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AS CIDR Description
AS104 128.138.0.0/16 COLORADO-AS - University of Colorado at Boulder, US

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AS / Info IP / Time AS Path
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Reverse DNS List (Total:248)

IP Host DateTime
128.138.225.1 rl1-gw-cinc.colorado.edu 2025-08-18 10:25:17
128.138.225.2 lark.colorado.edu 2025-08-18 10:25:17
128.138.225.3 dreamio2-ipmi.colorado.edu 2025-08-18 10:25:17
128.138.225.5 autocwwtest.colorado.edu 2025-08-18 10:25:17
128.138.225.6 verbs-old.colorado.edu 2025-08-18 10:25:17
128.138.225.7 cadswes-d-002.colorado.edu 2025-08-18 10:25:17
128.138.225.8 training1.colorado.edu 2025-08-18 10:25:17
128.138.225.9 conchas.colorado.edu 2025-08-18 10:25:17
128.138.225.10 deepward.colorado.edu 2025-08-18 10:25:17
128.138.225.11 horsetooth.colorado.edu 2025-08-18 10:25:17
128.138.225.12 wepa-cinc-152.colorado.edu 2025-08-18 10:25:17
128.138.225.13 yampa.colorado.edu 2025-08-18 10:25:17
128.138.225.14 piddle.colorado.edu 2025-08-18 10:25:17
128.138.225.15 training4.colorado.edu 2025-08-18 10:25:17
128.138.225.16 parachute.colorado.edu 2025-08-18 10:25:17
128.138.225.17 vltava.colorado.edu 2025-08-18 10:25:17
128.138.225.18 training3.colorado.edu 2025-08-18 10:25:17
128.138.225.19 flatiron.colorado.edu 2025-08-18 10:25:17
128.138.225.20 rita.colorado.edu 2025-08-18 10:25:17
128.138.225.21 paonia.colorado.edu 2025-08-18 10:25:17
128.138.225.22 cinc225-22.colorado.edu 2025-08-18 10:25:17
128.138.225.23 meulplot.colorado.edu 2025-08-18 10:25:17
128.138.225.25 blueriver.colorado.edu 2025-08-18 10:25:17
128.138.225.26 huerfano.colorado.edu 2025-08-18 10:25:17
128.138.225.27 purgatoire.colorado.edu 2025-08-18 10:25:17
128.138.225.28 cadswes-d-003.colorado.edu 2025-08-18 10:25:17
128.138.225.29 owl.colorado.edu 2025-08-18 10:25:17
128.138.225.30 dreamlake.colorado.edu 2025-08-18 10:25:17
128.138.225.31 whiteriver.colorado.edu 2025-08-18 10:25:17
128.138.225.32 cadswes-builds.colorado.edu 2025-08-18 10:25:17
128.138.225.33 cinc225-33.colorado.edu 2025-08-18 10:25:17
128.138.225.34 wonderland.colorado.edu 2025-08-18 10:25:17
128.138.225.35 dream.colorado.edu 2025-08-18 10:25:17
128.138.225.36 cinc225-36.colorado.edu 2025-08-18 10:25:17
128.138.225.37 loveland.colorado.edu 2025-08-18 10:25:17
128.138.225.38 emskvm.colorado.edu 2025-08-18 10:25:17
128.138.225.39 cinc-225-39.colorado.edu 2025-08-18 10:25:17
128.138.225.40 training15.colorado.edu 2025-08-18 10:25:17
128.138.225.41 elk.colorado.edu 2025-08-18 10:25:17
128.138.225.42 brightangel.colorado.edu 2025-08-18 10:25:17
128.138.225.43 training2.colorado.edu 2025-08-18 10:25:17
128.138.225.44 heron.colorado.edu 2025-08-18 10:25:17
128.138.225.45 koro.colorado.edu 2025-08-18 10:25:17
128.138.225.46 cinc225-46.colorado.edu 2025-08-18 10:25:17
128.138.225.47 cuchangesynology.colorado.edu 2025-08-18 10:25:17
128.138.225.48 cuchangeds2413.colorado.edu 2025-08-18 10:25:17
128.138.225.49 ics-222-kmc360i.colorado.edu 2025-08-18 10:25:17
128.138.225.50 taniwha.colorado.edu 2025-08-18 10:25:17
128.138.225.51 felix.colorado.edu 2025-08-18 10:25:17
128.138.225.52 dreamio.colorado.edu 2025-08-18 10:25:17
128.138.225.53 edieprint.colorado.edu 2025-08-18 10:25:17
128.138.225.54 borgmoea.colorado.edu 2025-08-18 10:25:17
128.138.225.55 barker.colorado.edu 2025-08-18 10:25:17
128.138.225.56 dolores.colorado.edu 2025-08-18 10:25:17
128.138.225.57 cunmr800.colorado.edu 2025-08-18 10:25:17
128.138.225.58 hades.colorado.edu 2025-08-18 10:25:17
128.138.225.59 turquoise.colorado.edu 2025-08-18 10:25:17
128.138.225.60 ouzel.colorado.edu 2025-08-18 10:25:17
128.138.225.61 acascosa.colorado.edu 2025-08-18 10:25:17
128.138.225.62 brainard.colorado.edu 2025-08-18 10:25:17
128.138.225.63 defd.colorado.edu 2025-08-18 10:25:17
128.138.225.64 cerebro.colorado.edu 2025-08-18 10:25:17
128.138.225.65 gehirn.colorado.edu 2025-08-18 10:25:17
128.138.225.66 mind.colorado.edu 2025-08-18 10:25:17
128.138.225.67 ics-222-km300i.colorado.edu 2025-08-18 10:25:17
128.138.225.68 dreamio-ipmi.colorado.edu 2025-08-18 10:25:17
128.138.225.69 coinshost.colorado.edu 2025-08-18 10:25:17
128.138.225.70 chicadee.colorado.edu 2025-08-18 10:25:17
