Summary
| ASN | AS55 University of Pennsylvania |
| BGP | 128.91.0.0/16 |
| IPs with RDNS | 165 |
| Hosted Domains | 0 |
| Pingable IPs | 33 |
| Router IPs | 0 |
| 128.91.21.0 | — | 0 | ||
| 128.91.21.1 | lwk-vpul-pennnet-gw.router.upenn.edu | 0 | ||
| 128.91.21.2 | — | 0 | ||
| 128.91.21.3 | — | 0 | ||
| 128.91.21.4 | — | 0 | ||
| 128.91.21.5 | — | 0 | ||
| 128.91.21.6 | — | 0 | ||
| 128.91.21.7 | — | 0 | ||
| 128.91.21.8 | — | 0 | ||
| 128.91.21.9 | — | 0 | ||
| 128.91.21.10 | — | 0 | ||
| 128.91.21.11 | — | 0 | ||
| 128.91.21.12 | — | 0 | ||
| 128.91.21.13 | — | 0 | ||
| 128.91.21.14 | — | 0 | ||
| 128.91.21.15 | — | 0 | ||
| 128.91.21.16 | — | 0 | ||
| 128.91.21.17 | — | 0 | ||
| 128.91.21.18 | — | 0 | ||
| 128.91.21.19 | — | 0 | ||
| 128.91.21.20 | — | 0 | ||
| 128.91.21.21 | — | 0 | ||
| 128.91.21.22 | — | 0 | ||
| 128.91.21.23 | — | 0 | ||
| 128.91.21.24 | — | 0 | ||
| 128.91.21.25 | — | 0 | ||
| 128.91.21.26 | — | 0 | ||
| 128.91.21.27 | — | 0 | ||
| 128.91.21.28 | — | 0 | ||
| 128.91.21.29 | — | 0 | ||
| 128.91.21.30 | — | 0 | ||
| 128.91.21.31 | — | 0 | ||
| 128.91.21.32 | — | 0 | ||
| 128.91.21.33 | — | 0 | ||
| 128.91.21.34 | — | 0 | ||
| 128.91.21.35 | — | 0 | ||
| 128.91.21.36 | — | 0 | ||
| 128.91.21.37 | — | 0 | ||
| 128.91.21.38 | — | 0 | ||
| 128.91.21.39 | — | 0 | ||
| 128.91.21.40 | — | 0 | ||
| 128.91.21.41 | — | 0 | ||
| 128.91.21.42 | — | 0 | ||
| 128.91.21.43 | — | 0 | ||
| 128.91.21.44 | — | 0 | ||
| 128.91.21.45 | — | 0 | ||
| 128.91.21.46 | — | 0 | ||
| 128.91.21.47 | — | 0 | ||
| 128.91.21.48 | — | 0 | ||
| 128.91.21.49 | — | 0 | ||
| 128.91.21.50 | gsc20-0004-wd.admin.upenn.edu | 0 | ||
| 128.91.21.51 | gsc19-002-wl.admin.upenn.edu | 0 | ||
| 128.91.21.52 | prv22-0047-wd.admin.upenn.edu | 0 | ||
| 128.91.21.53 | prv22-0048-wd.admin.upenn.edu | 0 | ||
| 128.91.21.54 | prv22-0049-wd.admin.upenn.edu | 0 | ||
| 128.91.21.55 | — | 0 | ||
| 128.91.21.56 | — | 0 | ||
| 128.91.21.57 | — | 0 | ||
| 128.91.21.58 | — | 0 | ||
| 128.91.21.59 | — | 0 | ||
| 128.91.21.60 | — | 0 | ||
| 128.91.21.61 | — | 0 | ||
| 128.91.21.62 | — | 0 | ||
| 128.91.21.63 | — | 0 | ||
| 128.91.21.64 | — | 0 | ||
| 128.91.21.65 | irb20.fkb.router.upenn.edu | 0 | ||
| 128.91.21.66 | fkb-dhcp-00.kite.upenn.edu | 0 | ||
