BGP Announced
| AS | CIDR | Description |
|---|---|---|
| AS31 |
131.215.242.0/23
|
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:78)
| IP | Host | DateTime |
|---|---|---|
| 131.215.243.0 | imssmr-243-net.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.1 | dns-internal.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.2 | milky.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.3 | frigid.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.4 | mh-infra2.caltech.edu mh-infra2.ad.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.5 | v-cds-server1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.9 | ss-modsec-ext-prod2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.10 | win-meridian2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.11 | mh-pres-fmdb2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.12 | mh-meridian2.caltech.edu | 2025-07-09 14:00:00 |
| 131.215.243.13 | mh-fbimportpro.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.14 | mh-csfs1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.15 | mh-sql2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.16 | pb-license-server-0.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.17 | mh-ctme1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.27 | envision-r2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.30 | mh-hou-fmdb1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.37 | filer.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.48 | mh-ottcp-db2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.52 | mh-ear2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.61 | ex-hybrid4.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.64 | mh-altiris-ns.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.68 | mh-altiris-cem.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.71 | mh-altiris-sql.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.73 | env-db-prod.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.77 | mh-mgmt2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.78 | osprey.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.79 | mh-cars2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.84 | webtest1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.85 | cassius.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.86 | socii.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.89 | mh-winpak-srv2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.92 | aws-sms-connector.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.93 | dca.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.94 | dcb.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.95 | mh-sfp-fmdb2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.96 | mh-sfp-web3.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.113 | ss-ibs-server1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.116 | mh-pinterfaces2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.130 | adv-app-dev.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.131 | adv-app-test.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.132 | adv-app-train.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.133 | mh-winfile20.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.135 | adv-app-prod1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.136 | adv-app-prod2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.137 | advance.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.144 | mh-ottcp-db1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.151 | ss-duo-authproxy-prod2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.153 | vdi-vc101.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.159 | adv-db-prod.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.166 | labrunr-01.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.168 | mh-wdx-file.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.169 | mh-wdx-index.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.178 | legion.ad.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.181 | v-acs-db1-prod.acs.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.182 | mh-print2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.183 | mh-bastion39.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.184 | mh-bastion59.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.189 | auspicia.its.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.190 | mh-winsshd.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.191 | gladstone.systems.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.193 | ex-cashub1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.194 | ex-hybrid3.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.195 | static-243-195.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.196 | mh-meridian1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.197 | mh-dirsync1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.199 | manipuli.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.205 | mh-winfile25.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.208 | mh-winpak-srv1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.210 | mh-winfile27.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.218 | adtest-dirsync1.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.220 | mh-issm-web2.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.221 | outlook.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.222 | mh-winfile28.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.229 | locri.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.240 | vharmony-rhel7.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.244 | hr-db-temp.caltech.edu | 2025-07-14 23:51:05 |
| 131.215.243.253 | atcmr-rsw-243.caltech.edu | 2025-07-14 23:51:05 |
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 |