Summary
| ASN | AS55 University of Pennsylvania |
| BGP | 128.91.0.0/16 |
| IPs with RDNS | 197 |
| Hosted Domains | 0 |
| Pingable IPs | 58 |
| Router IPs | 0 |
| 128.91.245.0 | hnt-av-240.hnt.router.upenn.edu | 0 |  | |
| 128.91.245.1 | hnt.hnt-av-240.router.upenn.edu | 0 | | |
| 128.91.245.2 | hnt-av-245.hnt.router.upenn.edu | 0 | | |
| 128.91.245.3 | hnt.hnt-av-245.router.upenn.edu | 0 | | |
| 128.91.245.4 | hnt-av-250.hnt.router.upenn.edu | 0 | | |
| 128.91.245.5 | hnt.hnt-av-250.router.upenn.edu | 0 | | |
| 128.91.245.6 | hnt-av-255.hnt.router.upenn.edu | 0 | | |
| 128.91.245.7 | hnt.hnt-av-255.router.upenn.edu | 0 | | |
| 128.91.245.8 | hnt-av-260.hnt.router.upenn.edu | 0 | | |
| 128.91.245.9 | hnt.hnt-av-260.router.upenn.edu | 0 | | |
| 128.91.245.10 | hnt-av-265.hnt.router.upenn.edu | 0 | | |
| 128.91.245.11 | hnt.hnt-av-265.router.upenn.edu | 0 | | |
| 128.91.245.12 | hnt-av-270.hnt.router.upenn.edu | 0 | | |
| 128.91.245.13 | hnt.hnt-av-270.router.upenn.edu | 0 | | |
| 128.91.245.14 | hnt-av-330.hnt.router.upenn.edu | 0 | Ping | |
| 128.91.245.15 | hnt.hnt-av-330.router.upenn.edu | 0 | Ping | |
| 128.91.245.16 | hnt-av-340.hnt.router.upenn.edu | 0 | | |
| 128.91.245.17 | hnt.hnt-av-340.router.upenn.edu | 0 | | |
| 128.91.245.18 | hnt-av-345.hnt.router.upenn.edu | 0 | | |
| 128.91.245.19 | hnt.hnt-av-345.router.upenn.edu | 0 | | |
| 128.91.245.20 | hnt-av-350.hnt.router.upenn.edu | 0 | | |
| 128.91.245.21 | hnt.hnt-av-350.router.upenn.edu | 0 | | |
| 128.91.245.22 | hnt-av-355.hnt.router.upenn.edu | 0 | | |
| 128.91.245.23 | hnt.hnt-av-355.router.upenn.edu | 0 | | |
| 128.91.245.24 | hnt-av-360.hnt.router.upenn.edu | 0 | | |
| 128.91.245.25 | hnt.hnt-av-360.router.upenn.edu | 0 | | |
| 128.91.245.26 | hnt-av-365.hnt.router.upenn.edu | 0 | | |
| 128.91.245.27 | hnt.hnt-av-365.router.upenn.edu | 0 | | |
| 128.91.245.28 | hnt-av-370.hnt.router.upenn.edu | 0 | | |
| 128.91.245.29 | hnt.hnt-av-370.router.upenn.edu | 0 | | |
| 128.91.245.30 | hnt-av-f36.hnt.router.upenn.edu | 0 | | |
| 128.91.245.31 | hnt.hnt-av-f36.router.upenn.edu | 0 | | |
| 128.91.245.32 | hnt-av-f38.hnt.router.upenn.edu | 0 | Ping | |
| 128.91.245.33 | hnt.hnt-av-f38.router.upenn.edu | 0 | Ping | |
| 128.91.245.34 | hnt-av-f45.hnt.router.upenn.edu | 0 | Ping | |
| 128.91.245.35 | hnt.hnt-av-f45.router.upenn.edu | 0 | Ping | |
| 128.91.245.36 | hnt-av-f50.hnt.router.upenn.edu | 0 | | |
| 128.91.245.37 | hnt.hnt-av-f50.router.upenn.edu | 0 | | |
| 128.91.245.38 | hnt-av-f55.hnt.router.upenn.edu | 0 | | |
| 128.91.245.39 | hnt.hnt-av-f55.router.upenn.edu | 0 | | |
| 128.91.245.40 | hnt-av-f60.hnt.router.upenn.edu | 0 | | |
| 128.91.245.41 | hnt.hnt-av-f60.router.upenn.edu | 0 | | |
| 128.91.245.42 | hnt-av-f65.hnt.router.upenn.edu | 0 | | |
| 128.91.245.43 | hnt.hnt-av-f65.router.upenn.edu | 0 | | |
| 128.91.245.44 | hnt-av-f70.hnt.router.upenn.edu | 0 | | |
| 128.91.245.45 | hnt.hnt-av-f70.router.upenn.edu | 0 | | |
| 128.91.245.46 | hnt-av-f85.hnt.router.upenn.edu | 0 | | |
| 128.91.245.47 | hnt.hnt-av-f85.router.upenn.edu | 0 | | |
