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ASN Lookup Tool
AS17941 BIT-ISLE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS17941
Organisation
2-2-28 Higashi-Shinagawa, Shinagawa-ku,Tokyo,140..
Name
BIT-ISLE
Total IPv4 Addresses
144,477
Total IPv4 Prefixes
61
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,416 out of 77,536
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
AS15830
NL flagEquinix (EMEA) Acquisition Enterprises B.V.
AS132132
SG flagRepublic Telecom
Transit To

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

 

ASN
Organisation
AS132146
HK flagRich Top EC Limited
AS21534
US flagBroadSoft, Inc.
AS135140
HK flagQun Ying Network Technology (Hong Kong) Co., Lim..
AS26063
US flagAlcon Labs, Inc.
AS55953
HK flagXIMBO Internet Limited
Showing 5 of 6
IPv4 Active Prefixes

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

Prefix5.252.184.0/22
Range From5.252.184.0
Range To5.252.187.255
Prefix45.130.76.0/22
Range From45.130.76.0
Range To45.130.79.255
Prefix89.190.148.0/22
Range From89.190.148.0
Range To89.190.151.255
Prefix101.97.0.0/19
Range From101.97.0.0
Range To101.97.31.255
Prefix103.7.198.0/23
Range From103.7.198.0
Range To103.7.199.255
Showing 5 of 61
IPv6 Active Prefixes
Prefix2402:c600::/32
Range From2402:c600::
Range To2402:c600:ffff:ffff:ffff:ffff:ffff:ffff
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.