AS4665 — YONSEI-AS-KR Yonsei University(KR)

Nutrition Label

Routing footprint

AS4665 announces 33 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

• 1.233.239.0/24
• 1.233.240.0/24
• 1.233.241.0/24
• 1.233.242.0/24
• 1.233.243.0/24
• 1.233.244.0/24
• 1.233.245.0/24
• 1.233.246.0/24
• 1.233.247.0/24
• 1.233.248.0/24
• 1.233.249.0/24
• 1.233.250.0/24
• 1.233.251.0/24
• 1.233.252.0/24
• 1.233.253.0/24
• 1.233.254.0/24
• 1.233.255.0/24
• 1.234.18.0/23
• 1.235.10.0/23
• 1.235.101.0/24
• 1.235.138.0/24
• 1.235.198.0/23
• 1.235.208.0/23
• 1.235.218.0/23
• 1.232.0.0/13

Peering ecosystem

3 distinct peers via BGP. The first 3 are listed below.

Blast radius

Approximate count of dependent hostnames if AS4665 disappeared from the routing table.

No dependent hostnames recorded for this network.Snapshot Wed, 20 May 2026 21:54:32 GMT.

MOAS / hijack watch

Prefixes routed by AS4665 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

No active MOAS conflicts. Every prefix announced by AS4665 is unique to AS4665 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS4665.

• Country · KR
• Peer · LGDACOM LG DACOM CorporationAS3786
• Prefix · 1.233.239.0/24
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP
• Whisper Internet Directory — home

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS4665"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.