# 170.81.50.100 — IP Intelligence Summary

170.81.50.100 is an IPv4 address announced by AS263634, with approximate network location Içara, Brazil. Its reverse DNS name is 170.81.50.100.tacnettelecom.com.br. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/170.81.50.100
- Last updated: 2026-11-12

## Ownership

- Organization: TACNET TELECOM
- Network name: 298289
- Allocated block: 170.81.48.0/22
- ASN: AS263634 (https://ipdebrief.com/asn/263634)
- Regional registry: ARIN
- Registered holder: TACNET TELECOM
- Routing operator: —
- Network registration country: BR
- Registrant address country: —

## Location

- City: Içara
- Region: Santa Catarina
- Country: Brazil
- Time zone: —

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

- 170.81.50.100.tacnettelecom.com.br
- Forward-confirmed: no

## 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

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Source: IPDebrief, "170.81.50.100 IP intelligence", https://ipdebrief.com/170.81.50.100, updated 2026-11-12. Assessments are probabilistic.