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AS18305

POSCO DX

APNIC KR Announced
More ASNs in South Korea →
Organization
POSCO DX
POSNET-KR
Registered
Jul 05, 2002
24 years ago
IPv4 Prefixes
64
75,520 addresses
IPv6 Prefixes
0
BGP Neighbours
5
5 upstream/peer · 0 downstream

Registration

The registry's RDAP record for this AS number could not be retrieved; it is looked up again automatically.

AS Number AS18305 AS Name POSNET-KR Country South Korea (KR) Registry APNIC Allocated Jul 05, 2002 AS Description POSNET-KR - POSCO DX, KR

IPv4 Prefixes

64 prefixes · 75,520 addresses · 63 top-level Routing data as of 2026-10-07 08:00 UTC

1.0.0.0/8 · 5 prefixes · 1,280 addresses
PrefixRangeAddresses
1.209.29.0/241.209.29.0 – 1.209.29.255256
1.209.181.0/241.209.181.0 – 1.209.181.255256
1.209.182.0/241.209.182.0 – 1.209.182.255256
1.209.183.0/241.209.183.0 – 1.209.183.255256
1.209.185.0/241.209.185.0 – 1.209.185.255256
39.0.0.0/8 · 1 prefix · 256 addresses
PrefixRangeAddresses
39.121.111.0/2439.121.111.0 – 39.121.111.255256
116.0.0.0/8 · 3 prefixes · 768 addresses
PrefixRangeAddresses
116.123.216.0/24116.123.216.0 – 116.123.216.255256
116.124.169.0/24116.124.169.0 – 116.124.169.255256
116.127.24.0/24116.127.24.0 – 116.127.24.255256
118.0.0.0/8 · 2 prefixes · 512 addresses
PrefixRangeAddresses
118.129.142.0/24118.129.142.0 – 118.129.142.255256
118.129.143.0/24118.129.143.0 – 118.129.143.255256
119.0.0.0/8 · 1 prefix · 256 addresses
PrefixRangeAddresses
119.202.117.0/24119.202.117.0 – 119.202.117.255256
175.0.0.0/8 · 4 prefixes · 1,024 addresses
PrefixRangeAddresses
175.202.208.0/24175.202.208.0 – 175.202.208.255256
175.202.211.0/24175.202.211.0 – 175.202.211.255256
175.202.212.0/24175.202.212.0 – 175.202.212.255256
175.202.213.0/24175.202.213.0 – 175.202.213.255256
203.0.0.0/8 · 27 prefixes · 66,304 addresses
PrefixRangeAddresses
203.231.144.0/24203.231.144.0 – 203.231.144.255256
203.231.145.0/24203.231.145.0 – 203.231.145.255256
203.231.146.0/24203.231.146.0 – 203.231.146.255256
203.231.147.0/24203.231.147.0 – 203.231.147.255256
203.231.148.0/24203.231.148.0 – 203.231.148.255256
203.231.149.0/24203.231.149.0 – 203.231.149.255256
203.231.151.0/24203.231.151.0 – 203.231.151.255256
203.238.192.0/21203.238.192.0 – 203.238.199.2552,048
203.238.200.0/22203.238.200.0 – 203.238.203.2551,024
203.238.204.0/24203.238.204.0 – 203.238.204.255256
203.238.205.0/24203.238.205.0 – 203.238.205.255256
203.238.206.0/24203.238.206.0 – 203.238.206.255256
203.238.207.0/24203.238.207.0 – 203.238.207.255256
203.238.210.0/24203.238.210.0 – 203.238.210.255256
203.238.219.0/24203.238.219.0 – 203.238.219.255256
203.238.220.0/22203.238.220.0 – 203.238.223.2551,024
203.238.221.0/24203.238.221.0 – 203.238.221.255256
203.241.0.0/19203.241.0.0 – 203.241.31.2558,192
203.244.32.0/19203.244.32.0 – 203.244.63.2558,192
203.244.64.0/19203.244.64.0 – 203.244.95.2558,192
203.245.128.0/17203.245.128.0 – 203.245.255.25532,768
203.246.184.0/24203.246.184.0 – 203.246.184.255256
203.246.185.0/24203.246.185.0 – 203.246.185.255256
203.246.186.0/24203.246.186.0 – 203.246.186.255256
203.246.187.0/24203.246.187.0 – 203.246.187.255256
203.246.188.0/24203.246.188.0 – 203.246.188.255256
203.246.189.0/24203.246.189.0 – 203.246.189.255256
210.0.0.0/8 · 6 prefixes · 1,536 addresses
PrefixRangeAddresses
210.105.154.0/24210.105.154.0 – 210.105.154.255256
210.108.50.0/24210.108.50.0 – 210.108.50.255256
210.108.199.0/24210.108.199.0 – 210.108.199.255256
210.109.175.0/24210.109.175.0 – 210.109.175.255256
210.113.156.0/24210.113.156.0 – 210.113.156.255256
210.113.157.0/24210.113.157.0 – 210.113.157.255256
211.0.0.0/8 · 12 prefixes · 2,944 addresses
PrefixRangeAddresses
211.32.161.0/24211.32.161.0 – 211.32.161.255256
211.32.162.0/24211.32.162.0 – 211.32.162.255256
211.32.165.0/24211.32.165.0 – 211.32.165.255256
211.60.10.0/24211.60.10.0 – 211.60.10.255256
211.169.135.0/24211.169.135.0 – 211.169.135.255256
211.171.31.0/24211.171.31.0 – 211.171.31.255256
211.171.173.0/25211.171.173.0 – 211.171.173.127128
211.171.182.0/24211.171.182.0 – 211.171.182.255256
211.171.185.0/24211.171.185.0 – 211.171.185.255256
211.171.186.0/24211.171.186.0 – 211.171.186.255256
211.171.187.0/24211.171.187.0 – 211.171.187.255256
211.229.145.0/24211.229.145.0 – 211.229.145.255256
220.0.0.0/8 · 1 prefix · 128 addresses
PrefixRangeAddresses
220.122.214.0/25220.122.214.0 – 220.122.214.127128
222.0.0.0/8 · 2 prefixes · 512 addresses
PrefixRangeAddresses
222.104.91.0/24222.104.91.0 – 222.104.91.255256
222.104.92.0/24222.104.92.0 – 222.104.92.255256

IPv6 Prefixes

This AS does not currently announce any IPv6 prefixes.

BGP Neighbours

5 unique neighbours · 5 upstream/peer · 0 downstream. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries.

Upstream & peer side (5)

Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers.

ASNameAS pathsIPv4 sightingsIPv6 sightings
AS4766KIXS-AS-KR-KR - Korea Telecom1,03613,5770
AS9318SKB-AS-KR - SK Broadband Co Ltd5464,3840
AS9848SejongTelecom-AS-KR-KR - SEJONG NETWORKS3702,1840
AS13335CLOUDFLARENET - Cloudflare, Inc.2751,1030
AS3786LGDACOM-KR - LG DACOM Corporation2241,2480