AS Number
AS103
AS Name
NWU-AS
Org Name
Northwestern University
Registry

arin

RegDate

2010-01-08

Updated

2012-05-11

AS103 Looking Glass
IPv4Prefixes

23

IPv6Prefixes

1

IPv4 NUMs

150,016

IPv6 NUMs(/64)

8,388,608

150,016 IPv4 Addresses
CIDR Description IP Num
8.28.178.0/23
IRR Valid
Level 3 Parent, LLC 512
8.30.248.0/22
IRR Valid
Level 3 Parent, LLC 1024
38.124.97.0/24
IRR Valid
PSINet, Inc. 256
129.105.0.0/24
IRR Parent Valid
Northwestern University 256
129.105.0.0/16
IRR Valid
Northwestern University 65536
165.124.0.0/17
IRR Valid
Northwestern University 32768
165.124.128.0/19
IRR Parent Valid
Northwestern University 8192
165.124.160.0/20
IRR Valid
Northwestern University 4096
165.124.176.0/21
IRR Parent Valid
Northwestern University 2048
165.124.184.0/22
IRR Valid
Northwestern University 1024
165.124.192.0/19
IRR Parent Valid
Northwestern University 8192
165.124.224.0/21
IRR Parent Valid
Northwestern University 2048
165.124.232.0/22
IRR Valid
Northwestern University 1024
165.124.240.0/20
IRR Parent Valid
Northwestern University 4096
192.5.143.0/24
IRR Valid
Northwestern University 256
192.26.85.0/24
IRR Valid
Northwestern University 256
192.26.86.0/23
IRR Valid
Northwestern University 512
192.31.155.0/24
IRR Valid
Northwestern University 256
192.31.253.0/24
IRR Valid
Northwestern University 256
199.74.64.0/18
IRR Valid
Northwestern University 16384
199.249.165.0/24
IRR Valid
Northwestern University 256
199.249.166.0/23
IRR Valid
Northwestern University 512
199.249.168.0/23
IRR InValid
Northwestern University 512
CIDR Description IP NUMs(prefix /64)
2620:10d:2000::/41
IRR Parent Valid
Northwestern University 8388608
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS11164 INTERNET2-I2PX - Internet2, US United States 1,280 131,072 IPv4 IPv4
AS22335 MREN - Metropolitan Research and Education Network, US United States 256 0 IPv4 IPv4 IPv6 IPv6
AS40387 UI-ICCN - University of Illinois, US United States 2,048 65,536 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 27,245,824 228,845,682,688 IPv4 IPv4
AS293 ESNET, US United States 152,576 4,295,098,368 IPv4 IPv4
AS2381 WISCNET1-AS - WiscNet, US United States 599,808 4,311,744,512 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,523,200 81,623,784,448 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
129.105.1.16 2 msecore.ms.northwestern.edu
129.105.1.18 2 dunand.northwestern.edu
129.105.1.30 20 addis.ms.northwestern.edu
129.105.1.31 1 thermoelectrics.matsci.northwestern.edu
129.105.1.57 2 analytics-dev.tech.northwestern.edu
129.105.1.59 1 rocs.northwestern.edu
129.105.1.65 1 abmplus.tech.northwestern.edu
129.105.1.73 2 newton.esam.northwestern.edu
129.105.1.87 1 mpm.northwestern.edu
129.105.1.89 1 aztec.tech.northwestern.edu
ASNumber:       103
ASName:         NWU-AS
ASHandle:       AS103
RegDate:        1987-04-09
Updated:        2012-04-02    
Ref:            https://rdap.arin.net/registry/autnum/103


OrgName:        Northwestern University
OrgId:          NORTHW-9-Z
Address:        Leverone Hall #G-166
Address:        2001 Sheridan Rd
City:           Evanston
StateProv:      IL
PostalCode:     60208
Country:        US
RegDate:        2010-01-08
Updated:        2012-05-11
Ref:            https://rdap.arin.net/registry/entity/NORTHW-9-Z


OrgTechHandle: NUNA-ARIN
OrgTechName:   Northwestern University Network Administration
OrgTechPhone:  +1-847-467-2222 
OrgTechEmail:  data-network@northwestern.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NUNA-ARIN

OrgAbuseHandle: NUNS-ARIN
OrgAbuseName:   Northwestern University Network Security
OrgAbusePhone:  +1-847-467-2222 
OrgAbuseEmail:  security@northwestern.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NUNS-ARIN

RAbuseHandle: NUNS-ARIN
RAbuseName:   Northwestern University Network Security
RAbusePhone:  +1-847-467-2222 
RAbuseEmail:  security@northwestern.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/NUNS-ARIN

RTechHandle: NUNA-ARIN
RTechName:   Northwestern University Network Administration
RTechPhone:  +1-847-467-2222 
RTechEmail:  data-network@northwestern.edu
RTechRef:    https://rdap.arin.net/registry/entity/NUNA-ARIN

RNOCHandle: NUN-ARIN
RNOCName:   Northwestern University NOC
RNOCPhone:  +1-847-467-2222 
RNOCEmail:  data-network@northwestern.edu
RNOCRef:    https://rdap.arin.net/registry/entity/NUN-ARIN