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ASN Lookup Tool
AS2152 California State University, Office of the Chanc..

An 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.

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ASN Lookup for:

AS2152

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ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS2152
Organisation
California State University, Office of the Chanc..
AS Name
CSUNET-NW
IPv4 Addresses Announced
2,002,622
IPv4 Prefixes Announced
601
IPv6 Prefixes Announced
144
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#217 out of 75,562
Registry
Arin
Registered Country
US
Registration Date
1993-01-14
Registration Change
2022-07-15

Receiving From

ASN
Organisation
AS396450
Internet2
AS3356
Level 3 Parent, LLC
AS2516
KDDI CORPORATION
AS22773
Cox Communications Inc.
AS1239
Sprint
AS36351
SoftLayer Technologies Inc.
AS6461
Zayo Bandwidth
AS8220
COLT Technology Services Group Limited
AS7575
Australian Academic and Research Network
AS293
ESnet
Showing 10 of 19 Results View More >

Transit To

ASN
Organisation
AS51078
ZIOSTING SAS
AS7018
AT&T Services, Inc.
AS8075
Microsoft Corporation
AS4766
Korea Telecom
AS16509
Amazon.com, Inc.
AS3356
Level 3 Parent, LLC
AS2516
KDDI CORPORATION
AS714
Apple Inc.
AS209
CenturyLink Communications, LLC
AS9318
SK Broadband Co Ltd
Showing 10 of 476 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 104.249.91.0/24
Range From 104.249.91.0
Range To 104.249.91.255
Prefix 104.249.94.0/24
Range From 104.249.94.0
Range To 104.249.94.255
Prefix 130.150.0.0/18
Range From 130.150.0.0
Range To 130.150.63.255
Prefix 130.150.128.0/17
Range From 130.150.128.0
Range To 130.150.255.255
Prefix 130.157.0.0/16
Range From 130.157.0.0
Range To 130.157.255.255
Prefix 130.166.0.0/17
Range From 130.166.0.0
Range To 130.166.127.255
Prefix 130.166.128.0/23
Range From 130.166.128.0
Range To 130.166.129.255
Prefix 130.166.130.0/24
Range From 130.166.130.0
Range To 130.166.130.255
Prefix 130.166.132.0/22
Range From 130.166.132.0
Range To 130.166.135.255
Prefix 130.166.136.0/21
Range From 130.166.136.0
Range To 130.166.143.255
Showing 10 of 601 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2607:f380::/48
Range From 2607:f380::
Range To 2607:f380:0:ffff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1::/50
Range From 2607:f380:1::
Range To 2607:f380:1:3fff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1:4000::/51
Range From 2607:f380:1:4000::
Range To 2607:f380:1:5fff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1:6000::/55
Range From 2607:f380:1:6000::
Range To 2607:f380:1:61ff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1:6200::/56
Range From 2607:f380:1:6200::
Range To 2607:f380:1:62ff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1:6300::/56
Range From 2607:f380:1:6300::
Range To 2607:f380:1:63ff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1:6400::/54
Range From 2607:f380:1:6400::
Range To 2607:f380:1:67ff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1:6800::/53
Range From 2607:f380:1:6800::
Range To 2607:f380:1:6fff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1:7000::/52
Range From 2607:f380:1:7000::
Range To 2607:f380:1:7fff:ffff:ffff:ffff:ffff
Prefix 2607:f380:1:8000::/49
Range From 2607:f380:1:8000::
Range To 2607:f380:1:ffff:ffff:ffff:ffff:ffff
Showing 10 of 144 Results View More >