Summary
| ASN | AS1968 UMASSNET |
| BGP | 158.121.0.0/16 |
| IPs with RDNS | 255 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 158.121.199.0 | dhcp-158-121-199-0.umb.edu | 0 |  | |
| 158.121.199.1 | dhcp-158-121-199-1.umb.edu | 0 | | |
| 158.121.199.2 | dhcp-158-121-199-2.umb.edu | 0 | | |
| 158.121.199.3 | dhcp-158-121-199-3.umb.edu | 0 | | |
| 158.121.199.4 | dhcp-158-121-199-4.umb.edu | 0 | | |
| 158.121.199.5 | dhcp-158-121-199-5.umb.edu | 0 | | |
| 158.121.199.6 | dhcp-158-121-199-6.umb.edu | 0 | | |
| 158.121.199.7 | dhcp-158-121-199-7.umb.edu | 0 | | |
| 158.121.199.8 | dhcp-158-121-199-8.umb.edu | 0 | | |
| 158.121.199.9 | dhcp-158-121-199-9.umb.edu | 0 | | |
| 158.121.199.10 | dhcp-158-121-199-10.umb.edu | 0 | | |
| 158.121.199.11 | dhcp-158-121-199-11.umb.edu | 0 | | |
| 158.121.199.12 | dhcp-158-121-199-12.umb.edu | 0 | | |
| 158.121.199.13 | dhcp-158-121-199-13.umb.edu | 0 | | |
| 158.121.199.14 | dhcp-158-121-199-14.umb.edu | 0 | | |
| 158.121.199.15 | dhcp-158-121-199-15.umb.edu | 0 | | |
| 158.121.199.16 | dhcp-158-121-199-16.umb.edu | 0 | | |
| 158.121.199.17 | dhcp-158-121-199-17.umb.edu | 0 | | |
| 158.121.199.18 | dhcp-158-121-199-18.umb.edu | 0 | | |
| 158.121.199.19 | dhcp-158-121-199-19.umb.edu | 0 | | |
| 158.121.199.20 | dhcp-158-121-199-20.umb.edu | 0 | | |
| 158.121.199.21 | dhcp-158-121-199-21.umb.edu | 0 | | |
| 158.121.199.22 | dhcp-158-121-199-22.umb.edu | 0 | | |
| 158.121.199.23 | dhcp-158-121-199-23.umb.edu | 0 | | |
| 158.121.199.24 | dhcp-158-121-199-24.umb.edu | 0 | | |
| 158.121.199.25 | dhcp-158-121-199-25.umb.edu | 0 | | |
| 158.121.199.26 | dhcp-158-121-199-26.umb.edu | 0 | | |
| 158.121.199.27 | dhcp-158-121-199-27.umb.edu | 0 | | |
| 158.121.199.28 | dhcp-158-121-199-28.umb.edu | 0 | | |
| 158.121.199.29 | dhcp-158-121-199-29.umb.edu | 0 | | |
| 158.121.199.30 | dhcp-158-121-199-30.umb.edu | 0 | | |
| 158.121.199.31 | dhcp-158-121-199-31.umb.edu | 0 | | |
| 158.121.199.32 | dhcp-158-121-199-32.umb.edu | 0 | | |
| 158.121.199.33 | dhcp-158-121-199-33.umb.edu | 0 | | |
| 158.121.199.34 | dhcp-158-121-199-34.umb.edu | 0 | | |
| 158.121.199.35 | dhcp-158-121-199-35.umb.edu | 0 | | |
| 158.121.199.36 | dhcp-158-121-199-36.umb.edu | 0 | | |
| 158.121.199.37 | dhcp-158-121-199-37.umb.edu | 0 | | |
| 158.121.199.38 | dhcp-158-121-199-38.umb.edu | 0 | | |
| 158.121.199.39 | dhcp-158-121-199-39.umb.edu | 0 | | |
| 158.121.199.40 | dhcp-158-121-199-40.umb.edu | 0 | | |
| 158.121.199.41 | dhcp-158-121-199-41.umb.edu | 0 | | |
| 158.121.199.42 | dhcp-158-121-199-42.umb.edu | 0 | | |
