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ASN Lookup Tool
AS4201 ORST-AS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4201
Organisation
Oregon State University
Name
ORST-AS
Total IPv4 Addresses
65792
Total IPv4 Prefixes
2
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,904 out of 76,380
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1995-01-05
Registration Last Change
2023-02-23
Receiving From

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

ASN
Organisation
AS4600
US flagUniversity of Oregon
AS3701
US flagUniversity of Oregon
IPv4 Active Prefixes

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

Prefix128.193.0.0/16
Range From128.193.0.0
Range To128.193.255.255
Prefix199.201.139.0/24
Range From199.201.139.0
Range To199.201.139.255
IPv6 Active Prefixes
Prefix2620:105:f000::/40
Range From2620:105:f000::
Range To2620:105:f0ff: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.