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South Korea (KR)RPKI 0%

Ranked #6 worldwide by IPv4 address space.

IPv4 held

112.5M

6.7 × /8

IPv6 held

346.6M

/48 blocks

AS numbers

164

allocated

World rank

by IPv4

Deep profile

How South Korea ranks worldwide on dormant space, the transfer market, routing security and address density.

All rankings →

Dark IPv4

#16 of 241

Allocated but unrouted

Net buyer

+32.8K

Net buyer · #51 of 241

RPKI rank

#47 of 49

By IPv4 ROA coverage

Per-capita rank

#9 of 241

2.17 IPs / person

IPv6 adoption

APNIC-measured end-user deployment.

Capable28.6%

Preferred28.1%

Routing hygiene

Clean prefixes (valid RPKI + IRR, no mismatch).

48/100

323 clean of 22,602 prefixes

2 RPKI-invalid

Resource history

Cumulative IPv4, IPv6, and ASN allocations to South Korea over time.

Top 10 local networks

The largest autonomous systems registered to South Korea by IPv4 footprint.

All networks →

AS	Holder	IPv4	Prefixes
AS4766KR	KIXS-AS-KR-KR - Korea Telecom	69.9M	2,160
AS9318KR	SKB-AS-KR - SK Broadband Co Ltd	25.8M	837
AS17858KR	POWERVIS-AS-KR-KR - LG POWERCOMM	20.6M	212
AS3786KR	LGDACOM-KR - LG DACOM Corporation	8.7M	949
AS9644KR	SKTELECOM-NET-AS-KR - SK Telecom	7.3M	39

Compare with neighbors

South Korea against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.

Open compare tool →

KP North Korea

Routing security (RPKI)

Share of announced address space covered by valid Route Origin Authorizations.

ipv4RPKI 0%

617 valid2 invalid20,894 not found642.6K / 160.8M addrs

ipv6RPKI 4%

52 valid0 invalid1,037 not found139.8K / 3.5M addrs

Networks in this country

1,177 autonomous systems registered to South Korea. Click an AS for detail.

AS	Holder	IPv4 ↓	IPv6 /48	Prefixes
AS45401KR	NICEVAN02-AS-KR-KR - NICE Information Telecommunication, Inc	512	—	2
AS45971KR	FSIISAC-AS-KR-KR - Financial Security Institute	512	—	2
AS131850KR	HANAINSDMZ-AS-KR-KR - Hana Insurance Co., Ltd.	512	—	2
AS9841KR