AS18310 — SKB-VITSSEN-AS-KR SK Broadband Co Ltd

AS18310 announces 16 IPv4 prefixes covering 137,216 addresses and 0 IPv6 prefixes.

About this network

SKB-VITSSEN-AS-KR is operated by SK Broadband Co Ltd.

What it's used for

• The address space carries consumer broadband traffic, evidenced by the consistent broadNnet-KR netname across all listed prefixes.
• With 137216 IPv4 addresses announced across 16 prefixes and only 1 observed neighbour, the high address-to-neighbour ratio indicates a large access or eyeball network rather than a transit provider.

Notable

• All registrants for the sampled prefixes are IRT-KRNIC-KR, which aligns with the announcer SK Broadband Co Ltd as the primary holder of this space in Korea.
• The inventory consists of 16 IPv4 prefixes with no IPv6 prefixes announced, reflecting a legacy IPv4-centric deployment typical of older Korean ISP infrastructure.
• The largest block is 27.112.128.0/17, with the remaining space subdivided into /18, /19, /20, and /22 blocks.

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

Announced prefixes

• 27.112.128.0/17
• 45.112.108.0/22
• 61.100.192.0/19
• 61.252.192.0/18
• 103.51.196.0/22
• 112.121.0.0/19
• 117.20.80.0/20
• 119.148.112.0/20
• 125.31.128.0/18
• 203.90.32.0/19
• 203.149.112.0/20
• 211.115.224.0/19
• 211.172.32.0/19
• 211.172.64.0/20
• 211.173.128.0/19
• 211.174.0.0/20

Upstream networks

• AS9318 SK Broadband Co Ltd

Adjacent networks

• AS9318 SK Broadband Co Ltd

Routing security

• RPKI: 0 valid, 0 invalid and 16 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 399 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-DACOM, AS-HANARO, AS-HURRICANE, AS-IIJ, AS-KINX-TRANSIT, AS-KORNETBGP, AS-PACNET-CUSTOMER-PROXY-REGISTER, AS-SEJONG, AS-SHINBIRO, AS-SKBROADBAND, AS-TBROAD, AS-XO-B, AS2497:AS-IIJ, AS3491:AS-CUSTOMERS-AP, AS3491:AS-CUSTOMERS-TEST.