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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:224)

IP Host DateTime
128.91.40.1 drl-pennnet-gw.router.upenn.edu 2024-04-30 18:24:32
128.91.40.2 zni-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.3 aammarah-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.4 tanna-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.5 clytemnestra.math.upenn.edu 2024-04-30 18:24:32
128.91.40.6 glg-temp-90487.math.upenn.edu 2024-04-30 18:24:32
128.91.40.7 kadison-pc.math.upenn.edu 2024-04-30 18:24:32
128.91.40.8 3w8.math.upenn.edu 2024-04-30 18:24:32
128.91.40.9 4n16b.math.upenn.edu 2024-04-30 18:24:32
128.91.40.10 fermat.math.upenn.edu 2024-04-30 18:24:32
128.91.40.11 math-1n1e.math.upenn.edu 2024-04-30 18:24:32
128.91.40.12 math-1n1c.math.upenn.edu 2024-04-30 18:24:32
128.91.40.13 1n1.math.upenn.edu 2024-04-30 18:24:32
128.91.40.14 zytec.math.upenn.edu 2024-04-30 18:24:32
128.91.40.15 math-cgs.math.upenn.edu 2024-04-30 18:24:32
128.91.40.16 dan.math.upenn.edu 2024-04-30 18:24:32
128.91.40.17 128.91.40.17.math.upenn.edu 2024-04-30 18:24:32
128.91.40.18 office-ricoh.math.upenn.edu 2024-04-30 18:24:32
128.91.40.19 airey-23.math.upenn.edu 2024-04-30 18:24:32
128.91.40.20 pomona.math.upenn.edu 2024-04-30 18:24:32
128.91.40.21 mminnick-21-01.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.22 akwon-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.23 casa.math.upenn.edu 2024-04-30 18:24:32
128.91.40.24 jtrumbo01.sas.upenn.edu 2024-04-30 18:24:32
128.91.40.25 dharbater01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.26 4c3pc.math.upenn.edu 2024-04-30 18:24:32
128.91.40.27 math-4n11pc.math.upenn.edu 2024-04-30 18:24:32
128.91.40.28 4n63.math.upenn.edu 2024-04-30 18:24:32
128.91.40.29 3w3.math.upenn.edu 2024-04-30 18:24:32
128.91.40.30 chi.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.31 3n5-nat.math.upenn.edu 2024-04-30 18:24:32
128.91.40.32 ecrotty01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.33 smnaugle-inc86524.math.upenn.edu 2024-04-30 18:24:32
128.91.40.34 hartmann-22a.math.upenn.edu 2024-04-30 18:24:32
128.91.40.35 1n1-c09.math.upenn.edu 2024-04-30 18:24:32
128.91.40.36 yumengou-21-2.math.upenn.edu 2024-04-30 18:24:32
128.91.40.37 panova14.math.upenn.edu 2024-04-30 18:24:32
128.91.40.38 4n38-printer.math.upenn.edu 2024-04-30 18:24:32
128.91.40.39 3n2c.math.upenn.edu 2024-04-30 18:24:32
128.91.40.40 3n10pc.math.upenn.edu 2024-04-30 18:24:32
128.91.40.41 tanna18.sas.upenn.edu 2024-04-30 18:24:32
128.91.40.42 4n38.math.upenn.edu 2024-04-30 18:24:32
128.91.40.43 ghrist-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.44 drndic-21-02.math.upenn.edu 2024-04-30 18:24:32
128.91.40.45 4e1b.math.upenn.edu 2024-04-30 18:24:32
128.91.40.46 zuzannaj.math.upenn.edu 2024-04-30 18:24:32
128.91.40.47 4e7a.math.upenn.edu 2024-04-30 18:24:32
128.91.40.48 rimmer18.math.upenn.edu 2024-04-30 18:24:32
128.91.40.49 hans-hold.math.upenn.edu 2024-04-30 18:24:32
128.91.40.50 dmaxim01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.51 4e15-printer.math.upenn.edu 2024-04-30 18:24:32
128.91.40.52 1n1-c11.math.upenn.edu 2024-04-30 18:24:32
128.91.40.53 4n35.math.upenn.edu 2024-04-30 18:24:32
128.91.40.54 readingroomw7.math.upenn.edu 2024-04-30 18:24:32
128.91.40.55 4n15.math.upenn.edu 2024-04-30 18:24:32
128.91.40.56 4e11.math.upenn.edu 2024-04-30 18:24:32
128.91.40.57 chrla.math.upenn.edu 2024-04-30 18:24:32
