AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
CERT Software Engineering Institute 4 2 1,536 131,072 United States
1,536 IPv4 Addresses
CIDR Description IP Num
147.72.252.0/24 Software Engineering Institute 256
147.72.252.0/22 Software Engineering Institute 1024
192.88.209.0/24 Software Engineering Institute 256
192.88.210.0/24 Software Engineering Institute 256
CIDR Description IP NUMs(prefix /64)
2001:5e8:70::/48 Pittsburgh Supercomputing Center 65536
2620:8b:4000::/48 Software Engineering Institute 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS5050 PSC-EXT - Pittsburgh Supercomputing Center, US United States 148,736 4,295,098,368 IPv4 IPv4 IPv6 IPv6
AS17054 AS17054 - CONTINENTAL BROADBAND PENNSYLVANIA, INC., US United States 386,304 4,295,032,832 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
147.72.252.20 1 ns1.sei.cmu.edu
147.72.252.21 1 ns2.sei.cmu.edu
147.72.252.66 2 ftp.cert.org
147.72.252.200 1 routeviews-mirror.cert.org
147.72.252.201 2 learning.sei.cmu.edu
147.72.252.217 1 tools.netsa.cert.org
147.72.252.225 2 aadl.info
ASNumber:       36407
ASName:         CERT
ASHandle:       AS36407
RegDate:        2005-12-22
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/36407


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


OrgNOCHandle: SIT6-ARIN
OrgNOCName:   SEI Information Technology
OrgNOCPhone:  +1-412-268-3416 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/SIT6-ARIN

OrgAbuseHandle: SIT6-ARIN
OrgAbuseName:   SEI Information Technology
OrgAbusePhone:  +1-412-268-3416 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SIT6-ARIN

OrgTechHandle: SIT6-ARIN
OrgTechName:   SEI Information Technology
OrgTechPhone:  +1-412-268-3416 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/SIT6-ARIN