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ASN Lookup Tool
AS131971 NW-SEC-EXP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS131971
Organisation
Japan Network Information Center
Name
NW-SEC-EXP
Total IPv4 Addresses
256
Total IPv4 Prefixes
2
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#74,136 out of 77,427
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
AS2515
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).

Prefix202.1.208.0/22
Range From202.1.208.0
Range To202.1.211.255
Prefix202.1.212.0/22
Range From202.1.212.0
Range To202.1.215.255
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.