ASN Lookup Tool
AS101 WASH-NSF-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS101
Organisation
University of Washington
Name
WASH-NSF-AS
Total IPv4 Addresses
12800
Total IPv4 Prefixes
16
Total IPv6 Prefixes
6
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#8,222 out of 76,855
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1987-03-31
Registration Last Change
2021-10-02
Receiving From

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

ASN
Organisation
JP flagJapan Internet Xing Co., Ltd.
US flagLevel 3 Parent, LLC
US flagCogent Communications
CA flagTELUS Communications Inc.
US flagSoftLayer Technologies Inc.
Showing 5 of 35
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
WORLD flagPrivate Use AS
US flagUniversity of Oregon
US flagMicrosoft Corporation
US flagAmazon.com, Inc.
JP flagfor assignment to JPNIC members
Showing 5 of 61
IPv4 Active Prefixes

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

Showing 5 of 16
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.