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ASN Lookup Tool
AS2734 CORESITE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS2734
Organisation
CoreSite
Name
CORESITE
Total IPv4 Addresses
35072
Total IPv4 Prefixes
78
Total IPv6 Prefixes
21
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,841 out of 77,436
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2009-09-01
Registration Last Change
2012-03-02
Receiving From

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

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS3257
US flagGTT Communications Inc.
AS36351
US flagSoftLayer Technologies Inc.
AS3303
CH flagSwisscom (Schweiz) AG
AS9498
IN flagBharti Airtel Limited
Showing 5 of 47
Transit To

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

 

ASN
Organisation
AS11333
US flagCyberTrails
AS30149
US flagThe Goldman Sachs Group, Inc.
AS10255
US flagSinister and Solitary
AS398079
US flagEminent, Inc
AS22330
US flagCatalina Marketing Corporation
Showing 5 of 10
IPv4 Active Prefixes

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

Prefix8.19.249.0/24
Range From8.19.249.0
Range To8.19.249.255
Prefix8.41.2.0/24
Range From8.41.2.0
Range To8.41.2.255
Prefix8.47.37.0/24
Range From8.47.37.0
Range To8.47.37.255
Prefix66.35.64.0/23
Range From66.35.64.0
Range To66.35.65.255
Prefix66.35.66.0/24
Range From66.35.66.0
Range To66.35.66.255
Showing 5 of 78
IPv6 Active Prefixes
Prefix2604:3fc0:2000::/36
Range From2604:3fc0:2000::
Range To2604:3fc0:2fff:ffff:ffff:ffff:ffff:ffff
Prefix2604:3fc0:3000::/36
Range From2604:3fc0:3000::
Range To2604:3fc0:3fff:ffff:ffff:ffff:ffff:ffff
Prefix2605:6c00::/48
Range From2605:6c00::
Range To2605:6c00:0:ffff:ffff:ffff:ffff:ffff
Prefix2605:6c00:1::/48
Range From2605:6c00:1::
Range To2605:6c00:1:ffff:ffff:ffff:ffff:ffff
Prefix2605:6c00:2::/48
Range From2605:6c00:2::
Range To2605:6c00:2:ffff:ffff:ffff:ffff:ffff
Showing 5 of 21
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.