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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
3,792,456
Total IPv4 Prefixes
193
Total IPv6 Prefixes
25
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#129 out of 77,666
Registry
Radb
Registered Country
JP flag JP
Registered Country Name
Japan
Registered Date
Registration Last Change
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 52
Transit To

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

 

ASN
Organisation
AS151673
CN flagChen Xinyu
AS4216200021
WORLD flagPrivate Use AS
AS4216200001
WORLD flagPrivate Use AS
AS4204000820
WORLD flagPrivate Use AS
AS4200000007
WORLD flagPrivate Use AS
Showing 5 of 909
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 193
IPv6 Active Prefixes
Prefix2001:240::/32
Range From2001:240::
Range To2001:240:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2001:300::/33
Range From2001:300::
Range To2001:300:7fff:ffff:ffff:ffff:ffff:ffff
Prefix2001:300:8000::/34
Range From2001:300:8000::
Range To2001:300:bfff:ffff:ffff:ffff:ffff:ffff
Prefix2001:300:c000::/35
Range From2001:300:c000::
Range To2001:300:dfff:ffff:ffff:ffff:ffff:ffff
Prefix2001:300:e000::/36
Range From2001:300:e000::
Range To2001:300:efff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 25
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.