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

Real Time BGP Data

AS / Info IP / Time AS Path
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Reverse DNS List (Total:224)

IP Host DateTime
128.138.155.1 hum-gw-main.colorado.edu 2025-08-18 10:24:16
128.138.155.7 vidar.colorado.edu 2025-08-18 10:24:16
128.138.155.12 alum-p-008.colorado.edu 2025-08-18 10:24:16
128.138.155.13 alum-p-001.colorado.edu 2025-08-18 10:24:16
128.138.155.14 main155-14.colorado.edu 2025-08-18 10:24:16
128.138.155.15 main155-15.colorado.edu 2025-08-18 10:24:16
128.138.155.16 main155-16.colorado.edu 2025-08-21 17:47:46
128.138.155.17 main155-17.colorado.edu 2025-08-18 10:24:16
128.138.155.18 main155-18.colorado.edu 2025-08-18 10:24:16
128.138.155.19 main155-19.colorado.edu 2025-08-18 10:24:16
128.138.155.20 main155-20.colorado.edu 2025-08-18 10:24:16
128.138.155.21 main155-21.colorado.edu 2025-08-18 10:24:16
128.138.155.22 main155-22.colorado.edu 2025-08-18 10:24:16
128.138.155.23 main155-23.colorado.edu 2025-08-18 10:24:16
128.138.155.24 main155-24.colorado.edu 2025-08-18 10:24:16
128.138.155.25 redshirt.colorado.edu 2025-08-18 10:24:16
128.138.155.26 main155-26.colorado.edu 2025-08-18 10:24:16
128.138.155.27 main155-27.colorado.edu 2025-08-18 10:24:16
128.138.155.28 main155-28.colorado.edu 2025-08-18 10:24:16
128.138.155.29 main155-29.colorado.edu 2025-08-18 10:24:16
128.138.155.30 main155-30.colorado.edu 2025-08-18 10:24:16
128.138.155.31 main155-31.colorado.edu 2025-08-18 10:24:16
128.138.155.32 main155-32.colorado.edu 2025-08-18 10:24:16
128.138.155.40 main155-40.colorado.edu 2025-08-18 10:24:16
128.138.155.41 main155-41.colorado.edu 2025-08-18 10:24:16
128.138.155.45 main155-45.colorado.edu 2025-08-18 10:24:16
128.138.155.46 asit-w7-h8l49p1.colorado.edu 2025-08-18 10:24:16
128.138.155.47 asit-wx-33t57g1.colorado.edu 2025-08-18 10:24:16
128.138.155.49 curriculum-printer.colorado.edu 2025-08-18 10:24:16
128.138.155.55 asbudgetscanner.colorado.edu 2025-08-18 10:24:16
128.138.155.56 secondfloorscanner.colorado.edu 2025-08-18 10:24:16
128.138.155.60 main155-60-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.61 main155-61-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.62 main155-62-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.63 main155-63-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.64 main155-64-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.65 main155-65-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.66 main155-66-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.67 main155-67-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.68 main155-68-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.69 main155-69-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.70 main155-70-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.71 main155-71-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.72 main155-72-dhcp.colorado.edu 2025-08-21 17:47:46
128.138.155.73 main155-73-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.74 main155-74-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.75 main155-75-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.76 main155-76-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.77 main155-77-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.78 main155-78-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.79 main155-79-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.81 main155-81-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.82 main155-82-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.83 main155-83-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.84 main155-84-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.85 main155-85-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.86 main155-86-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.87 main155-87-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.88 main155-88-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.89 main155-89-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.90 main155-90-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.91 main155-91-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.92 main155-92-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.93 main155-93-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.94 main155-94-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.95 main155-95-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.96 main155-96-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.97 main155-97-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.98 main155-98-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.99 main155-99-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.100 main155-100-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.101 main155-101-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.102 main155-102-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.103 main155-103-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.104 main155-104-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.105 main155-105-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.106 main155-106-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.107 main155-107-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.108 main155-108-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.109 main155-109-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.110 main155-110-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.111 main155-111-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.112 main155-112-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.113 main155-113-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.114 main155-114-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.115 main155-115-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.116 main155-116-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.117 main155-117-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.118 main155-118-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.119 main155-119-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.120 main155-120-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.121 main155-121-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.122 main155-122-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.123 main155-123-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.124 main155-124-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.125 main155-125-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.126 main155-126-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.127 main155-127-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.128 main155-128-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.129 main155-129-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.130 main155-130-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.131 main155-131-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.132 main155-132-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.133 main155-133-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.134 main155-134-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.135 main155-135-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.136 main155-136-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.137 main155-137-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.138 main155-138-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.139 main155-139-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.140 main155-140-dhcp.colorado.edu 2025-08-21 17:47:53
128.138.155.141 main155-141-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.142 main155-142-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.143 main155-143-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.144 main155-144-dhcp.colorado.edu 2025-08-21 17:47:53
