147.72.252.242
CMU-ROUTER, US
Seen 67 times between July 15th, 2024 and July 15th, 2024.
General Info Open in Search
| Geo | United States (US) — |
| AS | AS9 - CMU-ROUTER, US
Note: An IP might be announced by multiple ASs. This is not shown. |
| Registrar | ARIN |
| Route | 147.72.252.0/22 (Route of ASN) |
| PTR | www.cert.org(PTR record of primary IP) |
Recent Screenshots
No direct hits
Nothing is hosted on this IP
Incoming hits
Summary of pages that talked to this IP
Recent scans (67 total) Show all
| URL | Age | |||||
|---|---|---|---|---|---|---|
| www.cisa.gov/home-and-business | a day | 82 | 10 | 2 | ||
| www.sei.cmu.edu/about/divisions/cert/index.cfm | 20 days | 62 | 13 | 3 | ||
| insights.sei.cmu.edu/library/2000-cert-advisories/ | 2 months | 26 | 12 | 4 | ||
| www.sei.cmu.edu/about/divisions/cert/index.cfm | 4 months | 62 | 13 | 3 | ||
| www.sei.cmu.edu/about/divisions/cert/index.cfm | 4 months | 61 | 12 | 3 |
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Recently observed hostnames on '147.72.252.242'
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cert.org
| 2013-03-26
www.cert.org
| 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 147.72.252.242
NetRange: 147.72.0.0 - 147.72.255.255 CIDR: 147.72.0.0/16 NetName: PSC-PPP-SUBNET NetHandle: NET-147-72-0-0-1 Parent: NET147 (NET-147-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Pittsburgh Supercomputing Center (PSC-Z) RegDate: 1991-07-05 Updated: 2012-04-02 Ref: https://rdap.arin.net/registry/ip/147.72.0.0 OrgName: Pittsburgh Supercomputing Center OrgId: PSC-Z Address: 300 S Craig St City: Pittsburgh StateProv: PA PostalCode: 15213 Country: US RegDate: 2008-05-29 Updated: 2022-04-27 Ref: https://rdap.arin.net/registry/entity/PSC-Z OrgTechHandle: PN-ORG-ARIN OrgTechName: Pittsburgh Supercomputing Center OrgTechPhone: +1-412-268-4960 OrgTechEmail: pscnet-admin@psc.edu OrgTechRef: https://rdap.arin.net/registry/entity/PN-ORG-ARIN OrgTechHandle: SC274-ARIN OrgTechName: Cunningham, Stephen OrgTechPhone: +1-412-268-4960 OrgTechEmail: cunningham@psc.edu OrgTechRef: https://rdap.arin.net/registry/entity/SC274-ARIN OrgAbuseHandle: PN-ORG-ARIN OrgAbuseName: Pittsburgh Supercomputing Center OrgAbusePhone: +1-412-268-4960 OrgAbuseEmail: pscnet-admin@psc.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/PN-ORG-ARIN OrgAbuseHandle: SC274-ARIN OrgAbuseName: Cunningham, Stephen OrgAbusePhone: +1-412-268-4960 OrgAbuseEmail: cunningham@psc.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/SC274-ARIN RTechHandle: SC274-ARIN RTechName: Cunningham, Stephen RTechPhone: +1-412-268-4960 RTechEmail: cunningham@psc.edu RTechRef: https://rdap.arin.net/registry/entity/SC274-ARIN NetRange: 147.72.252.0 - 147.72.255.255 CIDR: 147.72.252.0/22 NetName: PSC-BLK72-252-22 NetHandle: NET-147-72-252-0-1 Parent: PSC-PPP-SUBNET (NET-147-72-0-0-1) NetType: Reassigned OriginAS: AS36407 Organization: Software Engineering Institute (CERT-1) RegDate: 2015-06-24 Updated: 2015-06-24 Ref: https://rdap.arin.net/registry/ip/147.72.252.0 OrgName: Software Engineering Institute OrgId: CERT-1 Address: Software Engineering Institute Address: Carnegie Mellon University Address: 4500 Fifth Avenue City: Pittsburgh StateProv: PA PostalCode: 15213 Country: US RegDate: 1991-01-11 Updated: 2014-08-13 Ref: https://rdap.arin.net/registry/entity/CERT-1 OrgAbuseHandle: SIT6-ARIN OrgAbuseName: SEI Information Technology OrgAbusePhone: +1-412-268-3416 OrgAbuseEmail: it-netreg@sei.cmu.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/SIT6-ARIN OrgTechHandle: SIT6-ARIN OrgTechName: SEI Information Technology OrgTechPhone: +1-412-268-3416 OrgTechEmail: it-netreg@sei.cmu.edu OrgTechRef: https://rdap.arin.net/registry/entity/SIT6-ARIN OrgNOCHandle: SIT6-ARIN OrgNOCName: SEI Information Technology OrgNOCPhone: +1-412-268-3416 OrgNOCEmail: it-netreg@sei.cmu.edu OrgNOCRef: https://rdap.arin.net/registry/entity/SIT6-ARIN