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ASN Lookup Tool
AS102 NSF-HQ-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS102
Organisation
U.S. National Science Foundation
Name
NSF-HQ-AS
Total IPv4 Addresses
66,048
Total IPv4 Prefixes
3
Total IPv6 Prefixes
3
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,868 out of 79,122
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1987-03-31
Registration Last Change
2025-02-11
Receiving From
ASN
Organisation
AS6223
US flagCenturyLink Communications, LLC
IPv4 Active Prefixes
PrefixRange FromRange To
128.150.0.0/16128.150.0.0128.150.255.255
192.12.209.0/24192.12.209.0192.12.209.255
198.181.231.0/24198.181.231.0198.181.231.255
IPv6 Active Prefixes
PrefixRange FromRange To
2001:428:2500:1c::/642001:428:2500:1c::2001:428:2500:1c:ffff:ffff:ffff:ffff
2001:428:9002:f806::/642001:428:9002:f806::2001:428:9002:f806:ffff:ffff:ffff:ffff
2620:10f:6000::/402620:10f:6000::2620:10f:60ff:ffff:ffff:ffff:ffff:ffff