| 128.91.245.48 | hnt-av-f86.hnt.router.upenn.edu | 0 | | |
| 128.91.245.49 | hnt.hnt-av-f86.router.upenn.edu | 0 | | |
| 128.91.245.50 | hnt-av-f88.hnt.router.upenn.edu | 0 | | |
| 128.91.245.51 | hnt.hnt-av-f88.router.upenn.edu | 0 | | |
| 128.91.245.52 | hnt-av-f90.hnt.router.upenn.edu | 0 | | |
| 128.91.245.53 | hnt.hnt-av-f90.router.upenn.edu | 0 | | |
| 128.91.245.54 | hnt-av-f92.hnt.router.upenn.edu | 0 | | |
| 128.91.245.55 | hnt.hnt-av-f92.router.upenn.edu | 0 | | |
| 128.91.245.56 | hnt-av-f94.hnt.router.upenn.edu | 0 | | |
| 128.91.245.57 | hnt.hnt-av-f94.router.upenn.edu | 0 | | |
| 128.91.245.58 | hnt-av-f95.hnt.router.upenn.edu | 0 | | |
| 128.91.245.59 | hnt.hnt-av-f95.router.upenn.edu | 0 | | |
| 128.91.245.60 | hnt-av-f96.hnt.router.upenn.edu | 0 | | |
| 128.91.245.61 | hnt.hnt-av-f96.router.upenn.edu | 0 | | |
| 128.91.245.62 | hnt-av-g50.hnt.router.upenn.edu | 0 | | |
| 128.91.245.63 | hnt.hnt-av-g50.router.upenn.edu | 0 | | |
| 128.91.245.64 | hnt-av-g55.hnt.router.upenn.edu | 0 | | |
| 128.91.245.65 | hnt.hnt-av-g55.router.upenn.edu | 0 | | |
| 128.91.245.66 | hnt-av-g60.hnt.router.upenn.edu | 0 | | |
| 128.91.245.67 | hnt.hnt-av-g60.router.upenn.edu | 0 | | |
| 128.91.245.68 | hnt-av-g65.hnt.router.upenn.edu | 0 | | |
| 128.91.245.69 | hnt.hnt-av-g65.router.upenn.edu | 0 | | |
| 128.91.245.70 | hnt-av-g86.hnt.router.upenn.edu | 0 | | |
| 128.91.245.71 | hnt.hnt-av-g86.router.upenn.edu | 0 | | |
| 128.91.245.72 | hnt-av-g88.hnt.router.upenn.edu | 0 | | |
| 128.91.245.73 | hnt.hnt-av-g88.router.upenn.edu | 0 | | |
| 128.91.245.74 | hnt-av-337.hnt.router.upenn.edu | 0 | Ping | |
| 128.91.245.75 | hnt.hnt-av-337.router.upenn.edu | 0 | Ping | |
| 128.91.245.76 | hnt-av-f14.hnt.router.upenn.edu | 0 | Ping | |
| 128.91.245.77 | hnt.hnt-av-f14.router.upenn.edu | 0 | Ping | |
| 128.91.245.78 | hnt-av-reserved-39.hnt.router.upenn.edu | 0 | | |
| 128.91.245.79 | hnt.hnt-av-reserved-39.router.upenn.edu | 0 | | |
| 128.91.245.80 | hnt-av-reserved-40.hnt.router.upenn.edu | 0 | | |
| 128.91.245.81 | hnt.hnt-av-reserved-40.router.upenn.edu | 0 | | |
| 128.91.245.82 | hnt-av-reserved-41.hnt.router.upenn.edu | 0 | | |
| 128.91.245.83 | hnt.hnt-av-reserved-41.router.upenn.edu | 0 | | |
| 128.91.245.84 | hnt-av-reserved-42.hnt.router.upenn.edu | 0 | | |
| 128.91.245.85 | hnt.hnt-av-reserved-42.router.upenn.edu | 0 | | |
| 128.91.245.86 | hnt-av-reserved-43.hnt.router.upenn.edu | 0 | | |
| 128.91.245.87 | hnt.hnt-av-reserved-43.router.upenn.edu | 0 | | |
| 128.91.245.88 | hnt-av-reserved-44.hnt.router.upenn.edu | 0 | | |
| 128.91.245.89 | hnt.hnt-av-reserved-44.router.upenn.edu | 0 | | |
| 128.91.245.90 | hnt-av-reserved-45.hnt.router.upenn.edu | 0 | | |
| 128.91.245.91 | hnt.hnt-av-reserved-45.router.upenn.edu | 0 | | |
| 128.91.245.92 | hnt-av-reserved-46.hnt.router.upenn.edu | 0 | | |
| 128.91.245.93 | hnt.hnt-av-reserved-46.router.upenn.edu | 0 | | |
| 128.91.245.94 | hnt-av-reserved-47.hnt.router.upenn.edu | 0 | | |
