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ASN Lookup Tool
AS2497 IIJ-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS2497
Organisation
Internet Initiative Japan Inc.
Name
IIJ-AS
Total IPv4 Addresses
3800370
Total IPv4 Prefixes
197
Total IPv6 Prefixes
8
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#137 out of 76,436
Registry
Radb
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
AS7018
US flagAT&T Services, Inc.
AS701
US flagVerizon Business
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
Showing 5 of 51
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS51078
FR flagZIOSTING SAS
AS4200303005
WORLD flagPrivate Use AS
AS4200000210
WORLD flagPrivate Use AS
AS4206346011
WORLD flagPrivate Use AS
AS4216200021
WORLD flagPrivate Use AS
Showing 5 of 862
IPv4 Active Prefixes

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

Prefix49.239.64.0/18
Range From49.239.64.0
Range To49.239.127.255
Prefix58.138.0.0/17
Range From58.138.0.0
Range To58.138.127.255
Prefix58.138.128.0/18
Range From58.138.128.0
Range To58.138.191.255
Prefix61.122.224.0/20
Range From61.122.224.0
Range To61.122.239.255
Prefix61.211.96.0/19
Range From61.211.96.0
Range To61.211.127.255
Showing 5 of 197
IPv6 Active Prefixes
Prefix2001:240::/32
Range From2001:240::
Range To2001:240:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2001:300::/32
Range From2001:300::
Range To2001:300:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2001:48b0::/32
Range From2001:48b0::
Range To2001:48b0:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2400:3980::/32
Range From2400:3980::
Range To2400:3980:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2403:5700::/48
Range From2403:5700::
Range To2403:5700:0:ffff:ffff:ffff:ffff:ffff
Showing 5 of 8
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.