128.138.155.145 main155-145-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.146 main155-146-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.147 main155-147-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.148 main155-148-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.149 main155-149-dhcp.colorado.edu 2025-08-21 17:47:46
128.138.155.150 main155-150-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.151 main155-151-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.152 main155-152-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.153 main155-153-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.154 main155-154-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.155 main155-155-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.156 main155-156-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.157 main155-157-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.158 main155-158-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.159 main155-159-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.160 main155-160-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.161 main155-161-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.162 main155-162-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.163 main155-163-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.164 main155-164-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.165 main155-165-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.166 main155-166-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.167 main155-167-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.168 main155-168-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.169 main155-169-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.170 main155-170-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.171 main155-171-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.172 main155-172-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.173 main155-173-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.174 main155-174-dhcp.colorado.edu 2025-08-21 17:47:46
128.138.155.175 main155-175-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.176 main155-176-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.177 main155-177-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.178 main155-178-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.179 main155-179-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.180 main155-180-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.181 main155-181-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.182 main155-182-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.183 main155-183-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.184 main155-184-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.185 main155-185-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.186 main155-186-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.187 main155-187-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.188 main155-188-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.189 main155-189-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.190 main155-190-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.191 main155-191-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.192 main155-192-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.193 main155-193-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.194 main155-194-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.195 main155-195-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.196 main155-196-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.197 main155-197-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.198 main155-198-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.199 main155-199-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.200 main155-200-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.201 main155-201-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.202 main155-202-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.203 main155-203-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.204 main155-204-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.205 main155-205-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.206 main155-206-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.207 main155-207-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.208 main155-208-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.209 main155-209-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.210 main155-210-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.211 main155-211-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.212 main155-212-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.213 main155-213-dhcp.colorado.edu 2025-08-21 17:47:53
128.138.155.214 main155-214-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.215 main155-215-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.216 main155-216-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.217 main155-217-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.218 main155-218-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.219 main155-219-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.220 main155-220-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.221 main155-221-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.222 main155-222-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.223 main155-223-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.224 main155-224-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.225 main155-225-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.226 main155-226-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.227 main155-227-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.228 main155-228-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.229 main155-229-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.230 main155-230-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.231 main155-231-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.232 main155-232-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.233 main155-233-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.234 main155-234-dhcp.colorado.edu 2025-08-21 17:47:53
128.138.155.235 main155-235-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.236 main155-236-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.237 main155-237-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.238 main155-238-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.239 main155-239-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.240 main155-240-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.241 main155-241-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.242 main155-242-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.243 main155-243-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.245 main155-245-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.246 main155-246-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.247 main155-247-dhcp.colorado.edu 2025-08-21 17:47:53
128.138.155.248 main155-248-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.249 main155-249-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.250 main155-250-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.251 main155-251-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.252 main155-252-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.253 main155-253-dhcp.colorado.edu 2025-08-18 10:24:16
128.138.155.254 main155-254-dhcp.colorado.edu 2025-08-18 10:24:16

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