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
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 211.241.56.0/21 | 2.0K |
0.0%
|
Namseoul university | KR | — | — |
| 220.68.176.0/21 | 2.0K |
0.0%
|
Namseoul university | KR | — | — |
| 211.241.52.0/22 | 1.0K |
0.0%
|
Namseoul university | KR | — | — |
| 211.42.48.0/23 | 512 |
0.0%
|
Namseoul university | KR | — | — |
| 211.241.26.0/23 | 512 |
0.0%
|
Namseoul university | KR | — | — |
| 220.68.184.0/23 | 512 |
0.0%
|
Namseoul university | KR | — | — |
| 220.68.190.0/23 | 512 |
0.0%
|
Namseoul university | KR | — | — |
| 211.42.104.0/24 | 256 |
0.0%
|
Namseoul university | KR | — | — |
| 211.241.24.0/24 | 256 |
0.0%
|
Namseoul university | KR | — | — |
| 220.68.189.0/24 | 256 |
0.0%
|
Namseoul university | KR | — | — |
| 220.68.192.0/24 | 256 |
0.0%
|
Namseoul university | KR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18027 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 |
|---|---|---|
| 211.241.52.0/22 | 8,574 | 2026-07-23 17:52:29 |
| 211.241.56.0/21 | 8,478 | 2026-07-23 17:52:31 |
| 220.68.189.0/24 | 8,315 | 2026-07-23 17:52:30 |
| 220.68.190.0/24 | 8,290 | 2026-07-23 17:52:30 |
| 220.68.191.0/24 | 8,286 | 2026-07-23 17:52:30 |
| 220.68.182.0/24 | 8,211 | 2026-07-23 17:52:30 |
| 220.68.176.0/24 | 8,200 | 2026-07-23 17:52:30 |
| 220.68.192.0/24 | 8,136 | 2026-07-23 17:52:30 |
| 211.42.49.0/24 | 8,132 | 2026-07-23 17:52:30 |
| 211.241.24.0/24 | 8,124 | 2026-07-23 17:52:30 |
| 211.42.48.0/24 | 8,116 | 2026-07-23 17:52:30 |
| 211.241.52.0/23 | 8,114 | 2026-07-23 17:52:30 |
| 211.42.104.0/24 | 7,265 | 2026-07-23 17:52:30 |
| 220.68.184.0/24 | 7,214 | 2026-07-23 17:52:30 |
| 220.68.185.0/24 | 7,212 | 2026-07-23 17:52:30 |
| 220.68.178.0/24 | 7,212 | 2026-07-23 17:52:30 |
| 220.68.180.0/24 | 7,191 | 2026-07-23 17:52:30 |
| 220.68.177.0/24 | 7,189 | 2026-07-23 17:52:30 |
| 220.68.181.0/24 | 7,188 | 2026-07-23 17:52:30 |
| 220.68.183.0/24 | 7,183 | 2026-07-23 17:52:30 |
| 220.68.179.0/24 | 7,182 | 2026-07-23 17:52:30 |
| 211.241.60.0/22 | 7,160 | 2026-07-23 17:52:30 |
| 211.241.61.0/24 | 7,160 | 2026-07-23 17:52:30 |
| 211.241.60.0/24 | 7,156 | 2026-07-23 17:52:30 |
| 211.241.26.0/23 | 7,149 | 2026-07-23 17:52:30 |
| 211.241.56.0/22 | 7,148 | 2026-07-23 17:52:30 |
| 211.241.54.0/23 | 7,146 | 2026-07-23 17:52:30 |
| 220.68.188.0/26 | 47 | 2026-07-23 04:30:22 |
| 220.68.176.8/29 | 47 | 2026-07-23 04:30:22 |
| 220.68.176.16/28 | 47 | 2026-07-23 04:30:22 |
| 220.68.176.224/28 | 47 | 2026-07-23 04:30:22 |
| 61.38.110.64/26 | 46 | 2026-07-23 04:29:56 |
Frequently Asked Questions
What is AS18027?
AS18027 is an Autonomous System Number assigned to Namseoul university. 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 AS18027 announce?
AS18027 announces 8.2K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in South Korea.
Who operates AS18027?
AS18027 is operated by Namseoul university. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.
What country is AS18027 registered in?
AS18027 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
