.134 | ap345-59-4203n-r242.lbl.gov | 0 | | |
| 131.243.242.135 | ap345-59-4203s-r242.lbl.gov | 0 | | |
| 131.243.242.136 | — | 0 | | |
| 131.243.242.137 | ap345-59-4204e-r242.lbl.gov | 0 | | |
| 131.243.242.138 | — | 0 | | |
| 131.243.242.139 | ap345-59-4205e-r242.lbl.gov | 0 | | |
| 131.243.242.140 | ap345-59-4205s-r242.lbl.gov | 0 | | |
| 131.243.242.141 | ap345-59-4205w-r242.lbl.gov | 0 | | |
| 131.243.242.142 | ap345-59-4206e-r242.lbl.gov | 0 | | |
| 131.243.242.143 | ap345-59-4206w-r242.lbl.gov | 0 | | |
| 131.243.242.144 | ap345-59-2102-1-2-r242.lbl.gov | 0 | | |
| 131.243.242.145 | ap345-59-4204w-2-r242.lbl.gov | 0 | | |
| 131.243.242.146 | ap375-91-parking-lot-i-r242.lbl.gov | 0 | | |
| 131.243.242.147 | — | 0 | | |
| 131.243.242.148 | — | 0 | | |
| 131.243.242.149 | — | 0 | | |
| 131.243.242.150 | — | 0 | | |
| 131.243.242.151 | — | 0 | | |
| 131.243.242.152 | — | 0 | | |
| 131.243.242.153 | — | 0 | | |
| 131.243.242.154 | ap345-1-208-r242.lbl.gov | 0 | | |
| 131.243.242.155 | — | 0 | | |
| 131.243.242.156 | — | 0 | | |
| 131.243.242.157 | — | 0 | | |
| 131.243.242.158 | — | 0 | | |
| 131.243.242.159 | — | 0 | | |
| 131.243.242.160 | — | 0 | | |
| 131.243.242.161 | — | 0 | | |
| 131.243.242.162 | — | 0 | | |
| 131.243.242.163 | — | 0 | | |
| 131.243.242.164 | — | 0 | | |
| 131.243.242.165 | — | 0 | | |
| 131.243.242.166 | — | 0 | | |
| 131.243.242.167 | — | 0 | | |
| 131.243.242.168 | — | 0 | | |
| 131.243.242.169 | — | 0 | | |
| 131.243.242.170 | — | 0 | | |
| 131.243.242.171 | — | 0 | | |
| 131.243.242.172 | — | 0 | | |
| 131.243.242.173 | — | 0 | | |
| 131.243.242.174 | ap345-50a-0135-3-r242.lbl.gov | 0 | | |
| 131.243.242.175 | ap345-1-405-r242.lbl.gov | 0 | | |
| 131.243.242.176 | — | 0 | | |
| 131.243.242.177 | ap375-91-food-trucks-r242.lbl.gov | 0 | | |
| 131.243.242.178 | — | 0 | | |
| 131.243.242.179 | — | 0 | | |
| 131.243.242.180 | ap345-50a-4112d-2-r242.lbl.gov | 0 | | |
| 131.243.242.181 | — | 0 | | |
| 131.243.242.182 | ap345-50a-1116-r242.lbl.gov | 0 | | |
| 131.243.242.183 | ap345-59-3207-2-r242.lbl.gov | 0 | | |
| 131.243.242.184 | ap345-50a-1140c-2-r242.lbl.gov | 0 | | |
| 131.243.242.185 | ap375-91-balcony-r242.lbl.gov | 0 | | |
| 131.243.242.186 | ap345-50a-5131-2-r242.lbl.gov | 0 | | |
| 131.243.242.187 | ap375-91-entrance-ne-r242.lbl.gov | 0 | | |
| 131.243.242.188 | ap375-91-entrance-sw-r242.lbl.gov | 0 | | |
| 131.243.242.189 | ap375-91-terrace-e-r242.lbl.gov | 0 | | |
| 131.243.242.190 | ap375-91-terrace-w-r242.lbl.gov | 0 | | |
| 131.243.242.191 | ap345-92-334-r242.lbl.gov | 0 | | |
| 131.243.242.192 | ap345-92-114-r242.lbl.gov | 0 | | |
| 131.243.242.193 | ap375-59-patio-r242.lbl.gov | 0 | | |
| 131.243.242.194 | ap345-50a-1142-r242.lbl.gov | 0 | | |
| 131.243.242.195 | ap345-92-100-r242.lbl.gov | 0 | | |
| 131.243.242.196 | ap345-92-101-r242.lbl.gov | 0 | | |
| 131.243.242.197 | ap377-91-parking-lot-i-r242.lbl.gov | 0 | | |
| 131.243.242.198 | ap345-92-119-r242.lbl.gov | 0 | | |
| 131.243.242.199 | ap345-92-122-r242.lbl.gov | 0 | | |
| 131.243.242.200 | ap345-92-124-r242.lbl.gov | 0 | | |
| 131.243.242.201 | ap345-92-130s-r242.lbl.gov | 0 | | |
| 131.243.242.202 | ap345-92-131b-r242.lbl.gov | 0 | | |
| 131.243.242.203 | ap345-92-131s-1-r242.lbl.gov | 0 | | |
