AS Name
NCSA-AS
Org Name
National Center for Supercomputing Applications
Registry Region
United States
Looking Glass
IPv4Prefixes

3

IPv6Prefixes

1

IPv4 NUMs

65,792

IPv6 NUMs(/64)

65,536

65,792 IPv4 Addresses
CIDR Description IP Num
141.142.0.0/24 National Center for Supercomputing Applications 256
141.142.0.0/16 National Center for Supercomputing Applications 65536
198.17.196.0/24 National Center for Supercomputing 256
CIDR Description IP NUMs(prefix /64)
2620:0:c80::/48 National Center for Supercomputing Applications 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS11537 INTERNET2-RESEARCH-EDU - Internet2, US United States 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS40387 UI-ICCN - University of Illinois, US United States 2,048 65,536 IPv4 IPv4 IPv6 IPv6
AS293 ESNET, US United States 132,864 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS2153 CSUNET-NE - California State University, Office of the Chancellor, US United States 1,280 16,777,216 IPv4 IPv4
AS11164 INTERNET2-I2PX - Internet2, US United States 1,536 196,608 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
141.142.2.2 1 dns1.ncsa.illinois.edu
141.142.143.137 1 ns1.xsede.org
141.142.149.19 1 polo1.cilogon.org
141.142.149.20 1 polo2.cilogon.org
141.142.149.28 10 cilogin.org
141.142.160.49 1 data.materialsdatafacility.org
141.142.161.40 1 desweb.cosmology.illinois.edu
141.142.161.55 1 des.ncsa.illinois.edu
141.142.171.14 1 duo.security.ncsa.illinois.edu
141.142.181.251 2 lsst-web.ncsa.illinois.edu
ASNumber:       1224
ASName:         NCSA-AS
ASHandle:       AS1224
RegDate:        1991-02-25
Updated:        1997-10-27    
Ref:            https://rdap.arin.net/registry/autnum/1224


OrgName:        National Center for Supercomputing Applications
OrgId:          NCSA-3
Address:        NCSA
Address:        1205 W. Clark St
City:           Urbana
StateProv:      IL
PostalCode:     61801
Country:        US
RegDate:        1990-03-26
Updated:        2011-04-06
Ref:            https://rdap.arin.net/registry/entity/NCSA-3


OrgTechHandle: ND63-ORG-ARIN
OrgTechName:   Network Development
OrgTechPhone:  +1-217-244-2909 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ND63-ORG-ARIN

OrgAbuseHandle: ND63-ORG-ARIN
OrgAbuseName:   Network Development
OrgAbusePhone:  +1-217-244-2909 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ND63-ORG-ARIN

RTechHandle: ND63-ORG-ARIN
RTechName:   Network Development
RTechPhone:  +1-217-244-2909 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/ND63-ORG-ARIN