Summary
| ASN | AS1968 UMASSNET |
| BGP | 158.121.0.0/16 |
| IPs with RDNS | 254 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 158.121.231.0 | — | 0 |  | |
| 158.121.231.1 | dhcp-158-121-231-1.umb.edu | 0 | | |
| 158.121.231.2 | dhcp-158-121-231-2.umb.edu | 0 | | |
| 158.121.231.3 | dhcp-158-121-231-3.umb.edu | 0 | | |
| 158.121.231.4 | dhcp-158-121-231-4.umb.edu | 0 | | |
| 158.121.231.5 | dhcp-158-121-231-5.umb.edu | 0 | | |
| 158.121.231.6 | dhcp-158-121-231-6.umb.edu | 0 | | |
| 158.121.231.7 | dhcp-158-121-231-7.umb.edu | 0 | | |
| 158.121.231.8 | dhcp-158-121-231-8.umb.edu | 0 | | |
| 158.121.231.9 | dhcp-158-121-231-9.umb.edu | 0 | | |
| 158.121.231.10 | dhcp-158-121-231-10.umb.edu | 0 | | |
| 158.121.231.11 | dhcp-158-121-231-11.umb.edu | 0 | | |
| 158.121.231.12 | dhcp-158-121-231-12.umb.edu | 0 | | |
| 158.121.231.13 | dhcp-158-121-231-13.umb.edu | 0 | | |
| 158.121.231.14 | dhcp-158-121-231-14.umb.edu | 0 | | |
| 158.121.231.15 | dhcp-158-121-231-15.umb.edu | 0 | | |
| 158.121.231.16 | dhcp-158-121-231-16.umb.edu | 0 | | |
| 158.121.231.17 | dhcp-158-121-231-17.umb.edu | 0 | | |
| 158.121.231.18 | dhcp-158-121-231-18.umb.edu | 0 | | |
| 158.121.231.19 | dhcp-158-121-231-19.umb.edu | 0 | | |
| 158.121.231.20 | dhcp-158-121-231-20.umb.edu | 0 | | |
| 158.121.231.21 | dhcp-158-121-231-21.umb.edu | 0 | | |
| 158.121.231.22 | dhcp-158-121-231-22.umb.edu | 0 | | |
| 158.121.231.23 | dhcp-158-121-231-23.umb.edu | 0 | | |
| 158.121.231.24 | dhcp-158-121-231-24.umb.edu | 0 | | |
| 158.121.231.25 | dhcp-158-121-231-25.umb.edu | 0 | | |
| 158.121.231.26 | dhcp-158-121-231-26.umb.edu | 0 | | |
| 158.121.231.27 | dhcp-158-121-231-27.umb.edu | 0 | | |
| 158.121.231.28 | dhcp-158-121-231-28.umb.edu | 0 | | |
| 158.121.231.29 | dhcp-158-121-231-29.umb.edu | 0 | | |
| 158.121.231.30 | dhcp-158-121-231-30.umb.edu | 0 | | |
| 158.121.231.31 | dhcp-158-121-231-31.umb.edu | 0 | | |
| 158.121.231.32 | dhcp-158-121-231-32.umb.edu | 0 | | |
| 158.121.231.33 | dhcp-158-121-231-33.umb.edu | 0 | | |
| 158.121.231.34 | dhcp-158-121-231-34.umb.edu | 0 | | |
| 158.121.231.35 | dhcp-158-121-231-35.umb.edu | 0 | | |
| 158.121.231.36 | dhcp-158-121-231-36.umb.edu | 0 | | |
| 158.121.231.37 | dhcp-158-121-231-37.umb.edu | 0 | | |
| 158.121.231.38 | dhcp-158-121-231-38.umb.edu | 0 | | |
| 158.121.231.39 | dhcp-158-121-231-39.umb.edu | 0 | | |
| 158.121.231.40 | dhcp-158-121-231-40.umb.edu | 0 | | |
| 158.121.231.41 | dhcp-158-121-231-41.umb.edu | 0 | | |
| 158.121.231.42 | dhcp-158-121-231-42.umb.edu | 0 | | |
