$ query “AS9318” --type=asn → 1 result(s)

AS9318 · SKB-AS

SK Broadband Co Ltd

AS9318 is owned by SK Broadband Co Ltd and is a major transit provider, established in South Korea. The system announces a whopping 15.3 million IPv4 addresses (0.41% of routable IPv4 space), including a /11, and supports IPv6. Most of its address space is geolocated to South Korea, with additional presence in China and the United Kingdom, and smaller footprints in 5 additional countries. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Space Overlord — Over 10 million IPv4 addresses
  • #2 in South Korea — Top 10 by reach within country

Basic Information

Country
🇰🇷 South Korea
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
848 / 291
IPv6 Prefixes (raw / aggregated)
3 / 3
IPv4 Addresses
15 288 832
Largest IPv4 Prefix
/11 (2 097 152 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇰🇷 South Korea (27 880 448 IPs), 🇨🇳 China (18 176 IPs), 🇬🇧 United Kingdom (768 IPs) and 5 more
Prefix Changed
June 19, 2026

Reputation

Reputation
Good — 148 flagged IPs out of 15 288 832 total (0.00%)
Open Proxies
4 known open proxies in this network

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
150 networks exchanging traffic without transit
Downstream Customers
392 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
553 unique BGP neighbors
Reach
31 519 networks in customer cone

Upstream Providers (5)

  • AS6939 — HURRICANE
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS701 — UUNET (Tier-1 transit)
  • AS3491 — PCCWG-AS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (848 total)

  • 1.224.0.0/11 (2 097 152 addresses (/11 prefix))
  • 58.224.0.0/12 (1 048 576 addresses (/12 prefix))
  • 175.112.0.0/12 (1 048 576 addresses (/12 prefix))
  • 39.112.0.0/12 (1 048 576 addresses (/12 prefix))
  • 180.64.0.0/13 (524 288 addresses (/13 prefix))
  • 118.216.0.0/13 (524 288 addresses (/13 prefix))
  • 219.248.0.0/13 (524 288 addresses (/13 prefix))
  • 110.8.0.0/13 (524 288 addresses (/13 prefix))
  • 218.232.0.0/13 (524 288 addresses (/13 prefix))
  • 218.48.0.0/13 (524 288 addresses (/13 prefix))
  • 114.200.0.0/13 (524 288 addresses (/13 prefix))
  • 116.120.0.0/13 (524 288 addresses (/13 prefix))
  • 58.120.0.0/13 (524 288 addresses (/13 prefix))
  • 222.232.0.0/13 (524 288 addresses (/13 prefix))
  • 211.208.0.0/13 (524 288 addresses (/13 prefix))
  • 211.200.0.0/13 (524 288 addresses (/13 prefix))
  • 124.136.0.0/14 (262 144 addresses (/14 prefix))
  • 211.176.0.0/14 (262 144 addresses (/14 prefix))
  • 123.212.0.0/14 (262 144 addresses (/14 prefix))
  • 221.140.0.0/14 (262 144 addresses (/14 prefix))
  • 219.240.0.0/15 (131 072 addresses (/15 prefix))
  • 124.2.0.0/15 (131 072 addresses (/15 prefix))
  • 211.186.0.0/15 (131 072 addresses (/15 prefix))
  • 121.124.0.0/15 (131 072 addresses (/15 prefix))
  • 211.108.0.0/15 (131 072 addresses (/15 prefix))
  • 211.244.0.0/15 (131 072 addresses (/15 prefix))
  • 211.58.0.0/15 (131 072 addresses (/15 prefix))
  • 61.98.0.0/15 (131 072 addresses (/15 prefix))
  • 218.38.0.0/15 (131 072 addresses (/15 prefix))
  • 61.254.0.0/15 (131 072 addresses (/15 prefix))
  • 221.138.0.0/15 (131 072 addresses (/15 prefix))
  • 211.49.0.0/16 (65 536 addresses (/16 prefix))
  • 158.44.0.0/16 (65 536 addresses (/16 prefix))
  • 61.105.0.0/16 (65 536 addresses (/16 prefix))
  • 61.253.0.0/16 (65 536 addresses (/16 prefix))
  • 211.110.0.0/16 (65 536 addresses (/16 prefix))
  • 211.243.0.0/16 (65 536 addresses (/16 prefix))
  • 211.44.0.0/16 (65 536 addresses (/16 prefix))
  • 123.111.0.0/16 (65 536 addresses (/16 prefix))
  • 124.111.0.0/16 (65 536 addresses (/16 prefix))
  • 211.117.0.0/16 (65 536 addresses (/16 prefix))
  • 211.33.0.0/17 (32 768 addresses (/17 prefix))
  • 210.221.0.0/17 (32 768 addresses (/17 prefix))
  • 211.37.0.0/17 (32 768 addresses (/17 prefix))
  • 210.205.128.0/17 (32 768 addresses (/17 prefix))
  • 218.36.128.0/17 (32 768 addresses (/17 prefix))
  • 61.101.0.0/17 (32 768 addresses (/17 prefix))
  • 210.117.0.0/17 (32 768 addresses (/17 prefix))
  • 211.52.128.0/17 (32 768 addresses (/17 prefix))
  • 210.205.0.0/18 (16 384 addresses (/18 prefix))

IPv6 Prefixes (3 total)

  • 2001:290::/32
  • 2001:378::/32
  • 2001:df1:6003::/48