Summary
| ASN | AS1968 UMASSNET |
| BGP | 158.121.0.0/16 |
| IPs with RDNS | 212 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 158.121.103.0 | — | 0 |  | |
| 158.121.103.1 | casim.bio.umb.edu | 0 | | |
| 158.121.103.2 | bawa.bio.umb.edu | 0 | | |
| 158.121.103.3 | sonja.bio.umb.edu | 0 | | |
| 158.121.103.4 | ranjit.bio.umb.edu | 0 | | |
| 158.121.103.5 | tshering.bio.umb.edu | 0 | | |
| 158.121.103.6 | daffy.bio.umb.edu | 0 | | |
| 158.121.103.7 | porky.bio.umb.edu | 0 | | |
| 158.121.103.8 | rbennett.bio.umb.edu | 0 | | |
| 158.121.103.9 | scied.bio.umb.edu | 0 | | |
| 158.121.103.10 | labed.bio.umb.edu | 0 | | |
| 158.121.103.11 | — | 0 | | |
| 158.121.103.12 | manduca.bio.umb.edu | 0 | | |
| 158.121.103.13 | — | 0 | | |
| 158.121.103.14 | mudbugs.bio.umb.edu | 0 | | |
| 158.121.103.15 | daya.bio.umb.edu | 0 | | |
| 158.121.103.16 | nikester.bio.umb.edu | 0 | | |
| 158.121.103.17 | — | 0 | | |
| 158.121.103.18 | — | 0 | | |
| 158.121.103.19 | whitelab.bio.umb.edu | 0 | | |
| 158.121.103.20 | punjab.bio.umb.edu | 0 | | |
| 158.121.103.21 | kerala.bio.umb.edu | 0 | | |
| 158.121.103.22 | bawasun.bio.umb.edu | 0 | | |
| 158.121.103.23 | casim2.bio.umb.edu | 0 | | |
| 158.121.103.24 | solab.bio.umb.edu | 0 | | |
| 158.121.103.25 | brault.bio.umb.edu | 0 | | |
| 158.121.103.26 | fisher.bio.umb.edu | 0 | | |
| 158.121.103.27 | — | 0 | | |
| 158.121.103.28 | lelia.bio.umb.edu | 0 | | |
| 158.121.103.29 | rexgsa.bio.umb.edu | 0 | | |
| 158.121.103.30 | — | 0 | | |
| 158.121.103.31 | rwhite.bio.umb.edu | 0 | | |
| 158.121.103.32 | nina.bio.umb.edu | 0 | | |
| 158.121.103.33 | davise.bio.umb.edu | 0 | | |
| 158.121.103.34 | sktwolab.bio.umb.edu | 0 | | |
| 158.121.103.35 | bawalab.bio.umb.edu | 0 | | |
| 158.121.103.36 | kesselilab.bio.umb.edu | 0 | | |
| 158.121.103.37 | — | 0 | | |
| 158.121.103.38 | crypto.bio.umb.edu | 0 | | |
| 158.121.103.39 | sackerman.bio.umb.edu | 0 | | |
| 158.121.103.40 | devlab.bio.umb.edu | 0 | | |
| 158.121.103.41 | — | 0 | | |
| 158.121.103.42 | rexsi.bio.umb.edu | 0 | | |
| 158.121.103.43 | mrex.bio.umb.edu | 0 | | |
| 158.121.103.44 | janners.bio.umb.edu | 0 | | |
| 158.121.103.45 | — | 0 | | |
| 158.121.103.46 | kyra.bio.umb.edu | 0 | | |
| 158.121.103.47 | skvirsky.bio.umb.edu | 0 | | |
| 158.121.103.48 | casim3.bio.umb.edu | 0 | | |
| 158.121.103.49 | sequencer.bio.umb.edu | 0 | | |
| 158.121.103.50 | microcosm.bio.umb.edu | 0 | | |
| 158.121.103.51 | eseaman.bio.umb.edu | 0 | | |
