BGP Announced

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:172)

IP Host DateTime
128.138.77.1 rl1-gw-arce77.colorado.edu 2025-08-18 10:22:56
128.138.77.13 arce77-13.colorado.edu 2025-08-18 10:22:56
128.138.77.14 oit-p-002.colorado.edu 2025-08-18 10:22:56
128.138.77.15 crcdb.colorado.edu 2025-08-18 10:22:56
128.138.77.18 bitterroot.colorado.edu 2025-08-18 10:22:56
128.138.77.19 rigilalt.colorado.edu 2025-08-18 10:22:56
128.138.77.20 arce-267-xerox.int.colorado.edu 2025-08-18 10:22:56
128.138.77.54 crcapp.colorado.edu 2025-08-18 10:22:56
128.138.77.56 ra.ad.colorado.edu 2025-08-18 10:22:56
128.138.77.57 anubis.colorado.edu 2025-08-18 10:22:56
128.138.77.59 crc.colorado.edu 2025-08-18 10:22:56
128.138.77.61 crcfw.colorado.edu 2025-08-18 10:22:56
128.138.77.63 crcweb.colorado.edu 2025-08-18 10:22:56
128.138.77.65 crcwww1.colorado.edu 2025-08-18 10:22:56
128.138.77.73 nitzilla.colorado.edu 2025-08-18 10:22:56
128.138.77.74 instaarftp.colorado.edu 2025-08-18 10:22:56
128.138.77.76 hp5000.colorado.edu 2025-08-18 10:22:56
128.138.77.81 qgis.colorado.edu 2025-08-18 10:22:56
128.138.77.85 stout.colorado.edu 2025-08-18 10:22:56
128.138.77.96 raven.colorado.edu 2025-08-18 10:22:56
128.138.77.97 arce77-97.colorado.edu 2025-08-18 10:22:56
128.138.77.98 arce-77-98.colorado.edu 2025-08-18 10:22:56
128.138.77.99 egis-bu-1.colorado.edu 2025-08-18 10:22:56
128.138.77.102 elnino.colorado.edu 2025-08-18 10:22:56
128.138.77.105 arce77-105-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.106 arce77-106-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.108 arce77-108-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.109 arce77-109-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.110 arce77-110-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.111 arce77-111-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.112 arce77-112-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.113 arce77-113-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.114 arce77-114-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.115 arce77-115-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.116 arce77-116-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.117 arce77-117-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.118 arce77-118-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.119 arce77-119-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.120 arce77-120-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.121 arce77-121-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.122 arce77-122-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.123 arce77-123-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.124 arce77-124-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.125 arce77-125-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.126 arce77-126-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.127 arce77-127-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.128 arce77-128-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.129 arce77-129-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.130 arce77-130-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.131 arce77-131-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.132 arce77-132-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.133 arce77-133-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.134 arce77-134-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.135 arce77-135-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.136 arce77-136-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.137 arce77-137-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.138 arce77-138-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.139 arce77-139-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.140 arce77-140-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.141 arce77-141-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.142 arce77-142-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.143 arce77-143-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.144 arce77-144-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.145 arce77-145-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.146 arce77-146-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.147 arce77-147-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.148 arce77-148-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.149 arce77-149-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.150 arce77-150-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.151 arce77-151-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.152 arce77-152-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.153 arce77-153-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.154 arce77-154-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.155 arce77-155-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.156 arce77-156-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.157 arce77-157-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.158 arce77-158-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.159 arce77-159-dhcp.colorado.edu 2025-08-21 17:46:16
128.138.77.160 arce77-160-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.161 arce77-161-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.162 arce77-162-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.163 arce77-163-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.164 arce77-164-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.165 arce77-165-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.166 arce77-166-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.167 arce77-167-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.168 arce77-168-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.169 arce77-169-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.170 arce77-170-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.171 arce77-171-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.172 arce77-172-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.173 arce77-173-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.174 arce77-174-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.175 arce77-175-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.176 arce77-176-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.177 arce77-177-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.178 arce77-178-dhcp.colorado.edu 2025-08-21 17:46:16
128.138.77.179 arce77-179-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.180 arce77-180-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.181 arce77-181-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.182 arce77-182-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.183 arce77-183-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.184 arce77-184-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.185 arce77-185-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.186 arce77-186-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.187 arce77-187-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.188 arce77-188-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.189 arce77-189-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.190 arce77-190-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.191 arce77-191-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.192 arce77-192-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.193 arce77-193-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.194 arce77-194-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.195 arce77-195-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.196 arce77-196-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.197 arce77-197-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.198 arce77-198-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.199 arce77-199-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.200 arce77-200-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.201 arce77-201-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.202 arce77-202-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.204 arce77-204-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.205 arce77-205-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.206 arce77-206-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.207 arce77-207-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.208 arce77-208-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.209 arce77-209-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.210 arce77-210-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.211 arce77-211-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.212 arce77-212-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.213 arce77-213-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.214 arce77-214-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.215 arce77-215-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.216 arce77-216-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.217 arce77-217-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.218 arce77-218-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.219 arce77-219-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.220 arce77-220-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.221 arce77-221-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.222 arce77-222-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.223 arce77-223-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.224 arce77-224-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.225 arce77-225-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.226 arce77-226-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.227 arce77-227-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.228 arce77-228-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.229 arce77-229-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.230 arce77-230-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.231 arce77-231-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.232 arce77-232-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.233 arce77-233-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.234 arce77-234-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.235 arce77-235-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.236 arce77-236-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.237 arce77-237-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.238 arce77-238-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.239 arce77-239-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.240 arce77-240-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.241 arce77-241-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.242 arce77-242-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.243 arce77-243-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.244 arce77-244-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.245 arce77-245-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.246 arce77-246-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.247 arce77-247-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.248 arce77-248-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.249 arce77-249-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.250 arce77-250-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.251 arce77-251-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.252 arce77-252-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.253 arce77-253-dhcp.colorado.edu 2025-08-18 10:22:56
128.138.77.254 arce77-254-dhcp.colorado.edu 2025-08-18 10:22:56

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