| 128.91.245.95 | hnt.hnt-av-reserved-47.router.upenn.edu | 0 | | |
| 128.91.245.96 | hnt-av-reserved-48.hnt.router.upenn.edu | 0 | | |
| 128.91.245.97 | hnt.hnt-av-reserved-48.router.upenn.edu | 0 | | |
| 128.91.245.98 | hnt-av-reserved-49.hnt.router.upenn.edu | 0 | | |
| 128.91.245.99 | hnt.hnt-av-reserved-49.router.upenn.edu | 0 | | |
| 128.91.245.100 | hnt-av-reserved-50.hnt.router.upenn.edu | 0 | | |
| 128.91.245.101 | hnt.hnt-av-reserved-50.router.upenn.edu | 0 | | |
| 128.91.245.102 | hnt-av-reserved-51.hnt.router.upenn.edu | 0 | | |
| 128.91.245.103 | hnt.hnt-av-reserved-51.router.upenn.edu | 0 | | |
| 128.91.245.104 | hnt-av-reserved-52.hnt.router.upenn.edu | 0 | | |
| 128.91.245.105 | hnt.hnt-av-reserved-52.router.upenn.edu | 0 | | |
| 128.91.245.106 | hnt-av-reserved-53.hnt.router.upenn.edu | 0 | | |
| 128.91.245.107 | hnt.hnt-av-reserved-53.router.upenn.edu | 0 | | |
| 128.91.245.108 | hnt-av-reserved-54.hnt.router.upenn.edu | 0 | | |
| 128.91.245.109 | hnt.hnt-av-reserved-54.router.upenn.edu | 0 | | |
| 128.91.245.110 | hnt-av-reserved-55.hnt.router.upenn.edu | 0 | | |
| 128.91.245.111 | hnt.hnt-av-reserved-55.router.upenn.edu | 0 | | |
| 128.91.245.112 | hnt-av-reserved-56.hnt.router.upenn.edu | 0 | | |
| 128.91.245.113 | hnt.hnt-av-reserved-56.router.upenn.edu | 0 | | |
| 128.91.245.114 | hnt-av-reserved-57.hnt.router.upenn.edu | 0 | | |
| 128.91.245.115 | hnt.hnt-av-reserved-57.router.upenn.edu | 0 | | |
| 128.91.245.116 | hnt-av-reserved-58.hnt.router.upenn.edu | 0 | | |
| 128.91.245.117 | hnt.hnt-av-reserved-58.router.upenn.edu | 0 | | |
| 128.91.245.118 | hnt-av-reserved-59.hnt.router.upenn.edu | 0 | | |
| 128.91.245.119 | hnt.hnt-av-reserved-59.router.upenn.edu | 0 | | |
| 128.91.245.120 | hnt-av-reserved-60.hnt.router.upenn.edu | 0 | | |
| 128.91.245.121 | hnt.hnt-av-reserved-60.router.upenn.edu | 0 | | |
| 128.91.245.122 | hnt-av-reserved-61.hnt.router.upenn.edu | 0 | | |
| 128.91.245.123 | hnt.hnt-av-reserved-61.router.upenn.edu | 0 | | |
| 128.91.245.124 | hnt-av-reserved-62.hnt.router.upenn.edu | 0 | | |
| 128.91.245.125 | hnt.hnt-av-reserved-62.router.upenn.edu | 0 | | |
| 128.91.245.126 | aaa-av-reserved-00.aaa.router.upenn.edu | 0 | | |
| 128.91.245.127 | aaa.aaa-av-reserved-00.router.upenn.edu | 0 | | |
| 128.91.245.128 | — | 0 | | |
| 128.91.245.129 | irb1.mkc.router.upenn.edu | 0 | Ping | |
| 128.91.245.130 | — | 0 | | |
| 128.91.245.131 | mkb-540-1.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.132 | — | 0 | | |
| 128.91.245.133 | — | 0 | | |
| 128.91.245.134 | — | 0 | | |
| 128.91.245.135 | mkc-3fl-c6-1a.dccs.upenn.edu | 0 | | |
| 128.91.245.136 | caps-1a-fw.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.137 | caps-1b-fw.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.138 | mkc-3fl-c6-1.dccs.upenn.edu | 0 | | |
| 128.91.245.139 | mkb-5fl-1.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.140 | mkk-4flpent-1.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.141 | — | 0 | | |
| 128.91.245.142 | — | 0 | | |