| 158.121.103.52 | scribe.bio.umb.edu | 0 | | |
| 158.121.103.53 | skvirskyoff.bio.umb.edu | 0 | | |
| 158.121.103.54 | mastrangelo.bio.umb.edu | 0 | | |
| 158.121.103.55 | pollacklap.bio.umb.edu | 0 | | |
| 158.121.103.56 | brault3.bio.umb.edu | 0 | | |
| 158.121.103.57 | kenny.bio.umb.edu | 0 | | |
| 158.121.103.58 | meganeura.bio.umb.edu | 0 | | |
| 158.121.103.59 | pegasus.bio.umb.edu | 0 | | |
| 158.121.103.60 | mothra.bio.umb.edu | 0 | | |
| 158.121.103.61 | whitepc.bio.umb.edu | 0 | | |
| 158.121.103.62 | crisp.bio.umb.edu | 0 | | |
| 158.121.103.63 | mendel.bio.umb.edu | 0 | | |
| 158.121.103.64 | franklin.bio.umb.edu | 0 | | |
| 158.121.103.65 | — | 0 | | |
| 158.121.103.66 | wright.bio.umb.edu | 0 | | |
| 158.121.103.67 | — | 0 | | |
| 158.121.103.68 | — | 0 | | |
| 158.121.103.69 | eadavis.bio.umb.edu | 0 | | |
| 158.121.103.70 | davisoff.bio.umb.edu | 0 | | |
| 158.121.103.71 | — | 0 | | |
| 158.121.103.72 | lkaplan.bio.umb.edu | 0 | | |
| 158.121.103.73 | storm840.bio.umb.edu | 0 | | |
| 158.121.103.74 | kess.bio.umb.edu | 0 | | |
| 158.121.103.75 | benthos.bio.umb.edu | 0 | | |
| 158.121.103.76 | — | 0 | | |
| 158.121.103.77 | darwin.bio.umb.edu | 0 | | |
| 158.121.103.78 | — | 0 | | |
| 158.121.103.79 | jaguar.bio.umb.edu | 0 | | |
| 158.121.103.80 | — | 0 | | |
| 158.121.103.81 | ebersole.bio.umb.edu | 0 | | |
| 158.121.103.82 | — | 0 | | |
| 158.121.103.83 | orca.bio.umb.edu | 0 | | |
| 158.121.103.84 | smaug.bio.umb.edu | 0 | | |
| 158.121.103.85 | mus.bio.umb.edu | 0 | | |
| 158.121.103.86 | ken.bio.umb.edu | 0 | | |
| 158.121.103.87 | — | 0 | | |
| 158.121.103.88 | charlie.bio.umb.edu | 0 | | |
| 158.121.103.89 | — | 0 | | |
| 158.121.103.90 | — | 0 | | |
| 158.121.103.91 | — | 0 | | |
| 158.121.103.92 | skonelab.bio.umb.edu | 0 | | |
| 158.121.103.93 | coatue.bio.umb.edu | 0 | | |
| 158.121.103.94 | huang.bio.umb.edu | 0 | | |
| 158.121.103.95 | timon.bio.umb.edu | 0 | | |
| 158.121.103.96 | laridae.bio.umb.edu | 0 | | |
| 158.121.103.97 | flyguy.bio.umb.edu | 0 | | |
| 158.121.103.98 | gindhart.bio.umb.edu | 0 | | |
| 158.121.103.99 | green.chem.umb.edu | 0 | | |
| 158.121.103.100 | microbe2.bio.umb.edu | 0 | | |
| 158.121.103.101 | phaseolus.bio.umb.edu | 0 | | |
| 158.121.103.102 | goesto11.bio.umb.edu | 0 | | |
| 158.121.103.103 | ugmbl1.bio.umb.edu | 0 | | |
| 158.121.103.104 | ugmbl2.bio.umb.edu | 0 | | |
| 158.121.103.105 | — | 0 | | |
| 158.121.103.106 | laptop01.bio.umb.edu | 0 | | |
