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ASN Lookup Tool
AS1237 KREONET-AS-KR

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1237
Organisation
KISTI
Name
KREONET-AS-KR
Total IPv4 Addresses
287,596
Total IPv4 Prefixes
312
Total IPv6 Prefixes
154
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#889 out of 78,892
Registry
Apnic
Registered Country
KR flagKR
Registered Country Name
Korea (the Republic of)
Registered Date
Registration Last Change
2020-09-11
Receiving From
ASN
Organisation
AS4766
KR flagKorea Telecom
AS17579
KR flagKISTI
Transit To
ASN
Organisation
AS9488
KR flagSeoul National University
AS1781
KR flagKorea Advanced Institute of Science and Technolo..
AS9686
KR flagSungKyunKwan University (SKKU)
AS9489
KR flagKorea Aerospace Research Institute
AS7564
KR flagKorea Atomic Energy Research Institute
Showing 5 of 44
IPv4 Active Prefixes
PrefixRange FromRange To
134.75.0.0/24134.75.0.0134.75.0.255
134.75.2.0/23134.75.2.0134.75.3.255
134.75.4.0/22134.75.4.0134.75.7.255
134.75.8.0/22134.75.8.0134.75.11.255
134.75.12.0/23134.75.12.0134.75.13.255
Showing 5 of 312
IPv6 Active Prefixes
PrefixRange FromRange To
2001:320::/442001:320::2001:320:f:ffff:ffff:ffff:ffff:ffff
2001:320:10::/462001:320:10::2001:320:13:ffff:ffff:ffff:ffff:ffff
2001:320:14::/482001:320:14::2001:320:14:ffff:ffff:ffff:ffff:ffff
2001:320:16::/472001:320:16::2001:320:17:ffff:ffff:ffff:ffff:ffff
2001:320:18::/452001:320:18::2001:320:1f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 154