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ASN Lookup Tool
AS21633 DOI-NBC-NET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21633
Organisation
U.S. Department of the Interior
Name
DOI-NBC-NET
Total IPv4 Addresses
4,608
Total IPv4 Prefixes
4
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#14,890 out of 79,115
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2001-06-01
Registration Last Change
2023-11-17
Receiving From

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

ASN
Organisation
AS3549
US flagLevel 3 Parent, LLC
AS22284
US flagU.S. Department of the Interior
IPv4 Active Prefixes

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

PrefixRange FromRange To
137.227.96.0/21137.227.96.0137.227.103.255
137.227.192.0/21137.227.192.0137.227.199.255
205.173.0.0/24205.173.0.0205.173.0.255
205.173.4.0/24205.173.4.0205.173.4.255