ASN Lookup Tool
AS1742 HARVARD-UNIV

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1742
Organisation
Harvard University
Name
HARVARD-UNIV
Total IPv4 Addresses
203520
Total IPv4 Prefixes
41
Total IPv6 Prefixes
11
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,106 out of 76,859
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1992-02-19
Registration Last Change
2023-12-21
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
US flagLevel 3 Parent, LLC
US flagCogent Communications
US flagHarvard University
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
US flagLongwood Medical and Academic Area (LMA)
US flagHarvard Business School
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Range From65.112.0.0
Showing 5 of 41
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.