147.72.252.242
CERT, US


Seen 78 times between June 9th, 2020 and October 28th, 2024.


General Info Open in Search

Geo United States (US) —
AS AS36407 - CERT, US
Note: An IP might be announced by multiple ASs. This is not shown.
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

ASNs AS9 | 42x AS36407 | 33x AS23141 | 2x AS20940 | 1x

IPs 147.72.252.240 | 65x 147.72.252.250 | 7x 66.219.156.3 | 2x 147.72.252.241 | 2x 128.237.30.11 | 1x 2a02:26f0:480:5af::447a | 1x

Domains www.sei.cmu.edu | 66x insights.sei.cmu.edu | 7x resources.sei.cmu.edu | 2x tech.ohio.net | 2x www.cisa.gov | 1x

Countries US | 77x DE | 1x

Recent scans (78 total) Show all

URL Age
www.sei.cmu.edu/about/divisions/cert/index.cfm 21 days
www.sei.cmu.edu/about/divisions/cert/index.cfm 2 months
www.sei.cmu.edu/about/divisions/cert/index.cfm 2 months
www.sei.cmu.edu/about/divisions/cert/index.cfm 2 months
insights.sei.cmu.edu/library/2002-cert-advisories/ 3 months

Disclaimer

The websites, domains, and other information displayed on this page are not managed by urlscan. Each website and its contents are solely the responsibility of their respective owners. urlscan can remove specific website scans from our platform, but urlscan does not bear responsibility for their content. If you have been a victim of fraud by any of the websites listed, please contact your local law enforcement to report it.

Recently observed hostnames on '147.72.252.242'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.

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

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

OrgTechHandle: SC274-ARIN
OrgTechName:   Cunningham, Stephen 
OrgTechPhone:  +1-412-268-4960 
OrgTechEmail:  pscnet-admin@psc.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/SC274-ARIN

OrgAbuseHandle: SC274-ARIN
OrgAbuseName:   Cunningham, Stephen 
OrgAbusePhone:  +1-412-268-4960 
OrgAbuseEmail:  pscnet-admin@psc.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SC274-ARIN

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

RTechHandle: SC274-ARIN
RTechName:   Cunningham, Stephen 
RTechPhone:  +1-412-268-4960 
RTechEmail:  pscnet-admin@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

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

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