| 128.91.245.143 | mkc-bsmtprepnet-1.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.144 | — | 0 | | |
| 128.91.245.145 | — | 0 | | |
| 128.91.245.146 | mkk-4flpent-1a.dccs.upenn.edu | 0 | | |
| 128.91.245.147 | market3701-spoke.dccs.upenn.edu | 0 | | |
| 128.91.245.148 | — | 0 | | |
| 128.91.245.149 | — | 0 | | |
| 128.91.245.150 | — | 0 | | |
| 128.91.245.151 | — | 0 | | |
| 128.91.245.152 | — | 0 | | |
| 128.91.245.153 | — | 0 | | |
| 128.91.245.154 | — | 0 | | |
| 128.91.245.155 | — | 0 | | |
| 128.91.245.156 | — | 0 | | |
| 128.91.245.157 | — | 0 | | |
| 128.91.245.158 | — | 0 | | |
| 128.91.245.159 | mkc-106-1.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.160 | — | 0 | | |
| 128.91.245.161 | — | 0 | | |
| 128.91.245.162 | — | 0 | | |
| 128.91.245.163 | — | 0 | | |
| 128.91.245.164 | — | 0 | | |
| 128.91.245.165 | — | 0 | | |
| 128.91.245.166 | — | 0 | | |
| 128.91.245.167 | — | 0 | | |
| 128.91.245.168 | mkb-3fl-1.dccs.upenn.edu | 0 | | |
| 128.91.245.169 | fba-mkb-ldc-p121-1.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.170 | — | 0 | | |
| 128.91.245.171 | mkc-5fl-1a.dccs.upenn.edu | 0 | | |
| 128.91.245.172 | mkc-5fl-2.dccs.upenn.edu | 0 | | |
| 128.91.245.173 | — | 0 | | |
| 128.91.245.174 | — | 0 | | |
| 128.91.245.175 | — | 0 | | |
| 128.91.245.176 | — | 0 | | |
| 128.91.245.177 | — | 0 | | |
| 128.91.245.178 | — | 0 | | |
| 128.91.245.179 | mkc-2fl-1.dccs.upenn.edu | 0 | Ping | |
| 128.91.245.180 | — | 0 | | |
| 128.91.245.181 | — | 0 | | |
| 128.91.245.182 | — | 0 | | |
| 128.91.245.183 | — | 0 | | |
| 128.91.245.184 | — | 0 | | |
| 128.91.245.185 | — | 0 | | |
| 128.91.245.186 | — | 0 | | |
| 128.91.245.187 | — | 0 | | |
| 128.91.245.188 | — | 0 | | |
| 128.91.245.189 | — | 0 | | |
| 128.91.245.190 | — | 0 | | |
| 128.91.245.191 | — | 0 | | |
| 128.91.245.192 | — | 0 | | |
| 128.91.245.193 | irb4.quad.router.upenn.edu | 0 | Ping | |
| 128.91.245.194 | — | 0 | | |
| 128.91.245.195 | — | 0 | | |
| 128.91.245.196 | — | 0 | | |
| 128.91.245.197 | — | 0 | | |
| 128.91.245.198 | — | 0 | | |
| 128.91.245.199 | — | 0 | | |
| 128.91.245.200 | — | 0 | | |
| 128.91.245.201 | — | 0 | | |
| 128.91.245.202 | — | 0 | | |
| 128.91.245.203 | — | 0 | | |
| 128.91.245.204 | quad-irb4-00.collegehouses.upenn.edu | 0 | | |
| 128.91.245.205 | quad-irb4-01.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.206 | quad-irb4-02.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.207 | quad-irb4-03.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.208 | quad-irb4-04.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.209 | quad-irb4-05.collegehouses.upenn.edu | 0 | | |
| 128.91.245.210 | quad-irb4-06.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.211 | quad-irb4-07.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.212 | quad-irb4-08.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.213 | quad-irb4-09.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.214 | quad-irb4-10.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.215 | quad-irb4-11.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.216 | quad-irb4-12.collegehouses.upenn.edu | 0 | | |
