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ASN Lookup Tool
AS23817 InfoWeb

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS23817
Organisation
FUJITSU LIMITED 17-25, SHINKAMATA 1-CHOME, OTA-K..
Name
InfoWeb
Total IPv4 Addresses
12,288
Total IPv4 Prefixes
7
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#8,464 out of 77,666
Registry
Apnic
Registered Country
JP flag JP
Registered Country Name
Japan
Registered Date
Registration Last Change
2024-08-15
Receiving From

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

ASN
Organisation
AS17676
JP flagSoftBank Mobile Corp. Tokyo Port City Takeshiba ..
AS2510
JP flagFUJITSU LIMITED
AS24229
JP flagJapan Network Information Center
IPv4 Active Prefixes

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

Prefix202.211.64.0/21
Range From202.211.64.0
Range To202.211.71.255
Prefix202.211.72.0/22
Range From202.211.72.0
Range To202.211.75.255
Prefix202.211.76.0/23
Range From202.211.76.0
Range To202.211.77.255
Prefix202.211.78.0/24
Range From202.211.78.0
Range To202.211.78.255
Prefix202.211.79.0/24
Range From202.211.79.0
Range To202.211.79.255
Showing 5 of 7
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.