ASN Lookup Tool
AS30387 NIH-NET-NCCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS30387
Organisation
National Institutes of Health
Name
NIH-NET-NCCS
Total IPv4 Addresses
7936
Total IPv4 Prefixes
16
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#11,380 out of 76,906
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2003-09-26
Registration Last Change
2012-03-02
Receiving From

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

ASN
Organisation
US flagU.S. Department of Health & Human Services
US flagInternet2
US flagUniversity of Maryland
IPv4 Active Prefixes

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

Showing 5 of 16
IPv6 Active Prefixes
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.