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ASN Lookup Tool
AS12129 123NET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12129
Organisation
123.Net, Inc.
Name
123NET
Total IPv4 Addresses
166400
Total IPv4 Prefixes
112
Total IPv6 Prefixes
25
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,267 out of 77,324
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1999-03-30
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
AS174
US flagCogent Communications
AS3257
US flagGTT Communications Inc.
AS2914
US flagNTT America, Inc.
AS36351
US flagSoftLayer Technologies Inc.
Showing 5 of 27
Transit To

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

 

ASN
Organisation
AS19748
US flagSector Link LLC.
AS394769
US flagUniversity of Michigan - Flint
AS22379
US flagManifold Services Inc
AS393256
US flagDTE Energy Company
AS46208
US flagPeninsula Fiber Network, LLC
Showing 5 of 79
IPv4 Active Prefixes

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

Prefix37.221.109.0/24
Range From37.221.109.0
Range To37.221.109.255
Prefix65.183.160.0/21
Range From65.183.160.0
Range To65.183.167.255
Prefix65.183.168.0/22
Range From65.183.168.0
Range To65.183.171.255
Prefix65.183.173.0/24
Range From65.183.173.0
Range To65.183.173.255
Prefix65.183.174.0/23
Range From65.183.174.0
Range To65.183.175.255
Showing 5 of 112
IPv6 Active Prefixes
Prefix2606:6680:29::/48
Range From2606:6680:29::
Range To2606:6680:29:ffff:ffff:ffff:ffff:ffff
Prefix2606:6680:30::/48
Range From2606:6680:30::
Range To2606:6680:30:ffff:ffff:ffff:ffff:ffff
Prefix2607:f790::/33
Range From2607:f790::
Range To2607:f790:7fff:ffff:ffff:ffff:ffff:ffff
Prefix2607:f790:8000::/34
Range From2607:f790:8000::
Range To2607:f790:bfff:ffff:ffff:ffff:ffff:ffff
Prefix2607:f790:c000::/35
Range From2607:f790:c000::
Range To2607:f790:dfff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 25
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.