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
- Isp allocation +5
- Trust score 70 / 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 |
|---|---|---|---|---|---|---|
| 49.8.8.0/21 | 2.0K |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 49.8.18.0/23 | 512 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 49.8.0.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 49.8.2.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 49.8.4.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 49.8.16.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 49.8.21.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 49.11.0.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 110.92.23.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 192.132.15.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
| 202.20.85.0/24 | 256 |
0.0%
|
Korea Internet Security Agency | KR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS9858 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 |
|---|---|---|
| 49.8.15.0/24 | 12,517 | 2026-07-27 23:16:50 |
| 49.8.10.0/24 | 10,565 | 2026-07-27 23:18:46 |
| 49.8.14.0/24 | 10,032 | 2026-07-27 23:18:12 |
| 49.8.18.0/24 | 9,546 | 2026-07-27 23:18:12 |
| 49.8.19.0/24 | 9,542 | 2026-07-27 23:18:12 |
| 49.8.16.0/24 | 9,535 | 2026-07-27 23:18:12 |
| 49.8.13.0/24 | 9,530 | 2026-07-27 23:18:12 |
| 192.132.15.0/24 | 9,227 | 2026-07-27 23:20:19 |
| 49.8.2.0/24 | 9,173 | 2026-07-27 23:18:12 |
| 49.11.0.0/24 | 9,147 | 2026-07-27 23:16:57 |
| 110.92.23.0/24 | 9,142 | 2026-07-27 23:18:12 |
| 49.8.21.0/24 | 9,133 | 2026-07-27 23:18:12 |
| 49.8.8.0/24 | 9,120 | 2026-07-27 23:18:22 |
| 49.8.0.0/24 | 9,115 | 2026-07-27 23:16:57 |
| 49.8.9.0/24 | 9,114 | 2026-07-27 23:18:35 |
| 49.8.4.0/24 | 9,112 | 2026-07-27 23:19:13 |
| 49.8.12.0/24 | 9,082 | 2026-07-27 23:18:12 |
| 202.20.85.0/24 | 8,557 | 2026-07-27 23:20:19 |
| 49.8.11.0/24 | 8,383 | 2026-07-27 23:18:12 |
Frequently Asked Questions
What is AS9858?
AS9858 is an Autonomous System Number assigned to Korea Internet Security Agency. 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 AS9858 announce?
AS9858 announces 4.9K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in South Korea.
Who operates AS9858?
AS9858 is operated by Korea Internet Security Agency. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.
What country is AS9858 registered in?
AS9858 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
