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ASN Lookup Tool
AS17953 ICO

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS17953
Organisation
BroadBand Security, Inc.
Name
ICO
Total IPv4 Addresses
3052
Total IPv4 Prefixes
4
Total IPv6 Prefixes
4
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#19,534 out of 77,435
Registry
Jpnic
Registered Country
JP flag JP
Registered Country Name
Japan
Registered Date
NA
Registration Last Change
NA
Receiving From

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

ASN
Organisation
AS4694
JP flagIDC Frontier Inc.
IPv4 Active Prefixes

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

Prefix218.223.0.0/22
Range From218.223.0.0
Range To218.223.3.255
Prefix218.223.4.0/22
Range From218.223.4.0
Range To218.223.7.255
Prefix218.223.8.0/22
Range From218.223.8.0
Range To218.223.11.255
Prefix218.223.12.0/22
Range From218.223.12.0
Range To218.223.15.255
IPv6 Active Prefixes
Prefix2404:7a00::/34
Range From2404:7a00::
Range To2404:7a00:3fff:ffff:ffff:ffff:ffff:ffff
Prefix2404:7a00:4000::/34
Range From2404:7a00:4000::
Range To2404:7a00:7fff:ffff:ffff:ffff:ffff:ffff
Prefix2404:7a00:8000::/34
Range From2404:7a00:8000::
Range To2404:7a00:bfff:ffff:ffff:ffff:ffff:ffff
Prefix2404:7a00:c000::/34
Range From2404:7a00:c000::
Range To2404:7a00:ffff:ffff:ffff:ffff:ffff:ffff
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.