# 13.251.25.239 — IP Intelligence Summary

13.251.25.239 is an IPv4 address operated by Amazon Web Services (AS16509), with approximate network location Chicago, United States. Its reverse DNS name is ec2-13-251-25-239.ap-southeast-1.compute.amazonaws.com. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/13.251.25.239
- Last updated: 2026-11-12

## Ownership

- Organization: Amazon Data Services Singapore
- Network name: AMAZON-SIN
- Allocated block: 13.250.0.0/15
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Registered holder: Amazon Data Services Singapore
- Routing operator: —
- Network registration country: Singapore
- Registrant address country: —
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Chicago
- Region: US-IL
- Country: United States
- Time zone: America/Chicago

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

## Network classification

- Infrastructure type: Unknown
- 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

- ec2-13-251-25-239.ap-southeast-1.compute.amazonaws.com
- Forward-confirmed: yes

## Exposed services

- 80/tcp — http
- 443/tcp — https

## 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

## TLS observations

- CN=ec2.web.ap-southeast-1.prod.diagnostic.networking.aws.dev; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-01-16T23:59:59.0000000+00:00

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Source: IPDebrief, "13.251.25.239 IP intelligence", https://ipdebrief.com/13.251.25.239, updated 2026-11-12. Assessments are probabilistic.