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ASN Lookup Tool
AS49 US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOG..

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS49
Organisation
National Institute of Standards and Technology
Name
US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOG..
Total IPv4 Addresses
65,536
Total IPv4 Prefixes
25
Total IPv6 Prefixes
7
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,079 out of 79,120
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1985-09-04
Registration Last Change
2024-09-11
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS13335
US flagCloudflare, Inc.
AS3477
US flagNational Oceanic and Atmospheric Administration
IPv4 Active Prefixes
PrefixRange FromRange To
129.6.0.0/21129.6.0.0129.6.7.255
129.6.8.0/22129.6.8.0129.6.11.255
129.6.12.0/23129.6.12.0129.6.13.255
129.6.14.0/24129.6.14.0129.6.14.255
129.6.15.0/24129.6.15.0129.6.15.255
Showing 5 of 25
IPv6 Active Prefixes
PrefixRange FromRange To
2610:20:6000::/372610:20:6000::2610:20:67ff:ffff:ffff:ffff:ffff:ffff
2610:20:6f15::/482610:20:6f15::2610:20:6f15:ffff:ffff:ffff:ffff:ffff
2610:20:6f96::/482610:20:6f96::2610:20:6f96:ffff:ffff:ffff:ffff:ffff
2610:20:6f97::/482610:20:6f97::2610:20:6f97:ffff:ffff:ffff:ffff:ffff
2610:20:6fcd::/482610:20:6fcd::2610:20:6fcd:ffff:ffff:ffff:ffff:ffff
Showing 5 of 7