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ASN Lookup Tool
AS4665 YONSEI-AS-KR

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4665
Organisation
Yonsei University
Name
YONSEI-AS-KR
Total IPv4 Addresses
65,280
Total IPv4 Prefixes
46
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,651 out of 79,059
Registry
Apnic
Registered Country
KR flagKR
Registered Country Name
Korea (the Republic of)
Registered Date
Registration Last Change
2016-11-28
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS4766
KR flagKorea Telecom
AS9318
KR flagSK Broadband Co Ltd
AS3786
KR flagLG DACOM Corporation
IPv4 Active Prefixes

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

PrefixRange FromRange To
1.233.206.0/231.233.206.01.233.207.255
1.233.208.0/201.233.208.01.233.223.255
1.233.224.0/231.233.224.01.233.225.255
1.233.226.0/241.233.226.01.233.226.255
1.233.227.0/241.233.227.01.233.227.255
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