| 128.91.245.217 | quad-irb4-13.collegehouses.upenn.edu | 0 | | |
| 128.91.245.218 | quad-irb4-14.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.219 | quad-irb4-15.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.220 | quad-irb4-16.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.221 | quad-irb4-17.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.222 | quad-irb4-18.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.223 | quad-irb4-19.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.224 | quad-irb4-20.collegehouses.upenn.edu | 0 | | |
| 128.91.245.225 | quad-irb4-21.collegehouses.upenn.edu | 0 | | |
| 128.91.245.226 | quad-irb4-22.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.227 | quad-irb4-23.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.228 | quad-irb4-24.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.229 | quad-irb4-25.collegehouses.upenn.edu | 0 | | |
| 128.91.245.230 | quad-irb4-26.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.231 | quad-irb4-27.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.232 | quad-irb4-28.collegehouses.upenn.edu | 0 | | |
| 128.91.245.233 | quad-irb4-29.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.234 | quad-irb4-30.collegehouses.upenn.edu | 0 | | |
| 128.91.245.235 | quad-irb4-31.collegehouses.upenn.edu | 0 | | |
| 128.91.245.236 | quad-irb4-32.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.237 | quad-irb4-33.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.238 | quad-irb4-34.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.239 | quad-irb4-35.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.240 | quad-irb4-36.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.241 | quad-irb4-37.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.242 | quad-irb4-38.collegehouses.upenn.edu | 0 | | |
| 128.91.245.243 | quad-irb4-39.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.244 | quad-irb4-40.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.245 | quad-irb4-41.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.246 | quad-irb4-42.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.247 | quad-irb4-43.collegehouses.upenn.edu | 0 | | |
| 128.91.245.248 | quad-irb4-44.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.249 | quad-irb4-45.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.250 | quad-irb4-46.collegehouses.upenn.edu | 0 | | |
| 128.91.245.251 | quad-irb4-47.collegehouses.upenn.edu | 0 | | |
| 128.91.245.252 | quad-irb4-48.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.253 | quad-irb4-49.collegehouses.upenn.edu | 0 | | |
| 128.91.245.254 | quad-irb4-50.collegehouses.upenn.edu | 0 | Ping | |
| 128.91.245.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.Traceroute →
$ traceroute -a -n -q1 -f4 128.91.245.33
traceroute to 128.91.245.33 (128.91.245.33): 64 hops max, 52 byte packets
5 *
6 *
7 *
8 *
Measurement taken from 
IPinfo ProbeNet in Tulsa, US
IPinfo ProbeNet in Tulsa, USOn