$ query “AS9957” --type=asn → 1 result(s)

AS9957 · KINX-AS

KINX

AS9957 belongs to KINX and is a mid-size transit provider, based in South Korea. The system announces a respectable 13 056 IPv4 addresses. Its primary geographic footprint is in South Korea. No IPv6 support — it's 2026, just saying.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #4 in South Korea — Top 10 by reach within country

Basic Information

Country
🇰🇷 South Korea
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
June 27, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
36 / 28
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
13 056
Largest IPv4 Prefix
/20 (4 096 addresses)
Geolocated Countries
🇰🇷 South Korea (13 056 IPs)
Prefix Changed
May 01, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
45 networks exchanging traffic without transit
Downstream Customers
32 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
89 unique BGP neighbors
Reach
12 118 networks in customer cone

Upstream Providers (8)

  • AS6939 — HURRICANE
  • AS174 — COGENT (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS58453 — CMI-INT-HK
  • AS3491 — PCCWG-AS (Tier-1 transit)
  • AS4637 — ASN-TELSTRA-GLOBAL
  • AS4766 — PACIFIC-FORTUNE-BLAH
  • AS39686 — AS-EUROFIBER

Prefix Lists

IPv4 Prefixes (36 total)

  • 203.238.176.0/20 (4 096 addresses (/20 prefix))
  • 121.78.0.0/22 (1 024 addresses (/22 prefix))
  • 121.78.156.0/23 (512 addresses (/23 prefix))
  • 121.78.138.0/23 (512 addresses (/23 prefix))
  • 121.78.4.0/23 (512 addresses (/23 prefix))
  • 49.50.50.0/23 (512 addresses (/23 prefix))
  • 49.50.52.0/23 (512 addresses (/23 prefix))
  • 121.78.92.0/24 (256 addresses (/24 prefix))
  • 121.78.142.0/24 (256 addresses (/24 prefix))
  • 121.78.42.0/24 (256 addresses (/24 prefix))
  • 121.78.54.0/24 (256 addresses (/24 prefix))
  • 121.78.70.0/24 (256 addresses (/24 prefix))
  • 121.78.81.0/24 (256 addresses (/24 prefix))
  • 121.78.89.0/24 (256 addresses (/24 prefix))
  • 1.201.42.0/24 (256 addresses (/24 prefix))
  • 121.78.137.0/24 (256 addresses (/24 prefix))
  • 1.201.210.0/24 (256 addresses (/24 prefix))
  • 121.78.141.0/24 (256 addresses (/24 prefix))
  • 49.50.48.0/24 (256 addresses (/24 prefix))
  • 1.201.182.0/24 (256 addresses (/24 prefix))
  • 121.78.199.0/24 (256 addresses (/24 prefix))
  • 121.78.224.0/24 (256 addresses (/24 prefix))
  • 121.78.231.0/24 (256 addresses (/24 prefix))
  • 139.150.217.0/24 (256 addresses (/24 prefix))
  • 139.150.223.0/24 (256 addresses (/24 prefix))
  • 182.161.125.0/24 (256 addresses (/24 prefix))
  • 1.201.134.0/24 (256 addresses (/24 prefix))
  • 203.246.169.0/24 (256 addresses (/24 prefix))