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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:229)

IP Host DateTime
128.91.142.1 hup-virtual-gw.dccs.upenn.edu 2024-04-30 18:26:23
128.91.142.2 hup-fdp-vagelos-gw.dccs.upenn.edu 2024-04-25 02:39:13
128.91.142.3 hup-fdp-modv-gw.dccs.upenn.edu 2024-04-30 18:26:23
128.91.142.4 hup-trc-gw.dccs.upenn.edu 2024-04-30 18:26:23
128.91.142.11 ciscofw.xrt.upenn.edu 2024-04-30 18:26:23
128.91.142.12 vpn.xrt.upenn.edu 2024-04-30 18:26:23
128.91.142.15 wramc.xrt.upenn.edu 2024-04-30 18:26:23
128.91.142.16 neuro-3-gat-adm.med.upenn.edu 2024-04-30 18:26:23
128.91.142.17 neuro1.neuromain.med.upenn.edu 2024-04-25 02:39:13
128.91.142.18 neuro2.neuromain.med.upenn.edu 2024-04-30 18:26:23
128.91.142.19 neuro3.neuromain.med.upenn.edu 2024-04-30 18:26:23
128.91.142.20 adm1.med.upenn.edu 2024-04-30 18:26:23
128.91.142.21 neurology.med.upenn.edu 2024-04-30 18:26:23
128.91.142.22 ictus.med.upenn.edu 2024-04-30 18:26:23
128.91.142.23 wernicke.med.upenn.edu 2024-04-30 18:26:23
128.91.142.24 neuro67.med.upenn.edu 2024-04-30 18:26:23
128.91.142.25 neuro68.med.upenn.edu 2024-04-30 18:26:23
128.91.142.26 spo-amxnl-040.med.upenn.edu 2024-04-30 18:26:23
128.91.142.27 spo-amxnl-041.med.upenn.edu 2024-04-30 18:26:23
128.91.142.28 spo-amxnl-042.med.upenn.edu 2024-04-30 18:26:23
128.91.142.29 mal8-conf-mtp-msr-01.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.30 spo-amxnl-045.med.upenn.edu 2024-04-30 18:26:23
128.91.142.31 neuro66.med.upenn.edu 2024-04-30 18:26:23
128.91.142.32 spo-amxnl-046.med.upenn.edu 2024-04-30 18:26:23
128.91.142.33 phr-admin-031.med.upenn.edu 2024-04-30 18:26:23
128.91.142.34 phr-fitzg-055.med.upenn.edu 2024-04-30 18:26:23
128.91.142.35 phr-class-002.med.upenn.edu 2024-04-30 18:26:23
128.91.142.36 ids-imat-001.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.37 rad-pryma-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.38 phr-fitzg-047.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.39 bblcal.med.upenn.edu 2024-04-30 18:26:23
128.91.142.40 p425501.med.upenn.edu 2024-04-30 18:26:23
128.91.142.41 car-reill-13.med.upenn.edu 2024-04-30 18:26:23
128.91.142.42 phr-dunba-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.43 p448201.med.upenn.edu 2024-04-30 18:26:23
128.91.142.44 phr-fitzg-036.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.45 phr-fitzg-042.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.46 dea-admin-08.med.upenn.edu 2024-04-30 18:26:23
128.91.142.47 car-reill-02.med.upenn.edu 2024-04-30 18:26:23
128.91.142.48 car-reill-05.med.upenn.edu 2024-04-30 18:26:23
128.91.142.49 car-reill-08.med.upenn.edu 2024-04-30 18:26:23
128.91.142.50 car-reill-10.med.upenn.edu 2024-04-30 18:26:23
128.91.142.51 path1.med.upenn.edu 2024-04-30 18:26:23
128.91.142.52 cet-rader-36.med.upenn.edu 2024-04-25 02:39:13
128.91.142.53 cet-rader-037.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.54 cet-rader-38.med.upenn.edu 2024-04-30 18:26:23
128.91.142.55 phr-fitzg-038.med.upenn.edu 2024-04-30 18:26:23
128.91.142.56 cet-rader-41.med.upenn.edu 2024-04-30 18:26:23
128.91.142.57 drm-admin-017.med.upenn.edu 2024-04-30 18:26:23
128.91.142.58 cet-rader-42.med.upenn.edu 2024-04-30 18:26:23
128.91.142.59 car-admin-016.med.upenn.edu 2024-04-30 18:26:23
128.91.142.60 phr-fitzg-048.med.upenn.edu 2024-04-30 18:26:23
128.91.142.61 bbl.med.upenn.edu 2024-04-30 18:26:23
128.91.142.62 psycha1.med.upenn.edu 2024-04-30 18:26:23
128.91.142.63 ren-towne-099.med.upenn.edu 2024-04-30 18:26:23
128.91.142.64 stanley.med.upenn.edu 2024-04-30 18:26:23
128.91.142.65 pil.med.upenn.edu 2024-04-30 18:26:23
128.91.142.66 car-reill-049.med.upenn.edu 2024-04-30 18:26:23
