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ASN Lookup Tool
AS103 NWU-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS103
Organisation
Northwestern University
Name
NWU-AS
Total IPv4 Addresses
149,500
Total IPv4 Prefixes
36
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,398 out of 79,016
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1987-04-09
Registration Last Change
2012-04-02
Receiving From
ASN
Organisation
AS396450
US flagInternet2
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications, LLC
AS33491
US flagComcast Cable Communications, LLC
AS293
US flagESnet
Showing 5 of 10
IPv4 Active Prefixes
PrefixRange FromRange To
8.28.178.0/238.28.178.08.28.179.255
8.30.248.0/228.30.248.08.30.251.255
38.124.97.0/2438.124.97.038.124.97.255
129.105.0.0/16129.105.0.0129.105.255.255
165.124.0.0/20165.124.0.0165.124.15.255
Showing 5 of 36
IPv6 Active Prefixes
PrefixRange FromRange To
2620:10d:2000::/412620:10d:2000::2620:10d:207f:ffff:ffff:ffff:ffff:ffff