128.91.40.58 4c11.math.upenn.edu 2024-04-30 18:24:32
128.91.40.59 4n31.math.upenn.edu 2024-04-30 18:24:32
128.91.40.60 3n8a.math.upenn.edu 2024-04-30 18:24:32
128.91.40.61 agibney-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.62 wulab9.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.63 3c13.math.upenn.edu 2024-04-30 18:24:32
128.91.40.64 3n8c.math.upenn.edu 2024-04-30 18:24:32
128.91.40.65 sas-clcamp24-wd.sas.upenn.edu 2024-04-25 02:36:59
128.91.40.66 3n2a.math.upenn.edu 2024-04-30 18:24:32
128.91.40.67 mpimsner15.math.upenn.edu 2024-04-30 18:24:32
128.91.40.68 4w6-printer.math.upenn.edu 2024-04-30 18:24:32
128.91.40.69 4w5c.math.upenn.edu 2024-04-30 18:24:32
128.91.40.70 3e10hp.math.upenn.edu 2024-04-30 18:24:32
128.91.40.71 4w5-printer.math.upenn.edu 2024-04-30 18:24:32
128.91.40.72 pallant-23.math.upenn.edu 2024-04-30 18:24:32
128.91.40.73 rtoney14.math.upenn.edu 2024-04-30 18:24:32
128.91.40.74 staff-4w1pc.math.upenn.edu 2024-04-30 18:24:32
128.91.40.75 croke.math.upenn.edu 2024-04-30 18:24:32
128.91.40.76 kadison.math.upenn.edu 2024-04-30 18:24:32
128.91.40.77 pop.math.upenn.edu 2024-04-30 18:24:32
128.91.40.78 tiresias.math.upenn.edu 2024-04-30 18:24:32
128.91.40.79 htowsner17.math.upenn.edu 2024-04-30 18:24:32
128.91.40.80 4e3pc.math.upenn.edu 2024-04-30 18:24:32
128.91.40.81 ted.math.upenn.edu 2024-04-30 18:24:32
128.91.40.82 mgersten02.math.upenn.edu 2024-04-30 18:24:32
128.91.40.83 drl-mathlibrary.math.upenn.edu 2024-04-30 18:24:32
128.91.40.84 shatz-07.math.upenn.edu 2024-04-30 18:24:32
128.91.40.85 dmaxim16.math.upenn.edu 2024-04-30 18:24:32
128.91.40.86 pemantleptr.math.upenn.edu 2024-04-30 18:24:32
128.91.40.87 4e15.math.upenn.edu 2024-04-30 18:24:32
128.91.40.88 kirillov14.math.upenn.edu 2024-04-30 18:24:32
128.91.40.89 4n47.math.upenn.edu 2024-04-30 18:24:32
128.91.40.90 flatgeorge.math.upenn.edu 2024-04-30 18:24:32
128.91.40.91 4w1-printer.math.upenn.edu 2024-04-30 18:24:32
128.91.40.92 shaneson01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.93 strain-3e5.math.upenn.edu 2024-04-30 18:24:32
128.91.40.94 3n2b.math.upenn.edu 2024-04-30 18:24:32
128.91.40.95 yerby01.sas.upenn.edu 2024-04-30 18:24:32
128.91.40.96 chinburg.math.upenn.edu 2024-04-25 02:36:59
128.91.40.97 polya.math.upenn.edu 2024-04-30 18:24:32
128.91.40.98 moduli.math.upenn.edu 2024-04-25 02:36:59
128.91.40.99 4w1.math.upenn.edu 2024-04-30 18:24:32
128.91.40.100 riemann.math.upenn.edu 2024-04-30 18:24:32
128.91.40.101 mele-21-01.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.102 blockj.math.upenn.edu 2024-04-30 18:24:32
128.91.40.103 harbater-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.104 4e2a.math.upenn.edu 2024-04-30 18:24:32
128.91.40.105 3e2-printer.math.upenn.edu 2024-04-30 18:24:32
128.91.40.106 smurf-srv-so6.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.107 3c17.math.upenn.edu 2024-04-30 18:24:32
128.91.40.108 3c3.math.upenn.edu 2024-04-30 18:24:32
128.91.40.109 4n29.math.upenn.edu 2024-04-30 18:24:32
128.91.40.110 drlpt19.math.upenn.edu 2024-04-30 18:24:32
128.91.40.111 murmuno-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.112 4c1.math.upenn.edu 2024-04-30 18:24:32
128.91.40.113 lipeles-20.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.114 ssandler-21-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.115 4e14.math.upenn.edu 2024-04-30 18:24:32
128.91.40.116 pemantle15.math.upenn.edu 2024-04-30 18:24:32
