# 23.221.253.243 — IP Intelligence Summary

23.221.253.243 is an IPv4 address operated by AKAMAI-AS - Akamai Technologies, Inc., US (AS16625), with approximate network location Ashburn, United States. Its reverse DNS name is a23-221-253-243.deploy.static.akamaitechnologies.com. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/23.221.253.243
- Last updated: 2026-11-13

## Ownership

- Organization: Akamai International, BV
- Network name: AIBV
- Allocated block: 23.221.240.0/20
- ASN: AS16625 (https://ipdebrief.com/asn/16625)
- Regional registry: ARIN
- Registered holder: Akamai International, BV
- Routing operator: AKAMAI-AS - Akamai Technologies, Inc., US
- Network registration country: Netherlands
- Registrant address country: —
- Cloud / hosting provider: Akamai

## Location

- City: Ashburn
- Region: VA
- 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

## Reverse DNS

- a23-221-253-243.deploy.static.akamaitechnologies.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.

- caa: Not found at queried name (com)
- spf: Unknown / lookup inconclusive (a23-221-253-243.deploy.static.akamaitechnologies.com, cp601-prod.do.dsp.mp.microsoft.com, prod.do.dsp.mp.microsoft.com)
- dmarc: Unknown / lookup inconclusive (_dmarc.a23-221-253-243.deploy.static.akamaitechnologies.com, _dmarc.cp601-prod.do.dsp.mp.microsoft.com, _dmarc.prod.do.dsp.mp.microsoft.com)
- dnssec: Unknown / lookup inconclusive (243.253.221.23.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (a23-221-253-243.deploy.static.akamaitechnologies.com)

## TLS observations

- CN=cp601-prod.do.dsp.mp.microsoft.com, O=Microsoft Corporation, L=Redmond, S=WA, C=US; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-04-23T22:14:35.0000000+00:00

## Nearby addresses

- 23.221.253.30 (https://ipdebrief.com/23.221.253.30)
- 23.221.253.169 (https://ipdebrief.com/23.221.253.169)
- 23.221.253.211 (https://ipdebrief.com/23.221.253.211)
- 23.221.253.247 (https://ipdebrief.com/23.221.253.247)
- 23.221.253.252 (https://ipdebrief.com/23.221.253.252)

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Source: IPDebrief, "23.221.253.243 IP intelligence", https://ipdebrief.com/23.221.253.243, updated 2026-11-13. Assessments are probabilistic.