| 158.121.231.43 | dhcp-158-121-231-43.umb.edu | 0 | | |
| 158.121.231.44 | dhcp-158-121-231-44.umb.edu | 0 | | |
| 158.121.231.45 | dhcp-158-121-231-45.umb.edu | 0 | | |
| 158.121.231.46 | dhcp-158-121-231-46.umb.edu | 0 | | |
| 158.121.231.47 | dhcp-158-121-231-47.umb.edu | 0 | | |
| 158.121.231.48 | dhcp-158-121-231-48.umb.edu | 0 | | |
| 158.121.231.49 | dhcp-158-121-231-49.umb.edu | 0 | | |
| 158.121.231.50 | dhcp-158-121-231-50.umb.edu | 0 | | |
| 158.121.231.51 | dhcp-158-121-231-51.umb.edu | 0 | | |
| 158.121.231.52 | dhcp-158-121-231-52.umb.edu | 0 | | |
| 158.121.231.53 | dhcp-158-121-231-53.umb.edu | 0 | | |
| 158.121.231.54 | dhcp-158-121-231-54.umb.edu | 0 | | |
| 158.121.231.55 | dhcp-158-121-231-55.umb.edu | 0 | | |
| 158.121.231.56 | dhcp-158-121-231-56.umb.edu | 0 | | |
| 158.121.231.57 | dhcp-158-121-231-57.umb.edu | 0 | | |
| 158.121.231.58 | dhcp-158-121-231-58.umb.edu | 0 | | |
| 158.121.231.59 | dhcp-158-121-231-59.umb.edu | 0 | | |
| 158.121.231.60 | dhcp-158-121-231-60.umb.edu | 0 | | |
| 158.121.231.61 | dhcp-158-121-231-61.umb.edu | 0 | | |
| 158.121.231.62 | dhcp-158-121-231-62.umb.edu | 0 | | |
| 158.121.231.63 | dhcp-158-121-231-63.umb.edu | 0 | | |
| 158.121.231.64 | dhcp-158-121-231-64.umb.edu | 0 | | |
| 158.121.231.65 | dhcp-158-121-231-65.umb.edu | 0 | | |
| 158.121.231.66 | dhcp-158-121-231-66.umb.edu | 0 | | |
| 158.121.231.67 | dhcp-158-121-231-67.umb.edu | 0 | | |
| 158.121.231.68 | dhcp-158-121-231-68.umb.edu | 0 | | |
| 158.121.231.69 | dhcp-158-121-231-69.umb.edu | 0 | | |
| 158.121.231.70 | dhcp-158-121-231-70.umb.edu | 0 | | |
| 158.121.231.71 | dhcp-158-121-231-71.umb.edu | 0 | | |
| 158.121.231.72 | dhcp-158-121-231-72.umb.edu | 0 | | |
| 158.121.231.73 | dhcp-158-121-231-73.umb.edu | 0 | | |
| 158.121.231.74 | dhcp-158-121-231-74.umb.edu | 0 | | |
| 158.121.231.75 | dhcp-158-121-231-75.umb.edu | 0 | | |
| 158.121.231.76 | dhcp-158-121-231-76.umb.edu | 0 | | |
| 158.121.231.77 | dhcp-158-121-231-77.umb.edu | 0 | | |
| 158.121.231.78 | dhcp-158-121-231-78.umb.edu | 0 | | |
| 158.121.231.79 | dhcp-158-121-231-79.umb.edu | 0 | | |
| 158.121.231.80 | dhcp-158-121-231-80.umb.edu | 0 | | |
| 158.121.231.81 | dhcp-158-121-231-81.umb.edu | 0 | | |
| 158.121.231.82 | dhcp-158-121-231-82.umb.edu | 0 | | |
| 158.121.231.83 | dhcp-158-121-231-83.umb.edu | 0 | | |
| 158.121.231.84 | dhcp-158-121-231-84.umb.edu | 0 | | |
| 158.121.231.85 | dhcp-158-121-231-85.umb.edu | 0 | | |
| 158.121.231.86 | dhcp-158-121-231-86.umb.edu | 0 | | |
