147.72.252.0/22

Software Engineering Institute

Announcing ASNs: 2

Parent Prefix: 147.72.0.0/16

RIR: ARIN

Prefix
Routing
Raw Whois

Announcing ASNs

Country	ASN	Name	Description
	AS36407	CERT	Software Engineering Institute
	AS9	CMU-ROUTER	Carnegie Mellon University

147.72.252.0/22 Summary

Prefix:

147.72.252.0/22

Name:

PSC-BLK72-252-22

Description:

Software Engineering Institute

Country:

IP Addresses:

1,024

Regional Registry:

ARIN

Allocation Status:

Allocated

Allocation Date:

5^th July 1991

Parent Prefix:

147.72.0.0/16

Contacts

Email Contacts:

[email protected]

Abuse Contacts:

[email protected]

Address:

Software Engineering Institute,

Carnegie Mellon University,

4500 Fifth Avenue,

Pittsburgh,

PA,

15213,

AS36407 Software Engineering Institute - Prefix Upstreams

Country	ASN	Name	Description
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS5050	PSC-EXT	Pittsburgh Supercomputing Center

AS9 Carnegie Mellon University - Prefix Upstreams

Country	ASN	Name	Description
	AS174	COGENT-174	Cogent Communications
	AS14877	FL-14877	FirstLight Fiber, Inc.

# start

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


OrgNOCHandle: SIT6-ARIN
OrgNOCName:   SEI Information Technology
OrgNOCPhone:  +1-412-268-3416 
OrgNOCEmail:  [email protected]
OrgNOCRef:    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

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