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 |
|---|---|---|
| Loading... | ||
Reverse DNS List (Total:172)
| IP | Host | DateTime |
|---|---|---|
| 128.138.120.1 | engr-gw-ecch.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.5 | rnoble.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.6 | hauschulgx.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.7 | tetra.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.8 | davisgroup.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.9 | ecch120-9.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.10 | dlc120-10.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.11 | gray-cat.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.12 | eces120-12.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.13 | quivive.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.14 | paul.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.15 | hrenyaprinter.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.16 | ecch120-16.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.17 | ecch120-17.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.18 | dlc120-18.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.19 | eces120-19.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.20 | carbon.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.21 | ecch120-21.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.22 | ecch120-22.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.23 | ecch120-23.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.24 | ecme120-24.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.25 | medlin1.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.26 | cuchbe30.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.27 | logusin.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.28 | c2b2-hp4700.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.29 | ecch120-29.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.30 | langmuir-printer.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.31 | pressure3.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.32 | ecch120-32.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.33 | ecch120-33.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.34 | solder.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.35 | mcen-xerox-003.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.36 | ecch120-36.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.37 | wolfpack.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.38 | ecch120-38.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.39 | mandolin.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.40 | ecch120-40.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.41 | cuchbe2.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.42 | cu-eces-120-42.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.43 | cuchbe3.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.44 | ecch44.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.45 | chehp4550.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.46 | martin-gx520.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.47 | cu-cheme-120-47.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.48 | nitrogen.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.49 | rolfgpu.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.50 | oxygen.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.51 | ecch120-51.colorado.edu | 2025-08-16 11:55:43 |
| 128.138.120.83 | chan-gx755.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.84 | fluorine.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.85 | c2b2-mscrm.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.86 | ecch120-86.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.87 | mastcn3000.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.90 | cloughecch126.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.100 | jalopy.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.121 | mast-km.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.131 | spruce.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.140 | cu-cheme-128.138.120.140.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.141 | cu-cheme-128.138.120.141.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.142 | cu-cheme-128.138.120.142.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.143 | cu-cheme-128.138.120.143.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.144 | cu-cheme-128.138.120.144.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.145 | cu-cheme-128.138.120.145.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.146 | cu-cheme-128.138.120.146.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.147 | cu-cheme-128.138.120.147.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.148 | cu-cheme-128.138.120.148.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.149 | cu-cheme-128.138.120.149.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.150 | cu-cheme-128.138.120.150.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.151 | cu-cheme-128.138.120.151.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.152 | cu-cheme-128.138.120.152.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.153 | cu-cheme-128.138.120.153.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.154 | cu-cheme-128.138.120.154.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.155 | cu-cheme-128.138.120.155.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.156 | cu-cheme-128.138.120.156.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.157 | cu-cheme-128.138.120.157.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.158 | cu-cheme-128.138.120.158.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.159 | cu-cheme-128.138.120.159.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.160 | cu-cheme-128.138.120.160.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.161 | cu-cheme-128.138.120.161.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.162 | cu-cheme-128.138.120.162.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.163 | cu-cheme-128.138.120.163.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.164 | cu-cheme-128.138.120.164.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.165 | cu-cheme-128.138.120.165.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.166 | cu-cheme-128.138.120.166.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.167 | cu-cheme-128.138.120.167.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.168 | cu-cheme-128.138.120.168.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.169 | cu-cheme-128.138.120.169.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.170 | cu-cheme-128.138.120.170.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.171 | cu-cheme-128.138.120.171.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.172 | cu-cheme-128.138.120.172.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.173 | cu-cheme-128.138.120.173.