131.215.242.43
CIT, US
Seen 29 times between November 3rd, 2023 and August 7th, 2024.
General Info Open in Search
| Geo | Pasadena, California, United States (US) — |
| AS | AS31 - CIT, US
Note: An IP might be announced by multiple ASs. This is not shown. |
| Route | 131.215.0.0/16 (Route of ASN) |
| PTR | mh-web22.caltech.edu(PTR record of primary IP) |
Recent Screenshots
Direct hits
Summary of pages hosted on this IP
Domains alumnus.caltech.edu | 21x brennen.caltech.edu | 2x schedules.caltech.edu | 2x www.math.caltech.edu | 2x
Recent scans (27 total) Show all
| URL | Age | |||||
|---|---|---|---|---|---|---|
| www.math.caltech.edu//people//kechris.html | 4 months | 2 | 1 | 1 | ||
| alumnus.caltech.edu//~amir// | 4 months | 2 | 1 | 1 | ||
| alumnus.caltech.edu//~donstew// | 4 months | 2 | 1 | 1 | ||
| alumnus.caltech.edu//~tbmaddux// | 4 months | 2 | 1 | 1 | ||
| alumnus.caltech.edu//~dshiels// | 4 months | 2 | 1 | 1 |
Incoming hits
Summary of pages that talked to this IP
IPs 162.241.224.242 | 1x 192.0.78.24 | 1x
Domains chaosinmotion.com | 1x www.mark-jackson.online | 1x
Countries US | 2x
Recent scans (2 total) Show all
| URL | Age | |||||
|---|---|---|---|---|---|---|
| chaosinmotion.com | 4 months | 38 | 6 | 1 | ||
| www.mark-jackson.online | 5 months | 4 | 1 | 1 |
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Recent screenshots
Screenshots of pages hosted on this IP
Related infrastructure
Summary of infrastructure which pages hosted on this IP frequently talked to
IPs 131.215.242.43 | 27x
Domains alumnus.caltech.edu | 21x brennen.caltech.edu | 2x schedules.caltech.edu | 2x www.math.caltech.edu | 2x
Recently observed hostnames on '131.215.242.43'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.
mh-web22.ad.caltech.edu
| 2023-05-25
mh-web22.caltech.edu
| 2023-05-25
tadeans.caltech.edu
| 2020-09-03
schedules.caltech.edu
| 2018-08-22
math.caltech.edu
| 2018-05-05
alumnus.caltech.edu
| 2018-01-11
blackboard.caltech.edu
| 2015-06-14
funman.caltech.edu
| 2013-05-16
imss-dev-hr.caltech.edu
| 2013-05-16
ioweb.caltech.edu
| 2013-05-16
mh-web2.caltech.edu
| 2013-05-16
alumnus.alumni.caltech.edu
| 2013-03-26
Attention: These domains and hostnames were discovered through Certificate Transparency (CT) Logs and have been irrevocably published as part of the public record. There is no mechanism for us or anyone else to remove this information from the Internet.
Related screenshots
Screenshots of pages that talked to this IP
WHOIS for 131.215.242.43
NetRange: 131.215.0.0 - 131.215.255.255 CIDR: 131.215.0.0/16 NetName: CALTECH-NET NetHandle: NET-131-215-0-0-1 Parent: NET131 (NET-131-0-0-0-0) NetType: Direct Allocation OriginAS: AS31 Organization: California Institute of Technology (CIT-4-Z) RegDate: 1989-01-19 Updated: 2023-08-29 Ref: https://rdap.arin.net/registry/ip/131.215.0.0 OrgName: California Institute of Technology OrgId: CIT-4-Z Address: 1200 East California Boulevard Address: MS 1-10 City: Pasadena StateProv: CA PostalCode: 91125 Country: US RegDate: 2023-08-22 Updated: 2023-08-22 Ref: https://rdap.arin.net/registry/entity/CIT-4-Z OrgAbuseHandle: CI2-ORG-ARIN OrgAbuseName: Caltech Network Operations Center OrgAbusePhone: +1-626-395-3500 OrgAbuseEmail: noc@caltech.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN OrgTechHandle: CI2-ORG-ARIN OrgTechName: Caltech Network Operations Center OrgTechPhone: +1-626-395-3500 OrgTechEmail: noc@caltech.edu OrgTechRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN RAbuseHandle: CI2-ORG-ARIN RAbuseName: Caltech Network Operations Center RAbusePhone: +1-626-395-3500 RAbuseEmail: noc@caltech.edu RAbuseRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN RNOCHandle: CI2-ORG-ARIN RNOCName: Caltech Network Operations Center RNOCPhone: +1-626-395-3500 RNOCEmail: noc@caltech.edu RNOCRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN RTechHandle: CI2-ORG-ARIN RTechName: Caltech Network Operations Center RTechPhone: +1-626-395-3500 RTechEmail: noc@caltech.edu RTechRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN