AS38705KOREA DATA
South KoreaRegistryAPNICAs of 26th September 2026, AS38705 (KOREA DATA), a network registered in South Korea with APNIC, originates 31 IPv4 prefixes covering 32.3k addresses. By IPv4 address space that makes it the 5,522nd-largest of the 79,516 networks we see originating IPv4, and the 137th-largest of 908 in South Korea. It is seen behind 1 upstream network, most often AS4766 (Korea Telecom). None of its announcements have a valid RPKI ROA; 2 are RPKI-invalid. 94% of its routes reach at least 90% of full-feed peers.
At a glance
IPv4 prefixes
IPv6 prefixes
IPv4 addresses
IPv6 /64s
Upstream graph
The networks AS38705 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS38705 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
2
adjacent networks
- Upstreams
- 150%
- Peers
- 150%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS4766Korea Telecom | KR | Peer | 2,370 | 81 |
Prefixes
All 31The largest blocks AS38705 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 116.93.160.0/19 | 8.2k | 81/81 |
| 182.173.96.0/19 | 8.2k | 81/81 |
| 115.178.32.0/20 | 4.1k | 81/81 |
| 182.173.80.0/20 | 4.1k | 81/81 |
| 45.113.44.0/22 | 1k | 80/81 |
| 49.128.192.0/24 | 256 | 81/81 |
| 49.128.193.0/24 | 256 | 81/81 |
| 49.128.195.0/24 | 256 | 81/81 |
| 49.128.196.0/24 | 256 | 81/81 |
| 49.128.197.0/24 | 256 | 81/81 |
Routing health
How AS38705's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.
RPKI origin validation
- Valid0.0%0
- Invalid6.5%2
- No ROA93.5%29
Propagation
- Globally propagated90% of full-feed peers or more93.5%29
- Partially propagated40% to 90%0.0%0
- Seen by few peersUnder 40%6.5%2
Prefix sizes
Recent changes
Announcements that started or stopped since 27th Aug 2026.
- Withdrawn103.6.72.0/2421st Sept 2026
- Withdrawn112.196.196.0/2421st Sept 2026
- Withdrawn112.196.197.0/2421st Sept 2026
- Withdrawn112.196.198.0/2421st Sept 2026
- Withdrawn112.196.213.0/2421st Sept 2026
- Withdrawn112.196.221.0/2421st Sept 2026
- Withdrawn124.66.209.0/2421st Sept 2026
- Withdrawn49.128.214.0/2421st Sept 2026
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.