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ASN Lookup Tool
AS2153 CSUNET-NE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS2153
Organisation
California State University, Office of the Chanc..
Name
CSUNET-NE
Total IPv4 Addresses
2816
Total IPv4 Prefixes
7
Total IPv6 Prefixes
33
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#19,827 out of 76,385
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1993-01-14
Registration Last Change
2022-07-15
Receiving From

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

ASN
Organisation
AS4600
US flagUniversity of Oregon
AS2152
US flagCalifornia State University, Office of the Chanc..
AS7575
AU flagAustralian Academic and Research Network
AS293
US flagESnet
AS101
US flagUniversity of Washington
Showing 5 of 7
Transit To

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

 

ASN
Organisation
AS4600
US flagUniversity of Oregon
AS8075
US flagMicrosoft Corporation
AS7377
US flagUniversity of California, San Diego
AS2907
JP flagfor assignment to JPNIC members
AS7545
AU flagTPG Internet Pty Ltd
Showing 5 of 69
IPv4 Active Prefixes

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

Prefix137.164.17.0/24
Range From137.164.17.0
Range To137.164.17.255
Prefix137.164.25.0/24
Range From137.164.25.0
Range To137.164.25.255
Prefix137.164.26.0/23
Range From137.164.26.0
Range To137.164.27.255
Prefix137.164.28.0/24
Range From137.164.28.0
Range To137.164.28.255
Prefix146.244.204.0/22
Range From146.244.204.0
Range To146.244.207.255
Showing 5 of 7
IPv6 Active Prefixes
Prefix2001:468:e00::/40
Range From2001:468:e00::
Range To2001:468:eff:ffff:ffff:ffff:ffff:ffff
Prefix2607:f380::100:0:0/92
Range From2607:f380::100:0:0
Range To2607:f380::10f:ffff:ffff
Prefix2607:f380:1::100:0:0/93
Range From2607:f380:1::100:0:0
Range To2607:f380:1::107:ffff:ffff
Prefix2607:f380:1::108:0:0/97
Range From2607:f380:1::108:0:0
Range To2607:f380:1::108:7fff:ffff
Prefix2607:f380:1::108:8000:0/100
Range From2607:f380:1::108:8000:0
Range To2607:f380:1::108:8fff:ffff
Showing 5 of 33
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.