| 158.121.103.107 | reprooffice.bio.umb.edu | 0 | | |
| 158.121.103.108 | iwuvumav.bio.umb.edu | 0 | | |
| 158.121.103.109 | bawalap.bio.umb.edu | 0 | | |
| 158.121.103.110 | sterna.bio.umb.edu | 0 | | |
| 158.121.103.111 | skthreelab.bio.umb.edu | 0 | | |
| 158.121.103.112 | lando.bio.umb.edu | 0 | | |
| 158.121.103.113 | lab114.bio.umb.edu | 0 | | |
| 158.121.103.114 | micron.bio.umb.edu | 0 | | |
| 158.121.103.115 | shiarisgsa1.bio.umb.edu | 0 | | |
| 158.121.103.116 | shiarisgsa2.bio.umb.edu | 0 | | |
| 158.121.103.117 | gbeck.bio.umb.edu | 0 | | |
| 158.121.103.118 | alpla2.bio.umb.edu | 0 | | |
| 158.121.103.119 | cougar.bio.umb.edu | 0 | | |
| 158.121.103.120 | — | 0 | | |
| 158.121.103.121 | lab030-01.bio.umb.edu | 0 | | |
| 158.121.103.122 | lab030-02.bio.umb.edu | 0 | | |
| 158.121.103.123 | lab030-03.bio.umb.edu | 0 | | |
| 158.121.103.124 | lab030-04.bio.umb.edu | 0 | | |
| 158.121.103.125 | lab030-05.bio.umb.edu | 0 | | |
| 158.121.103.126 | lab030-06.bio.umb.edu | 0 | | |
| 158.121.103.127 | lab030-07.bio.umb.edu | 0 | | |
| 158.121.103.128 | lab030-08.bio.umb.edu | 0 | | |
| 158.121.103.129 | lab030-09.bio.umb.edu | 0 | | |
| 158.121.103.130 | — | 0 | | |
| 158.121.103.131 | lab031-01.bio.umb.edu | 0 | | |
| 158.121.103.132 | lab031-02.bio.umb.edu | 0 | | |
| 158.121.103.133 | lab031-03.bio.umb.edu | 0 | | |
| 158.121.103.134 | lab031-04.bio.umb.edu | 0 | | |
| 158.121.103.135 | lab031-05.bio.umb.edu | 0 | | |
| 158.121.103.136 | lab031-06.bio.umb.edu | 0 | | |
| 158.121.103.137 | lab031-07.bio.umb.edu | 0 | | |
| 158.121.103.138 | lab031-08.bio.umb.edu | 0 | | |
| 158.121.103.139 | lab031-09.bio.umb.edu | 0 | | |
| 158.121.103.140 | lab031-10.bio.umb.edu | 0 | | |
| 158.121.103.141 | lab032-01.bio.umb.edu | 0 | | |
| 158.121.103.142 | lab032-02.bio.umb.edu | 0 | | |
| 158.121.103.143 | lab032-03.bio.umb.edu | 0 | | |
| 158.121.103.144 | lab032-04.bio.umb.edu | 0 | | |
| 158.121.103.145 | lab032-05.bio.umb.edu | 0 | | |
| 158.121.103.146 | lab032-06.bio.umb.edu | 0 | | |
| 158.121.103.147 | lab032-07.bio.umb.edu | 0 | | |
| 158.121.103.148 | lab032-08.bio.umb.edu | 0 | | |
| 158.121.103.149 | lab032-09.bio.umb.edu | 0 | | |
| 158.121.103.150 | lab032-10.bio.umb.edu | 0 | | |
| 158.121.103.151 | — | 0 | | |
| 158.121.103.152 | — | 0 | | |
| 158.121.103.153 | colonpc.bio.umb.edu | 0 | | |
| 158.121.103.154 | grad-off.bio.umb.edu | 0 | | |
| 158.121.103.155 | kang.bio.umb.edu | 0 | | |
| 158.121.103.156 | hagar-gsa.bio.umb.edu | 0 | | |