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.174 | cu-cheme-128.138.120.174.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.175 | cu-cheme-128.138.120.175.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.176 | cu-cheme-128.138.120.176.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.177 | cu-cheme-128.138.120.177.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.178 | cu-cheme-128.138.120.178.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.179 | cu-cheme-128.138.120.179.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.180 | cu-cheme-128.138.120.180.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.181 | cu-cheme-128.138.120.181.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.182 | cu-cheme-128.138.120.182.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.183 | cu-cheme-128.138.120.183.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.184 | cu-cheme-128.138.120.184.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.185 | cu-cheme-128.138.120.185.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.186 | cu-cheme-128.138.120.186.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.187 | cu-cheme-128.138.120.187.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.188 | cu-cheme-128.138.120.188.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.189 | cu-cheme-128.138.120.189.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.190 | cu-cheme-128.138.120.190.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.191 | cu-cheme-128.138.120.191.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.192 | cu-cheme-128.138.120.192.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.193 | cu-cheme-128.138.120.193.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.194 | cu-cheme-128.138.120.194.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.195 | cu-cheme-128.138.120.195.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.196 | cu-cheme-128.138.120.196.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.197 | cu-cheme-128.138.120.197.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.198 | cu-cheme-128.138.120.198.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.199 | cu-cheme-128.138.120.199.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.200 | cu-cheme-128.138.120.200.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.201 | cu-cheme-128.138.120.201.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.202 | cu-cheme-128.138.120.202.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.203 | cu-cheme-128.138.120.203.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.204 | cu-cheme-128.138.120.204.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.205 | cu-cheme-128.138.120.205.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.206 | cu-cheme-128.138.120.206.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.207 | cu-cheme-128.138.120.207.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.208 | cu-cheme-128.138.120.208.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.209 | cu-cheme-128.138.120.209.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.210 | cu-cheme-128.138.120.210.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.211 | cu-cheme-128.138.120.211.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.212 | cu-cheme-128.138.120.212.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.213 | cu-cheme-128.138.120.213.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.214 | cu-cheme-128.138.120.214.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.215 | cu-cheme-128.138.120.215.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.216 | cu-cheme-128.138.120.216.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.217 | cu-cheme-128.138.120.217.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.218 | cu-cheme-128.138.120.218.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.219 | cu-cheme-128.138.120.219.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.220 | cu-cheme-128.138.120.220.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.221 | cu-cheme-128.138.120.221.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.222 | cu-cheme-128.138.120.222.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.223 | cu-cheme-128.138.120.223.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.224 | cu-cheme-128.138.120.224.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.225 | cu-cheme-128.138.120.225.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.226 | cu-cheme-128.138.120.226.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.227 | cu-cheme-128.138.120.227.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.228 | cu-cheme-128.138.120.228.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.229 | cu-cheme-128.138.120.229.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.230 | cu-cheme-128.138.120.230.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.231 | cu-cheme-128.138.120.231.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.232 | cu-cheme-128.138.120.232.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.233 | cu-cheme-128.138.120.233.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.234 | cu-cheme-128.138.120.234.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.235 | cu-cheme-128.138.120.235.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.236 | cu-cheme-128.138.120.236.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.237 | cu-cheme-128.138.120.237.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.238 | cu-cheme-128.138.120.238.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.239 | cu-cheme-128.138.120.239.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.240 | cu-cheme-128.138.120.240.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.241 | cu-cheme-128.138.120.241.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.242 | cu-cheme-128.138.120.242.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.243 | cu-cheme-128.138.120.243.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.244 | cu-cheme-128.138.120.244.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.245 | cu-cheme-128.138.120.245.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.246 | cu-cheme-128.138.120.246.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.247 | cu-cheme-128.138.120.247.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.248 | cu-cheme-128.138.120.248.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.249 | cu-cheme-128.138.120.249.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.250 | cu-cheme-128.138.120.250.colorado.edu | 2025-08-21 17:46:46 |
| 128.138.120.251 | cu-cheme-128.138.120.251.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.252 | cu-cheme-128.138.120.252.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.253 | cu-cheme-128.138.120.253.colorado.edu | 2025-08-18 10:23:45 |
| 128.138.120.254 | cu-cheme-128.138.120.254.colorado.edu | 2025-08-18 10:23:45 |
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 |