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AS CIDR Description
AS55 128.91.0.0/16 UPENN - University of Pennsylvania, US

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AS / Info IP / Time AS Path
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Reverse DNS List (Total:240)

IP Host DateTime
128.91.12.1 irb100.rcb.router.upenn.edu 2024-04-30 18:23:51
128.91.12.2 rupalb-22-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.4 dherresp-22.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.5 nbssolstice.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.8 eweinber-17.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.9 drrichie-22-01.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.10 gdd-dhcp-01.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.11 gdd-dhcp-02.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.12 gdd-dhcp-03.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.13 gdd-dhcp-04.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.14 gdd-dhcp-05.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.15 gdd-dhcp-06.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.16 gdd-dhcp-07.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.17 gdd-dhcp-08.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.18 gdd-dhcp-09.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.19 gdd-dhcp-10.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.20 gdd-dhcp-11.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.21 gdd-dhcp-12.sas.upenn.edu 2024-04-25 02:36:09
128.91.12.22 gdd-dhcp-13.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.23 gdd-dhcp-14.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.24 gdd-dhcp-15.sas.upenn.edu 2024-04-25 02:36:09
128.91.12.26 gdd-dhcp-17.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.27 gdd-dhcp-18.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.28 gdd-dhcp-19.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.29 gdd-dhcp-20.sas.upenn.edu 2024-04-25 02:36:09
128.91.12.30 gdd-dhcp-21.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.31 gdd-dhcp-22.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.32 gdd-dhcp-23.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.33 gdd-dhcp-24.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.34 gdd-dhcp-25.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.35 gdd-dhcp-26.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.36 gdd-dhcp-27.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.37 gdd-dhcp-28.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.38 gdd-dhcp-29.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.39 gdd-dhcp-30.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.40 edfriess-19-01.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.41 sas-arcarolab21-md.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.42 d9052.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.43 d8131.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.44 stingray.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.45 d11461.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.46 d11295.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.47 d7999.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.48 copier-b-gdd5.sas.upenn.edu 2024-04-25 02:36:09
128.91.12.49 d11298.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.50 bonice.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.51 ristretto.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.52 d11114.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.53 magi-2-balthasar.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.54 d11103.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.55 victorrl.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.56 rust-sabre.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.57 d10892.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.58 d10852.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.59 aybar-23.bio.upenn.edu 2024-04-25 02:36:09
128.91.12.60 fugu.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.61 peurifoy02.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.62 d10658.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.63 d10614.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.64 d9049.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.65 d10538.sas.upenn.edu 2024-04-25 02:36:09
128.91.12.66 d10489.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.67 d9050.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.68 d10232.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.69 gdd-basement-brainard-temp.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.70 bonicn.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.71 dept-business-finprinter.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.72 adunhampro-13.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.73 leighme-20-01.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.74 biobas-printer-t.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.75 bsheila-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.76 busofficetemp.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.77 burgelab-prt-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.78 abar-prt.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.79 jburge-marr.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.80 jburge-julesz.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.81 hawk.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.82 starfish.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.83 tofu-desktop.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.84 skate.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.85 janzen-gdd-temp.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.88 platypus.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.89 sas-gdd102-md.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.90 manta.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.91 sas-gdd100-md.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.92 seacucumber.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.93 albacore.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.94 marcaro-19-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.95 gdd315.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.96 copier-a-gdd5.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.97 d8519.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.98 printer-a-gdd3-bw.sas.upenn.edu 2024-04-25 02:36:09
128.91.12.99 printer-c-gdd3-color.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.100 printer-f-gdd5-color.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.101 dhb-loaner.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.102 squid.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.103 d10431.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.104 l7541.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.105 mryan-dell.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.106 d11335.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.107 brainardlab-17.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.108 abalone.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.109 jryan-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.110 d9505.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.111 d8618.bio.upenn.edu 2024-04-25 02:36:09
128.91.12.112 tamminga-printer-a.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.113 d8780.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.114 d8778.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.115 roberts-fw.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.116 d8716.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.117 pagnes-fortinet.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.118 scallop.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.119 l10767.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.120 seal.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.121 d8059.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.122 d8475.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.123 d6659.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.124 neurisearcher.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.125 dunham-office.bio.upenn.edu 2024-04-25 02:36:09
