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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:245)

IP Host DateTime
128.138.223.1 muen-gw-clipr.colorado.edu 2025-08-18 10:25:17
128.138.223.2 psych.colorado.edu 2025-08-18 10:25:17
128.138.223.3 psych-srv1.colorado.edu 2025-08-18 10:25:17
128.138.223.4 psych-srv2.colorado.edu 2025-08-18 10:25:17
128.138.223.5 psych-srv3.colorado.edu 2025-08-18 10:25:17
128.138.223.6 psych-osx.colorado.edu 2025-08-18 10:25:17
128.138.223.7 cliprvms.colorado.edu 2025-08-18 10:25:17
128.138.223.8 psych-bck.colorado.edu 2025-08-18 10:25:17
128.138.223.9 psych-db.colorado.edu 2025-08-18 10:25:17
128.138.223.10 clipr-hpcolor.colorado.edu 2025-08-18 10:25:17
128.138.223.11 muen223-11.colorado.edu 2025-08-18 10:25:17
128.138.223.12 cu-clipr-hp-223-12.colorado.edu 2025-08-18 10:25:17
128.138.223.13 grey-ipmi.colorado.edu 2025-08-18 10:25:17
128.138.223.14 e329-ne.colorado.edu 2025-08-18 10:25:17
128.138.223.15 e329-e.colorado.edu 2025-08-18 10:25:17
128.138.223.16 muen223-16.colorado.edu 2025-08-18 10:25:17
128.138.223.17 e329-n.colorado.edu 2025-08-18 10:25:17
128.138.223.18 e329-c.colorado.edu 2025-08-18 10:25:17
128.138.223.19 e329-w.colorado.edu 2025-08-18 10:25:17
128.138.223.20 e329-sw.colorado.edu 2025-08-18 10:25:17
128.138.223.21 mist.colorado.edu 2025-08-18 10:25:17
128.138.223.23 canweb.colorado.edu 2025-08-18 10:25:17
128.138.223.24 sampson.colorado.edu 2025-08-18 10:25:17
128.138.223.25 clipr-hp25.colorado.edu 2025-08-18 10:25:17
128.138.223.26 muen223-26.colorado.edu 2025-08-18 10:25:17
128.138.223.27 muen223-27.colorado.edu 2025-08-18 10:25:17
128.138.223.28 eternity.colorado.edu 2025-08-18 10:25:17
128.138.223.29 clipr-color.colorado.edu 2025-08-18 10:25:17
128.138.223.30 psych-jatos.colorado.edu 2025-08-18 10:25:17
128.138.223.31 clipr-9000.colorado.edu 2025-08-18 10:25:17
128.138.223.32 cliprposter.colorado.edu 2025-08-18 10:25:17
128.138.223.33 psych-hp.colorado.edu 2025-08-18 10:25:17
128.138.223.34 clipr-admin.colorado.edu 2025-08-18 10:25:17
128.138.223.35 psy-xerox.colorado.edu 2025-08-18 10:25:17
128.138.223.36 clipr-laser2.colorado.edu 2025-08-18 10:25:17
128.138.223.37 muen223-37.colorado.edu 2025-08-18 10:25:17
128.138.223.38 muen223-38.colorado.edu 2025-08-18 10:25:17
128.138.223.39 muen223-39.colorado.edu 2025-08-18 10:25:17
128.138.223.40 muen223-40.colorado.edu 2025-08-18 10:25:17
128.138.223.41 muen223-41.colorado.edu 2025-08-18 10:25:17
128.138.223.42 muen223-42.colorado.edu 2025-08-18 10:25:17
128.138.223.43 muen223-43.colorado.edu 2025-08-18 10:25:17
128.138.223.44 aac-muen-hp-printer.colorado.edu 2025-08-18 10:25:17
128.138.223.45 synology.colorado.edu 2025-08-18 10:25:17
128.138.223.46 muen223-46-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.47 muen223-47-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.48 muen223-48-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.49 muen223-49-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.50 muen223-50-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.51 muen223-51-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.52 muen223-52-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.53 muen223-53-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.54 muen223-54-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.55 muen223-55-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.56 muen223-56-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.57 muen223-57-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.58 muen223-58-dhcp.colorado.edu 2025-08-21 17:48:37
128.138.223.59 muen223-59-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.60 muen223-60-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.61 muen223-61-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.62 muen223-62-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.64 muen223-64-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.65 muen223-65-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.66 muen223-66-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.67 muen223-67-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.68 muen223-68-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.69 muen223-69-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.70 muen223-70-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.71 muen223-71-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.72 muen223-72-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.73 muen223-73-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.74 muen223-74-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.75 muen223-75-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.76 muen223-76-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.77 muen223-77-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.78 muen223-78-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.79 muen223-79-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.80 muen223-80-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.81 muen223-81-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.82 muen223-82-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.83 muen223-83-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.84 muen223-84-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.85 muen223-85-dhcp.colorado.edu 2025-08-21 17:48:37
