Summary
| ASN | AS55 University of Pennsylvania |
| BGP | 128.91.0.0/16 |
| IPs with RDNS | 187 |
| Hosted Domains | 0 |
| Pingable IPs | 56 |
| Router IPs | 8 |
| 128.91.48.0 | — | 0 | ||
| 128.91.48.1 | — | 0 | ||
| 128.91.48.2 | — | 0 | ||
| 128.91.48.3 | — | 0 | ||
| 128.91.48.4 | — | 0 | ||
| 128.91.48.5 | hnt-fw.hnt-brdr-dmz.router.upenn.edu | 0 | ||
| 128.91.48.6 | hnt-brdr-dmz.hnt-fw.router.upenn.edu | 0 | ||
| 128.91.48.7 | — | 0 | ||
| 128.91.48.8 | — | 0 | ||
| 128.91.48.9 | vag-fw.vag-brdr-dmz.router.upenn.edu | 0 | ||
| 128.91.48.10 | vag-brdr-dmz.vag-fw.router.upenn.edu | 0 | ||
| 128.91.48.11 | — | 0 | ||
| 128.91.48.12 | — | 0 | ||
| 128.91.48.13 | hnt-brdr.hnt-fw.router.upenn.edu | 0 | ||
| 128.91.48.14 | hnt-fw.hnt-brdr.router.upenn.edu | 0 | ||
| 128.91.48.15 | — | 0 | ||
| 128.91.48.16 | — | 0 | ||
| 128.91.48.17 | vag-brdr.vag-fw.router.upenn.edu | 0 | ||
| 128.91.48.18 | vag-fw.vag-brdr.router.upenn.edu | 0 | ||
| 128.91.48.19 | — | 0 | ||
| 128.91.48.20 | — | 0 | ||
| 128.91.48.21 | vag-fw.hnt-brdr-dmz.router.upenn.edu | 0 | ||
| 128.91.48.22 | hnt-brdr-dmz.vag-fw.router.upenn.edu | 0 | ||
| 128.91.48.23 | — | 0 | ||
| 128.91.48.24 | — | 0 | ||
| 128.91.48.25 | vag-brdr.hnt-fw.router.upenn.edu | 0 | ||
| 128.91.48.26 | hnt-fw.vag-brdr.router.upenn.edu | 0 | ||
| 128.91.48.27 | — | 0 | ||
| 128.91.48.28 | — | 0 | ||
| 128.91.48.29 | hnt-fw.vag-brdr-dmz.router.upenn.edu | 0 | ||
| 128.91.48.30 | vag-brdr-dmz.hnt-fw.router.upenn.edu | 0 | ||
| 128.91.48.31 | — | 0 | ||
| 128.91.48.32 | — | 0 | ||
| 128.91.48.33 | hnt-brdr.vag-fw.router.upenn.edu | 0 | ||
| 128.91.48.34 | vag-fw.hnt-brdr.router.upenn.edu | 0 | ||
| 128.91.48.35 | — | 0 | ||
| 128.91.48.36 | — | 0 | ||
| 128.91.48.37 | hnt-brdr.hnt-brdr-dmz.router.upenn.edu | 0 | ||
| 128.91.48.38 | hnt-brdr-dmz.hnt-brdr.router.upenn.edu | 0 | ||
| 128.91.48.39 | — | 0 | ||
| 128.91.48.40 | — | 0 | ||
| 128.91.48.41 | vag-brdr.vag-brdr-dmz.router.upenn.edu | 0 | ||
| 128.91.48.42 | vag-brdr-dmz.vag-brdr.router.upenn.edu | 0 | ||
| 128.91.48.43 | — | 0 | ||
| 128.91.48.44 | — | 0 | ||
| 128.91.48.45 | hnt-brdr.vag-brdr.router.upenn.edu | 0 | ||
| 128.91.48.46 | vag-brdr.hnt-brdr.router.upenn.edu | 0 | ||
| 128.91.48.47 | — | 0 | ||
| 128.91.48.48 | — | 0 | ||
| 128.91.48.49 | evn.levy.router.upenn.edu | 0 | ||
| 128.91.48.50 | levy.evn.router.upenn.edu | 0 | ||
| 128.91.48.51 | — | 0 | ||
| 128.91.48.52 | — | 0 | ||
| 128.91.48.53 | hnt-fm.huntsman.router.upenn.edu | 0 | ||
| 128.91.48.54 | huntsman.hnt-fm.router.upenn.edu | 0 | ||
| 128.91.48.55 | — | 0 | ||
| 128.91.48.56 | pool1-48-56.unicom.nat.upenn.edu | 0 | ||
| 128.91.48.57 | pool1-48-57.unicom.nat.upenn.edu | 0 | ||
| 128.91.48.58 | pool2-48-58.unicom.nat.upenn.edu | 0 | ||
