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API Packages
IP Geolocation
Reverse Geocoding
Phone & Email Verification
Network Engineering
Free API
Tools
What is my IP?
IP Lookup
ASN Lookup
Network Lookup
Insights
Daily IP Geolocation Accuracy Report
ASN Rank by IPv4 space
Tor Exit Nodes
Bogon Routes
IPv4 Address Space Report
IPv6 Address Space Report
Resources
Getting Started
Support Articles
Blog
Sign In
Sign Up
ASN Lookup Tool
AS21737 SPRINGNET2-NET
Powered By:
ASN Extended Info API
&
BGP Active Prefixes API
Home
Asn Lookup
As21737
ASN DETAILS
MAP
JSON VIEW
ASN Details
ASN
AS21737
Organisation
SpringNet
Name
SPRINGNET2-NET
Total IPv4 Addresses
24,812
Total IPv4 Prefixes
23
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#5,745 out of 79,227
Registry
Arin
Registered Country
US
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2005-09-29
Receiving From
ASN
Organisation
AS3356
Level 3 Parent, LLC
AS174
Cogent Communications, LLC
AS2914
NTT America, Inc.
AS1299
Arelion Sweden AB
AS36236
NetActuate, Inc
Showing 5 of 6
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Transit To
ASN
Organisation
AS63051
Critical Hosting Solutions LLC
AS33252
Bass Pro, LLC.
AS21835
Scarsdale Security Systems, Inc.
AS393977
Great Southern Bank
AS30628
SRC Automotive Inc.
Showing 5 of 6
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IPv4 Active Prefixes
Prefix
Range From
Range To
64.22.224.0/24
64.22.224.0
64.22.224.255
64.22.225.0/24
64.22.225.0
64.22.225.255
64.22.226.0/23
64.22.226.0
64.22.227.255
64.22.228.0/22
64.22.228.0
64.22.231.255
64.22.232.0/21
64.22.232.0
64.22.239.255
Showing 5 of 23
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IPv6 Active Prefixes
Prefix
Range From
Range To
2001:49b8::/32
2001:49b8::
2001:49b8:ffff:ffff:ffff:ffff:ffff:ffff
Lookup
Enter AS Number eg: AS714 or 714