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CIDR
/20 · 4.1K IPs
ASN
OPTAGE Inc.
Reverse DNS
58-189-40-185f1.kyt1.eonet.ne.jp
Last scanned 15 hr ago
Blocklisted
Checking…
Scanning blocklists

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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
58-189-40-185f1.kyt1.eonet.ne.jp
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-07-18 11:09 UTC
Forward DNS last checked
2026-07-18 11:09 UTC

Forward DNS records for 58-189-40-185f1.kyt1.eonet.ne.jp

TypeValuePriorityTTL
A 58.189.40.185 172800s
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 58.189.40.185

CIDR range
58.189.32.0/20
IP range (int)
985,473,024 — 985,477,119
Prefix length
/20
Organization
OPTAGE Inc.
ASN
AS17511
ASN name
OPTAGE Inc.
Location
Kyoto, Kyoto, Japan
Coordinates
35.023100, 135.752000
Accuracy radius
200 km
Postal code
602-8051
Regional Internet Registry
APNIC
Allocated
2005-07-11
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-11 09:20:26

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
5,489
Last seen
2026-07-18 11:59:53

Frequently Asked Questions

Who owns 58.189.40.185?

58.189.40.185 is allocated to OPTAGE Inc. (AS17511), registered in Kyoto, Japan.

Where is 58.189.40.185 located?

The geolocation for 58.189.40.185 maps to Kyoto, Japan based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 58.189.40.185 on?

58.189.40.185 belongs to the 58.189.32.0/20 network block announced by AS17511. This range contains 4,096 addresses.

Does 58.189.40.185 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-18 09:09:07 UTC
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