ASN Lookup Tool
AS4373 Online Computer Library Center

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Details

ASN
AS4373
Organisation
Online Computer Library Center
AS Name
OCLC-AS
IPv4 Addresses Announced
68,864
IPv4 Prefixes Announced
28
Bogon Prefixes Announced
0
IPv4 Space Rank
#2,607 out of 75,268
Registry
ARIN
Registered Country
US flag US
Registration Date
1995-02-08
Registration Change
1995-02-08

Receiving From

ASN
Organisation
ASN
Organisation
US flag Level 3 Parent LLC
ASN
Organisation
US flag Level 3 Parent LLC
ASN
Organisation
US flag Cogent Communications
ASN
Organisation
US flag Verizon Business
ASN
Organisation
NL flag Expereo International BV

Active Prefixes

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