219.104.138.120 is an IPv4 address announced by AS2527, with approximate network location Kameido, Japan. Its reverse DNS name is madb688a78.ap.nuro.jp. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Japan Network Information Center |
| ASN | AS2527 |
| Network Name | SO-NET |
| CIDR Block | 219.104.128.0/19 |
| RIR | APNIC |
| Network registration country | JP |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | madb688a78.ap.nuro.jp |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | madb688a78.ap.nuro.jp |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP.
DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 12 signal types · 12 observations collected
This report is generated from 12+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 219.104.138.120
Who owns the IP address 219.104.138.120?
219.104.138.120 is registered to Japan Network Information Center. The address falls within the 219.104.128.0/19 network block. Registration is held at APNIC.
Where is 219.104.138.120 located?
Geolocation data places 219.104.138.120 in Kameido, Tokyo, Japan. The local time zone is Asia/Tokyo. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 219.104.138.120 malicious or safe?
219.104.138.120 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 219.104.138.120?
The reverse DNS (PTR) record for 219.104.138.120 is madb688a78.ap.nuro.jp. This hostname is forward-confirmed, meaning it resolves back to the same address.