128.91.142.67 spo-avses-13.med.upenn.edu 2024-04-30 18:26:23
128.91.142.68 spo-avses-14.med.upenn.edu 2024-04-30 18:26:23
128.91.142.69 phr-gcrcp-01.med.upenn.edu 2024-04-30 18:26:23
128.91.142.70 car-reill-035.med.upenn.edu 2024-04-30 18:26:23
128.91.142.71 bleuler.med.upenn.edu 2024-04-30 18:26:23
128.91.142.72 meduna.med.upenn.edu 2024-04-30 18:26:23
128.91.142.73 fisher.med.upenn.edu 2024-04-30 18:26:23
128.91.142.74 car-reill-017.med.upenn.edu 2024-04-30 18:26:23
128.91.142.75 faryabi-server2.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.76 car-reill-019.med.upenn.edu 2024-04-30 18:26:23
128.91.142.77 drm-bernardis-001.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.78 car-reill-021.med.upenn.edu 2024-04-30 18:26:23
128.91.142.79 car-reill-022.med.upenn.edu 2024-04-30 18:26:23
128.91.142.80 car-reill-023.med.upenn.edu 2024-04-30 18:26:23
128.91.142.81 car-reill-024.med.upenn.edu 2024-04-30 18:26:23
128.91.142.82 car-reill-025.med.upenn.edu 2024-04-30 18:26:23
128.91.142.83 phr-print-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.84 car-reill-027.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.85 cet-rader-58.med.upenn.edu 2024-04-30 18:26:23
128.91.142.86 phr-admin-033.med.upenn.edu 2024-04-30 18:26:23
128.91.142.87 phr-cuche-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.88 phr-admin-99.med.upenn.edu 2024-04-30 18:26:23
128.91.142.89 phr-dunba-007.med.upenn.edu 2024-04-30 18:26:23
128.91.142.90 phr-meagh-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.91 phr-admin-13.med.upenn.edu 2024-04-30 18:26:23
128.91.142.92 phr-admin-14.med.upenn.edu 2024-04-30 18:26:23
128.91.142.93 spo-pcam-002.med.upenn.edu 2024-04-30 18:26:23
128.91.142.94 phr-admin-16.med.upenn.edu 2024-04-30 18:26:23
128.91.142.95 phr-class-011.med.upenn.edu 2024-04-30 18:26:23
128.91.142.96 phr-admin-024.med.upenn.edu 2024-04-30 18:26:23
128.91.142.97 phr-admin-035.med.upenn.edu 2024-04-30 18:26:23
128.91.142.98 maloney-8-ricoh.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.99 phr-admin-21.med.upenn.edu 2024-04-30 18:26:23
128.91.142.100 phr-admin-011.med.upenn.edu 2024-04-30 18:26:23
128.91.142.101 phr-dunba-007.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.102 dea-admin-10.med.upenn.edu 2024-04-30 18:26:23
128.91.142.103 car-reill-009.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.104 car-reill-045.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.105 neuro74.med.upenn.edu 2024-04-30 18:26:23
128.91.142.106 neuro75.med.upenn.edu 2024-04-30 18:26:23
128.91.142.107 neuro76.med.upenn.edu 2024-04-30 18:26:23
128.91.142.108 mandarin.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.109 knight.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.110 cavalier-hp.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.111 pride.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.112 fever.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.113 phr-fitzg-102.med.upenn.edu 2024-04-25 02:39:13
128.91.142.114 dulles-74.gcrc.upenn.edu 2024-04-25 02:39:13
128.91.142.115 mystikal.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.116 dulles-1-101a.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.117 neuro81.med.upenn.edu 2024-04-30 18:26:23
128.91.142.118 mankoff.med.upenn.edu 2024-04-25 02:39:13
128.91.142.119 donner1.med.upenn.edu 2024-04-30 18:26:23
128.91.142.120 star-hp.gcrc.upenn.edu 2024-04-25 02:39:13
128.91.142.121 gts-9055-banas.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.122 gts-9055-scd.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.123 gts-9053-emma.gcrc.upenn.edu 2024-04-25 02:39:13
