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:177)
| IP | Host | DateTime |
|---|---|---|
| 128.138.248.1 | engr-gw-optics.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.2 | millenium.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.3 | fred-ppp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.5 | danille.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.7 | speedy.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.8 | pulse-ppp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.9 | remote-ppp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.10 | schubert.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.11 | ocs-staker.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.12 | stain.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.13 | syborg.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.14 | rpfeynman.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.15 | cetmech.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.17 | cet001.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.20 | lcdlab.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.21 | lcdlab2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.22 | lcdlab3.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.23 | polarizer.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.24 | medac-ece.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.25 | pulse.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.26 | chopin.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.27 | ecee248-27.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.28 | mozart.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.29 | shakes.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.30 | opaltemp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.31 | opalescence.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.32 | nacional.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.33 | wigner.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.34 | ecepc-piestun.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.35 | ocs-wes.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.36 | behemoth.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.37 | kerr.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.38 | pockel.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.39 | exposhare.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.40 | carson.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.41 | vivaldi.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.42 | haydn.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.43 | lulubird.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.44 | seinfeld.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.45 | porfiry.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.46 | osp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.47 | osep1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.48 | kurtz.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.49 | ocs-kris.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.50 | ocsgator.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.51 | ocsgator-1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.52 | ocsgator-2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.53 | ocsgator-3.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.54 | ocsgator-4.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.55 | moosestooth.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.56 | hunter.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.57 | expolab.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.58 | westrib.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.59 | cassinridge.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.60 | ultimathule.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.61 | windycorner.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.62 | vandelay.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.63 | bolshoi.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.64 | beethoven.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.65 | ocs-admin.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.66 | surya.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.67 | mako.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.68 | wakalix.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.69 | wilma.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.70 | opal1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.71 | gyenislab.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.72 | ecee248-72-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.73 | ecee248-73-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.75 | ecee248-75-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.76 | ecee248-76-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.77 | ecee248-77-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.78 | ecee248-78-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.79 | ecee248-79-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.80 | ecee248-80-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.81 | ecee248-81-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.82 | ecee248-82-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.83 | ecee248-83-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.84 | ecee248-84-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.85 | ecee248-85-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.86 | ecee248-86-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.87 | ecee248-87-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.88 | ecee248-88-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.90 | ecee248-90-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.91 | ecee248-91-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.92 | ecee248-92-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.93 | ecee248-93-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.94 | ecee248-94-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.95 | ecee248-95-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.96 | ecee248-96-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.97 | ecee248-97-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.98 | visitor.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.99 | correlator.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.100 | sunrise.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.101 | maglor.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.102 | shannon.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.103 | botchan.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.104 | fossey.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.105 | foraker.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.106 | cityslicker.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.107 | ocs-tedder.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.108 | manicotti.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.109 | fan.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.111 | handel.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.112 | exposarn.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.113 | expogolm.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.114 | exponas1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.115 | exponas2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.116 | delen.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.117 | ecemac-moddel.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.118 | isl-carolc.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.119 | expoxps1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.120 | singlet.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.121 | doublet.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.122 | taipas-tx.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.123 | triplet.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.124 | janssen.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.126 | boole.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.127 | taipas-relay.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.128 | shaunbartlett.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.129 | ocs-buz.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.130 | ocs-edu1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.131 | gyenislab-rtb2004.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.132 | ocs-edu2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.134 | gyenislab-qick.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.136 | ocs-adm6.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.137 | ocs-adm1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.138 | ecee248-138-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.139 | ecee248-139-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.140 | ecee248-140-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.141 | ecee248-141-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.142 | ecee248-142-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.143 | ecee248-143-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.144 | ecee248-144-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.145 | ecee248-145-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.146 | ecee248-146-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.147 | ecee248-147-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.148 | ecee248-148-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.149 | ecee248-149-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.150 | ecee248-150-dhcp.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.151 | goodall.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.152 | munin.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.153 | philo.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.154 | abbey.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.156 | fraunhofer.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.157 | fresnel.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.159 | sunriser.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.160 | bastille.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.162 | shindan.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.163 | telefunk.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.164 | reading-room.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.166 | lyot.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.167 | mode.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.169 | ocsserver.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.171 | ecee-canon-151.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.174 | ecepc-mcleod.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.181 | dynasonde.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.199 | ocs-adm5.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.206 | cet-data.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.207 | mod2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.208 | cet-hp2840-1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.209 | cet-hp2840-2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.213 | develop.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.214 | mcintyem.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.220 | cetconf.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.224 | cetvm1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.240 | cetmp2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.241 | cetstu1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.242 | cetstu2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.245 | cet-array.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.246 | cetwin.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.247 | cet-brother.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.249 | cet-hp4050.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.250 | cet-pbx.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.251 | cetinsnet.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.252 | cetvo1.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.253 | cetvo2.colorado.edu | 2025-08-18 10:25:32 |
| 128.138.248.254 | ocs-adm4.colorado.edu | 2025-08-18 10:25:32 |
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 |