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ASN Lookup Tool
AS36321 CSTL

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS36321
Organisation
Castle Global Inc.
Name
CSTL
Total IPv4 Addresses
1,792
Total IPv4 Prefixes
5
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#25,462 out of 78,419
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2017-12-11
Registration Last Change
2017-12-11
Receiving From

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

ASN
Organisation
AS174
US flagCogent Communications
AS6461
US flagZayo Bandwidth
AS11404
US flagWave Broadband
IPv4 Active Prefixes

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

Prefix64.124.8.0/24
Range From64.124.8.0
Range To64.124.8.255
Prefix66.187.0.0/23
Range From66.187.0.0
Range To66.187.1.255
Prefix74.80.208.0/24
Range From74.80.208.0
Range To74.80.208.255
Prefix199.83.232.0/23
Range From199.83.232.0
Range To199.83.233.255
Prefix199.184.214.0/24
Range From199.184.214.0
Range To199.184.214.255
IPv6 Active Prefixes
Prefix2620:4e:e000::/48
Range From2620:4e:e000::
Range To2620:4e:e000:ffff:ffff:ffff:ffff:ffff