| 158.121.231.87 | dhcp-158-121-231-87.umb.edu | 0 | | |
| 158.121.231.88 | dhcp-158-121-231-88.umb.edu | 0 | | |
| 158.121.231.89 | dhcp-158-121-231-89.umb.edu | 0 | | |
| 158.121.231.90 | dhcp-158-121-231-90.umb.edu | 0 | | |
| 158.121.231.91 | dhcp-158-121-231-91.umb.edu | 0 | | |
| 158.121.231.92 | dhcp-158-121-231-92.umb.edu | 0 | | |
| 158.121.231.93 | dhcp-158-121-231-93.umb.edu | 0 | | |
| 158.121.231.94 | dhcp-158-121-231-94.umb.edu | 0 | | |
| 158.121.231.95 | dhcp-158-121-231-95.umb.edu | 0 | | |
| 158.121.231.96 | dhcp-158-121-231-96.umb.edu | 0 | | |
| 158.121.231.97 | dhcp-158-121-231-97.umb.edu | 0 | | |
| 158.121.231.98 | dhcp-158-121-231-98.umb.edu | 0 | | |
| 158.121.231.99 | dhcp-158-121-231-99.umb.edu | 0 | | |
| 158.121.231.100 | dhcp-158-121-231-100.umb.edu | 0 | | |
| 158.121.231.101 | dhcp-158-121-231-101.umb.edu | 0 | | |
| 158.121.231.102 | dhcp-158-121-231-102.umb.edu | 0 | | |
| 158.121.231.103 | dhcp-158-121-231-103.umb.edu | 0 | | |
| 158.121.231.104 | dhcp-158-121-231-104.umb.edu | 0 | | |
| 158.121.231.105 | dhcp-158-121-231-105.umb.edu | 0 | | |
| 158.121.231.106 | dhcp-158-121-231-106.umb.edu | 0 | | |
| 158.121.231.107 | dhcp-158-121-231-107.umb.edu | 0 | | |
| 158.121.231.108 | dhcp-158-121-231-108.umb.edu | 0 | | |
| 158.121.231.109 | dhcp-158-121-231-109.umb.edu | 0 | | |
| 158.121.231.110 | dhcp-158-121-231-110.umb.edu | 0 | | |
| 158.121.231.111 | dhcp-158-121-231-111.umb.edu | 0 | | |
| 158.121.231.112 | dhcp-158-121-231-112.umb.edu | 0 | | |
| 158.121.231.113 | dhcp-158-121-231-113.umb.edu | 0 | | |
| 158.121.231.114 | dhcp-158-121-231-114.umb.edu | 0 | | |
| 158.121.231.115 | dhcp-158-121-231-115.umb.edu | 0 | | |
| 158.121.231.116 | dhcp-158-121-231-116.umb.edu | 0 | | |
| 158.121.231.117 | dhcp-158-121-231-117.umb.edu | 0 | | |
| 158.121.231.118 | dhcp-158-121-231-118.umb.edu | 0 | | |
| 158.121.231.119 | dhcp-158-121-231-119.umb.edu | 0 | | |
| 158.121.231.120 | dhcp-158-121-231-120.umb.edu | 0 | | |
| 158.121.231.121 | dhcp-158-121-231-121.umb.edu | 0 | | |
| 158.121.231.122 | dhcp-158-121-231-122.umb.edu | 0 | | |
| 158.121.231.123 | dhcp-158-121-231-123.umb.edu | 0 | | |
| 158.121.231.124 | dhcp-158-121-231-124.umb.edu | 0 | | |
| 158.121.231.125 | dhcp-158-121-231-125.umb.edu | 0 | | |
| 158.121.231.126 | dhcp-158-121-231-126.umb.edu | 0 | | |
| 158.121.231.127 | dhcp-158-121-231-127.umb.edu | 0 | | |
| 158.121.231.128 | dhcp-158-121-231-128.umb.edu | 0 | | |
| 158.121.231.129 | dhcp-158-121-231-129.umb.edu | 0 | | |
| 158.121.231.130 | dhcp-158-121-231-130.umb.edu | 0 | | |
