# 209.191.65.105 — IP Intelligence Summary

209.191.65.105 is an IPv4 address operated by Yahoo Holdings Inc. (AS10310), geolocated to New York, United States. Its reverse DNS name is ae-21.pat1.gqb.yahoo.com. As of November 1, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/209.191.65.105
- Last updated: 2026-11-01

## Ownership

- Organization: Yahoo Holdings Inc.
- Network name: A-YAHOO-US3
- Allocated block: 209.191.64.0/18
- ASN: AS10310 (https://ipdebrief.com/asn/10310)
- Regional registry: ARIN

## Location

- City: New York
- Region: NY
- Country: United States
- Time zone: —

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ae-21.pat1.gqb.yahoo.com
- Forward-confirmed: yes

## Analyst narrative

Intelligence assessment of IP 209.191.65.105 identified ownership by Yahoo Holdings Inc. (ASN 10310) within the 209.191.64.0/18 block, geolocated to New York, US. Forward DNS resolution confirmed the hostname ae-21.pat1.gqb.yahoo.com with yahoo.com. The asset was classified as a Suspicious Host with a Low Risk reputation score of 25.

Technical analysis indicated the network role as Firewalled with no open ports. Despite a general blacklist count of zero, one DNSBL listing was recorded in the control plane. A significant contradiction existed between the claimed geolocation and RTT physics measurements, resulting in a Very Low overall confidence score of 0.1833. Neighborhood analysis for the 209.191.65.105/24 subnet showed mixed classification with an abuse density of 0.2857 and

## Nearby addresses

- 209.191.65.49 (https://ipdebrief.com/209.191.65.49)
- 209.191.65.51 (https://ipdebrief.com/209.191.65.51)
- 209.191.65.101 (https://ipdebrief.com/209.191.65.101)
- 209.191.65.103 (https://ipdebrief.com/209.191.65.103)
- 209.191.65.107 (https://ipdebrief.com/209.191.65.107)
- 209.191.65.134 (https://ipdebrief.com/209.191.65.134)
- 209.191.65.138 (https://ipdebrief.com/209.191.65.138)

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Source: IPDebrief, "209.191.65.105 IP intelligence", https://ipdebrief.com/209.191.65.105, updated 2026-11-01. Assessments are probabilistic.