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ASN Lookup Tool
AS297 AS297

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS297
Organisation
National Aeronautics and Space Administration
Name
AS297
Total IPv4 Addresses
828,416
Total IPv4 Prefixes
89
Total IPv6 Prefixes
49
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#404 out of 78,230
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1989-06-09
Registration Last Change
2024-12-16
Receiving From

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

ASN
Organisation
AS209
US flagCenturyLink Communications, LLC
AS2914
US flagNTT America, Inc.
AS2497
JP flagInternet Initiative Japan Inc.
AS293
US flagESnet
AS6939
US flagHurricane Electric LLC
Showing 5 of 9
Transit To

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

 

ASN
Organisation
AS270
US flagNational Aeronautics and Space Administration
AS10343
US flagNational Aeronautics and Space Administration
AS24
US flagNational Aeronautics and Space Administration
AS1848
US flagNational Aeronautics and Space Administration
AS21556
US flagNational Aeronautics and Space Administration
IPv4 Active Prefixes

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

Prefix128.156.0.0/16
Range From128.156.0.0
Range To128.156.255.255
Prefix129.163.0.0/16
Range From129.163.0.0
Range To129.163.255.255
Prefix129.164.0.0/17
Range From129.164.0.0
Range To129.164.127.255
Prefix156.68.196.0/22
Range From156.68.196.0
Range To156.68.199.255
Prefix158.154.0.0/16
Range From158.154.0.0
Range To158.154.255.255
Showing 5 of 89
IPv6 Active Prefixes
Prefix2001:4d0::/40
Range From2001:4d0::
Range To2001:4d0:ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4d0:100::/45
Range From2001:4d0:100::
Range To2001:4d0:107:ffff:ffff:ffff:ffff:ffff
Prefix2001:4d0:109::/48
Range From2001:4d0:109::
Range To2001:4d0:109:ffff:ffff:ffff:ffff:ffff
Prefix2001:4d0:10a::/47
Range From2001:4d0:10a::
Range To2001:4d0:10b:ffff:ffff:ffff:ffff:ffff
Prefix2001:4d0:10c::/46
Range From2001:4d0:10c::
Range To2001:4d0:10f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 49
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.