ASN Lookup Tool
AS21737 SPRINGNET2-NET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21737
Organisation
SpringNet
Name
SPRINGNET2-NET
Total IPv4 Addresses
24831
Total IPv4 Prefixes
23
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#5,773 out of 76,964
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2001-06-18
Registration Last Change
2005-09-29
Receiving From

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

ASN
Organisation
US flagLevel 3 Parent, LLC
US flagCogent Communications
US flagHurricane Electric LLC
US flagNetActuate, Inc
US flagPeer 1 Internet Service LLC
Transit To

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

 

ASN
Organisation
US flagBass Pro, LLC.
US flagScarsdale Security Systems, Inc.
US flagGreat Southern Bank
US flagSRC Automotive Inc.
IPv4 Active Prefixes

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

Showing 5 of 23
IPv6 Active Prefixes
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.