| 158.121.103.157 | kleene-gsa.bio.umb.edu | 0 | | |
| 158.121.103.158 | macfly.bio.umb.edu | 0 | | |
| 158.121.103.159 | kleenelab.bio.umb.edu | 0 | | |
| 158.121.103.160 | microtope.bio.umb.edu | 0 | | |
| 158.121.103.161 | — | 0 | | |
| 158.121.103.162 | adrian.bio.umb.edu | 0 | | |
| 158.121.103.163 | golgi.bio.umb.edu | 0 | | |
| 158.121.103.164 | huxley.bio.umb.edu | 0 | | |
| 158.121.103.165 | — | 0 | | |
| 158.121.103.166 | miledi.bio.umb.edu | 0 | | |
| 158.121.103.167 | brianpb.bio.umb.edu | 0 | | |
| 158.121.103.168 | braultlap.bio.umb.edu | 0 | | |
| 158.121.103.169 | etter.bio.umb.edu | 0 | | |
| 158.121.103.170 | diaz.bio.umb.edu | 0 | | |
| 158.121.103.171 | — | 0 | | |
| 158.121.103.172 | kleene.bio.umb.edu | 0 | | |
| 158.121.103.173 | — | 0 | | |
| 158.121.103.174 | coralreef.bio.umb.edu | 0 | | |
| 158.121.103.175 | ebersole2.bio.umb.edu | 0 | | |
| 158.121.103.176 | colon3.bio.umb.edu | 0 | | |
| 158.121.103.177 | colon4.bio.umb.edu | 0 | | |
| 158.121.103.178 | bawagsa.bio.umb.edu | 0 | | |
| 158.121.103.179 | — | 0 | | |
| 158.121.103.180 | utopia.bio.umb.edu | 0 | | |
| 158.121.103.181 | kesselilap.bio.umb.edu | 0 | | |
| 158.121.103.182 | brault2.bio.umb.edu | 0 | | |
| 158.121.103.183 | — | 0 | | |
| 158.121.103.184 | wheat.bio.umb.edu | 0 | | |
| 158.121.103.185 | manatee.bio.umb.edu | 0 | | |
| 158.121.103.186 | stevenson.bio.umb.edu | 0 | | |
| 158.121.103.187 | hq20d31.bio.umb.edu | 0 | | |
| 158.121.103.188 | — | 0 | | |
| 158.121.103.189 | colon1.bio.umb.edu | 0 | | |
| 158.121.103.190 | colon2.bio.umb.edu | 0 | | |
| 158.121.103.191 | repro2.bio.umb.edu | 0 | | |
| 158.121.103.192 | solab2.bio.umb.edu | 0 | | |
| 158.121.103.193 | efg.bio.umb.edu | 0 | | |
| 158.121.103.194 | rosie.bio.umb.edu | 0 | | |
| 158.121.103.195 | neuroprn1.bio.umb.edu | 0 | | |
| 158.121.103.196 | neuroprn2.bio.umb.edu | 0 | | |
| 158.121.103.197 | — | 0 | | |
| 158.121.103.198 | — | 0 | | |
| 158.121.103.199 | motorhead.bio.umb.edu | 0 | | |
| 158.121.103.200 | — | 0 | | |
| 158.121.103.201 | alperlap.chem.umb.edu | 0 | | |
| 158.121.103.202 | — | 0 | | |
| 158.121.103.203 | lobel.bio.umb.edu | 0 | | |
| 158.121.103.204 | seao.bio.umb.edu | 0 | | |
| 158.121.103.205 | skyo.bio.umb.edu | 0 | | |
| 158.121.103.206 | forbesi.bio.umb.edu | 0 | | |
| 158.121.103.207 | whitelabdv.bio.umb.edu | 0 | | |
| 158.121.103.208 | whitelabpc.bio.umb.edu | 0 | | |
| 158.121.103.209 | rapd.bio.umb.edu | 0 | | |
