Home ASN LookupAS18023

AS18023 KMU-AS-KR Korea Maritime and Ocean University

🇰🇷

Org handle: A9149F3E

Korea Maritime and Ocean University

APNICallocated

Announced Prefixes (BGP)

41total

41 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)1,024

Announced (BGP)21,760

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

🇰🇷 KR

RIR

APNIC

Status

allocated

Allocated

2002-12-05

Announced Prefixes

(BGP)41

Prefix	RPKI	IRR	Last Seen
61.82.252.0/22	No ROA	Other IRR	2026-10-09
61.82.252.0/23	No ROA	Other IRR	2026-10-09
61.82.254.0/23	No ROA	Other IRR	2026-10-09
121.144.249.0/24	No ROA	Other IRR	2026-10-09
121.144.250.0/24	No ROA	Other IRR	2026-10-09
203.230.240.0/23	No ROA	Other IRR	2026-10-09
203.230.240.0/24	No ROA	Other IRR	2026-10-09
203.230.241.0/24	No ROA	Other IRR	2026-10-09
203.230.242.0/23	No ROA	-	2026-10-09
203.230.242.0/24	No ROA	Other IRR	2026-10-09

1-10 of 41

1 / 5

Allocated Prefixes

(RIR)1

Prefix	Country	RIR	Status
203.255.212.0/22	🇰🇷 KR	APNIC	allocated

All 41 announced prefixes of AS18023 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS18023 hands its own prefixes to: transit providers, or peers at an exchange.

AS4766KIXS KR Korea Telecom26
AS3786LGDACOM LG DACOM Corporation15

ASPA

No ASPA

External Links

APNIC Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS18023 should publish an ASPA object
IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/18023

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

curl -s "https://api.ipctl.io/v1/asn/18023" | jq