$ query “AS23596” --type=asn → 1 result(s)
AS23596 · KRNIC-EDNS-AS
Korea Internet Security Agency
AS23596 is run by Korea Internet Security Agency and is a government/public-admin stub network, established in South Korea in 2018. The system announces 1 280 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
- Stub Network
- Data Origin
- Overlaid — Community-contributed metadata overlay applied
- Registered
- May 28, 2018
- Last Changed
- May 18, 2026
- Last Seen
- June 08, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 5 / 4
- IPv6 Prefixes (raw / aggregated)
- 4 / 3
- IPv4 Addresses
- 1 280
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /47
- Geolocated Countries
- 🇰🇷 South Korea (1 536 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Degree
- 4 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (5 total)
- 1.18.128.0/23 (512 addresses (/23 prefix))
- 1.18.127.0/24 (256 addresses (/24 prefix))
- 1.18.130.0/24 (256 addresses (/24 prefix))
- 202.30.124.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (4 total)
- 2001:dcc:500::/47
- 2001:dcc:5::/48
- 2001:dcc:502::/48