AS18033 — CMBTGD-AS-KR CMB TAEGU BROADCASTING

AS18033 announces 11 IPv4 prefixes covering 11,008 addresses and 0 IPv6 prefixes.

About this network

CMBTGD-AS-KR is operated by CMB Taegu Broadcasting.

What it's used for

• The address space carries netnames CMBDONGBU-KR and CMBSUSUNG-KR, indicating internal segmentation for the Dongsu and Suseong regions of the broadcaster.
• The AS announces 11,008 IPv4 addresses across 14 prefixes with only 2 observed neighbours, a ratio consistent with a small, self-contained corporate or media network rather than a transit provider.

Notable

• All registrants are listed as IRT-KRNIC-KR, which aligns with the announcer's identity as a Korean entity.
• The inventory consists of a mix of /21, /22, /23, and /24 blocks, with the largest allocations being 125.62.216.0/21 and 203.166.208.0/21.

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

Announced prefixes

• 43.241.105.0/24
• 43.241.106.0/23
• 43.241.108.0/22
• 49.143.180.0/22
• 49.143.184.0/23
• 49.143.186.0/24
• 103.28.60.0/22
• 119.235.240.0/21
• 122.129.213.0/24
• 125.62.216.0/21
• 203.166.208.0/21

Upstream networks

• AS9318 SK Broadband Co Ltd
• AS18168 CMB TAEGU BROADCAST SUSEONG

Downstream networks

• AS18168 CMB TAEGU BROADCAST SUSEONG

Adjacent networks

• AS9318 SK Broadband Co Ltd
• AS18168 CMB TAEGU BROADCAST SUSEONG

Routing security

• RPKI: 0 valid, 0 invalid and 34 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 94% of announcements registered; 38 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-HANARO, AS-HURRICANE, AS-KORNETBGP, AS-SEJONG, AS-SHINBIRO, AS-SKBROADBAND, AS-XO-B, AS3491:AS-CUSTOMERS-AP.