| 158.121.231.131 | dhcp-158-121-231-131.umb.edu | 0 | | |
| 158.121.231.132 | dhcp-158-121-231-132.umb.edu | 0 | | |
| 158.121.231.133 | dhcp-158-121-231-133.umb.edu | 0 | | |
| 158.121.231.134 | dhcp-158-121-231-134.umb.edu | 0 | | |
| 158.121.231.135 | dhcp-158-121-231-135.umb.edu | 0 | | |
| 158.121.231.136 | dhcp-158-121-231-136.umb.edu | 0 | | |
| 158.121.231.137 | dhcp-158-121-231-137.umb.edu | 0 | | |
| 158.121.231.138 | dhcp-158-121-231-138.umb.edu | 0 | | |
| 158.121.231.139 | dhcp-158-121-231-139.umb.edu | 0 | | |
| 158.121.231.140 | dhcp-158-121-231-140.umb.edu | 0 | | |
| 158.121.231.141 | dhcp-158-121-231-141.umb.edu | 0 | | |
| 158.121.231.142 | dhcp-158-121-231-142.umb.edu | 0 | | |
| 158.121.231.143 | dhcp-158-121-231-143.umb.edu | 0 | | |
| 158.121.231.144 | dhcp-158-121-231-144.umb.edu | 0 | | |
| 158.121.231.145 | dhcp-158-121-231-145.umb.edu | 0 | | |
| 158.121.231.146 | dhcp-158-121-231-146.umb.edu | 0 | | |
| 158.121.231.147 | dhcp-158-121-231-147.umb.edu | 0 | | |
| 158.121.231.148 | dhcp-158-121-231-148.umb.edu | 0 | | |
| 158.121.231.149 | dhcp-158-121-231-149.umb.edu | 0 | | |
| 158.121.231.150 | dhcp-158-121-231-150.umb.edu | 0 | | |
| 158.121.231.151 | dhcp-158-121-231-151.umb.edu | 0 | | |
| 158.121.231.152 | dhcp-158-121-231-152.umb.edu | 0 | | |
| 158.121.231.153 | dhcp-158-121-231-153.umb.edu | 0 | | |
| 158.121.231.154 | dhcp-158-121-231-154.umb.edu | 0 | | |
| 158.121.231.155 | dhcp-158-121-231-155.umb.edu | 0 | | |
| 158.121.231.156 | dhcp-158-121-231-156.umb.edu | 0 | | |
| 158.121.231.157 | dhcp-158-121-231-157.umb.edu | 0 | | |
| 158.121.231.158 | dhcp-158-121-231-158.umb.edu | 0 | | |
| 158.121.231.159 | dhcp-158-121-231-159.umb.edu | 0 | | |
| 158.121.231.160 | dhcp-158-121-231-160.umb.edu | 0 | | |
| 158.121.231.161 | dhcp-158-121-231-161.umb.edu | 0 | | |
| 158.121.231.162 | dhcp-158-121-231-162.umb.edu | 0 | | |
| 158.121.231.163 | dhcp-158-121-231-163.umb.edu | 0 | | |
| 158.121.231.164 | dhcp-158-121-231-164.umb.edu | 0 | | |
| 158.121.231.165 | dhcp-158-121-231-165.umb.edu | 0 | | |
| 158.121.231.166 | dhcp-158-121-231-166.umb.edu | 0 | | |
| 158.121.231.167 | dhcp-158-121-231-167.umb.edu | 0 | | |
| 158.121.231.168 | dhcp-158-121-231-168.umb.edu | 0 | | |
| 158.121.231.169 | dhcp-158-121-231-169.umb.edu | 0 | | |
| 158.121.231.170 | dhcp-158-121-231-170.umb.edu | 0 | | |
| 158.121.231.171 | dhcp-158-121-231-171.umb.edu | 0 | | |
| 158.121.231.172 | dhcp-158-121-231-172.umb.edu | 0 | | |
| 158.121.231.173 | dhcp-158-121-231-173.umb.edu | 0 | | |
