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

AS9318 · SKB-AS

SK Broadband Co Ltd

AS9318 belongs to SK Broadband Co Ltd and is a major transit provider, registered 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 4 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
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
839 / 284
IPv6 Prefixes (raw / aggregated)
4 / 4
IPv4 Addresses
15 286 528
Largest IPv4 Prefix
/11 (2 097 152 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇰🇷 South Korea (27 875 840 IPs), 🇨🇳 China (19 200 IPs), 🇬🇧 United Kingdom (1 024 IPs) and 4 more
Prefix Changed
April 28, 2026

Reputation

Reputation
Good — 154 flagged IPs out of 15 286 528 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
144 networks exchanging traffic without transit
Downstream Customers
392 downstreams buying transit
Unclassified
10 unclassified BGP neighbors
Degree
551 unique BGP neighbors
Reach
36 785 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-APAC-HK (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (839 total)

  • 1.224.0.0/11 (2 097 152 addresses (/11 prefix))
  • 39.112.0.0/12 (1 048 576 addresses (/12 prefix))
  • 58.224.0.0/12 (1 048 576 addresses (/12 prefix))
  • 175.112.0.0/12 (1 048 576 addresses (/12 prefix))
  • 110.8.0.0/13 (524 288 addresses (/13 prefix))
  • 219.248.0.0/13 (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))
  • 58.120.0.0/13 (524 288 addresses (/13 prefix))
  • 116.120.0.0/13 (524 288 addresses (/13 prefix))
  • 211.200.0.0/13 (524 288 addresses (/13 prefix))
  • 218.48.0.0/13 (524 288 addresses (/13 prefix))
  • 180.64.0.0/13 (524 288 addresses (/13 prefix))
  • 218.232.0.0/13 (524 288 addresses (/13 prefix))
  • 114.200.0.0/13 (524 288 addresses (/13 prefix))
  • 118.216.0.0/13 (524 288 addresses (/13 prefix))
  • 123.212.0.0/14 (262 144 addresses (/14 prefix))
  • 211.176.0.0/14 (262 144 addresses (/14 prefix))
  • 221.140.0.0/14 (262 144 addresses (/14 prefix))
  • 124.136.0.0/14 (262 144 addresses (/14 prefix))
  • 61.254.0.0/15 (131 072 addresses (/15 prefix))
  • 221.138.0.0/15 (131 072 addresses (/15 prefix))
  • 211.186.0.0/15 (131 072 addresses (/15 prefix))
  • 124.2.0.0/15 (131 072 addresses (/15 prefix))
  • 61.98.0.0/15 (131 072 addresses (/15 prefix))
  • 219.240.0.0/15 (131 072 addresses (/15 prefix))
  • 121.124.0.0/15 (131 072 addresses (/15 prefix))
  • 211.244.0.0/15 (131 072 addresses (/15 prefix))
  • 218.38.0.0/15 (131 072 addresses (/15 prefix))
  • 211.58.0.0/15 (131 072 addresses (/15 prefix))
  • 211.108.0.0/15 (131 072 addresses (/15 prefix))
  • 211.110.0.0/16 (65 536 addresses (/16 prefix))
  • 123.111.0.0/16 (65 536 addresses (/16 prefix))
  • 61.253.0.0/16 (65 536 addresses (/16 prefix))
  • 61.105.0.0/16 (65 536 addresses (/16 prefix))
  • 211.243.0.0/16 (65 536 addresses (/16 prefix))
  • 124.111.0.0/16 (65 536 addresses (/16 prefix))
  • 158.44.0.0/16 (65 536 addresses (/16 prefix))
  • 211.49.0.0/16 (65 536 addresses (/16 prefix))
  • 211.117.0.0/16 (65 536 addresses (/16 prefix))
  • 211.44.0.0/16 (65 536 addresses (/16 prefix))
  • 211.52.128.0/17 (32 768 addresses (/17 prefix))
  • 61.101.0.0/17 (32 768 addresses (/17 prefix))
  • 210.221.0.0/17 (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))
  • 211.33.0.0/17 (32 768 addresses (/17 prefix))
  • 211.37.0.0/17 (32 768 addresses (/17 prefix))
  • 210.117.0.0/17 (32 768 addresses (/17 prefix))
  • 61.101.128.0/18 (16 384 addresses (/18 prefix))
  • and 234 more

IPv6 Prefixes (4 total)

  • 2001:290::/32
  • 2001:378::/32
  • 2400:fda6::/32
  • 2001:df1:6003::/48