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ASN Lookup Tool
AS4713 OCN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4713
Organisation
NTT Communications Corporation
Name
OCN
Total IPv4 Addresses
28,690,358
Total IPv4 Prefixes
208
Total IPv6 Prefixes
21
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#13 out of 78,466
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
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS701
US flagVerizon Business
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
Showing 5 of 28
Transit To

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

 

ASN
Organisation
AS20940
NL flagAkamai International B.V.
AS2914
US flagNTT America, Inc.
AS10013
JP flagFreeBit Co.,Ltd.
AS132203
CN flagShenzhen Tencent Computer Systems Company Limite..
AS2510
JP flagFUJITSU LIMITED
Showing 5 of 123
IPv4 Active Prefixes

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

Prefix27.114.0.0/17
Range From27.114.0.0
Range To27.114.127.255
Prefix27.132.8.0/24
Range From27.132.8.0
Range To27.132.8.255
Prefix27.133.240.0/22
Range From27.133.240.0
Range To27.133.243.255
Prefix36.52.223.0/24
Range From36.52.223.0
Range To36.52.223.255
Prefix58.88.0.0/13
Range From58.88.0.0
Range To58.95.255.255
Showing 5 of 208
IPv6 Active Prefixes
Prefix2001:380::/46
Range From2001:380::
Range To2001:380:3:ffff:ffff:ffff:ffff:ffff
Prefix2001:380:4::/48
Range From2001:380:4::
Range To2001:380:4:ffff:ffff:ffff:ffff:ffff
Prefix2001:380:5::/48
Range From2001:380:5::
Range To2001:380:5:ffff:ffff:ffff:ffff:ffff
Prefix2001:380:6::/47
Range From2001:380:6::
Range To2001:380:7:ffff:ffff:ffff:ffff:ffff
Prefix2001:380:8::/45
Range From2001:380:8::
Range To2001:380:f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 21
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.