| 158.121.231.174 | dhcp-158-121-231-174.umb.edu | 0 | | |
| 158.121.231.175 | dhcp-158-121-231-175.umb.edu | 0 | | |
| 158.121.231.176 | dhcp-158-121-231-176.umb.edu | 0 | | |
| 158.121.231.177 | dhcp-158-121-231-177.umb.edu | 0 | | |
| 158.121.231.178 | dhcp-158-121-231-178.umb.edu | 0 | | |
| 158.121.231.179 | dhcp-158-121-231-179.umb.edu | 0 | | |
| 158.121.231.180 | dhcp-158-121-231-180.umb.edu | 0 | | |
| 158.121.231.181 | dhcp-158-121-231-181.umb.edu | 0 | | |
| 158.121.231.182 | dhcp-158-121-231-182.umb.edu | 0 | | |
| 158.121.231.183 | dhcp-158-121-231-183.umb.edu | 0 | | |
| 158.121.231.184 | dhcp-158-121-231-184.umb.edu | 0 | | |
| 158.121.231.185 | dhcp-158-121-231-185.umb.edu | 0 | | |
| 158.121.231.186 | dhcp-158-121-231-186.umb.edu | 0 | | |
| 158.121.231.187 | dhcp-158-121-231-187.umb.edu | 0 | | |
| 158.121.231.188 | dhcp-158-121-231-188.umb.edu | 0 | | |
| 158.121.231.189 | dhcp-158-121-231-189.umb.edu | 0 | | |
| 158.121.231.190 | dhcp-158-121-231-190.umb.edu | 0 | | |
| 158.121.231.191 | dhcp-158-121-231-191.umb.edu | 0 | | |
| 158.121.231.192 | dhcp-158-121-231-192.umb.edu | 0 | | |
| 158.121.231.193 | dhcp-158-121-231-193.umb.edu | 0 | | |
| 158.121.231.194 | dhcp-158-121-231-194.umb.edu | 0 | | |
| 158.121.231.195 | dhcp-158-121-231-195.umb.edu | 0 | | |
| 158.121.231.196 | dhcp-158-121-231-196.umb.edu | 0 | | |
| 158.121.231.197 | dhcp-158-121-231-197.umb.edu | 0 | | |
| 158.121.231.198 | dhcp-158-121-231-198.umb.edu | 0 | | |
| 158.121.231.199 | dhcp-158-121-231-199.umb.edu | 0 | | |
| 158.121.231.200 | dhcp-158-121-231-200.umb.edu | 0 | | |
| 158.121.231.201 | dhcp-158-121-231-201.umb.edu | 0 | | |
| 158.121.231.202 | dhcp-158-121-231-202.umb.edu | 0 | | |
| 158.121.231.203 | dhcp-158-121-231-203.umb.edu | 0 | | |
| 158.121.231.204 | dhcp-158-121-231-204.umb.edu | 0 | | |
| 158.121.231.205 | dhcp-158-121-231-205.umb.edu | 0 | | |
| 158.121.231.206 | dhcp-158-121-231-206.umb.edu | 0 | | |
| 158.121.231.207 | dhcp-158-121-231-207.umb.edu | 0 | | |
| 158.121.231.208 | dhcp-158-121-231-208.umb.edu | 0 | | |
| 158.121.231.209 | dhcp-158-121-231-209.umb.edu | 0 | | |
| 158.121.231.210 | dhcp-158-121-231-210.umb.edu | 0 | | |
| 158.121.231.211 | dhcp-158-121-231-211.umb.edu | 0 | | |
| 158.121.231.212 | dhcp-158-121-231-212.umb.edu | 0 | | |
| 158.121.231.213 | dhcp-158-121-231-213.umb.edu | 0 | | |
| 158.121.231.214 | dhcp-158-121-231-214.umb.edu | 0 | | |
| 158.121.231.215 | dhcp-158-121-231-215.umb.edu | 0 | | |
| 158.121.231.216 | dhcp-158-121-231-216.umb.edu | 0 | | |
