AS9757
CMB DONDAEMOON BROADCASTING
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 110.34.64.0/18 | 16.4K |
0.0%
|
CMB DONDAEMOON BROADCASTING | KR | Seoul | Dongdaemun |
| 122.128.192.0/18 | 16.4K |
0.0%
|
CMB DONDAEMOON BROADCASTING | KR | Seoul | Dongdaemun |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS9757 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 122.128.192.0/18 | 47,524 | 2026-09-14 05:35:22 |
| 122.128.233.0/24 | 47,429 | 2026-09-14 05:35:22 |
| 110.34.101.0/24 | 47,402 | 2026-09-14 05:35:22 |
| 110.34.67.0/24 | 47,338 | 2026-09-14 05:35:22 |
| 110.34.64.0/21 | 47,275 | 2026-09-14 05:35:22 |
| 110.34.68.0/24 | 47,249 | 2026-09-14 05:35:22 |
| 122.128.228.0/22 | 47,242 | 2026-09-14 05:35:22 |
| 110.34.69.0/24 | 47,178 | 2026-09-14 05:35:22 |
| 110.34.70.0/24 | 47,153 | 2026-09-14 05:35:22 |
| 122.128.250.0/24 | 47,148 | 2026-09-14 05:35:22 |
| 110.34.95.0/24 | 47,130 | 2026-09-14 05:35:22 |
| 110.34.93.0/24 | 47,121 | 2026-09-14 05:35:22 |
| 110.34.119.0/24 | 47,121 | 2026-09-14 05:35:22 |
| 110.34.92.0/24 | 47,119 | 2026-09-14 05:35:22 |
| 110.34.122.0/24 | 47,116 | 2026-09-14 05:35:22 |
| 110.34.80.0/24 | 47,114 | 2026-09-14 05:35:22 |
| 122.128.251.0/24 | 47,114 | 2026-09-14 05:35:22 |
| 110.34.82.0/24 | 47,113 | 2026-09-14 05:35:22 |
| 110.34.121.0/24 | 47,109 | 2026-09-14 05:35:22 |
| 110.34.91.0/24 | 47,108 | 2026-09-14 05:35:22 |
| 110.34.81.0/24 | 47,108 | 2026-09-14 05:35:22 |
| 110.34.120.0/24 | 47,102 | 2026-09-14 05:35:22 |
| 110.34.84.0/24 | 47,101 | 2026-09-14 05:35:22 |
| 110.34.79.0/24 | 47,100 | 2026-09-14 05:35:22 |
| 110.34.90.0/24 | 47,098 | 2026-09-14 05:35:22 |
| 110.34.114.0/24 | 47,092 | 2026-09-14 05:35:22 |
| 110.34.80.0/21 | 47,090 | 2026-09-14 05:35:22 |
| 110.34.74.0/24 | 47,089 | 2026-09-14 05:35:22 |
| 110.34.89.0/24 | 47,088 | 2026-09-14 05:35:22 |
| 110.34.85.0/24 | 47,081 | 2026-09-14 05:35:22 |
| 110.34.86.0/24 | 47,079 | 2026-09-14 05:35:22 |
| 110.34.87.0/24 | 47,078 | 2026-09-14 05:35:22 |
| 110.34.123.0/24 | 47,078 | 2026-09-14 05:35:22 |
| 110.34.76.0/24 | 47,072 | 2026-09-14 05:35:22 |
| 110.34.125.0/24 | 47,066 | 2026-09-14 05:35:22 |
| 122.128.232.0/22 | 47,063 | 2026-09-14 05:35:22 |
| 110.34.64.0/24 | 47,058 | 2026-09-14 05:35:22 |
| 122.128.216.0/22 | 47,051 | 2026-09-14 05:35:22 |
| 110.34.65.0/24 | 47,041 | 2026-09-14 05:35:22 |
| 122.128.220.0/22 | 47,027 | 2026-09-14 05:35:22 |
| 122.128.208.0/22 | 47,027 | 2026-09-14 05:35:22 |
| 110.34.66.0/24 | 47,026 | 2026-09-14 05:35:22 |
| 122.128.212.0/22 | 47,014 | 2026-09-14 05:35:22 |
| 122.128.224.0/22 | 46,997 | 2026-09-14 05:35:22 |
| 110.34.71.0/24 | 46,980 | 2026-09-14 05:35:22 |
| 122.128.244.0/22 | 46,962 | 2026-09-14 05:35:22 |
| 110.34.75.0/24 | 46,526 | 2026-09-14 05:35:22 |
| 110.34.72.0/24 | 46,516 | 2026-09-14 05:35:22 |
| 110.34.124.0/24 | 46,375 | 2026-09-14 05:35:22 |
| 110.34.115.0/24 | 41,351 | 2026-09-14 05:22:07 |
Showing top 50 of 60 announced prefixes by sample volume.
Frequently Asked Questions
What is AS9757?
AS9757 is an Autonomous System Number assigned to CMB DONDAEMOON BROADCASTING. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS9757 announce?
AS9757 announces 32.8K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in South Korea.
Who operates AS9757?
AS9757 is operated by CMB DONDAEMOON BROADCASTING. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.
What country is AS9757 registered in?
AS9757 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
