# 37.183.89.21 — IP Intelligence Summary

37.183.89.21 is an IPv4 address announced by AS30722, with approximate network location Ancona, Italy. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/37.183.89.21
- Last updated: 2026-11-14

## Ownership

- Organization: —
- Network name: —
- Allocated block: —
- ASN: AS30722 (https://ipdebrief.com/asn/30722)
- Regional registry: —
- Registered holder: —
- Routing operator: —
- Network registration country: —
- Registrant address country: —

## Location

- City: Ancona
- Region: The Marches
- Country: Italy
- Time zone: Europe/Rome

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

## DNS posture

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

- caa: Unknown / lookup inconclusive (vodafonedsl.it)
- spf: Not checked
- dmarc: Not checked
- dnssec: Unknown / lookup inconclusive (21.89.183.37.in-addr.arpa)
- fcrDns: Not checked

## Nearby addresses

- 37.183.89.14 (https://ipdebrief.com/37.183.89.14)

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Source: IPDebrief, "37.183.89.21 IP intelligence", https://ipdebrief.com/37.183.89.21, updated 2026-11-14. Assessments are probabilistic.