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
- Long-established allocation (20y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 85 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- nthkid169042.hkid.nt.ngn.ppp.infoweb.ne.jp
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 86400 s
- Reverse DNS last checked
- 2026-09-28 12:39 UTC
- Forward DNS last checked
- 2026-09-27 22:34 UTC
Forward DNS records for nthkid169042.hkid.nt.ngn.ppp.infoweb.ne.jp
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 121.94.92.42 | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 121.94.92.42
- CIDR range
- 121.94.88.0/21
- IP range (int)
- 2,036,226,048 — 2,036,228,095
- Prefix length
- /21
- Organization
- Fujitsu Limited.
- ASN
- AS2510
- ASN name
- FUJITSU LIMITED
- Location
- Japan
- Coordinates
- 35.690000, 139.690000
- Accuracy radius
- 500 km
- Regional Internet Registry
- APNIC
- Allocated
- 2006-11-13
- Data source(s)
- maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
- Last updated
- 2026-07-09 18:20:33
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 121.94.92.42?
121.94.92.42 is allocated to Fujitsu Limited. (AS2510), registered in Japan.
Where is 121.94.92.42 located?
The geolocation for 121.94.92.42 maps to 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 121.94.92.42 on?
121.94.92.42 belongs to the 121.94.88.0/21 network block announced by AS2510. This range contains 2,048 addresses.
Does 121.94.92.42 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.
