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Autonomous System

AS18310

SK Broadband Co Ltd

Announced IPs
137,216
CIDR prefixes
16
ASN
AS18310

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About SK Broadband

SK Broadband, Inc. is a Seoul-based telecommunications company and a wholly owned subsidiary of SK Telecom.

Founded
1997
Headquarters
Seoul
Industry
telecommunications
Parent
SK Telecom

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18310 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
119.148.112.0/20 95,468 2026-11-08 19:43:30
45.112.108.0/22 95,251 2026-11-08 19:43:30
27.112.128.0/17 94,908 2026-11-08 19:43:30
61.252.192.0/18 94,896 2026-11-08 19:43:30
117.20.80.0/20 94,810 2026-11-08 19:43:30
112.121.0.0/19 94,702 2026-11-08 19:43:30
103.51.196.0/22 94,593 2026-11-08 19:43:30
203.149.112.0/20 94,567 2026-11-08 19:43:30
61.100.192.0/19 94,427 2026-11-08 19:43:30
125.31.128.0/18 94,379 2026-11-08 19:43:30
203.90.32.0/19 94,233 2026-11-08 19:43:30
211.173.128.0/19 94,121 2026-11-08 19:43:30
211.174.0.0/20 94,074 2026-11-08 19:43:30
211.115.224.0/19 94,067 2026-11-08 19:43:30
211.172.32.0/19 94,057 2026-11-08 19:43:30
211.172.64.0/20 94,034 2026-11-08 19:43:30

Frequently Asked Questions

What is AS18310?

AS18310 is an Autonomous System Number assigned to SK Broadband Co Ltd. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS18310 announce?

AS18310 announces 137.2K IPv4 addresses distributed across 16 routed CIDR prefixes. The network is registered in South Korea.

Who operates AS18310?

AS18310 is operated by SK Broadband Co Ltd. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.

What country is AS18310 registered in?

AS18310 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-08 20:09:05 UTC
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