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ASN Lookup Tool
AS2152 CSUNET-NW

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS2152
Organisation
California State University, Office of the Chanc..
Name
CSUNET-NW
Total IPv4 Addresses
1965347
Total IPv4 Prefixes
2301
Total IPv6 Prefixes
1114
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#220 out of 77,235
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
AS4766
KR flagKorea Telecom
AS3356
US flagLevel 3 Parent, LLC
AS2516
JP flagKDDI CORPORATION
AS22773
US flagCox Communications Inc.
AS1239
US flagSprint
Showing 5 of 22
Transit To

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

 

ASN
Organisation
AS51078
FR flagZIOSTING SAS
AS4294967034
WORLD flagPrivate Use AS
AS4294967035
WORLD flagPrivate Use AS
AS4216200021
WORLD flagPrivate Use AS
AS4216200001
WORLD flagPrivate Use AS
Showing 5 of 546
IPv4 Active Prefixes

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

Prefix64.39.112.0/20
Range From64.39.112.0
Range To64.39.127.255
Prefix76.78.96.0/21
Range From76.78.96.0
Range To76.78.103.255
Prefix104.249.91.0/24
Range From104.249.91.0
Range To104.249.91.255
Prefix104.249.94.0/24
Range From104.249.94.0
Range To104.249.94.255
Prefix130.17.0.0/23
Range From130.17.0.0
Range To130.17.1.255
Showing 5 of 2301
IPv6 Active Prefixes
Prefix2607:f380::/88
Range From2607:f380::
Range To2607:f380::ff:ffff:ffff
Prefix2607:f380::110:0:0/93
Range From2607:f380::110:0:0
Range To2607:f380::117:ffff:ffff
Prefix2607:f380::118:0:0/97
Range From2607:f380::118:0:0
Range To2607:f380::118:7fff:ffff
Prefix2607:f380::118:8000:0/100
Range From2607:f380::118:8000:0
Range To2607:f380::118:8fff:ffff
Prefix2607:f380::118:9000:0/101
Range From2607:f380::118:9000:0
Range To2607:f380::118:97ff:ffff
Showing 5 of 1114
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.