128.91.142.124 gts-9032-martig.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.125 gts-9055-tournier.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.126 spo-avdul-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.127 uphs-camchw-01.med.upenn.edu 2024-04-30 18:26:23
128.91.142.128 dul-itmat-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.129 axis.med.upenn.edu 2024-04-30 18:26:23
128.91.142.130 mandarin-hp.gcrc.upenn.edu 2024-04-30 18:26:23
128.91.142.132 phr-dunba-003.med.upenn.edu 2024-04-30 18:26:23
128.91.142.133 neuro83.med.upenn.edu 2024-04-30 18:26:23
128.91.142.134 neuro84.med.upenn.edu 2024-04-30 18:26:23
128.91.142.135 rad-benoi-01.med.upenn.edu 2024-04-30 18:26:23
128.91.142.136 rad-benoi-02.med.upenn.edu 2024-04-30 18:26:23
128.91.142.137 homunculus.med.upenn.edu 2024-04-30 18:26:23
128.91.142.138 hup-grego-02.med.upenn.edu 2024-04-30 18:26:23
128.91.142.139 phr-dulles-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.140 drm-admin-009.med.upenn.edu 2024-04-30 18:26:23
128.91.142.141 path005.med.upenn.edu 2024-04-30 18:26:23
128.91.142.142 path006.med.upenn.edu 2024-04-30 18:26:23
128.91.142.143 path007.med.upenn.edu 2024-04-30 18:26:23
128.91.142.144 path008.med.upenn.edu 2024-04-30 18:26:23
128.91.142.145 nrl-hurti.med.upenn.edu 2024-04-30 18:26:23
128.91.142.146 phr-itmat-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.147 phr-itmat-002.med.upenn.edu 2024-04-30 18:26:23
128.91.142.148 phr-itmat-003.med.upenn.edu 2024-04-30 18:26:23
128.91.142.149 car-reill-12.med.upenn.edu 2024-04-30 18:26:23
128.91.142.150 phr-dunba-005.med.upenn.edu 2024-04-30 18:26:23
128.91.142.151 hem-admin-020.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.152 hum-admin-008.med.upenn.edu 2024-04-30 18:26:23
128.91.142.153 car-reill-043.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.154 acc.med.upenn.edu 2024-04-30 18:26:23
128.91.142.155 pul-admin-010.med.upenn.edu 2024-04-30 18:26:23
128.91.142.156 spo-avses-024.med.upenn.edu 2024-04-30 18:26:23
128.91.142.157 phr-gcrc1-002.med.upenn.edu 2024-04-30 18:26:23
128.91.142.158 kandel.med.upenn.edu 2024-04-30 18:26:23
128.91.142.159 phr-gcrc1-004.med.upenn.edu 2024-04-30 18:26:23
128.91.142.160 car-reill-020.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.161 phr-gcrc1-006.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.162 hum-admin-111.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.163 phr-ctrc1-008.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.164 spo-pcam-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.165 phr-gcrc1-009.med.upenn.edu 2024-04-30 18:26:23
128.91.142.166 phr-gcrc1-010.med.upenn.edu 2024-04-30 18:26:23
128.91.142.167 dermnas7.med.upenn.edu 2024-04-30 18:26:23
128.91.142.168 phr-gcrc1-012.med.upenn.edu 2024-04-30 18:26:23
128.91.142.169 bcucch.med.upenn.edu 2024-04-30 18:26:23
128.91.142.170 chatterlab001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.171 chatterlab002.med.upenn.edu 2024-04-30 18:26:23
128.91.142.172 obgyn01.med.upenn.edu 2024-04-30 18:26:23
128.91.142.173 nro-admin-015.med.upenn.edu 2024-04-30 18:26:23
128.91.142.174 phr-itmat-present.med.upenn.edu 2024-04-30 18:26:23
128.91.142.175 attaina-pb4mvf6.med.upenn.edu 2024-04-30 18:26:23
128.91.142.176 pul-admin-005.med.upenn.edu 2024-04-30 18:26:23
128.91.142.177 pul-admin-006.med.upenn.edu 2024-04-30 18:26:23
128.91.142.178 hum-admin-068.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.179 rad.med.upenn.edu 2024-04-30 18:26:23
128.91.142.180 spo-avses-030.med.upenn.edu 2024-04-30 18:26:23
128.91.142.181 spo-avses-031.med.upenn.edu 2024-04-30 18:26:23
128.91.142.182 spo-avses-032.med.upenn.edu 2024-04-30 18:26:23
