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ASN Lookup Tool
AS3527 NIH-NET

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3527
Organisation
National Institutes of Health
Name
NIH-NET
Total IPv4 Addresses
329,216
Total IPv4 Prefixes
72
Total IPv6 Prefixes
9
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#767 out of 77,684
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1994-04-07
Registration Last Change
2022-10-28
Receiving From

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

ASN
Organisation
AS19050
US flagU.S. Department of Health & Human Services
AS10886
US flagUniversity of Maryland
AS11537
US flagInternet2
AS11164
US flagInternet2
Transit To

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

 

ASN
Organisation
AS6150
US flagNational Cancer Institute
IPv4 Active Prefixes

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

Prefix128.231.0.0/23
Range From128.231.0.0
Range To128.231.1.255
Prefix128.231.2.0/24
Range From128.231.2.0
Range To128.231.2.255
Prefix128.231.3.0/24
Range From128.231.3.0
Range To128.231.3.255
Prefix128.231.4.0/22
Range From128.231.4.0
Range To128.231.7.255
Prefix128.231.8.0/21
Range From128.231.8.0
Range To128.231.15.255
Showing 5 of 72
IPv6 Active Prefixes
Prefix2607:f220:400::/47
Range From2607:f220:400::
Range To2607:f220:401:ffff:ffff:ffff:ffff:ffff
Prefix2607:f220:403::/48
Range From2607:f220:403::
Range To2607:f220:403:ffff:ffff:ffff:ffff:ffff
Prefix2607:f220:404::/46
Range From2607:f220:404::
Range To2607:f220:407:ffff:ffff:ffff:ffff:ffff
Prefix2607:f220:408::/45
Range From2607:f220:408::
Range To2607:f220:40f:ffff:ffff:ffff:ffff:ffff
Prefix2607:f220:410::/48
Range From2607:f220:410::
Range To2607:f220:410:ffff:ffff:ffff:ffff:ffff
Showing 5 of 9
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.