137.220.16.89
137.220.16.89 is an IPv4 address operated by GLBB-JP - GLBB Japan KK, JP (AS55900), with approximate network location Japan. Its reverse DNS name is oki-137-220-16-89.jptransit.net. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Japan Network Information Center |
| ASN | AS55900 |
| Network Name | ATCC-YOKOTA |
| CIDR Block | 137.220.16.0/20 |
| RIR | ARIN |
| Network registration country | JP |
| Routing operator | GLBB-JP - GLBB Japan KK, JP |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | oki-137-220-16-89.jptransit.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
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.
| caa | Not found at queried name net |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 89.16.220.137.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS55900 |
| Network Prefix | 137.220.16.0/20 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 12% | 2 | 2 |
| routing | 17% | 2 | 3 |
| services | 8% | 1 | 1 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 12% | 2 | 2 |
| Overall | 12% | 10 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-07-10 14:00:44 UTC |
| Last Seen | 2026-11-06 02:53:55 UTC |
| Profile Built | 2026-11-14 14:40:51 UTC |
| Data Freshness | Recent |
| Signal Types | 19 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 137.220.16.89
Who owns the IP address 137.220.16.89?
137.220.16.89 is registered to Japan Network Information Center. The address falls within the 137.220.16.0/20 network block. Registration is held at ARIN.
Where is 137.220.16.89 located?
Geolocation data places 137.220.16.89 in 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 137.220.16.89 malicious or safe?
137.220.16.89 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 137.220.16.89?
The reverse DNS (PTR) record for 137.220.16.89 is oki-137-220-16-89.jptransit.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.