128.138.223.86 muen223-86-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.87 muen223-87-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.88 muen223-88-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.89 muen223-89-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.90 muen223-90-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.91 muen223-91-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.92 muen223-92-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.93 muen223-93-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.94 muen223-94-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.95 muen223-95-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.96 muen223-96-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.97 muen223-97-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.98 muen223-98-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.99 muen223-99-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.100 muen223-100-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.101 muen223-101-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.102 muen223-102-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.103 muen223-103-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.104 muen223-104-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.105 muen223-105-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.106 muen223-106-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.107 muen223-107-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.109 muen223-109-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.110 muen223-110-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.111 muen223-111-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.112 muen223-112-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.113 muen223-113-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.114 muen223-114-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.115 muen223-115-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.116 muen223-116-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.117 muen223-117-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.118 muen223-118-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.119 muen223-119-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.120 muen223-120-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.121 muen223-121-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.122 muen223-122-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.123 muen223-123-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.125 muen223-125-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.126 muen223-126-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.127 muen223-127-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.128 muen223-128-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.129 muen223-129-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.130 muen223-130-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.132 muen223-132-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.133 muen223-133-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.134 muen223-134-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.135 muen223-135-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.136 muen223-136-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.137 muen223-137-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.138 muen223-138-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.139 muen223-139-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.140 muen223-140-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.141 muen223-141-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.142 muen223-142-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.143 muen223-143-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.144 muen223-144-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.145 muen223-145-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.146 muen223-146-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.147 muen223-147-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.148 muen223-148-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.149 muen223-149-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.150 muen223-150-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.151 muen223-151-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.152 muen223-152-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.153 muen223-153-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.154 muen223-154-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.155 muen223-155-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.156 muen223-156-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.157 muen223-157-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.158 muen223-158-dhcp.colorado.edu 2025-08-21 17:48:37