| 158.121.103.210 | webber.bio.umb.edu | 0 | | |
| 158.121.103.211 | bigb.bio.umb.edu | 0 | | |
| 158.121.103.212 | whitegsa.bio.umb.edu | 0 | | |
| 158.121.103.213 | forget.bio.umb.edu | 0 | | |
| 158.121.103.214 | arnold.bio.umb.edu | 0 | | |
| 158.121.103.215 | pollack.bio.umb.edu | 0 | | |
| 158.121.103.216 | arun.bio.umb.edu | 0 | | |
| 158.121.103.217 | reardon.chem.umb.edu | 0 | | |
| 158.121.103.218 | hagar.bio.umb.edu | 0 | | |
| 158.121.103.219 | pollacklab.bio.umb.edu | 0 | | |
| 158.121.103.220 | mohan.bio.umb.edu | 0 | | |
| 158.121.103.221 | pollacklab2.bio.umb.edu | 0 | | |
| 158.121.103.222 | pollacklab3.bio.umb.edu | 0 | | |
| 158.121.103.223 | kesseli.bio.umb.edu | 0 | | |
| 158.121.103.224 | deepsea.bio.umb.edu | 0 | | |
| 158.121.103.225 | kleene-gsa2.bio.umb.edu | 0 | | |
| 158.121.103.226 | odle.bio.umb.edu | 0 | | |
| 158.121.103.227 | maurer.bio.umb.edu | 0 | | |
| 158.121.103.228 | becklab1.bio.umb.edu | 0 | | |
| 158.121.103.229 | becklab2.bio.umb.edu | 0 | | |
| 158.121.103.230 | — | 0 | | |
| 158.121.103.231 | infotech.bio.umb.edu | 0 | | |
| 158.121.103.232 | ruiz.bio.umb.edu | 0 | | |
| 158.121.103.233 | lab114-01.bio.umb.edu | 0 | | |
| 158.121.103.234 | lab114-02.bio.umb.edu | 0 | | |
| 158.121.103.235 | lab114-03.bio.umb.edu | 0 | | |
| 158.121.103.236 | lab114-04.bio.umb.edu | 0 | | |
| 158.121.103.237 | lab116-01.bio.umb.edu | 0 | | |
| 158.121.103.238 | lab116-02.bio.umb.edu | 0 | | |
| 158.121.103.239 | lab116-03.bio.umb.edu | 0 | | |
| 158.121.103.240 | lab116-04.bio.umb.edu | 0 | | |
| 158.121.103.241 | medaglia.bio.umb.edu | 0 | | |
| 158.121.103.242 | anatlab01.bio.umb.edu | 0 | | |
| 158.121.103.243 | anatlab02.bio.umb.edu | 0 | | |
| 158.121.103.244 | anatlab03.bio.umb.edu | 0 | | |
| 158.121.103.245 | anatlab04.bio.umb.edu | 0 | | |
| 158.121.103.246 | anatlab05.bio.umb.edu | 0 | | |
| 158.121.103.247 | anatlab06.bio.umb.edu | 0 | | |
| 158.121.103.248 | allen.bio.umb.edu | 0 | | |
| 158.121.103.249 | huanglab.bio.umb.edu | 0 | | |
| 158.121.103.250 | — | 0 | | |
| 158.121.103.251 | — | 0 | | |
| 158.121.103.252 | — | 0 | | |
| 158.121.103.253 | — | 0 | | |
| 158.121.103.254 | ebersolegsa.bio.umb.edu | 0 | | |
| 158.121.103.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f3 -m9 158.121.103.103
traceroute to 158.121.103.103 (158.121.103.103): 9 hops max, 52 byte packets
7 *
8 *
9 *
Measurement taken from 
IPinfo ProbeNet in Sofia, BG
IPinfo ProbeNet in Sofia, BGOn