| 158.121.199.43 | dhcp-158-121-199-43.umb.edu | 0 | | |
| 158.121.199.44 | dhcp-158-121-199-44.umb.edu | 0 | | |
| 158.121.199.45 | dhcp-158-121-199-45.umb.edu | 0 | | |
| 158.121.199.46 | dhcp-158-121-199-46.umb.edu | 0 | | |
| 158.121.199.47 | dhcp-158-121-199-47.umb.edu | 0 | | |
| 158.121.199.48 | dhcp-158-121-199-48.umb.edu | 0 | | |
| 158.121.199.49 | dhcp-158-121-199-49.umb.edu | 0 | | |
| 158.121.199.50 | dhcp-158-121-199-50.umb.edu | 0 | | |
| 158.121.199.51 | dhcp-158-121-199-51.umb.edu | 0 | | |
| 158.121.199.52 | dhcp-158-121-199-52.umb.edu | 0 | | |
| 158.121.199.53 | dhcp-158-121-199-53.umb.edu | 0 | | |
| 158.121.199.54 | dhcp-158-121-199-54.umb.edu | 0 | | |
| 158.121.199.55 | dhcp-158-121-199-55.umb.edu | 0 | | |
| 158.121.199.56 | dhcp-158-121-199-56.umb.edu | 0 | | |
| 158.121.199.57 | dhcp-158-121-199-57.umb.edu | 0 | | |
| 158.121.199.58 | dhcp-158-121-199-58.umb.edu | 0 | | |
| 158.121.199.59 | dhcp-158-121-199-59.umb.edu | 0 | | |
| 158.121.199.60 | dhcp-158-121-199-60.umb.edu | 0 | | |
| 158.121.199.61 | dhcp-158-121-199-61.umb.edu | 0 | | |
| 158.121.199.62 | dhcp-158-121-199-62.umb.edu | 0 | | |
| 158.121.199.63 | dhcp-158-121-199-63.umb.edu | 0 | | |
| 158.121.199.64 | dhcp-158-121-199-64.umb.edu | 0 | | |
| 158.121.199.65 | dhcp-158-121-199-65.umb.edu | 0 | | |
| 158.121.199.66 | dhcp-158-121-199-66.umb.edu | 0 | | |
| 158.121.199.67 | dhcp-158-121-199-67.umb.edu | 0 | | |
| 158.121.199.68 | dhcp-158-121-199-68.umb.edu | 0 | | |
| 158.121.199.69 | dhcp-158-121-199-69.umb.edu | 0 | | |
| 158.121.199.70 | dhcp-158-121-199-70.umb.edu | 0 | | |
| 158.121.199.71 | dhcp-158-121-199-71.umb.edu | 0 | | |
| 158.121.199.72 | dhcp-158-121-199-72.umb.edu | 0 | | |
| 158.121.199.73 | dhcp-158-121-199-73.umb.edu | 0 | | |
| 158.121.199.74 | dhcp-158-121-199-74.umb.edu | 0 | | |
| 158.121.199.75 | dhcp-158-121-199-75.umb.edu | 0 | | |
| 158.121.199.76 | dhcp-158-121-199-76.umb.edu | 0 | | |
| 158.121.199.77 | dhcp-158-121-199-77.umb.edu | 0 | | |
| 158.121.199.78 | dhcp-158-121-199-78.umb.edu | 0 | | |
| 158.121.199.79 | dhcp-158-121-199-79.umb.edu | 0 | | |
| 158.121.199.80 | dhcp-158-121-199-80.umb.edu | 0 | | |
| 158.121.199.81 | dhcp-158-121-199-81.umb.edu | 0 | | |
| 158.121.199.82 | dhcp-158-121-199-82.umb.edu | 0 | | |
| 158.121.199.83 | dhcp-158-121-199-83.umb.edu | 0 | | |
| 158.121.199.84 | dhcp-158-121-199-84.umb.edu | 0 | | |
| 158.121.199.85 | dhcp-158-121-199-85.umb.edu | 0 | | |
| 158.121.199.86 | dhcp-158-121-199-86.umb.edu | 0 | | |
