$ query “AS9858” --type=asn → 1 result(s)
AS9858 · KRNICNET
Korea Internet Security Agency
AS9858 belongs to Korea Internet Security Agency and is a government/public-admin access provider, established in South Korea. The system announces 4 864 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to South Korea.
Basic Information
- Country
- 🇰🇷 South Korea
- Category
- Government/Public Administration
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- June 26, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 19 / 11
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 4 864
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇰🇷 South Korea (5 120 IPs)
- Prefix Changed
- March 11, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Downstream Customers
- 2 downstreams buying transit
- Degree
- 6 unique BGP neighbors
- Reach
- 11 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (19 total)
- 49.8.8.0/21 (2 048 addresses (/21 prefix))
- 49.8.18.0/23 (512 addresses (/23 prefix))
- 49.8.0.0/24 (256 addresses (/24 prefix))
- 49.8.2.0/24 (256 addresses (/24 prefix))
- 49.8.4.0/24 (256 addresses (/24 prefix))
- 49.8.16.0/24 (256 addresses (/24 prefix))
- 49.8.21.0/24 (256 addresses (/24 prefix))
- 49.11.0.0/24 (256 addresses (/24 prefix))
- 110.92.23.0/24 (256 addresses (/24 prefix))
- 192.132.15.0/24 (256 addresses (/24 prefix))
- 202.20.85.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2001:c98::/32