| 128.91.48.59 | pool2-48-59.unicom.nat.upenn.edu | 0 | ||
| 128.91.48.60 | sdns-www1a.nnn.upenn.edu | 0 | ||
| 128.91.48.61 | sdns-www1b.nnn.upenn.edu | 0 | ||
| 128.91.48.62 | sdns-www2a.nnn.upenn.edu | 0 | ||
| 128.91.48.63 | sdns-www2b.nnn.upenn.edu | 0 | ||
| 128.91.48.64 | — | 0 | ||
| 128.91.48.65 | rdns1a.nnn.modv.router.upenn.edu | 0 | ||
| 128.91.48.66 | rdns1a.nnn.upenn.edu | 0 | ||
| 128.91.48.67 | — | 0 | ||
| 128.91.48.68 | — | 0 | ||
| 128.91.48.69 | sdns1a.nnn.modv.router.upenn.edu | 0 | ||
| 128.91.48.70 | sdns1a.nnn.upenn.edu | 0 | ||
| 128.91.48.71 | — | 0 | ||
| 128.91.48.72 | — | 0 | ||
| 128.91.48.73 | rdns1b.nnn.vagelos.router.upenn.edu | 0 | ||
| 128.91.48.74 | rdns1b.nnn.upenn.edu | 0 | ||
| 128.91.48.75 | — | 0 | ||
| 128.91.48.76 | — | 0 | ||
| 128.91.48.77 | sdns1b.nnn.vagelos.router.upenn.edu | 0 | ||
| 128.91.48.78 | sdns1b.nnn.upenn.edu | 0 | ||
| 128.91.48.79 | — | 0 | ||
| 128.91.48.80 | — | 0 | ||
| 128.91.48.81 | — | 0 | ||
| 128.91.48.82 | — | 0 | ||
| 128.91.48.83 | — | 0 | ||
| 128.91.48.84 | — | 0 | ||
| 128.91.48.85 | — | 0 | ||
| 128.91.48.86 | — | 0 | ||
| 128.91.48.87 | — | 0 | ||
| 128.91.48.88 | — | 0 | ||
| 128.91.48.89 | — | 0 | ||
| 128.91.48.90 | — | 0 | ||
| 128.91.48.91 | — | 0 | ||
| 128.91.48.92 | — | 0 | ||
| 128.91.48.93 | — | 0 | ||
| 128.91.48.94 | — | 0 | ||
| 128.91.48.95 | — | 0 | ||
| 128.91.48.96 | — | 0 | ||
| 128.91.48.97 | irb102.hrs.router.upenn.edu | 0 | ||
| 128.91.48.98 | may-dhcp098.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.99 | may-dhcp099.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.100 | may-dhcp100.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.101 | may-dhcp101.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.102 | may-dhcp102.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.103 | may-dhcp103.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.104 | may-dhcp104.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.105 | may-dhcp105.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.106 | may-dhcp106.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.107 | may-dhcp107.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.108 | may-dhcp108.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.109 | may-dhcp109.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.110 | may-dhcp110.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.111 | may-dhcp111.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.112 | may-dhcp112.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.113 | may-dhcp113.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.114 | may-dhcp114.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.115 | may-dhcp115.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.116 | may-dhcp116.