131.142.198.52
HARVARD-UNIV, US
Seen 27 times between April 11th, 2019 and November 14th, 2024.
General Info Open in Search
| Geo | Cambridge, Massachusetts, United States (US) — |
| AS | AS1742 - HARVARD-UNIV, US
Note: An IP might be announced by multiple ASs. This is not shown. |
| Route | 131.142.0.0/16 (Route of ASN) |
| PTR | chandra.cfa.harvard.edu(PTR record of primary IP) |
Recent Screenshots
Direct hits
Summary of pages hosted on this IP
Domains chandra.harvard.edu | 9x www.chandra.harvard.edu | 9x chandra.si.edu | 2x chandra.cfa.harvard.edu | 1x
Recent scans (21 total) Show all
| URL | Age | |||||
|---|---|---|---|---|---|---|
| www.chandra.harvard.edu//xray/_sources//neutron/_stars.html | 3 months | 27 | 6 | 2 | ||
| www.chandra.harvard.edu//xray/_sources//blackholes.html | 3 months | 25 | 6 | 1 | ||
| www.chandra.harvard.edu//press//images.html | 3 months | 24 | 4 | 1 | ||
| www.chandra.harvard.edu//xray/_astro//dark/_matter.html | 3 months | 25 | 6 | 1 | ||
| chandra.harvard.edu//press//01_releases//press_011001.html | 4 months | 26 | 5 | 2 |
Incoming hits
Summary of pages that talked to this IP
ASNs AS1742 | 2x AS16509 | 1x AS2635 | 1x AS395409 | 1x
IPs 131.142.198.51 | 2x 131.142.198.81 | 1x 192.0.78.12 | 1x 198.51.233.2 | 1x 2a05:d014:58f:6202::64 | 1x
Domains cxc.harvard.edu | 2x blissyroe.neocities.org | 1x golbath.netlify.app | 1x hte.si.edu | 1x sciencesprings.wordpress.com | 1x
Recent scans (6 total) Show all
| URL | Age | |||||
|---|---|---|---|---|---|---|
| hte.si.edu | a day | 53 | 11 | 1 | ||
| blissyroe.neocities.org | 20 days | 130 | 14 | 3 | ||
| golbath.netlify.app | 4 months | 15 | 11 | 3 | ||
| sciencesprings.wordpress.com | 7 months | 54 | 21 | 4 | ||
| cxc.harvard.edu | 10 months | 27 | 6 | 2 |
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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 131.142.198.52 | 21x
Domains chandra.harvard.edu | 9x www.chandra.harvard.edu | 9x chandra.si.edu | 2x chandra.cfa.harvard.edu | 1x
Recently observed hostnames on '131.142.198.52'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.
chandra.cfa.harvard.edu
| 2019-10-24
www.chandra.cfa.harvard.edu
| 2019-10-24
www.chandra.harvard.edu
| 2019-10-24
xrtpub.cfa.harvard.edu
| 2019-10-24
xrtpub.harvard.edu
| 2019-10-24
www.chandra.si.edu
| 2019-09-20
chandra.harvard.edu
| 2018-10-01
chandra.si.edu
| 2017-10-25
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 131.142.198.52
NetRange: 131.142.0.0 - 131.142.255.255 CIDR: 131.142.0.0/16 NetName: CFA-NET NetHandle: NET-131-142-0-0-1 Parent: NET131 (NET-131-0-0-0-0) NetType: Direct Allocation OriginAS: AS1742, AS10578 Organization: Smithsonian Astrophysical Observatory (SI-2-Z) RegDate: 1988-11-21 Updated: 2023-12-18 Ref: https://rdap.arin.net/registry/ip/131.142.0.0 OrgName: Smithsonian Astrophysical Observatory OrgId: SI-2-Z Address: 60 Garden St. City: Cambridge StateProv: MA PostalCode: 02138 Country: US RegDate: 2023-11-17 Updated: 2023-11-17 Ref: https://rdap.arin.net/registry/entity/SI-2-Z OrgAbuseHandle: RAH81-ARIN OrgAbuseName: Hewett, Robert A OrgAbusePhone: +1-617-384-6594 OrgAbuseEmail: rhewett@cfa.harvard.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/RAH81-ARIN OrgTechHandle: RAH81-ARIN OrgTechName: Hewett, Robert A OrgTechPhone: +1-617-384-6594 OrgTechEmail: rhewett@cfa.harvard.edu OrgTechRef: https://rdap.arin.net/registry/entity/RAH81-ARIN OrgNOCHandle: RAH81-ARIN OrgNOCName: Hewett, Robert A OrgNOCPhone: +1-617-384-6594 OrgNOCEmail: rhewett@cfa.harvard.edu OrgNOCRef: https://rdap.arin.net/registry/entity/RAH81-ARIN RTechHandle: RAH81-ARIN RTechName: Hewett, Robert A RTechPhone: +1-617-384-6594 RTechEmail: rhewett@cfa.harvard.edu RTechRef: https://rdap.arin.net/registry/entity/RAH81-ARIN