| 128.91.21.67 | fkb-dhcp-01.kite.upenn.edu | 0 | ||
| 128.91.21.68 | fkb-dhcp-02.kite.upenn.edu | 0 | ||
| 128.91.21.69 | fkb-dhcp-03.kite.upenn.edu | 0 | ||
| 128.91.21.70 | fkb-dhcp-04.kite.upenn.edu | 0 | ||
| 128.91.21.71 | fkb-dhcp-05.kite.upenn.edu | 0 | ||
| 128.91.21.72 | fkb-dhcp-06.kite.upenn.edu | 0 | ||
| 128.91.21.73 | fkb-dhcp-07.kite.upenn.edu | 0 | ||
| 128.91.21.74 | fkb-dhcp-08.kite.upenn.edu | 0 | ||
| 128.91.21.75 | fkb-dhcp-09.kite.upenn.edu | 0 | ||
| 128.91.21.76 | fkb-dhcp-10.kite.upenn.edu | 0 | ||
| 128.91.21.77 | fkb-dhcp-11.kite.upenn.edu | 0 | ||
| 128.91.21.78 | fkb-dhcp-12.kite.upenn.edu | 0 | ||
| 128.91.21.79 | fkb-dhcp-13.kite.upenn.edu | 0 | ||
| 128.91.21.80 | fkb-dhcp-14.kite.upenn.edu | 0 | ||
| 128.91.21.81 | fkb-dhcp-15.kite.upenn.edu | 0 | ||
| 128.91.21.82 | fkb-dhcp-16.kite.upenn.edu | 0 | ||
| 128.91.21.83 | fkb-dhcp-17.kite.upenn.edu | 0 | ||
| 128.91.21.84 | fkb-dhcp-18.kite.upenn.edu | 0 | ||
| 128.91.21.85 | fkb-dhcp-19.kite.upenn.edu | 0 | ||
| 128.91.21.86 | fkb-dhcp-20.kite.upenn.edu | 0 | ||
| 128.91.21.87 | fkb-dhcp-21.kite.upenn.edu | 0 | ||
| 128.91.21.88 | fkb-dhcp-22.kite.upenn.edu | 0 | ||
| 128.91.21.89 | fkb-dhcp-23.kite.upenn.edu | 0 | ||
| 128.91.21.90 | fkb-dhcp-24.kite.upenn.edu | 0 | ||
| 128.91.21.91 | fkb-dhcp-25.kite.upenn.edu | 0 | ||
| 128.91.21.92 | fkb-dhcp-26.kite.upenn.edu | 0 | ||
| 128.91.21.93 | fkb-dhcp-27.kite.upenn.edu | 0 | ||
| 128.91.21.94 | fkb-dhcp-28.kite.upenn.edu | 0 | ||
| 128.91.21.95 | fkb-dhcp-29.kite.upenn.edu | 0 | ||
| 128.91.21.96 | titlevi-fkb-hpprinter.kite.upenn.edu | 0 | ||
| 128.91.21.97 | cerl-fka-printer.kite.upenn.edu | 0 | ||
| 128.91.21.98 | — | 0 | ||
| 128.91.21.99 | — | 0 | ||
| 128.91.21.100 | — | 0 | ||
| 128.91.21.101 | — | 0 | ||
| 128.91.21.102 | — | 0 | ||
| 128.91.21.103 | — | 0 | ||
| 128.91.21.104 | — | 0 | ||
| 128.91.21.105 | — | 0 | ||
| 128.91.21.106 | — | 0 | ||
| 128.91.21.107 | — | 0 | ||
| 128.91.21.108 | — | 0 | ||
| 128.91.21.109 | — | 0 | ||
| 128.91.21.110 | — | 0 | ||
| 128.91.21.111 | — | 0 | ||
| 128.91.21.112 | — | 0 | ||
| 128.91.21.113 | — | 0 | ||
| 128.91.21.114 | — | 0 | ||
| 128.91.21.115 | — | 0 | ||
| 128.91.21.116 | — | 0 | ||
| 128.91.21.117 | — | 0 | ||
| 128.91.21.118 | — | 0 | ||
| 128.91.21.119 | — | 0 | ||
| 128.91.21.120 | — | 0 | ||
| 128.91.21.121 | — | 0 | ||
| 128.91.21.122 | — | 0 | ||
| 128.91.21.123 | — | 0 | ||
| 128.91.21.124 | — | 0 | ||
| 128.91.21.125 | — | 0 | ||
| 128.91.21.126 | — | 0 | ||
| 128.91.21.127 | — | 0 | ||
| 128.91.21.128 | — | 0 | ||
| 128.91.21.129 | irb2.geb.router.upenn.edu | 0 | ||
| 128.91.21.130 | geb-000.gse.upenn.edu | 0 | ||
| 128.91.21.131 | geb-001.gse.upenn.edu | 0 | ||
| 128.91.21.132 | geb-002.gse.upenn.edu | 0 | ||
| 128.91.21.133 | geb-003.gse.upenn.edu | 0 | ||
| 128.91.21.134 | geb-004.gse.upenn.edu | 0 | ||
| 128.91.21.135 | geb-005.gse.upenn.edu | 0 | ||
| 128.91.21.136 | geb-006.gse.upenn.edu | 0 | ||
| 128.91.21.137 | geb-007.gse.upenn.edu | 0 | ||
| 128.91.21.138 | geb-008.gse.upenn.edu | 0 | ||
| 128.91.21.139 | geb-009.gse.upenn.edu | 0 | ||
| 128.91.21.140 | geb-010.gse.upenn.edu | 0 | ||
| 128.91.21.141 | geb-011.gse.upenn.edu | 0 | ||
| 128.91.21.142 | geb-012.gse.upenn.edu | 0 | ||
| 128.91.21.143 | geb-013.gse.upenn.edu | 0 | ||
| 128.91.21.144 | geb-014.gse.upenn.edu | 0 | ||
| 128.91.21.145 | geb-015.gse.upenn.edu | 0 | ||
| 128.91.21.146 | geb-016.gse.upenn.edu | 0 | ||
| 128.91.21.147 | geb-017.gse.upenn.edu | 0 | ||
| 128.91.21.148 | geb-018.gse.upenn.edu | 0 | ||
| 128.91.21.149 | geb-019.gse.upenn.edu | 0 | ||
| 128.91.21.150 | geb-020.gse.upenn.edu | 0 | ||
| 128.91.21.151 | geb-021.gse.upenn.edu | 0 | ||
| 128.91.21.152 | geb-022.gse.upenn.edu | 0 | ||
| 128.91.21.153 | geb-023.gse.upenn.edu | 0 | ||
| 128.91.21.154 | geb-024.gse.upenn.edu | 0 | ||
| 128.91.21.155 | geb-025.gse.upenn.edu | 0 | ||
| 128.91.21.156 | geb-026.gse.upenn.edu | 0 | ||
| 128.91.21.157 | geb-027.gse.upenn.edu | 0 | ||
| 128.91.21.158 | geb-028.gse.upenn.edu | 0 | ||
| 128.91.21.159 | geb-029.gse.upenn.edu | 0 | ||
| 128.91.21.160 | geb-030.gse.upenn.edu | 0 | ||
| 128.91.21.161 | geb-031.gse.upenn.edu | 0 | ||
| 128.91.21.162 | geb-032.gse.upenn.edu | 0 | ||
| 128.91.21.163 | geb-033.gse.upenn.edu | 0 | ||
| 128.91.21.164 | geb-034.gse.upenn.edu | 0 | ||
| 128.91.21.165 | geb-035.gse.upenn.edu | 0 | ||
| 128.91.21.166 | geb-036.gse.upenn.edu | 0 | ||
| 128.91.21.167 | geb-037.gse.upenn.edu | 0 | ||
