# 84.91.137.223 — IP Intelligence Summary

84.91.137.223 is an IPv4 address announced by AS13156, with approximate network location São Domingos de Rana, Portugal. Its reverse DNS name is pa4-84-91-137-223.netvisao.pt. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/84.91.137.223
- Last updated: 2026-11-12

## Ownership

- Organization: AS13156-MNT
- Network name: NOWO
- Allocated block: 84.91.136.0/22
- ASN: AS13156 (https://ipdebrief.com/asn/13156)
- Regional registry: RIPE
- Registered holder: AS13156-MNT
- Routing operator: —
- Network registration country: PT
- Registrant address country: —

## Location

- City: São Domingos de Rana
- Region: Lisbon
- Country: Portugal
- Time zone: Europe/Lisbon

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

- pa4-84-91-137-223.netvisao.pt
- Forward-confirmed: yes

## DNS posture

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

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

## Addresses sharing infrastructure

- 84.90.26.229 — Same abuse contact (https://ipdebrief.com/84.90.26.229)
- 84.90.185.132 — Same abuse contact (https://ipdebrief.com/84.90.185.132)
- 84.91.218.14 — Same abuse contact (https://ipdebrief.com/84.91.218.14)

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Source: IPDebrief, "84.91.137.223 IP intelligence", https://ipdebrief.com/84.91.137.223, updated 2026-11-12. Assessments are probabilistic.