128.91.40.117 4n33.math.upenn.edu 2024-04-30 18:24:32
128.91.40.118 3e6a.math.upenn.edu 2024-04-30 18:24:32
128.91.40.119 grassi01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.120 4c5.math.upenn.edu 2024-04-30 18:24:32
128.91.40.121 combinatorics.math.upenn.edu 2024-04-30 18:24:32
128.91.40.122 placeholder.math.upenn.edu 2024-04-30 18:24:32
128.91.40.123 4w3.math.upenn.edu 2024-04-30 18:24:32
128.91.40.124 3c15.math.upenn.edu 2024-04-30 18:24:32
128.91.40.125 ok-computer.math.upenn.edu 2024-04-30 18:24:32
128.91.40.126 4e5.math.upenn.edu 2024-04-30 18:24:32
128.91.40.127 linux-image.math.upenn.edu 2024-04-30 18:24:32
128.91.40.128 4e3.math.upenn.edu 2024-04-30 18:24:32
128.91.40.129 tpantev.math.upenn.edu 2024-04-30 18:24:32
128.91.40.130 4n71pc.math.upenn.edu 2024-04-30 18:24:32
128.91.40.131 linux-loaner01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.132 readingroom.math.upenn.edu 2024-04-30 18:24:32
128.91.40.133 pop02.math.upenn.edu 2024-04-30 18:24:32
128.91.40.134 jhaglund15.math.upenn.edu 2024-04-30 18:24:32
128.91.40.135 3c17pc.math.upenn.edu 2024-04-30 18:24:32
128.91.40.136 dhcp-node-07.math.upenn.edu 2024-04-25 02:36:59
128.91.40.137 3n2d.math.upenn.edu 2024-04-30 18:24:32
128.91.40.138 drndic-21-01.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.139 3n5-usbc-ethernet-adapter.math.upenn.edu 2024-04-30 18:24:32
128.91.40.140 drndic-21-03.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.141 sas-drndicl6-wd.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.142 3c5.math.upenn.edu 2024-04-30 18:24:32
128.91.40.143 wulab3.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.144 3n10.math.upenn.edu 2024-04-30 18:24:32
128.91.40.145 license.math.upenn.edu 2024-04-30 18:24:32
128.91.40.146 4n26a.math.upenn.edu 2024-04-30 18:24:32
128.91.40.147 harbater16.math.upenn.edu 2024-04-30 18:24:32
128.91.40.148 yss15.math.upenn.edu 2024-04-30 18:24:32
128.91.40.149 cr-966.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.150 jove.math.upenn.edu 2024-04-30 18:24:32
128.91.40.151 zuzannaj-adapter.math.upenn.edu 2024-04-30 18:24:32
128.91.40.152 gjporter01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.153 1n1-a.math.upenn.edu 2024-04-30 18:24:32
128.91.40.154 vithayat-22-01.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.155 pop01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.156 strain02.math.upenn.edu 2024-04-30 18:24:32
128.91.40.157 math-1n1b.math.upenn.edu 2024-04-30 18:24:32
128.91.40.158 3e4printer.math.upenn.edu 2024-04-30 18:24:32
128.91.40.159 1n1-c01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.160 real.math.upenn.edu 2024-04-30 18:24:32
128.91.40.161 2e6-1.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.162 casa2.math.upenn.edu 2024-04-25 02:36:59
128.91.40.163 ricoh.math.upenn.edu 2024-04-30 18:24:32
128.91.40.164 advlab-22-02.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.165 scedrov18.math.upenn.edu 2024-04-30 18:24:32
128.91.40.166 advlab-22-01.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.167 tansec.publicsafety.upenn.edu 2024-04-30 18:24:32
128.91.40.168 drlsec.publicsafety.upenn.edu 2024-04-30 18:24:32
128.91.40.169 amaths-22-01.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.170 frankelb-22-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.171 pand-laple-03.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.172 3c3.math.upenn.edu 2024-04-30 18:24:32
