BGP Announced
| AS | CIDR | Description |
|---|---|---|
| AS31 |
131.215.239.0/24
|
CIT - California Institute of Technology, US |
| AS31 |
131.215.0.0/16
|
CIT - California Institute of Technology, US |
Real Time BGP Data
| AS / Info | IP / Time | AS Path |
|---|---|---|
| Loading... | ||
Reverse DNS List (Total:100)
| IP | Host | DateTime |
|---|---|---|
| 131.215.239.0 | atcmr.net.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.1 | static-239-1.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.2 | airwave.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.3 | airwavehost.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.4 | ss-pigb2.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.5 | ss-ldapreplica0.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.6 | tmt-tunnel-mgmt.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.7 | joe-in-atcmr.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.8 | static-239-8.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.9 | ss-is-web1.is.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.10 | idm3.id.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.11 | dmf-prod.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.12 | jump-aar.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.13 | observium-head.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.15 | vertigo.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.17 | whd-db.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.18 | static-239-18.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.19 | panorama-public.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.20 | odb.acs.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.21 | syslog4.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.22 | arclight.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.23 | ss-dvorak.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.24 | vpn-test-239-24.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.25 | vpn-test-239-25.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.26 | vpn-test-239-26.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.27 | oldsmtp.its.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.28 | chester-fw1.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.29 | vpn-test-239-29.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.30 | crystalline.dna.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.31 | netops-files.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.32 | help-daemon.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.33 | observium-poller-chester.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.35 | vpn-swtest-inside.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.36 | vpn-swtest-pool-36.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.37 | vpn-swtest-pool-37.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.38 | smtp.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.39 | ss-innocent.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.40 | static-239-40.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.41 | eve-ng.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.42 | smtp-incoming.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.43 | sp0.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.44 | chester-mgmt-fw-1.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.45 | chester-untrust-fw-1.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.46 | smtp2.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.47 | ss-toasty.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.48 | ss-smtp-test1.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.49 | static-239-49.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.50 | ss-ldapreplica1.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.51 | syslog1.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.52 | ssh03.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.53 | smtp3.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.54 | smtp4.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.55 | cp-chester-lab.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.56 | syslog0.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.57 | tweaker.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.58 | filer.mics.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.59 | filer-drac.mics.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.60 | vdn-duplicity-s3glacier.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.61 | syslog6.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.63 | ss-binocular.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.64 | static-239-64.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.65 | nesty.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.68 | hive.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.69 | hive-rac.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.70 | vrepl.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.71 | sabre.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.72 | idm0.id.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.73 | keeper.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.74 | lab-fortigate1.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.75 | lab-fortigate2.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.76 | gc._msdcs.gps.caltech.edu arrow.gps.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.78 | ldapreplica0-rhel9.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.79 | ldapreplica1-rhel9.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.80 | ss-aladdin.mics.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.81 | ss-sinbad.mics.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.82 | centrosome.dna.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.83 | centrosome-drac.dna.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.85 | home.work.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.86 | home-drac.work.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.90 | theq-daemon.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.93 | aladdin-gpu-mics.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.94 | sinbad-gpu-mics.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.95 | aladdin-drac.mics.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.96 | sinbad-drac.mics.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.124 | ldapslave.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.142 | eazye.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.185 | is-splunky.is.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.189 | loadb0.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.190 | loadb1.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.194 | is-splunky-idrac.is.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.241 | dhcp-239-241.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.242 | dhcp-239-242.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.243 | dhcp-239-243.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.244 | dhcp-239-244.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.245 | dhcp-239-245.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.251 | fluke-239.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.252 | usda-rsw-239.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.253 | atcmr-rsw-239.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.254 | default-239.caltech.edu | 2025-07-20 10:42:52 |
| 131.215.239.255 | broadcast-239.caltech.edu | 2025-07-20 10:42:52 |
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 |