| 158.121.199.87 | dhcp-158-121-199-87.umb.edu | 0 | | |
| 158.121.199.88 | dhcp-158-121-199-88.umb.edu | 0 | | |
| 158.121.199.89 | dhcp-158-121-199-89.umb.edu | 0 | | |
| 158.121.199.90 | dhcp-158-121-199-90.umb.edu | 0 | | |
| 158.121.199.91 | dhcp-158-121-199-91.umb.edu | 0 | | |
| 158.121.199.92 | dhcp-158-121-199-92.umb.edu | 0 | | |
| 158.121.199.93 | dhcp-158-121-199-93.umb.edu | 0 | | |
| 158.121.199.94 | dhcp-158-121-199-94.umb.edu | 0 | | |
| 158.121.199.95 | dhcp-158-121-199-95.umb.edu | 0 | | |
| 158.121.199.96 | dhcp-158-121-199-96.umb.edu | 0 | | |
| 158.121.199.97 | dhcp-158-121-199-97.umb.edu | 0 | | |
| 158.121.199.98 | dhcp-158-121-199-98.umb.edu | 0 | | |
| 158.121.199.99 | dhcp-158-121-199-99.umb.edu | 0 | | |
| 158.121.199.100 | dhcp-158-121-199-100.umb.edu | 0 | | |
| 158.121.199.101 | dhcp-158-121-199-101.umb.edu | 0 | | |
| 158.121.199.102 | dhcp-158-121-199-102.umb.edu | 0 | | |
| 158.121.199.103 | dhcp-158-121-199-103.umb.edu | 0 | | |
| 158.121.199.104 | dhcp-158-121-199-104.umb.edu | 0 | | |
| 158.121.199.105 | dhcp-158-121-199-105.umb.edu | 0 | | |
| 158.121.199.106 | dhcp-158-121-199-106.umb.edu | 0 | | |
| 158.121.199.107 | dhcp-158-121-199-107.umb.edu | 0 | | |
| 158.121.199.108 | dhcp-158-121-199-108.umb.edu | 0 | | |
| 158.121.199.109 | dhcp-158-121-199-109.umb.edu | 0 | | |
| 158.121.199.110 | dhcp-158-121-199-110.umb.edu | 0 | | |
| 158.121.199.111 | dhcp-158-121-199-111.umb.edu | 0 | | |
| 158.121.199.112 | dhcp-158-121-199-112.umb.edu | 0 | | |
| 158.121.199.113 | dhcp-158-121-199-113.umb.edu | 0 | | |
| 158.121.199.114 | dhcp-158-121-199-114.umb.edu | 0 | | |
| 158.121.199.115 | dhcp-158-121-199-115.umb.edu | 0 | | |
| 158.121.199.116 | dhcp-158-121-199-116.umb.edu | 0 | | |
| 158.121.199.117 | dhcp-158-121-199-117.umb.edu | 0 | | |
| 158.121.199.118 | dhcp-158-121-199-118.umb.edu | 0 | | |
| 158.121.199.119 | dhcp-158-121-199-119.umb.edu | 0 | | |
| 158.121.199.120 | dhcp-158-121-199-120.umb.edu | 0 | | |
| 158.121.199.121 | dhcp-158-121-199-121.umb.edu | 0 | | |
| 158.121.199.122 | dhcp-158-121-199-122.umb.edu | 0 | | |
| 158.121.199.123 | dhcp-158-121-199-123.umb.edu | 0 | | |
| 158.121.199.124 | dhcp-158-121-199-124.umb.edu | 0 | | |
| 158.121.199.125 | dhcp-158-121-199-125.umb.edu | 0 | | |
| 158.121.199.126 | dhcp-158-121-199-126.umb.edu | 0 | | |
| 158.121.199.127 | dhcp-158-121-199-127.umb.edu | 0 | | |
| 158.121.199.128 | dhcp-158-121-199-128.umb.edu | 0 | | |
| 158.121.199.129 | dhcp-158-121-199-129.umb.edu | 0 | | |