| 128.91.21.168 | geb-038.gse.upenn.edu | 0 | ||
| 128.91.21.169 | geb-039.gse.upenn.edu | 0 | ||
| 128.91.21.170 | geb-040.gse.upenn.edu | 0 | ||
| 128.91.21.171 | geb-041.gse.upenn.edu | 0 | ||
| 128.91.21.172 | geb-042.gse.upenn.edu | 0 | ||
| 128.91.21.173 | geb-043.gse.upenn.edu | 0 | ||
| 128.91.21.174 | geb-044.gse.upenn.edu | 0 | ||
| 128.91.21.175 | geb-045.gse.upenn.edu | 0 | ||
| 128.91.21.176 | geb-046.gse.upenn.edu | 0 | ||
| 128.91.21.177 | geb-047.gse.upenn.edu | 0 | ||
| 128.91.21.178 | geb-048.gse.upenn.edu | 0 | ||
| 128.91.21.179 | geb-049.gse.upenn.edu | 0 | ||
| 128.91.21.180 | geb-050.gse.upenn.edu | 0 | ||
| 128.91.21.181 | geb-051.gse.upenn.edu | 0 | ||
| 128.91.21.182 | geb-052.gse.upenn.edu | 0 | ||
| 128.91.21.183 | geb-053.gse.upenn.edu | 0 | ||
| 128.91.21.184 | geb-054.gse.upenn.edu | 0 | ||
| 128.91.21.185 | geb-055.gse.upenn.edu | 0 | ||
| 128.91.21.186 | geb-056.gse.upenn.edu | 0 | ||
| 128.91.21.187 | geb-057.gse.upenn.edu | 0 | ||
| 128.91.21.188 | geb-058.gse.upenn.edu | 0 | ||
| 128.91.21.189 | geb-059.gse.upenn.edu | 0 | ||
| 128.91.21.190 | geb-060.gse.upenn.edu | 0 | ||
| 128.91.21.191 | geb-061.gse.upenn.edu | 0 | ||
| 128.91.21.192 | geb-062.gse.upenn.edu | 0 | ||
| 128.91.21.193 | geb-063.gse.upenn.edu | 0 | ||
| 128.91.21.194 | geb-064.gse.upenn.edu | 0 | ||
| 128.91.21.195 | geb-065.gse.upenn.edu | 0 | ||
| 128.91.21.196 | geb-066.gse.upenn.edu | 0 | ||
| 128.91.21.197 | geb-067.gse.upenn.edu | 0 | ||
| 128.91.21.198 | geb-068.gse.upenn.edu | 0 | ||
| 128.91.21.199 | geb-069.gse.upenn.edu | 0 | ||
| 128.91.21.200 | geb-070.gse.upenn.edu | 0 | ||
| 128.91.21.201 | geb-071.gse.upenn.edu | 0 | ||
| 128.91.21.202 | geb-072.gse.upenn.edu | 0 | ||
| 128.91.21.203 | geb-073.gse.upenn.edu | 0 | ||
| 128.91.21.204 | geb-074.gse.upenn.edu | 0 | ||
| 128.91.21.205 | geb-075.gse.upenn.edu | 0 | ||
| 128.91.21.206 | geb-076.gse.upenn.edu | 0 | ||
| 128.91.21.207 | geb-077.gse.upenn.edu | 0 | ||
| 128.91.21.208 | geb-078.gse.upenn.edu | 0 | ||
| 128.91.21.209 | geb-079.gse.upenn.edu | 0 | ||
| 128.91.21.210 | geb-080.gse.upenn.edu | 0 | ||
| 128.91.21.211 | geb-081.gse.upenn.edu | 0 | ||
| 128.91.21.212 | geb-082.gse.upenn.edu | 0 | ||
| 128.91.21.213 | geb-083.gse.upenn.edu | 0 | ||
