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ASN Lookup Tool
AS4672 ASN-IBMNET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4672
Organisation
IBM USF in JAPAN
Name
ASN-IBMNET
Total IPv4 Addresses
8192
Total IPv4 Prefixes
17
Total IPv6 Prefixes
6
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#11,181 out of 77,268
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
AS4713
JP flagNTT Communications Corporation
AS2497
JP flagInternet Initiative Japan Inc.
IPv4 Active Prefixes

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

Prefix210.89.0.0/21
Range From210.89.0.0
Range To210.89.7.255
Prefix210.89.8.0/23
Range From210.89.8.0
Range To210.89.9.255
Prefix210.89.10.0/24
Range From210.89.10.0
Range To210.89.10.255
Prefix210.89.11.0/24
Range From210.89.11.0
Range To210.89.11.255
Prefix210.89.12.0/23
Range From210.89.12.0
Range To210.89.13.255
Showing 5 of 17
IPv6 Active Prefixes
Prefix2402:1e80::/52
Range From2402:1e80::
Range To2402:1e80:0:fff:ffff:ffff:ffff:ffff
Prefix2402:1e80:0:1000::/52
Range From2402:1e80:0:1000::
Range To2402:1e80:0:1fff:ffff:ffff:ffff:ffff
Prefix2402:1e80:0:2000::/52
Range From2402:1e80:0:2000::
Range To2402:1e80:0:2fff:ffff:ffff:ffff:ffff
Prefix2402:1e80:0:3000::/52
Range From2402:1e80:0:3000::
Range To2402:1e80:0:3fff:ffff:ffff:ffff:ffff
Prefix2402:1e80:0:4000::/50
Range From2402:1e80:0:4000::
Range To2402:1e80:0:7fff:ffff:ffff:ffff:ffff
Showing 5 of 6
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.