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CIDR
/22 · 1.0K IPs
ASN
OPTAGE Inc.
Reverse DNS
180-145-180-101f1.nar1.eonet.ne.jp
Last scanned 9 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.

81/100
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)
180-145-180-101f1.nar1.eonet.ne.jp
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
86400 s
Reverse DNS last checked
2026-07-23 05:08 UTC
Forward DNS last checked
2026-07-23 05:08 UTC

Forward DNS records for 180-145-180-101f1.nar1.eonet.ne.jp

TypeValuePriorityTTL
A 180.145.180.101 172764s
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 180.145.180.101

CIDR range
180.145.180.0/22
IP range (int)
3,029,447,680 — 3,029,448,703
Prefix length
/22
Organization
OPTAGE Inc.
ASN
AS17511
ASN name
OPTAGE Inc.
Location
Iwade Shi, Wakayama, Japan
Coordinates
34.262500, 135.312900
Accuracy radius
10 km
Postal code
649-6231
Regional Internet Registry
APNIC
Allocated
2009-08-21
Data source(s)
maxmind_city, ipinfo_lite, maxmind_country, maxmind_asn
Last updated
2026-07-09 00:21:12

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

Announced prefix
Origin AS
Announcement samples
5,978
Last seen
2026-07-23 14:34:48

Frequently Asked Questions

Who owns 180.145.180.101?

180.145.180.101 is allocated to OPTAGE Inc. (AS17511), registered in Iwade Shi, Japan.

Where is 180.145.180.101 located?

The geolocation for 180.145.180.101 maps to Iwade Shi, 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 180.145.180.101 on?

180.145.180.101 belongs to the 180.145.180.0/22 network block announced by AS17511. This range contains 1,024 addresses.

Does 180.145.180.101 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: 2026-07-23 14:42:31 UTC
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