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ASN Lookup Tool
AS102 NSF-HQ-AS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS102
Organisation
National Science Foundation
Name
NSF-HQ-AS
Total IPv4 Addresses
66048
Total IPv4 Prefixes
3
Total IPv6 Prefixes
3
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,842 out of 77,321
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1987-03-31
Registration Last Change
2017-12-15
Receiving From

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

ASN
Organisation
AS6223
US flagCenturyLink Communications, LLC
IPv4 Active Prefixes

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

Prefix128.150.0.0/16
Range From128.150.0.0
Range To128.150.255.255
Prefix192.12.209.0/24
Range From192.12.209.0
Range To192.12.209.255
Prefix198.181.231.0/24
Range From198.181.231.0
Range To198.181.231.255
IPv6 Active Prefixes
Prefix2001:428:2500:1c::/64
Range From2001:428:2500:1c::
Range To2001:428:2500:1c:ffff:ffff:ffff:ffff
Prefix2001:428:9002:f806::/64
Range From2001:428:9002:f806::
Range To2001:428:9002:f806:ffff:ffff:ffff:ffff
Prefix2620:10f:6000::/40
Range From2620:10f:6000::
Range To2620:10f:60ff:ffff:ffff:ffff:ffff:ffff
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.