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ASN Lookup Tool
AS21556 NARC-EROOT

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21556
Organisation
National Aeronautics and Space Administration
Name
NARC-EROOT
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#56,450 out of 79,282
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2024-03-21
Receiving From
ASN
Organisation
AS13335
US flagCloudflare, Inc.
AS297
US flagNational Aeronautics and Space Administration
AS42
US flagWoodyNet, Inc.
IPv4 Active Prefixes
PrefixRange FromRange To
192.12.28.0/24192.12.28.0192.12.28.255
192.203.230.0/24192.203.230.0192.203.230.255
IPv6 Active Prefixes
PrefixRange FromRange To
2001:500:a8::/482001:500:a8::2001:500:a8:ffff:ffff:ffff:ffff:ffff
2620:126:e000::/482620:126:e000::2620:126:e000:ffff:ffff:ffff:ffff:ffff