| 158.121.199.130 | dhcp-158-121-199-130.umb.edu | 0 | | |
| 158.121.199.131 | dhcp-158-121-199-131.umb.edu | 0 | | |
| 158.121.199.132 | dhcp-158-121-199-132.umb.edu | 0 | | |
| 158.121.199.133 | dhcp-158-121-199-133.umb.edu | 0 | | |
| 158.121.199.134 | dhcp-158-121-199-134.umb.edu | 0 | | |
| 158.121.199.135 | dhcp-158-121-199-135.umb.edu | 0 | | |
| 158.121.199.136 | dhcp-158-121-199-136.umb.edu | 0 | | |
| 158.121.199.137 | dhcp-158-121-199-137.umb.edu | 0 | | |
| 158.121.199.138 | dhcp-158-121-199-138.umb.edu | 0 | | |
| 158.121.199.139 | dhcp-158-121-199-139.umb.edu | 0 | | |
| 158.121.199.140 | dhcp-158-121-199-140.umb.edu | 0 | | |
| 158.121.199.141 | dhcp-158-121-199-141.umb.edu | 0 | | |
| 158.121.199.142 | dhcp-158-121-199-142.umb.edu | 0 | | |
| 158.121.199.143 | dhcp-158-121-199-143.umb.edu | 0 | | |
| 158.121.199.144 | dhcp-158-121-199-144.umb.edu | 0 | | |
| 158.121.199.145 | dhcp-158-121-199-145.umb.edu | 0 | | |
| 158.121.199.146 | dhcp-158-121-199-146.umb.edu | 0 | | |
| 158.121.199.147 | dhcp-158-121-199-147.umb.edu | 0 | | |
| 158.121.199.148 | dhcp-158-121-199-148.umb.edu | 0 | | |
| 158.121.199.149 | dhcp-158-121-199-149.umb.edu | 0 | | |
| 158.121.199.150 | dhcp-158-121-199-150.umb.edu | 0 | | |
| 158.121.199.151 | dhcp-158-121-199-151.umb.edu | 0 | | |
| 158.121.199.152 | dhcp-158-121-199-152.umb.edu | 0 | | |
| 158.121.199.153 | dhcp-158-121-199-153.umb.edu | 0 | | |
| 158.121.199.154 | dhcp-158-121-199-154.umb.edu | 0 | | |
| 158.121.199.155 | dhcp-158-121-199-155.umb.edu | 0 | | |
| 158.121.199.156 | dhcp-158-121-199-156.umb.edu | 0 | | |
| 158.121.199.157 | dhcp-158-121-199-157.umb.edu | 0 | | |
| 158.121.199.158 | dhcp-158-121-199-158.umb.edu | 0 | | |
| 158.121.199.159 | dhcp-158-121-199-159.umb.edu | 0 | | |
| 158.121.199.160 | dhcp-158-121-199-160.umb.edu | 0 | | |
| 158.121.199.161 | dhcp-158-121-199-161.umb.edu | 0 | | |
| 158.121.199.162 | dhcp-158-121-199-162.umb.edu | 0 | | |
| 158.121.199.163 | dhcp-158-121-199-163.umb.edu | 0 | | |
| 158.121.199.164 | dhcp-158-121-199-164.umb.edu | 0 | | |
| 158.121.199.165 | dhcp-158-121-199-165.umb.edu | 0 | | |
| 158.121.199.166 | dhcp-158-121-199-166.umb.edu | 0 | | |
| 158.121.199.167 | dhcp-158-121-199-167.umb.edu | 0 | | |
| 158.121.199.168 | dhcp-158-121-199-168.umb.edu | 0 | | |
| 158.121.199.169 | dhcp-158-121-199-169.umb.edu | 0 | | |
| 158.121.199.170 | dhcp-158-121-199-170.umb.edu | 0 | | |
| 158.121.199.171 | dhcp-158-121-199-171.umb.edu | 0 | | |
| 158.121.199.172 | dhcp-158-121-199-172.umb.edu | 0 | | |
