HomeASN LookupAS4665

AS4665

🇰🇷

YONSEI-AS-KR-KR - Yonsei UniversityA9149F3E

Yonsei University

APNICallocated
Announced Prefixes (BGP)
33total
33 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)75,008
Announced (BGP)148,992
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇰🇷 KR
RIR
APNIC
Status
allocated
Allocated
12/17/2004

Announced Prefixes

(BGP)33
|
Prefix
RPKI
IRR
Last Seen
1.233.206.0/23
No ROA
RADB
5/17/2026
1.233.208.0/20
No ROA
RADB
5/17/2026
1.233.224.0/22
No ROA
RADB
5/17/2026
1.233.226.0/24
No ROA
RADB
5/17/2026
1.233.228.0/22
No ROA
RADB
5/17/2026
1.233.232.0/22
No ROA
RADB
5/17/2026
1.233.236.0/23
No ROA
RADB
5/17/2026
1.233.238.0/24
No ROA
RADB
5/17/2026
1.233.239.0/24
No ROA
RADB
5/17/2026
1.233.240.0/24
No ROA
RADB
5/17/2026
1–10 of 33
1 / 4

Allocated Prefixes

(RIR)22
Prefix
Country
RIR
Status
1.233.206.0/23🇰🇷 KRAPNICallocated
1.233.208.0/20🇰🇷 KRAPNICallocated
1.233.226.0/24🇰🇷 KRAPNICassigned
1.233.238.0/24🇰🇷 KRAPNICassigned
1.233.239.0/24🇰🇷 KRAPNICassigned
1.233.240.0/24🇰🇷 KRAPNICassigned
1.233.241.0/24🇰🇷 KRAPNICassigned
1.233.242.0/24🇰🇷 KRAPNICassigned
1.233.243.0/24🇰🇷 KRAPNICassigned
1.233.244.0/24🇰🇷 KRAPNICassigned
1–10 of 22
1 / 3
ASPA
No ASPA
External Links
APNIC WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/4665

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/4665" | jq