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.117 | may-dhcp117.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.118 | may-dhcp118.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.119 | may-dhcp119.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.120 | may-dhcp120.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.121 | may-dhcp121.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.122 | may-dhcp122.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.123 | may-dhcp123.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.124 | may-dhcp124.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.125 | may-dhcp125.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.126 | may-dhcp126.may.resnet.group.upenn.edu | 0 | ||
| 128.91.48.127 | — | 0 | ||
| 128.91.48.128 | — | 0 | ||
| 128.91.48.129 | irb16.geo.router.upenn.edu | 0 | ||
| 128.91.48.130 | ehrs-am-monitor.ehrs.upenn.edu | 0 | ||
| 128.91.48.131 | tech-printer.kite.upenn.edu | 0 | ||
| 128.91.48.132 | ehrs-tech-ricoh.admin.upenn.edu | 0 | ||
| 128.91.48.133 | ehrs-mail-ricoh.admin.upenn.edu | 0 | ||
| 128.91.48.134 | — | 0 | ||
| 128.91.48.135 | — | 0 | ||
| 128.91.48.136 | — | 0 | ||
| 128.91.48.137 | — | 0 | ||
| 128.91.48.138 | — | 0 | ||
| 128.91.48.139 | — | 0 | ||
| 128.91.48.140 | — | 0 | ||
| 128.91.48.141 | — | 0 | ||
| 128.91.48.142 | — | 0 | ||
| 128.91.48.143 | — | 0 | ||
| 128.91.48.144 | — | 0 | ||
| 128.91.48.145 | geo-ehrs-dhcp0000.ehrs.upenn.edu | 0 | ||
| 128.91.48.146 | geo-ehrs-dhcp0001.ehrs.upenn.edu | 0 | ||
| 128.91.48.147 | geo-ehrs-dhcp0002.ehrs.upenn.edu | 0 | ||
| 128.91.48.148 | geo-ehrs-dhcp0003.ehrs.upenn.edu | 0 | ||
| 128.91.48.149 | geo-ehrs-dhcp0004.ehrs.upenn.edu | 0 | ||
| 128.91.48.150 | geo-ehrs-dhcp0005.ehrs.upenn.edu | 0 | ||
| 128.91.48.151 | geo-ehrs-dhcp0006.ehrs.upenn.edu | 0 | ||
| 128.91.48.152 | geo-ehrs-dhcp0007.ehrs.upenn.edu | 0 | ||
| 128.91.48.153 | geo-ehrs-dhcp0008.ehrs.upenn.edu | 0 | ||
| 128.91.48.154 | geo-ehrs-dhcp0009.ehrs.upenn.edu | 0 | ||
| 128.91.48.155 | geo-ehrs-dhcp0010.ehrs.upenn.edu | 0 | ||
| 128.91.48.156 | geo-ehrs-dhcp0011.ehrs.upenn.edu | 0 | ||
| 128.91.48.157 | geo-ehrs-dhcp0012.ehrs.upenn.edu | 0 | ||
| 128.91.48.158 | geo-ehrs-dhcp0013.ehrs.upenn.edu | 0 | ||
| 128.91.48.159 | geo-ehrs-dhcp0014.ehrs.upenn.edu | 0 | ||
| 128.91.48.160 | geo-ehrs-dhcp0015.ehrs.upenn.edu | 0 | ||
| 128.91.48.161 | geo-ehrs-dhcp0016.ehrs.upenn.edu | 0 | ||
| 128.91.48.162 | geo-ehrs-dhcp0017.ehrs.upenn.edu | 0 | ||
| 128.91.48.163 | geo-ehrs-dhcp0018.ehrs.upenn.edu | 0 | ||
| 128.91.48.164 | geo-ehrs-dhcp0019.ehrs.upenn.edu | 0 | ||
| 128.91.48.165 | geo-ehrs-dhcp0020.ehrs.upenn.edu | 0 | ||
| 128.91.48.166 | geo-ehrs-dhcp0021.ehrs.upenn.edu | 0 | ||
