AS23579 — SENNEIS-AS-KR Seoul Metropolitan Office Of Education

AS23579 announces 18 IPv4 prefixes covering 7,168 addresses and 0 IPv6 prefixes.

About this network

SENNEIS-AS-KR is operated by the Seoul Metropolitan Office of Education.

What it's used for

• The address space carries netnames such as SEN-KR, PUBNETPLUS-KR, SERIICENTER-KR, and broadNnet-KR, indicating infrastructure for educational institutions and public networks in Seoul.
• The AS announces 7168 IPv4 addresses across 18 prefixes with only 1 observed neighbour, a ratio that implies an access or internal network rather than a transit provider.

Notable

• All registrants in the sample are IRT-KRNIC-KR, which aligns with the Korean National Internet Center registry, though the netnames vary across different sub-allocations.
• The inventory consists of 18 IPv4 prefixes with no IPv6 prefixes announced, showing a purely IPv4-based estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 1.231.193.0/24
• 61.108.10.0/24
• 103.157.158.0/23
• 118.221.198.0/23
• 118.221.200.0/24
• 118.221.206.0/23
• 202.171.248.0/22
• 210.180.119.0/24
• 211.61.17.0/24
• 211.61.19.0/24
• 211.61.20.0/22
• 211.61.24.0/24
• 218.48.161.0/24
• 218.48.162.0/23
• 218.48.166.0/24
• 218.48.168.0/24
• 218.48.173.0/24
• 220.65.122.0/24

Upstream networks

• AS4766 Korea Telecom

Adjacent networks

• AS4766 Korea Telecom

Routing security

• RPKI: 0 valid, 0 invalid and 30 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 63% of announcements registered; 20 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-DACOM, AS-HANARO, AS-HURRICANE, AS-KORNETBGP, AS-SKBROADBAND, AS-TIXNET-CUST, AS3491:AS-CUSTOMERS-AP, AS7713:AS-TELKOM-TRANSIT.