# 137.220.16.89 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/137.220.16.89
- Last updated: 2026-11-14

## Ownership

- Organization: Japan Network Information Center
- Network name: ATCC-YOKOTA
- Allocated block: 137.220.16.0/20
- ASN: AS55900 (https://ipdebrief.com/asn/55900)
- Regional registry: ARIN
- Registered holder: Japan Network Information Center
- Routing operator: GLBB-JP - GLBB Japan KK, JP
- Network registration country: JP
- Registrant address country: —

## Location

- City: —
- Region: —
- Country: Japan
- Time zone: Asia/Tokyo

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- oki-137-220-16-89.jptransit.net
- Forward-confirmed: no

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- 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

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Source: IPDebrief, "137.220.16.89 IP intelligence", https://ipdebrief.com/137.220.16.89, updated 2026-11-14. Assessments are probabilistic.