# 151.101.1.171 — IP Intelligence Summary

151.101.1.171 is an IPv4 address operated by FASTLY - Fastly, Inc., US (AS54113), with approximate network location Montreal, United States. It belongs to datacenter or hosting infrastructure. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/151.101.1.171
- Last updated: 2026-11-13

## Ownership

- Organization: Fastly, Inc.
- Network name: SKYCA-3
- Allocated block: 151.101.0.0/16
- ASN: AS54113 (https://ipdebrief.com/asn/54113)
- Regional registry: RIPE
- Registered holder: Fastly, Inc.
- Routing operator: FASTLY - Fastly, Inc., US
- Network registration country: United States
- Registrant address country: —
- Cloud / hosting provider: Fastly

## Location

- City: Montreal
- Region: Quebec
- Country: United States
- Time zone: —

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: CDN
- Datacenter / hosting: yes
- 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

## Exposed services

- 80/tcp — http
- 443/tcp — https

## DNS posture

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

- caa: Not checked
- spf: Not checked
- dmarc: Not checked
- dnssec: Unknown / lookup inconclusive (171.1.101.151.in-addr.arpa)
- fcrDns: Not checked

## TLS observations

- CN=f.shared-427-default.ssl.fastly.net; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-03-22T04:16:07.0000000+00:00

## Witness AI - IP Assessment (AI-generated)

AI-generated assessment. Verify critical details independently.

Intelligence Briefing: 151.101.1.171/32

The target host, 151.101.1.171, was validated by the server and identified as part of the SKYCA-3 network block (151.101.0.0/16), owned by Fastly, Inc. (AS54113) in the United States. While ownership records list the registrant country as the United States, geolocation data associated with this observation point indicates an approximate network location in Montreal, Quebec. The infrastructure is classified as a Content Delivery Network (CDN) service provider, with a service purpose of Web Server.

DNS hygiene assessments for SPF, DMARC, and CAA records returned as not checked, while DNSSEC status for the reverse lookup zone was unknown. The risk score assigned to the host is 0. Historical TLS probe data indicates a stale certificate issued by GlobalSign nv-sa to the subject CN=f.shared-427-default.ssl.fastly.net, valid from September 4, 2026, to March 22, 2027; this finding describes a historical probe artifact rather than current endpoint validity. Anycast status remains unverified. Given the limited scope of tool observations and the lack of specific security posture indicators, continued monitoring or corroboration is recommended.

## Nearby addresses

- 151.101.1.16 (https://ipdebrief.com/151.101.1.16)
- 151.101.1.21 (https://ipdebrief.com/151.101.1.21)
- 151.101.1.32 (https://ipdebrief.com/151.101.1.32)
- 151.101.1.35 (https://ipdebrief.com/151.101.1.35)
- 151.101.1.40 (https://ipdebrief.com/151.101.1.40)
- 151.101.1.42 (https://ipdebrief.com/151.101.1.42)
- 151.101.1.44 (https://ipdebrief.com/151.101.1.44)
- 151.101.1.49 (https://ipdebrief.com/151.101.1.49)
- 151.101.1.55 (https://ipdebrief.com/151.101.1.55)
- 151.101.1.87 (https://ipdebrief.com/151.101.1.87)
- 151.101.1.91 (https://ipdebrief.com/151.101.1.91)
- 151.101.1.114 (https://ipdebrief.com/151.101.1.114)

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Source: IPDebrief, "151.101.1.171 IP intelligence", https://ipdebrief.com/151.101.1.171, updated 2026-11-13. Assessments are probabilistic.