# 151.101.129.40 — IP Intelligence Summary

151.101.129.40 is an IPv4 address operated by Fastly, Inc. (AS54113), geolocated to San Mateo, United States. As of November 1, 2026, IPDebrief rates it Moderate Risk (40/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/151.101.129.40
- Last updated: 2026-11-01

## 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
- Cloud / hosting provider: Fastly

## Location

- City: San Mateo
- Region: CA
- Country: United States
- Time zone: America/Los_Angeles

## Network classification

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

## Risk assessment

- Assessment: Moderate Risk (40/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Exposed services

- 80/tcp — http
- 443/tcp — https

## Nearby addresses

- 151.101.129.16 (https://ipdebrief.com/151.101.129.16)
- 151.101.129.21 (https://ipdebrief.com/151.101.129.21)
- 151.101.129.32 (https://ipdebrief.com/151.101.129.32)
- 151.101.129.35 (https://ipdebrief.com/151.101.129.35)
- 151.101.129.42 (https://ipdebrief.com/151.101.129.42)
- 151.101.129.44 (https://ipdebrief.com/151.101.129.44)
- 151.101.129.46 (https://ipdebrief.com/151.101.129.46)
- 151.101.129.55 (https://ipdebrief.com/151.101.129.55)
- 151.101.129.63 (https://ipdebrief.com/151.101.129.63)
- 151.101.129.67 (https://ipdebrief.com/151.101.129.67)
- 151.101.129.87 (https://ipdebrief.com/151.101.129.87)
- 151.101.129.91 (https://ipdebrief.com/151.101.129.91)

## Addresses sharing infrastructure

- 151.101.1.40 — Same TLS certificate (https://ipdebrief.com/151.101.1.40)
- 151.101.65.40 — Same TLS certificate (https://ipdebrief.com/151.101.65.40)
- 151.101.193.40 — Same TLS certificate (https://ipdebrief.com/151.101.193.40)
- 199.232.89.40 — Same TLS certificate (https://ipdebrief.com/199.232.89.40)

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Source: IPDebrief, "151.101.129.40 IP intelligence", https://ipdebrief.com/151.101.129.40, updated 2026-11-01. Assessments are probabilistic.