AS38387
CMB Sejong Broadcasting Co,.Ltd
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 →
AS38387 — global IP footprint
Cities where AS38387 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 27.126.4.0/22 | 1.0K |
0.0%
|
CMB Sejong Broadcasting Co,.Ltd | KR | Sejong-si | Sejong |
| 27.126.20.0/22 | 1.0K |
0.0%
|
CMB Sejong Broadcasting Co,.Ltd | KR | — | — |
| 103.237.20.0/22 | 1.0K |
0.0%
|
CMB Sejong Broadcasting Co,.Ltd | KR | Gyeonggi-do | Hanam |
| 163.53.156.0/22 | 1.0K |
0.0%
|
CMB Sejong Broadcasting Co,.Ltd | KR | — | — |
| 27.126.10.0/23 | 512 |
0.0%
|
CMB Sejong Broadcasting Co,.Ltd | KR | — | — |
| 27.126.18.0/23 | 512 |
0.0%
|
CMB Sejong Broadcasting Co,.Ltd | KR | — | — |
| 27.126.9.0/24 | 256 |
0.0%
|
CMB Sejong Broadcasting Co,.Ltd | KR | — | — |
| 27.126.47.0/24 | 256 |
0.0%
|
CMB Sejong Broadcasting Co,.Ltd | KR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS38387 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 |
|---|---|---|
| 27.126.7.0/24 | 16,416 | 2026-07-30 07:27:29 |
| 27.126.23.0/24 | 13,009 | 2026-07-30 08:06:42 |
| 27.126.47.0/24 | 12,971 | 2026-07-30 08:06:42 |
| 27.126.21.0/24 | 12,960 | 2026-07-30 08:06:42 |
| 27.126.22.0/24 | 12,946 | 2026-07-30 08:06:42 |
| 103.237.20.0/22 | 12,928 | 2026-07-30 08:06:42 |
| 163.53.156.0/22 | 12,916 | 2026-07-30 08:06:42 |
| 27.126.4.0/24 | 12,122 | 2026-07-30 07:27:29 |
| 27.126.20.0/24 | 12,117 | 2026-07-30 07:27:29 |
| 27.126.10.0/24 | 11,960 | 2026-07-30 07:27:29 |
| 27.126.6.0/24 | 11,938 | 2026-07-30 07:27:11 |
| 27.126.18.0/24 | 11,810 | 2026-07-30 07:27:29 |
| 27.126.5.0/24 | 11,770 | 2026-07-30 07:27:29 |
| 27.126.19.0/24 | 11,683 | 2026-07-30 07:27:29 |
| 27.126.9.0/24 | 11,634 | 2026-07-30 07:27:29 |
| 27.126.11.0/24 | 11,437 | 2026-07-30 07:27:29 |
Frequently Asked Questions
What is AS38387?
AS38387 is an Autonomous System Number assigned to CMB Sejong Broadcasting Co,.Ltd. 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 AS38387 announce?
AS38387 announces 5.6K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in South Korea.
Who operates AS38387?
AS38387 is operated by CMB Sejong Broadcasting Co,.Ltd. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.
What country is AS38387 registered in?
AS38387 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
