AS18031 SANGMYUNG-AS-KR Sangmyung University

🇰🇷

Org handle: A9149F3E

Sangmyung University

APNICallocated

Announced Prefixes (BGP)

19total

19 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)9,216

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2002-12-09

Announced Prefixes

(BGP)19

Prefix	RPKI	IRR	Last Seen
61.72.126.0/23	No ROA	Other IRR	2026-10-10
61.72.128.0/23	No ROA	Other IRR	2026-10-10
61.73.57.0/24	No ROA	-	2026-10-10
117.16.40.0/21	No ROA	Other IRR	2026-10-10
117.16.48.0/24	No ROA	Other IRR	2026-10-10
117.16.108.0/24	No ROA	Other IRR	2026-10-10
117.16.109.0/24	No ROA	Other IRR	2026-10-10
117.16.110.0/24	No ROA	Other IRR	2026-10-10
117.16.111.0/24	No ROA	Other IRR	2026-10-10
117.16.122.0/23	No ROA	Other IRR	2026-10-10

1-10 of 19

1 / 2

(seen in AS paths)

Networks AS18031 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

External Links

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 AS18031 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

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

curl -s "https://api.ipctl.io/v1/asn/18031" | jq