128.138.223.159 muen223-159-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.160 muen223-160-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.161 muen223-161-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.162 muen223-162-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.163 muen223-163-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.165 muen223-165-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.166 muen223-166-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.167 muen223-167-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.168 muen223-168-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.169 muen223-169-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.170 muen223-170-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.171 muen223-171-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.172 muen223-172-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.173 muen223-173-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.174 muen223-174-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.175 muen223-175-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.176 muen223-176-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.177 muen223-177-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.178 muen223-178-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.179 muen223-179-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.180 muen223-180-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.181 muen223-181-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.182 muen223-182-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.183 muen223-183-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.184 muen223-184-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.185 muen223-185-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.186 muen223-186-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.187 muen223-187-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.188 muen223-188-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.189 muen223-189-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.190 muen223-190-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.191 muen223-191-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.192 muen223-192-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.193 muen223-193-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.194 muen223-194-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.195 muen223-195-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.196 muen223-196-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.197 muen223-197-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.198 muen223-198-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.199 muen223-199-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.200 muen223-200-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.201 muen223-201-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.202 muen223-202-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.203 muen223-203-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.204 muen223-204-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.205 muen223-205-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.206 muen223-206-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.207 muen223-207-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.208 muen223-208-dhcp.colorado.edu 2025-08-18 10:25:17
128.138.223.209 mwcolor.colorado.edu 2025-08-18 10:25:17
128.138.223.210 melt.colorado.edu 2025-08-18 10:25:17
128.138.223.211 night.colorado.edu 2025-08-18 10:25:17
128.138.223.212 miyake.colorado.edu 2025-08-18 10:25:17
128.138.223.213 wave.colorado.edu 2025-08-18 10:25:17
128.138.223.214 cogsciclub.colorado.edu 2025-08-18 10:25:17
128.138.223.215 wikicite.colorado.edu 2025-08-18 10:25:17
128.138.223.216 curran-lab.colorado.edu 2025-08-18 10:25:17
128.138.223.217 barth04.colorado.edu 2025-08-18 10:25:17
128.138.223.218 learning-srv.colorado.edu 2025-08-18 10:25:17
128.138.223.219 barth07.colorado.edu 2025-08-18 10:25:17
128.138.223.220 muen223-220.colorado.edu 2025-08-18 10:25:17
128.138.223.221 ics-p-001.colorado.edu 2025-08-18 10:25:17
128.138.223.222 cuchangelab.colorado.edu 2025-08-18 10:25:17
128.138.223.223 virtual.colorado.edu 2025-08-18 10:25:17
128.138.223.224 delilah.colorado.edu 2025-08-18 10:25:17
128.138.223.225 zod.colorado.edu 2025-08-18 10:25:17
128.138.223.226 kore.colorado.edu 2025-08-18 10:25:17
128.138.223.227 neo.colorado.edu 2025-08-18 10:25:17
128.138.223.228 eon.colorado.edu 2025-08-18 10:25:17
128.138.223.230 bey.colorado.edu 2025-08-18 10:25:17
128.138.223.231 muen223-231.colorado.edu 2025-08-18 10:25:17
128.138.223.232 mightyme.colorado.edu 2025-08-18 10:25:17
128.138.223.233 echo.colorado.edu 2025-08-18 10:25:17
128.138.223.234 grey.colorado.edu 2025-08-18 10:25:17
128.138.223.236 purple.colorado.edu 2025-08-18 10:25:17
128.138.223.237 curran-labpc.colorado.edu 2025-08-18 10:25:17
128.138.223.238 wink.colorado.edu 2025-08-18 10:25:17
128.138.223.239 whisper.colorado.edu 2025-08-18 10:25:17
128.138.223.240 reality.colorado.edu 2025-08-18 10:25:17
128.138.223.241 neuro.colorado.edu 2025-08-21 17:48:37
128.138.223.242 ics-p-422.colorado.edu 2025-08-18 10:25:17
128.138.223.243 itolab1.colorado.edu 2025-08-18 10:25:17
128.138.223.244 timshp.colorado.edu 2025-08-18 10:25:17
128.138.223.245 timsg5.colorado.edu 2025-08-18 10:25:17
128.138.223.246 jesp.colorado.edu 2025-08-18 10:25:17
128.138.223.247 psych-4700.colorado.edu 2025-08-18 10:25:17
128.138.223.248 dimidjian-printer.colorado.edu 2025-08-18 10:25:17
128.138.223.250 psychcolor.colorado.edu 2025-08-18 10:25:17
128.138.223.251 curran-labmac.colorado.edu 2025-08-18 10:25:17
128.138.223.252 spcolor.colorado.edu 2025-08-18 10:25:17
128.138.223.253 muen223-253.colorado.edu 2025-08-18 10:25:17
128.138.223.254 lharvey.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