AS17841

Name: AS17841 — NATIONAL INFORMATION RESOURCES SERVICE
Creator: ipdex

NATIONAL INFORMATION RESOURCES SERVICE Unknown registered in South Korea

495IPv4 prefixes

0IPv6 prefixes

#1,672AS Rank

#8Rank in South Korea

2001-07-24Allocated

NATIONAL INFORMATION RESOURCES SERVICE (AS17841) — Unknown, registered in South Korea. announces 495 IPv4 prefixes + 0 IPv6 prefixes. Rank in South Korea: #8. Allocated: 2001-07-24.

IPv4 495IPv6 0

Announced prefixes · 495

v4 203.242.2.128/25 unknown
v4 203.242.3.0/24 unknown
v4 203.242.3.0/25 unknown
v4 203.242.3.128/25 unknown
v4 203.242.4.0/24 unknown
v4 203.242.4.0/25 unknown
v4 203.242.4.128/25 unknown
v4 203.242.6.0/24 unknown
v4 203.242.6.0/25 unknown
v4 203.242.6.128/25 unknown
v4 203.243.1.0/24 unknown
v4 203.254.110.0/24 unknown
v4 203.254.120.0/25 unknown
v4 203.254.121.0/24 unknown
v4 203.254.96.0/24 unknown
v4 203.254.97.0/24 unknown
v4 210.103.63.0/24 unknown
v4 210.103.72.0/24 unknown
v4 210.103.72.0/25 unknown
v4 210.103.72.128/25 unknown
v4 210.103.81.0/24 unknown
v4 210.103.82.0/24 unknown
v4 210.103.83.0/24 unknown
v4 210.104.140.0/24 unknown
v4 210.104.148.0/24 unknown
v4 210.104.249.0/24 unknown
v4 210.104.250.0/24 unknown
v4 210.104.41.0/24 unknown
v4 210.106.108.0/24 unknown
v4 210.178.100.0/24 unknown
v4 210.178.101.0/24 unknown
v4 210.178.102.0/25 unknown
v4 210.179.148.0/24 unknown
v4 210.179.205.0/24 unknown
v4 210.204.58.128/25 unknown
v4 210.90.15.0/24 unknown
v4 210.90.8.0/24 unknown
v4 210.95.181.0/24 unknown
v4 210.95.187.0/24 unknown
v4 210.95.219.0/24 unknown
v4 210.97.27.0/24 unknown
v4 210.99.24.0/24 unknown
v4 210.99.248.0/24 unknown
v4 210.99.25.0/24 unknown
v4 210.99.48.0/24 unknown
v4 210.99.49.0/24 unknown
v4 210.99.50.0/24 unknown
v4 210.99.51.0/24 unknown
v4 210.99.52.0/24 unknown
v4 210.99.53.0/24 unknown

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	495
2026-06-13	495

AS topology · Customer cone 19

Providers · 3

AS4766 Korea Telecom
AS3786 LG DACOM Corporation
AS9318 SK Broadband Co Ltd

Customers · 3

AS45400 Korea Telecom
AS23575 SK Broadband Co Ltd
AS9950 DACOM-PUBNETPLUS

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