Addresses
32,768
32.8K
Sub-ranges
16+
within this block
PTR Density
0.0%
1 of 32.8K IPs have PTR
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.
76/100
Moderate
How this score is built
- Baseline (neutral) 65
- Long-established allocation (15y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 39.113.0.0/17
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 39.113.64.0/20 | 4.1K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.96.0/20 | 4.1K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.48.0/20 | 4.1K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.80.0/20 | 4.1K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.32.0/20 | 4.1K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.16.0/20 | 4.1K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.112.0/20 | 4.1K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.0.0/20 | 4.1K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.104.0/21 | 2.0K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.112.0/21 | 2.0K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.96.0/21 | 2.0K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.0.0/21 | 2.0K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.56.0/21 | 2.0K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.48.0/21 | 2.0K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.8.0/21 | 2.0K | SK Broadband Co Ltd | AS9318 | KR |
| 39.113.120.0/21 | 2.0K | SK Broadband Co Ltd | AS9318 | KR |
Geolocation
First 256 of 32,768 IP addresses in 39.113.0.0/17
39.113.0.0
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+ 32.5K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 39.112.0.0/12.
Announced prefix
Origin AS
Announcement samples
5,090
Last seen
2026-07-18 12:15:47
Frequently Asked Questions
What is 39.113.0.0/17?
39.113.0.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 39.113.0.0 to 39.113.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 39.113.0.0/17 network?
The 39.113.0.0/17 range is allocated to SK Broadband Co Ltd and announced via AS9318 from South Korea.
Last updated: 2026-07-18 12:25:31 UTC
