AS Name
U-CHICAGO-AS
Org Name
University of Chicago
Registry Region
United States
Looking Glass
IPv4Prefixes

6

IPv6Prefixes

2

IPv4 NUMs

114,944

IPv6 NUMs(/64)

131,072

114,944 IPv4 Addresses
CIDR Description IP Num
128.135.0.0/24 University of Chicago 256
128.135.0.0/16 University of Chicago 65536
192.5.85.0/24 University of Chicago 256
192.170.192.0/18 University of Chicago 16384
192.170.224.0/19 University of Chicago 8192
205.208.0.0/17 University of Chicago 32768
CIDR Description IP NUMs(prefix /64)
2605:9a00::/48 University of Chicago 65536
2605:9a00:10::/48 University of Chicago 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,500,032 310,095,347,712 IPv4 IPv4 IPv6 IPv6
AS293 ESNET, US United States 132,864 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS2381 WISCNET1-AS - WiscNet, US United States 566,016 4,311,744,512 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 38,468,164 25,789,661,440 IPv4 IPv4 IPv6 IPv6
AS40387 UI-ICCN - University of Illinois, US United States 2,048 65,536 IPv4 IPv4
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
AS11537 INTERNET2-RESEARCH-EDU - Internet2, US United States 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS19782 INDIANAGIGAPOP - Indiana University, US United States 32,768 4,294,967,296 IPv4 IPv4
AS22335 MREN - Metropolitan Research and Education Network, US United States 256 0 IPv4 IPv4
ASNumber:       160
ASName:         U-CHICAGO-AS
ASHandle:       AS160
RegDate:        1988-02-25
Updated:        2012-01-17    
Ref:            https://rdap.arin.net/registry/autnum/160


OrgName:        University of Chicago
OrgId:          UNIVER-174
Address:        1155 E. 60th Street
City:           Chicago
StateProv:      IL
PostalCode:     60637
Country:        US
RegDate:        1986-07-08
Updated:        2020-03-05
Ref:            https://rdap.arin.net/registry/entity/UNIVER-174


OrgTechHandle: DOMAI99-ARIN
OrgTechName:   Domain Administrator
OrgTechPhone:  +1-773-834-5441 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DOMAI99-ARIN

OrgAbuseHandle: NSC26-ARIN
OrgAbuseName:   Network Security Center
OrgAbusePhone:  +1-773-702-2378 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NSC26-ARIN

OrgNOCHandle: DNO22-ARIN
OrgNOCName:   Data Network Operations
OrgNOCPhone:  +1-773-702-9100 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/DNO22-ARIN

RTechHandle: DNO22-ARIN
RTechName:   Data Network Operations
RTechPhone:  +1-773-702-9100 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/DNO22-ARIN