| 128.91.48.167 | geo-ehrs-dhcp0022.ehrs.upenn.edu | 0 | ||
| 128.91.48.168 | geo-ehrs-dhcp0023.ehrs.upenn.edu | 0 | ||
| 128.91.48.169 | geo-ehrs-dhcp0024.ehrs.upenn.edu | 0 | ||
| 128.91.48.170 | geo-ehrs-dhcp0025.ehrs.upenn.edu | 0 | ||
| 128.91.48.171 | geo-ehrs-dhcp0026.ehrs.upenn.edu | 0 | ||
| 128.91.48.172 | geo-ehrs-dhcp0027.ehrs.upenn.edu | 0 | ||
| 128.91.48.173 | geo-ehrs-dhcp0028.ehrs.upenn.edu | 0 | ||
| 128.91.48.174 | geo-ehrs-dhcp0029.ehrs.upenn.edu | 0 | ||
| 128.91.48.175 | geo-ehrs-dhcp0030.ehrs.upenn.edu | 0 | ||
| 128.91.48.176 | geo-ehrs-dhcp0031.ehrs.upenn.edu | 0 | ||
| 128.91.48.177 | geo-ehrs-dhcp0032.ehrs.upenn.edu | 0 | ||
| 128.91.48.178 | geo-ehrs-dhcp0033.ehrs.upenn.edu | 0 | ||
| 128.91.48.179 | geo-ehrs-dhcp0034.ehrs.upenn.edu | 0 | ||
| 128.91.48.180 | geo-ehrs-dhcp0035.ehrs.upenn.edu | 0 | ||
| 128.91.48.181 | geo-ehrs-dhcp0036.ehrs.upenn.edu | 0 | ||
| 128.91.48.182 | geo-ehrs-dhcp0037.ehrs.upenn.edu | 0 | ||
| 128.91.48.183 | geo-ehrs-dhcp0038.ehrs.upenn.edu | 0 | ||
| 128.91.48.184 | geo-ehrs-dhcp0039.ehrs.upenn.edu | 0 | ||
| 128.91.48.185 | geo-ehrs-dhcp0040.ehrs.upenn.edu | 0 | ||
| 128.91.48.186 | geo-ehrs-dhcp0041.ehrs.upenn.edu | 0 | ||
| 128.91.48.187 | geo-ehrs-dhcp0042.ehrs.upenn.edu | 0 | ||
| 128.91.48.188 | geo-ehrs-dhcp0043.ehrs.upenn.edu | 0 | ||
| 128.91.48.189 | geo-ehrs-dhcp0044.ehrs.upenn.edu | 0 | ||
| 128.91.48.190 | geo-ehrs-dhcp0045.ehrs.upenn.edu | 0 | ||
| 128.91.48.191 | geo-ehrs-dhcp0046.ehrs.upenn.edu | 0 | ||
| 128.91.48.192 | geo-ehrs-dhcp0047.ehrs.upenn.edu | 0 | ||
| 128.91.48.193 | geo-ehrs-dhcp0048.ehrs.upenn.edu | 0 | ||
| 128.91.48.194 | geo-ehrs-dhcp0049.ehrs.upenn.edu | 0 | ||
| 128.91.48.195 | geo-ehrs-dhcp0050.ehrs.upenn.edu | 0 | ||
| 128.91.48.196 | geo-ehrs-dhcp0051.ehrs.upenn.edu | 0 | ||
| 128.91.48.197 | geo-ehrs-dhcp0052.ehrs.upenn.edu | 0 | ||
| 128.91.48.198 | geo-ehrs-dhcp0053.ehrs.upenn.edu | 0 | ||
| 128.91.48.199 | geo-ehrs-dhcp0054.ehrs.upenn.edu | 0 | ||
| 128.91.48.200 | geo-ehrs-dhcp0055.ehrs.upenn.edu | 0 | ||
| 128.91.48.201 | geo-ehrs-dhcp0056.ehrs.upenn.edu | 0 | ||
| 128.91.48.202 | geo-ehrs-dhcp0057.ehrs.upenn.edu | 0 | ||
| 128.91.48.203 | geo-ehrs-dhcp0058.ehrs.upenn.edu | 0 | ||
| 128.91.48.204 | geo-ehrs-dhcp0059.ehrs.upenn.edu | 0 | ||
| 128.91.48.205 | geo-ehrs-dhcp0060.ehrs.upenn.edu | 0 | ||
| 128.91.48.206 | geo-ehrs-dhcp0061.ehrs.upenn.edu | 0 | ||
| 128.91.48.207 | geo-ehrs-dhcp0062.ehrs.upenn.edu | 0 | ||
| 128.91.48.208 | geo-ehrs-dhcp0063.ehrs.upenn.edu | 0 | ||
| 128.91.48.209 | geo-ehrs-dhcp0064.ehrs.upenn.edu | 0 | ||
| 128.91.48.210 | geo-ehrs-dhcp0065.ehrs.upenn.edu | 0 | ||
| 128.91.48.211 | geo-ehrs-dhcp0066.ehrs.upenn.edu | 0 | ||
| 128.91.48.212 | geo-ehrs-dhcp0067.ehrs.upenn.edu | 0 | ||