128.91.12.126 printer-e-gdd5-color.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.127 printer-d-gdd3-color.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.128 printer-b-gdd3-bw.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.129 printer-g-gdd3-bw.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.130 stsmini.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.131 lobby-gdd5.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.132 nudibranch.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.133 seaanemone.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.134 schill-printer-a.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.135 sas-gdd101-md.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.136 sas-gdd103-md.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.137 eagleray.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.138 mryan-mac.sas.upenn.edu 2024-04-25 02:36:09
128.91.12.139 rustlab-imac.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.140 d9084.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.141 copier-ccn-3rdfloor.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.142 goldlab-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.143 oyster.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.144 ionean.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.145 rustlab-19-01.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.146 sas-erios23-wd.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.147 jburge-ogle.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.148 d9809.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.149 burge01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.150 bsheila-prt.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.151 kimellis-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.152 truffo01.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.153 temp-donotuse.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.154 d6269.bio.upenn.edu 2024-04-25 02:36:09
128.91.12.155 leviathan.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.156 scan-printer-a.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.157 riesling.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.158 dianaxieplatt.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.159 ccn-mersive.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.160 gka30-1.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.161 d10784.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.162 coral.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.163 taka.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.164 ethernetdongle-ac.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.165 gmilewsk-23.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.166 d7908.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.167 gka34.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.168 bonicb.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.169 nrust-prt-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.170 biobas-printer-l.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.171 d9897.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.172 biobas-printer-c.bio.upenn.edu 2024-04-25 02:36:09
128.91.12.173 magi-1-melchior.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.174 seele.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.175 d11091.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.176 d11296.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.177 beluga.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.178 detre-01.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.180 d11566.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.181 biobas-printer-d.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.182 zhang01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.183 sas-jharnish-wd.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.184 casper.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.185 biobas-19-01.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.186 setajp-19-01.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.187 brainard-20-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.188 rustlab-ibm-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.189 stonefish.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.190 128.91.12.190.bio.upenn.edu 2024-04-30 18:23:51
128.91.12.191 d10385.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.192 saccsfa.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.193 brainardlab-21-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.194 sas-trombone-wl.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.195 brainardlab-21-02.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.196 epsteinlab21-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.197 epsteinlab21-02.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.198 rustlab-21-01.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.199 epsteinlab21-03.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.200 espresso.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.201 macchiato.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.202 cappuccino.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.203 stockerplaceholder.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.204 corretto.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.205 lungo.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.206 mocha.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.207 americano.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.208 solo.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.209 doppio.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.210 affogato.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.211 galao.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.212 hplj3525-stocker.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.213 stocker-exp1.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.214 astocker304c.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.215 latte.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.216 stocker-hold02.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.217 stocker-hold03.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.218 stocker-hold04.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.219 stocker-hold05.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.220 epsteinlab21-04.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.221 epsteinlab21-05.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.222 d10102.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.223 sharkray.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.224 brainardlab-macstudio.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.225 bluewhale.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.226 altai.med.upenn.edu 2024-04-30 18:23:51
128.91.12.227 markel-pc.med.upenn.edu 2024-04-30 18:23:51
128.91.12.228 markel-ptr.med.upenn.edu 2024-04-30 18:23:51
128.91.12.229 neva.med.upenn.edu 2024-04-30 18:23:51
128.91.12.230 phy-shuma-03.med.upenn.edu 2024-04-30 18:23:51
128.91.12.231 surgery84.med.upenn.edu 2024-04-30 18:23:51
128.91.12.232 alexs-macbook-pro-3.pmacs.upenn.edu 2024-04-30 18:23:51
128.91.12.233 nro-chatt-021.pmacs.upenn.edu 2024-04-30 18:23:51
128.91.12.234 nro-chatt-101.pmacs.upenn.edu 2024-04-30 18:23:51
128.91.12.235 rad-marke-001.pmacs.upenn.edu 2024-04-25 02:36:09
128.91.12.236 rad-marke-002.pmacs.upenn.edu 2024-04-30 18:23:51
128.91.12.237 sas-gdd200-wd.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.238 glados.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.239 glab-207pod.sas.upenn.edu 2024-04-30 18:23:51
128.91.12.240 nro-chatt-028.med.upenn.edu 2024-04-30 18:23:51
128.91.12.241 nro-chatt-004.pmacs.upenn.edu 2024-04-30 18:23:51
128.91.12.242 mipg11.pmacs.upenn.edu 2024-04-30 18:23:51
128.91.12.243 nro-chatt-025.pmacs.upenn.edu 2024-04-30 18:23:51
128.91.12.244 sas-psy9204-ld.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.246 epstein-23.psych.upenn.edu 2024-04-30 18:23:51
128.91.12.247 brainard-23.psych.upenn.edu 2024-04-25 02:36:09
128.91.12.248 cottaris-23.psych.upenn.edu 2024-04-30 18:23:51

Top 20 countries in total ASN

Country Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 30461 1446924342 971577817377938
Brazil 9006 88044496 29408004378630
China 6734 372650104 129927890281088
Russian Federation 5802 47615250 294590729678656
India 5791 36222752 24469529137152
Australia 5010 42289524 20565939984384
Indonesia 3297 17806848 1328853745664
United Kingdom 3182 80870564 32285154344960
Germany 3099 113869864 71011008970752
Poland 2510 19283456 15946827961344
Canada 2344 55236248 3510442656768
France 2282 77266208 12875370528768
Ukraine 2116 9689600 5076029276160
Bangladesh 1760 1908272 1005579862016
Netherlands 1588 55671984 26092623431168
Italy 1299 52328656 28857019924480
Hong Kong 1271 17934452 1721396953856
Argentina 1260 19540704 18805908832256
Japan 1233 168119656 33532218114048
Spain 1225 34629632 7936553717760