128.138.225.71 persephone.colorado.edu 2025-08-18 10:25:17
128.138.225.72 inferno.colorado.edu 2025-08-18 10:25:17
128.138.225.73 puddle.colorado.edu 2025-08-18 10:25:17
128.138.225.74 ostrich.colorado.edu 2025-08-18 10:25:17
128.138.225.75 dreamio4.colorado.edu 2025-08-18 10:25:17
128.138.225.76 dream-ipmi.colorado.edu 2025-08-18 10:25:17
128.138.225.77 cuchangetask.colorado.edu 2025-08-18 10:25:17
128.138.225.78 ics-fiona.colorado.edu 2025-08-18 10:25:17
128.138.225.79 cervello.colorado.edu 2025-08-18 10:25:17
128.138.225.80 ics-cinc141-c4051i.colorado.edu 2025-08-18 10:25:17
128.138.225.81 mozak.colorado.edu 2025-08-18 10:25:17
128.138.225.82 cinc-152-pr1.colorado.edu 2025-08-18 10:25:17
128.138.225.83 interactive.colorado.edu 2025-08-18 10:25:17
128.138.225.84 bravo.colorado.edu 2025-08-18 10:25:17
128.138.225.85 autocww.colorado.edu 2025-08-18 10:25:17
128.138.225.86 verbs-old-rac.colorado.edu 2025-08-18 10:25:17
128.138.225.87 ammit.colorado.edu 2025-08-18 10:25:17
128.138.225.88 cinc-152-pr2.colorado.edu 2025-08-18 10:25:17
128.138.225.89 quartz.colorado.edu 2025-08-18 10:25:17
128.138.225.90 cinc-152-prs1.colorado.edu 2025-08-18 10:25:17
128.138.225.91 cinc-152-prs2.colorado.edu 2025-08-18 10:25:17
128.138.225.92 cinc225-92.colorado.edu 2025-08-18 10:25:17
128.138.225.93 crest-hp-laserjet.colorado.edu 2025-08-18 10:25:17
128.138.225.94 coinsserver.colorado.edu 2025-08-18 10:25:17
128.138.225.95 cinc225-95.colorado.edu 2025-08-18 10:25:17
128.138.225.96 fmri.colorado.edu 2025-08-18 10:25:17
128.138.225.97 cinc225-97.colorado.edu 2025-08-18 10:25:17
128.138.225.98 aviationknowledge.colorado.edu 2025-08-21 17:48:37
128.138.225.99 cslrhp.colorado.edu 2025-08-18 10:25:17
128.138.225.100 cinc225-100.colorado.edu 2025-08-18 10:25:17
128.138.225.101 myelin.colorado.edu 2025-08-18 10:25:17
128.138.225.102 cinc225-102.colorado.edu 2025-08-18 10:25:17
128.138.225.103 dreamio3-ipmi.colorado.edu 2025-08-18 10:25:17
128.138.225.104 greenriver.colorado.edu 2025-08-18 10:25:17
128.138.225.105 pilab.colorado.edu 2025-08-18 10:25:17
128.138.225.106 dreamio3.colorado.edu 2025-08-18 10:25:17
128.138.225.107 dreamio2.colorado.edu 2025-08-18 10:25:17
128.138.225.108 myelin-ipmi.colorado.edu 2025-08-18 10:25:17
128.138.225.110 menominee.colorado.edu 2025-08-18 10:25:17
128.138.225.111 cinc225-111.colorado.edu 2025-08-18 10:25:17
128.138.225.112 cortex.colorado.edu 2025-08-18 10:25:17
128.138.225.113 newyeller.colorado.edu 2025-08-18 10:25:17
128.138.225.114 snag-backup.colorado.edu 2025-08-21 17:48:37
128.138.225.115 banich-2300.colorado.edu 2025-08-18 10:25:17
128.138.225.116 autocww-rac.colorado.edu 2025-08-18 10:25:17
128.138.225.117 ia-lab.colorado.edu 2025-08-18 10:25:17
128.138.225.118 npif8797a.colorado.edu 2025-08-18 10:25:17
128.138.225.119 levi-compute.colorado.edu 2025-08-18 10:25:17
128.138.225.120 cuckoo.colorado.edu 2025-08-18 10:25:17
128.138.225.121 cervelle.colorado.edu 2025-08-18 10:25:17
128.138.225.122 scrubjay.colorado.edu 2025-08-18 10:25:17
128.138.225.123 ics-w100-hplj4240n.colorado.edu 2025-08-18 10:25:17
128.138.225.124 clear-old.colorado.edu 2025-08-18 10:25:17
128.138.225.125 ems-sccm-dp1.colorado.edu 2025-08-18 10:25:17
128.138.225.126 grackle.colorado.edu 2025-08-18 10:25:17
128.138.225.127 cinc-225-127.colorado.edu 2025-08-18 10:25:17
128.138.225.128 old-bor.colorado.edu 2025-08-18 10:25:17
128.138.225.129 cinc-225-129.colorado.edu 2025-08-18 10:25:17
128.138.225.130 goldfinch.colorado.edu 2025-08-18 10:25:17
128.138.225.131 dreamio4-ipmi.colorado.edu 2025-08-18 10:25:17
128.138.225.132 cinc-225-132.colorado.edu 2025-08-18 10:25:17
128.138.225.133 cinc225-133-synology.colorado.edu 2025-08-18 10:25:17
128.138.225.134 ics-fiona-old.colorado.edu 2025-08-18 10:25:17
128.138.225.135 cinc225-135.colorado.edu 2025-08-18 10:25:17
128.138.225.136 isat-gpu1.colorado.edu 2025-08-18 10:25:17
128.138.225.137 levi-testing.colorado.edu 2025-08-18 10:25:17
128.138.225.138 cinc225-138.colorado.edu 2025-08-18 10:25:17
128.138.225.139 ics-w100-mf227dw.colorado.edu 2025-08-18 10:25:17
128.138.225.140 cinc187.colorado.edu 2025-08-18 10:25:17
128.138.225.141 cinc225-141.colorado.edu 2025-08-18 10:25:17
