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Whois - get information about the IP / domain / AS number / Company

Results for ASN:
AS103

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#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

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

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

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

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

IPv4 Results:

AS103 Northwestern University
8.28.178.0 - 8.28.179.255
8.30.248.0 - 8.30.251.255
38.124.62.0 - 38.124.63.255
38.124.96.0 - 38.124.99.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255

IPv6 Results:

AS103 Northwestern University
2620:10d:2000:: - 2620:10d:20ff:ffff:ffff:ffff:ffff:ffff Prefix: 40

WHOIS Lookup

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