| 158.121.199.173 | dhcp-158-121-199-173.umb.edu | 0 | | |
| 158.121.199.174 | dhcp-158-121-199-174.umb.edu | 0 | | |
| 158.121.199.175 | dhcp-158-121-199-175.umb.edu | 0 | | |
| 158.121.199.176 | dhcp-158-121-199-176.umb.edu | 0 | | |
| 158.121.199.177 | dhcp-158-121-199-177.umb.edu | 0 | | |
| 158.121.199.178 | dhcp-158-121-199-178.umb.edu | 0 | | |
| 158.121.199.179 | dhcp-158-121-199-179.umb.edu | 0 | | |
| 158.121.199.180 | dhcp-158-121-199-180.umb.edu | 0 | | |
| 158.121.199.181 | dhcp-158-121-199-181.umb.edu | 0 | | |
| 158.121.199.182 | dhcp-158-121-199-182.umb.edu | 0 | | |
| 158.121.199.183 | dhcp-158-121-199-183.umb.edu | 0 | | |
| 158.121.199.184 | dhcp-158-121-199-184.umb.edu | 0 | | |
| 158.121.199.185 | dhcp-158-121-199-185.umb.edu | 0 | | |
| 158.121.199.186 | dhcp-158-121-199-186.umb.edu | 0 | | |
| 158.121.199.187 | dhcp-158-121-199-187.umb.edu | 0 | | |
| 158.121.199.188 | dhcp-158-121-199-188.umb.edu | 0 | | |
| 158.121.199.189 | dhcp-158-121-199-189.umb.edu | 0 | | |
| 158.121.199.190 | dhcp-158-121-199-190.umb.edu | 0 | | |
| 158.121.199.191 | dhcp-158-121-199-191.umb.edu | 0 | | |
| 158.121.199.192 | dhcp-158-121-199-192.umb.edu | 0 | | |
| 158.121.199.193 | dhcp-158-121-199-193.umb.edu | 0 | | |
| 158.121.199.194 | dhcp-158-121-199-194.umb.edu | 0 | | |
| 158.121.199.195 | dhcp-158-121-199-195.umb.edu | 0 | | |
| 158.121.199.196 | dhcp-158-121-199-196.umb.edu | 0 | | |
| 158.121.199.197 | dhcp-158-121-199-197.umb.edu | 0 | | |
| 158.121.199.198 | dhcp-158-121-199-198.umb.edu | 0 | | |
| 158.121.199.199 | dhcp-158-121-199-199.umb.edu | 0 | | |
| 158.121.199.200 | dhcp-158-121-199-200.umb.edu | 0 | | |
| 158.121.199.201 | dhcp-158-121-199-201.umb.edu | 0 | | |
| 158.121.199.202 | dhcp-158-121-199-202.umb.edu | 0 | | |
| 158.121.199.203 | dhcp-158-121-199-203.umb.edu | 0 | | |
| 158.121.199.204 | dhcp-158-121-199-204.umb.edu | 0 | | |
| 158.121.199.205 | dhcp-158-121-199-205.umb.edu | 0 | | |
| 158.121.199.206 | dhcp-158-121-199-206.umb.edu | 0 | | |
| 158.121.199.207 | dhcp-158-121-199-207.umb.edu | 0 | | |
| 158.121.199.208 | dhcp-158-121-199-208.umb.edu | 0 | | |
| 158.121.199.209 | dhcp-158-121-199-209.umb.edu | 0 | | |
| 158.121.199.210 | dhcp-158-121-199-210.umb.edu | 0 | | |
| 158.121.199.211 | dhcp-158-121-199-211.umb.edu | 0 | | |
| 158.121.199.212 | dhcp-158-121-199-212.umb.edu | 0 | | |
| 158.121.199.213 | dhcp-158-121-199-213.umb.edu | 0 | | |
| 158.121.199.214 | dhcp-158-121-199-214.umb.edu | 0 | | |
| 158.121.199.215 | dhcp-158-121-199-215.umb.edu | 0 | | |