128.138.225.142 cinc225-142-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.143 cinc225-143-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.144 cinc225-144-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.145 cinc225-145-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.146 cinc225-146-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.147 cinc225-147-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.149 cinc225-149-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.150 cinc225-150-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.151 cinc225-151-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.152 cinc225-152-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.153 cinc225-153-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.154 cinc225-154-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.155 cinc225-155-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.156 cinc225-156-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.157 cinc225-157-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.158 cinc225-158-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.159 cinc225-159-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.160 cinc225-160-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.161 cinc225-161-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.162 cinc225-162-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.163 cinc225-163-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.164 cinc225-164-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.165 cinc225-165-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.166 cinc225-166-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.167 cinc225-167-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.168 cinc225-168-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.169 cinc225-169-dhcp.colorado.edu 2025-08-21 17:48:37
128.138.225.170 cinc225-170-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.171 cinc225-171-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.172 cinc225-172-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.174 cinc225-174-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.175 cinc225-175-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.176 cinc225-176-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.177 cinc225-177-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.178 cinc225-178-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.179 cinc225-179-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.180 cinc225-180-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.181 cinc225-181-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.182 cinc225-182-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.183 cinc225-183-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.184 cinc225-184-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.185 cinc225-185-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.186 cinc225-186-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.187 cinc225-187-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.188 cinc225-188-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.189 cinc225-189-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.190 cinc225-190-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.191 cinc225-191-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.192 cinc225-192-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.193 cinc225-193-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.194 cinc225-194-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.195 cinc225-195-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.196 cinc225-196-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.197 cinc225-197-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.198 cinc225-198-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.199 cinc225-199-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.200 cinc225-200-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.201 cinc225-201-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.202 cinc225-202-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.203 cinc225-203-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.204 cinc225-204-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.205 cinc225-205-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.206 cinc225-206-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.207 cinc225-207-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.208 cinc225-208-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.209 cinc225-209-dhcp.colorado.edu 2025-08-21 17:48:37
