AS23600 Korea Internet Security Agency 🇰🇷 KR

Announcing 22 prefixes, seen at the RIS collectors.

IPv4 prefixes
17
4,352 (17 × /24)
IPv6 prefixes
5
5 × /48
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
11
ASes reachable through it

Registry and operator data

AS number
AS23600
Name
Korea Internet Security Agency
Organisation
Korea Internet Security Agency
Country
🇰🇷 KR
RIR
APNIC
Allocated
2002-12-24

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

2 valid (9.1%) 0 invalid (0.0%) 20 no ROA (90.9%)

Announced prefixes

22 in total

Prefix RPKI Peers Sample path First seen
1.18.121.0/24 v4 no ROA 44 38001931823600 2026-09-18
1.18.132.0/24 v4 no ROA 44 345499318985823600 2026-09-18
1.18.133.0/24 v4 no ROA 43 34549876323600 2026-09-18
1.18.134.0/24 v4 no ROA 44 34549931823600 2026-09-18
1.18.135.0/24 v4 no ROA 3 44393357104820023764931823600 2026-09-18
39.125.192.0/24 v4 no ROA 3 44393357104820023764931823600 2026-09-18
39.125.228.0/24 v4 no ROA 3 44393357104820023764931823600 2026-09-18
39.125.244.0/24 v4 no ROA 3 44393357104820023764931823600 2026-09-18
39.127.249.0/24 v4 no ROA 44 34549931823600 2026-09-18
58.235.102.0/24 v4 no ROA 44 34549931823600 2026-09-18
202.30.45.0/24 v4 no ROA 44 34549931823600 2026-09-18
202.31.188.0/24 v4 no ROA 44 34549931823600 2026-09-18
202.31.190.0/24 v4 RPKI valid 45 34549876323600 2026-09-18
203.83.158.0/24 v4 RPKI valid 44 34549931823600 2026-09-18
219.251.142.0/24 v4 no ROA 44 34549931823600 2026-09-18
219.251.156.0/24 v4 no ROA 44 34549931823600 2026-09-18
221.139.191.0/24 v4 no ROA 44 34549931823600 2026-09-18
2001:dc5:a::/48 v6 no ROA 38 34549876323600 2026-09-18
2001:dcc:700::/48 v6 no ROA 38 380019318985823600 2026-09-18
2001:dcc:702::/48 v6 no ROA 35 345495539876323600 2026-09-18
2001:dcc:703::/48 v6 no ROA 33 852476623600 2026-09-18
2001:dcc:1000::/48 v6 no ROA 38 38001931823600 2026-09-18