| 158.121.199.216 | dhcp-158-121-199-216.umb.edu | 0 | | |
| 158.121.199.217 | dhcp-158-121-199-217.umb.edu | 0 | | |
| 158.121.199.218 | dhcp-158-121-199-218.umb.edu | 0 | | |
| 158.121.199.219 | dhcp-158-121-199-219.umb.edu | 0 | | |
| 158.121.199.220 | dhcp-158-121-199-220.umb.edu | 0 | | |
| 158.121.199.221 | dhcp-158-121-199-221.umb.edu | 0 | | |
| 158.121.199.222 | dhcp-158-121-199-222.umb.edu | 0 | | |
| 158.121.199.223 | dhcp-158-121-199-223.umb.edu | 0 | | |
| 158.121.199.224 | dhcp-158-121-199-224.umb.edu | 0 | | |
| 158.121.199.225 | dhcp-158-121-199-225.umb.edu | 0 | | |
| 158.121.199.226 | dhcp-158-121-199-226.umb.edu | 0 | | |
| 158.121.199.227 | dhcp-158-121-199-227.umb.edu | 0 | | |
| 158.121.199.228 | dhcp-158-121-199-228.umb.edu | 0 | | |
| 158.121.199.229 | dhcp-158-121-199-229.umb.edu | 0 | | |
| 158.121.199.230 | dhcp-158-121-199-230.umb.edu | 0 | | |
| 158.121.199.231 | dhcp-158-121-199-231.umb.edu | 0 | | |
| 158.121.199.232 | dhcp-158-121-199-232.umb.edu | 0 | | |
| 158.121.199.233 | dhcp-158-121-199-233.umb.edu | 0 | | |
| 158.121.199.234 | dhcp-158-121-199-234.umb.edu | 0 | | |
| 158.121.199.235 | dhcp-158-121-199-235.umb.edu | 0 | | |
| 158.121.199.236 | dhcp-158-121-199-236.umb.edu | 0 | | |
| 158.121.199.237 | dhcp-158-121-199-237.umb.edu | 0 | | |
| 158.121.199.238 | dhcp-158-121-199-238.umb.edu | 0 | | |
| 158.121.199.239 | dhcp-158-121-199-239.umb.edu | 0 | | |
| 158.121.199.240 | dhcp-158-121-199-240.umb.edu | 0 | | |
| 158.121.199.241 | dhcp-158-121-199-241.umb.edu | 0 | | |
| 158.121.199.242 | dhcp-158-121-199-242.umb.edu | 0 | | |
| 158.121.199.243 | dhcp-158-121-199-243.umb.edu | 0 | | |
| 158.121.199.244 | dhcp-158-121-199-244.umb.edu | 0 | | |
| 158.121.199.245 | dhcp-158-121-199-245.umb.edu | 0 | | |
| 158.121.199.246 | dhcp-158-121-199-246.umb.edu | 0 | | |
| 158.121.199.247 | dhcp-158-121-199-247.umb.edu | 0 | | |
| 158.121.199.248 | dhcp-158-121-199-248.umb.edu | 0 | | |
| 158.121.199.249 | dhcp-158-121-199-249.umb.edu | 0 | | |
| 158.121.199.250 | dhcp-158-121-199-250.umb.edu | 0 | | |
| 158.121.199.251 | dhcp-158-121-199-251.umb.edu | 0 | | |
| 158.121.199.252 | dhcp-158-121-199-252.umb.edu | 0 | | |
| 158.121.199.253 | dhcp-158-121-199-253.umb.edu | 0 | | |
| 158.121.199.254 | dhcp-158-121-199-254.umb.edu | 0 | | |
| 158.121.199.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f2 -m9 158.121.199.133
traceroute to 158.121.199.133 (158.121.199.133): 9 hops max, 52 byte packets
7 *
8 *
9 *
Measurement taken from 
IPinfo ProbeNet in Warsaw, PL
IPinfo ProbeNet in Warsaw, PLOn