| 131.243.242.204 | ap345-92-131s-2-r242.lbl.gov | 0 | | |
| 131.243.242.205 | ap345-92-131s-3-r242.lbl.gov | 0 | | |
| 131.243.242.206 | ap345-92-133s-1-r242.lbl.gov | 0 | | |
| 131.243.242.207 | ap345-92-133s-2-r242.lbl.gov | 0 | | |
| 131.243.242.208 | ap345-92-135-r242.lbl.gov | 0 | | |
| 131.243.242.209 | ap345-92-145-r242.lbl.gov | 0 | | |
| 131.243.242.210 | ap345-92-180-r242.lbl.gov | 0 | | |
| 131.243.242.211 | ap345-92-181-r242.lbl.gov | 0 | | |
| 131.243.242.212 | ap345-92-182-r242.lbl.gov | 0 | | |
| 131.243.242.213 | ap345-92-184-r242.lbl.gov | 0 | | |
| 131.243.242.214 | ap345-92-185-r242.lbl.gov | 0 | | |
| 131.243.242.215 | ap345-92-202-r242.lbl.gov | 0 | | |
| 131.243.242.216 | ap345-92-214-r242.lbl.gov | 0 | | |
| 131.243.242.217 | ap345-92-217-r242.lbl.gov | 0 | | |
| 131.243.242.218 | ap345-92-221-1-r242.lbl.gov | 0 | | |
| 131.243.242.219 | ap345-92-221-2-r242.lbl.gov | 0 | | |
| 131.243.242.220 | ap345-92-221-3-r242.lbl.gov | 0 | | |
| 131.243.242.221 | ap345-92-222-1-r242.lbl.gov | 0 | | |
| 131.243.242.222 | ap345-92-222-2-r242.lbl.gov | 0 | | |
| 131.243.242.223 | ap345-92-224-r242.lbl.gov | 0 | | |
| 131.243.242.224 | ap345-92-233-1-r242.lbl.gov | 0 | | |
| 131.243.242.225 | ap345-92-233-2-r242.lbl.gov | 0 | | |
| 131.243.242.226 | ap345-92-237-r242.lbl.gov | 0 | | |
| 131.243.242.227 | ap345-92-243-r242.lbl.gov | 0 | | |
| 131.243.242.228 | ap345-92-280-r242.lbl.gov | 0 | | |
| 131.243.242.229 | ap345-92-283-r242.lbl.gov | 0 | | |
| 131.243.242.230 | ap345-92-284-r242.lbl.gov | 0 | | |
| 131.243.242.231 | ap345-92-302-r242.lbl.gov | 0 | | |
| 131.243.242.232 | ap345-92-314-r242.lbl.gov | 0 | | |
| 131.243.242.233 | ap345-92-319-r242.lbl.gov | 0 | | |
| 131.243.242.234 | ap345-92-320-1-r242.lbl.gov | 0 | | |
| 131.243.242.235 | ap345-92-320-2-r242.lbl.gov | 0 | | |
| 131.243.242.236 | ap345-92-321-r242.lbl.gov | 0 | | |
| 131.243.242.237 | ap345-92-322-r242.lbl.gov | 0 | | |
| 131.243.242.238 | ap345-92-324-r242.lbl.gov | 0 | | |
| 131.243.242.239 | ap345-92-331-1-r242.lbl.gov | 0 | | |
| 131.243.242.240 | ap345-92-331-2-r242.lbl.gov | 0 | | |
| 131.243.242.241 | ap345-92-333-2-r242.lbl.gov | 0 | | |
| 131.243.242.242 | ap345-92-333-3-r242.lbl.gov | 0 | | |
| 131.243.242.243 | ap345-92-333-1-r242.lbl.gov | 0 | | |
| 131.243.242.244 | ap345-92-337-r242.lbl.gov | 0 | | |
| 131.243.242.245 | ap345-92-349-r242.lbl.gov | 0 | | |
| 131.243.242.246 | ap345-92-380-r242.lbl.gov | 0 | | |
| 131.243.242.247 | ap345-92-381-r242.lbl.gov | 0 | | |
| 131.243.242.248 | ap345-92-402-r242.lbl.gov | 0 | | |
| 131.243.242.249 | ap345-92-419-1-r242.lbl.gov | 0 | | |
| 131.243.242.250 | ap345-92-420-r242.lbl.gov | 0 | | |
| 131.243.242.251 | ap345-92-421-r242.lbl.gov | 0 | | |
| 131.243.242.252 | ap345-92-422-1-r242.lbl.gov | 0 | | |
| 131.243.242.253 | ap345-92-422-2-r242.lbl.gov | 0 | | |
| 131.243.242.254 | ap345-92-431-1-r242.lbl.gov | 0 | | |
| 131.243.242.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f4 -m16 131.243.242.234
traceroute to 131.243.242.234 (131.243.242.234): 16 hops max, 52 byte packets
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Measurement taken from 
IPinfo ProbeNet in Phoenix, US
IPinfo ProbeNet in Phoenix, USOn