| 128.91.21.214 | geb-084.gse.upenn.edu | 0 | ||
| 128.91.21.215 | geb-085.gse.upenn.edu | 0 | ||
| 128.91.21.216 | geb-086.gse.upenn.edu | 0 | ||
| 128.91.21.217 | geb-087.gse.upenn.edu | 0 | ||
| 128.91.21.218 | geb-088.gse.upenn.edu | 0 | ||
| 128.91.21.219 | geb-089.gse.upenn.edu | 0 | ||
| 128.91.21.220 | geb-090.gse.upenn.edu | 0 | ||
| 128.91.21.221 | geb-091.gse.upenn.edu | 0 | ||
| 128.91.21.222 | geb-092.gse.upenn.edu | 0 | ||
| 128.91.21.223 | geb-093.gse.upenn.edu | 0 | ||
| 128.91.21.224 | geb-094.gse.upenn.edu | 0 | ||
| 128.91.21.225 | geb-095.gse.upenn.edu | 0 | ||
| 128.91.21.226 | geb-096.gse.upenn.edu | 0 | ||
| 128.91.21.227 | geb-097.gse.upenn.edu | 0 | ||
| 128.91.21.228 | geb-098.gse.upenn.edu | 0 | ||
| 128.91.21.229 | geb-099.gse.upenn.edu | 0 | ||
| 128.91.21.230 | geb-100.gse.upenn.edu | 0 | ||
| 128.91.21.231 | geb-101.gse.upenn.edu | 0 | ||
| 128.91.21.232 | geb-102.gse.upenn.edu | 0 | ||
| 128.91.21.233 | geb-103.gse.upenn.edu | 0 | ||
| 128.91.21.234 | geb-104.gse.upenn.edu | 0 | ||
| 128.91.21.235 | geb-105.gse.upenn.edu | 0 | ||
| 128.91.21.236 | geb-106.gse.upenn.edu | 0 | ||
| 128.91.21.237 | geb-107.gse.upenn.edu | 0 | ||
| 128.91.21.238 | geb-108.gse.upenn.edu | 0 | ||
| 128.91.21.239 | geb-109.gse.upenn.edu | 0 | ||
| 128.91.21.240 | geb-110.gse.upenn.edu | 0 | ||
| 128.91.21.241 | geb-111.gse.upenn.edu | 0 | ||
| 128.91.21.242 | geb-112.gse.upenn.edu | 0 | ||
| 128.91.21.243 | geb-113.gse.upenn.edu | 0 | ||
| 128.91.21.244 | geb-114.gse.upenn.edu | 0 | ||
| 128.91.21.245 | geb-115.gse.upenn.edu | 0 | ||
| 128.91.21.246 | geb-116.gse.upenn.edu | 0 | ||
| 128.91.21.247 | geb-117.gse.upenn.edu | 0 | ||
| 128.91.21.248 | geb-118.gse.upenn.edu | 0 | ||
| 128.91.21.249 | geb-119.gse.upenn.edu | 0 | ||
| 128.91.21.250 | geb-120.gse.upenn.edu | 0 | ||
| 128.91.21.251 | geb-121.gse.upenn.edu | 0 | ||
| 128.91.21.252 | geb-122.gse.upenn.edu | 0 | ||
| 128.91.21.253 | geb-123.gse.upenn.edu | 0 | ||
| 128.91.21.254 | geb-124.gse.upenn.edu | 0 | ||
| 128.91.21.255 | — | 0 |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f5 128.91.21.241
traceroute to 128.91.21.241 (128.91.21.241): 64 hops max, 52 byte packets
6 *
8 *
9 *
10 *
11 *
Measurement taken from
IPinfo ProbeNet in Caracas, VE
On