| 158.121.231.217 | dhcp-158-121-231-217.umb.edu | 0 | | |
| 158.121.231.218 | dhcp-158-121-231-218.umb.edu | 0 | | |
| 158.121.231.219 | dhcp-158-121-231-219.umb.edu | 0 | | |
| 158.121.231.220 | dhcp-158-121-231-220.umb.edu | 0 | | |
| 158.121.231.221 | dhcp-158-121-231-221.umb.edu | 0 | | |
| 158.121.231.222 | dhcp-158-121-231-222.umb.edu | 0 | | |
| 158.121.231.223 | dhcp-158-121-231-223.umb.edu | 0 | | |
| 158.121.231.224 | dhcp-158-121-231-224.umb.edu | 0 | | |
| 158.121.231.225 | dhcp-158-121-231-225.umb.edu | 0 | | |
| 158.121.231.226 | dhcp-158-121-231-226.umb.edu | 0 | | |
| 158.121.231.227 | dhcp-158-121-231-227.umb.edu | 0 | | |
| 158.121.231.228 | dhcp-158-121-231-228.umb.edu | 0 | | |
| 158.121.231.229 | dhcp-158-121-231-229.umb.edu | 0 | | |
| 158.121.231.230 | dhcp-158-121-231-230.umb.edu | 0 | | |
| 158.121.231.231 | dhcp-158-121-231-231.umb.edu | 0 | | |
| 158.121.231.232 | dhcp-158-121-231-232.umb.edu | 0 | | |
| 158.121.231.233 | dhcp-158-121-231-233.umb.edu | 0 | | |
| 158.121.231.234 | dhcp-158-121-231-234.umb.edu | 0 | | |
| 158.121.231.235 | dhcp-158-121-231-235.umb.edu | 0 | | |
| 158.121.231.236 | dhcp-158-121-231-236.umb.edu | 0 | | |
| 158.121.231.237 | dhcp-158-121-231-237.umb.edu | 0 | | |
| 158.121.231.238 | dhcp-158-121-231-238.umb.edu | 0 | | |
| 158.121.231.239 | dhcp-158-121-231-239.umb.edu | 0 | | |
| 158.121.231.240 | dhcp-158-121-231-240.umb.edu | 0 | | |
| 158.121.231.241 | dhcp-158-121-231-241.umb.edu | 0 | | |
| 158.121.231.242 | dhcp-158-121-231-242.umb.edu | 0 | | |
| 158.121.231.243 | dhcp-158-121-231-243.umb.edu | 0 | | |
| 158.121.231.244 | dhcp-158-121-231-244.umb.edu | 0 | | |
| 158.121.231.245 | dhcp-158-121-231-245.umb.edu | 0 | | |
| 158.121.231.246 | dhcp-158-121-231-246.umb.edu | 0 | | |
| 158.121.231.247 | dhcp-158-121-231-247.umb.edu | 0 | | |
| 158.121.231.248 | dhcp-158-121-231-248.umb.edu | 0 | | |
| 158.121.231.249 | dhcp-158-121-231-249.umb.edu | 0 | | |
| 158.121.231.250 | dhcp-158-121-231-250.umb.edu | 0 | | |
| 158.121.231.251 | dhcp-158-121-231-251.umb.edu | 0 | | |
| 158.121.231.252 | dhcp-158-121-231-252.umb.edu | 0 | | |
| 158.121.231.253 | dhcp-158-121-231-253.umb.edu | 0 | | |
| 158.121.231.254 | dhcp-158-121-231-254.umb.edu | 0 | | |
| 158.121.231.255 | — | 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 158.121.231.223
traceroute to 158.121.231.223 (158.121.231.223): 9 hops max, 52 byte packets
7 *
8 *
9 *
Measurement taken from 
IPinfo ProbeNet in Sofia, BG
IPinfo ProbeNet in Sofia, BGOn