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ASN Lookup Tool
AS33703 HOFSTRA-UNIVERSITY

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33703
Organisation
Hofstra University
Name
HOFSTRA-UNIVERSITY
Total IPv4 Addresses
65536
Total IPv4 Prefixes
2
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,346 out of 77,316
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2005-03-01
Registration Last Change
2013-12-18
Receiving From

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

ASN
Organisation
AS46887
US flagCrown Castle Fiber LLC
AS54004
US flagOptimum WiFi
AS3630
US flagNYSERNet
AS3754
US flagNYSERNet
IPv4 Active Prefixes

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

Prefix147.4.0.0/17
Range From147.4.0.0
Range To147.4.127.255
Prefix147.4.128.0/17
Range From147.4.128.0
Range To147.4.255.255
IPv6 Active Prefixes
Prefix2620:10a:d000::/44
Range From2620:10a:d000::
Range To2620:10a:d00f:ffff:ffff:ffff:ffff:ffff
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.