128.91.40.173 jrk-adapter.math.upenn.edu 2024-04-30 18:24:32
128.91.40.174 bozhen-7920.physics.upenn.edu 2024-04-25 02:36:59
128.91.40.175 ercagp-22-01.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.176 jrk-22-adaptor.math.upenn.edu 2024-04-30 18:24:32
128.91.40.177 mmerling19.math.upenn.edu 2024-04-30 18:24:32
128.91.40.178 kazdan-home-22-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.179 jierans-temp-107170.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.180 squidgy.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.181 cerberus.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.182 rigel.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.183 hatsya.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.184 bellatrix.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.185 dude.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.186 lambda.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.187 roach1.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.188 blastroach1.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.189 iras.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.190 lockman.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.191 toe.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.192 mce-act-a2.astro.upenn.edu 2024-04-25 02:36:59
128.91.40.193 spitzer.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.194 pappa.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.195 sofia.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.196 herschel.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.197 unagi.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.198 omicron.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.199 torture.astro.upenn.edu 2024-04-30 18:24:32
128.91.40.200 shaffiques-mac-studio.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.201 chair.math.upenn.edu 2024-04-30 18:24:32
128.91.40.225 lib-mplgala-wl.library.upenn.edu 2024-04-30 18:24:32
128.91.40.226 lib-mpcirc01-wd.library.upenn.edu 2024-04-30 18:24:32
128.91.40.227 sas-drndicl5-wd.physics.upenn.edu 2024-04-30 18:24:32
128.91.40.228 lib-mpkscha-wd.library.upenn.edu 2024-04-30 18:24:32
128.91.40.229 lib-mpa03-wd.library.upenn.edu 2024-04-30 18:24:32
128.91.40.230 lib-mpa04-wd.library.upenn.edu 2024-04-30 18:24:32
128.91.40.231 mpaptr01.library.upenn.edu 2024-04-25 02:36:59
128.91.40.232 mparel01.public.library.upenn.edu 2024-04-30 18:24:32
128.91.40.233 lib-mpa02-wd.library.upenn.edu 2024-04-30 18:24:32
128.91.40.234 lib-mpa01-wd.library.upenn.edu 2024-04-30 18:24:32
128.91.40.235 mpaptr02.public.library.upenn.edu 2024-04-30 18:24:32
128.91.40.236 niras-23.physics.upenn.edu 2024-04-25 02:36:59
128.91.40.237 sas-mpwien23-wd.math.upenn.edu 2024-04-30 18:24:32
128.91.40.238 mpaptr03.library.upenn.edu 2024-04-30 18:24:32
128.91.40.239 mpakl01.library.upenn.edu 2024-04-30 18:24:32
128.91.40.240 mpalkp01.public.library.upenn.edu 2024-04-30 18:24:32
128.91.40.241 lib-mpa05-wd.library.upenn.edu 2024-04-30 18:24:32
128.91.40.242 lib-mpalkp01-wd.library.upenn.edu 2024-04-30 18:24:32
128.91.40.243 mpasptr01.library.upenn.edu 2024-04-30 18:24:32
128.91.40.244 michlast22-01.math.upenn.edu 2024-04-30 18:24:32
128.91.40.245 3e12ricoh.math.upenn.edu 2024-04-30 18:24:32
128.91.40.254 drl-3n1-imc2500-pub.library.upenn.edu 2024-04-30 18:24:32
128.91.40.255 irfan1-21-01.math.upenn.edu 2024-04-30 18:24:32

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