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ASN Lookup Tool
AS4373 OCLC-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4373
Organisation
Online Computer Library Center
Name
OCLC-AS
Total IPv4 Addresses
72,448
Total IPv4 Prefixes
29
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,470 out of 79,635
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
1995-02-08
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications, LLC
AS3257
US flagGTT Communications Inc.
AS15830
NL flagEquinix (EMEA) Acquisition Enterprises B.V.
AS13335
US flagCloudflare, Inc.
IPv4 Active Prefixes
PrefixRange FromRange To
38.117.94.0/2438.117.94.038.117.94.255
113.29.23.0/24113.29.23.0113.29.23.255
132.174.0.0/17132.174.0.0132.174.127.255
132.174.128.0/19132.174.128.0132.174.159.255
132.174.160.0/21132.174.160.0132.174.167.255
Showing 5 of 29