| 128.91.48.213 | geo-ehrs-dhcp0068.ehrs.upenn.edu | 0 | ||
| 128.91.48.214 | geo-ehrs-dhcp0069.ehrs.upenn.edu | 0 | ||
| 128.91.48.215 | geo-ehrs-dhcp0070.ehrs.upenn.edu | 0 | ||
| 128.91.48.216 | geo-ehrs-dhcp0071.ehrs.upenn.edu | 0 | ||
| 128.91.48.217 | geo-ehrs-dhcp0072.ehrs.upenn.edu | 0 | ||
| 128.91.48.218 | geo-ehrs-dhcp0073.ehrs.upenn.edu | 0 | ||
| 128.91.48.219 | geo-ehrs-dhcp0074.ehrs.upenn.edu | 0 | ||
| 128.91.48.220 | geo-ehrs-dhcp0075.ehrs.upenn.edu | 0 | ||
| 128.91.48.221 | geo-ehrs-dhcp0076.ehrs.upenn.edu | 0 | ||
| 128.91.48.222 | geo-ehrs-dhcp0077.ehrs.upenn.edu | 0 | ||
| 128.91.48.223 | geo-ehrs-dhcp0078.ehrs.upenn.edu | 0 | ||
| 128.91.48.224 | geo-ehrs-dhcp0079.ehrs.upenn.edu | 0 | ||
| 128.91.48.225 | geo-ehrs-dhcp0080.ehrs.upenn.edu | 0 | ||
| 128.91.48.226 | geo-ehrs-dhcp0081.ehrs.upenn.edu | 0 | ||
| 128.91.48.227 | geo-ehrs-dhcp0082.ehrs.upenn.edu | 0 | ||
| 128.91.48.228 | geo-ehrs-dhcp0083.ehrs.upenn.edu | 0 | ||
| 128.91.48.229 | geo-ehrs-dhcp0084.ehrs.upenn.edu | 0 | ||
| 128.91.48.230 | geo-ehrs-dhcp0085.ehrs.upenn.edu | 0 | ||
| 128.91.48.231 | geo-ehrs-dhcp0086.ehrs.upenn.edu | 0 | ||
| 128.91.48.232 | geo-ehrs-dhcp0087.ehrs.upenn.edu | 0 | ||
| 128.91.48.233 | geo-ehrs-dhcp0088.ehrs.upenn.edu | 0 | ||
| 128.91.48.234 | geo-ehrs-dhcp0089.ehrs.upenn.edu | 0 | ||
| 128.91.48.235 | geo-ehrs-dhcp0090.ehrs.upenn.edu | 0 | ||
| 128.91.48.236 | geo-ehrs-dhcp0091.ehrs.upenn.edu | 0 | ||
| 128.91.48.237 | geo-ehrs-dhcp0092.ehrs.upenn.edu | 0 | ||
| 128.91.48.238 | geo-ehrs-dhcp0093.ehrs.upenn.edu | 0 | ||
| 128.91.48.239 | geo-ehrs-dhcp0094.ehrs.upenn.edu | 0 | ||
| 128.91.48.240 | geo-ehrs-dhcp0095.ehrs.upenn.edu | 0 | ||
| 128.91.48.241 | geo-ehrs-dhcp0096.ehrs.upenn.edu | 0 | ||
| 128.91.48.242 | geo-ehrs-dhcp0097.ehrs.upenn.edu | 0 | ||
| 128.91.48.243 | geo-ehrs-dhcp0098.ehrs.upenn.edu | 0 | ||
| 128.91.48.244 | geo-ehrs-dhcp0099.ehrs.upenn.edu | 0 | ||
| 128.91.48.245 | geo-ehrs-dhcp0100.ehrs.upenn.edu | 0 | ||
| 128.91.48.246 | geo-ehrs-dhcp0101.ehrs.upenn.edu | 0 | ||
| 128.91.48.247 | geo-ehrs-dhcp0102.ehrs.upenn.edu | 0 | ||
| 128.91.48.248 | geo-ehrs-dhcp0103.ehrs.upenn.edu | 0 | ||
| 128.91.48.249 | geo-ehrs-dhcp0104.ehrs.upenn.edu | 0 | ||
| 128.91.48.250 | geo-ehrs-dhcp0105.ehrs.upenn.edu | 0 | ||
| 128.91.48.251 | geo-ehrs-dhcp0106.ehrs.upenn.edu | 0 | ||
| 128.91.48.252 | geo-ehrs-dhcp0107.ehrs.upenn.edu | 0 | ||
| 128.91.48.253 | geo-ehrs-dhcp0108.ehrs.upenn.edu | 0 | ||
| 128.91.48.254 | geo-ehrs-dhcp0109.ehrs.upenn.edu | 0 | ||
| 128.91.48.255 | — | 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 128.91.48.99
traceroute to 128.91.48.99 (128.91.48.99): 64 hops max, 52 byte packets
3 *
4 *
6 *
7 *
8 *
9 *
Measurement taken from
IPinfo ProbeNet in Coventry, GB
On