# 173.205.109.66 — IP Intelligence Summary

173.205.109.66 is an IPv4 address operated by GTT-BACKBONE - GTT Communications Inc., US (AS3257), with approximate network location New York, United States. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/173.205.109.66
- Last updated: 2026-11-13

## Ownership

- Organization: Outbrain
- Network name: OUTBRAIN-GTT
- Allocated block: 173.205.109.64/29
- ASN: AS3257 (https://ipdebrief.com/asn/3257)
- Regional registry: ARIN
- Registered holder: Outbrain
- Routing operator: GTT-BACKBONE - GTT Communications Inc., US
- Network registration country: United States
- Registrant address country: —

## Location

- City: New York
- Region: NY
- Country: United States
- Time zone: America/New_York

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: Not applicable (—)
- spf: Unknown / lookup inconclusive (—)
- dmarc: Unknown / lookup inconclusive (—)
- dnssec: Unknown / lookup inconclusive (66.109.205.173.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive

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Source: IPDebrief, "173.205.109.66 IP intelligence", https://ipdebrief.com/173.205.109.66, updated 2026-11-13. Assessments are probabilistic.