128.91.142.183 phr-meagh-020.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.184 neuropsych.med.upenn.edu 2024-04-30 18:26:23
128.91.142.185 hum-admin-065.med.upenn.edu 2024-04-30 18:26:23
128.91.142.186 phr-ctrc1-007.med.upenn.edu 2024-04-30 18:26:23
128.91.142.187 drm-admin-100.med.upenn.edu 2024-04-30 18:26:23
128.91.142.188 drm-admin-101.med.upenn.edu 2024-04-30 18:26:23
128.91.142.189 pcam-lims-printer.med.upenn.edu 2024-04-30 18:26:23
128.91.142.190 neurovc.med.upenn.edu 2024-04-30 18:26:23
128.91.142.191 phr-admin-116.med.upenn.edu 2024-04-30 18:26:23
128.91.142.192 hum-admin-050.med.upenn.edu 2024-04-30 18:26:23
128.91.142.193 pul-panet-051.med.upenn.edu 2024-04-30 18:26:23
128.91.142.194 shlanskr.med.upenn.edu 2024-04-30 18:26:23
128.91.142.195 tclfreezer01.med.upenn.edu 2024-04-30 18:26:23
128.91.142.196 tclfreezer02.med.upenn.edu 2024-04-30 18:26:23
128.91.142.197 phr-meagh-002.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.198 hum-admin-034.med.upenn.edu 2024-04-30 18:26:23
128.91.142.199 hum-admin-100.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.200 dermbackup3.med.upenn.edu 2024-04-30 18:26:23
128.91.142.201 spo-dul1-1116a.med.upenn.edu 2024-04-30 18:26:23
128.91.142.202 hirst-aud-mtp-msr-01.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.203 spo-dul1-1117b.med.upenn.edu 2024-04-30 18:26:23
128.91.142.204 nro-admin-012.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.205 hum-admin-020.med.upenn.edu 2024-04-30 18:26:23
128.91.142.206 hum-admin-077.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.207 ueppc001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.208 ueppc002.med.upenn.edu 2024-04-30 18:26:23
128.91.142.209 ueppc003.med.upenn.edu 2024-04-30 18:26:23
128.91.142.210 hum-admin-101.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.211 ueppc005.med.upenn.edu 2024-04-30 18:26:23
128.91.142.212 ueppc006.med.upenn.edu 2024-04-30 18:26:23
128.91.142.213 ueppc007.med.upenn.edu 2024-04-30 18:26:23
128.91.142.214 ueppc008.med.upenn.edu 2024-04-30 18:26:23
128.91.142.215 ueppc009.med.upenn.edu 2024-04-30 18:26:23
128.91.142.216 hum-admin-053.med.upenn.edu 2024-04-30 18:26:23
128.91.142.217 hum-admin-108.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.218 ren-towns-002.med.upenn.edu 2024-04-30 18:26:23
128.91.142.219 ren-towns-003.med.upenn.edu 2024-04-30 18:26:23
128.91.142.220 ren-towns-004.med.upenn.edu 2024-04-30 18:26:23
128.91.142.221 acc-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.222 acc-cvi.med.upenn.edu 2024-04-30 18:26:23
128.91.142.223 cchosp.med.upenn.edu 2024-04-30 18:26:23
128.91.142.224 phr-fitzg-052.med.upenn.edu 2024-04-30 18:26:23
128.91.142.225 hum-admin-026.med.upenn.edu 2024-04-30 18:26:23
128.91.142.226 abi-cjestlaptop.med.upenn.edu 2024-04-30 18:26:23
128.91.142.227 hum-admin-058.med.upenn.edu 2024-04-30 18:26:23
128.91.142.228 faryabi-server.med.upenn.edu 2024-04-30 18:26:23
128.91.142.229 v2-net-08237.med.upenn.edu 2024-04-30 18:26:23
128.91.142.230 phr-dunba-010.med.upenn.edu 2024-04-30 18:26:23
128.91.142.231 hum-admin-021.med.upenn.edu 2024-04-30 18:26:23
128.91.142.232 hum-admin-118.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.234 hum-admin-02.med.upenn.edu 2024-04-25 02:39:13
128.91.142.235 hum-prntr-01.med.upenn.edu 2024-04-25 02:39:13
128.91.142.236 hum-admin-011.med.upenn.edu 2024-04-30 18:26:23
128.91.142.237 hum-admin-080.pmacs.upenn.edu 2024-04-30 18:26:23
128.91.142.238 itmat-monitor-001.med.upenn.edu 2024-04-30 18:26:23
128.91.142.239 phr-dunba-002.pmacs.upenn.edu 2024-04-30 18:26:23

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