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ASN Lookup Tool
AS3140 TJHSST-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3140
Organisation
The Thomas Jefferson High School for Science and..
Name
TJHSST-AS
Total IPv4 Addresses
4,096
Total IPv4 Prefixes
1
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#16,523 out of 77,682
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1993-11-22
Registration Last Change
2018-04-05
Receiving From

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

ASN
Organisation
AS40220
US flagVirginia Polytechnic Institute and State Univ.
IPv4 Active Prefixes

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

Prefix198.38.16.0/20
Range From198.38.16.0
Range To198.38.31.255
IPv6 Active Prefixes
Prefix2001:468:cc0::/48
Range From2001:468:cc0::
Range To2001:468:cc0: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.