128.138.225.210 cinc225-210-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.211 cinc225-211-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.212 cinc225-212-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.213 cinc225-213-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.214 cinc225-214-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.215 cinc225-215-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.216 cinc225-216-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.217 cinc225-217-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.218 cinc225-218-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.219 cinc225-219-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.220 cinc225-220-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.221 cinc225-221-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.222 cinc225-222-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.223 cinc225-223-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.224 cinc225-224-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.225 cinc225-225-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.226 cinc225-226-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.227 cinc225-227-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.228 cinc225-228-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.229 cinc225-229-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.230 cinc225-230-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.231 cinc225-231-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.232 cinc225-232-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.233 cinc225-233-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.234 cinc225-234-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.235 cinc225-235-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.236 cinc225-236-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.237 cinc225-237-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.238 cinc225-238-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.239 cinc225-239-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.240 cinc225-240-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.241 cinc225-241-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.242 cinc225-242-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.243 cinc225-243-dhcp.colorado.edu 2025-08-16 11:56:16
128.138.225.244 cinc225-244-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.245 cinc225-245-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.246 cinc225-246-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.247 cinc225-247-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.248 cinc225-248-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.249 cinc225-249-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.250 cinc225-250-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.251 cinc225-251-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.252 cinc225-252-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.225.253 cinc225-253-dhcp.colorado.edu 2025-08-18 10:25:17

Top 20 countries in total ASN

Country Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 31381 1463309133 1153867275719288914
Brazil 9037 86226398 2305871897990729730
China 6564 346799264 129893613128288
India 5969 35348480 24480594907136
Russian Federation 5748 46622776 10705793691720
Indonesia 3603 18073088 1225629728768
Germany 3109 112752904 69548054544384
United Kingdom 3108 71550336 31532536299520
Australia 3015 40588592 20514282543104
Poland 2465 19272192 15298114229248
Canada 2443 54437736 4438988948736
France 2201 75328768 12154271827456
Ukraine 2009 8261632 5013717516288
Bangladesh 1870 1933568 908494569472
Netherlands 1595 51310544 26556465939968
Argentina 1300 19708416 18815344377856
Italy 1298 52409856 28591018606592
Hong Kong 1280 18154148 8554605118208
Japan 1269 159027048 33573211799552
Spain 1233 34628352 7522246791168