# 204.99.128.20 — IP Intelligence Summary

204.99.128.20 is an IPv4 address announced by AS17055, with approximate network location United States. Its reverse DNS name is mirror.chpc.utah.edu. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/204.99.128.20
- Last updated: 2026-11-12

## Ownership

- Organization: University of Utah
- Network name: UU-Y
- Allocated block: 204.99.128.0/24
- ASN: AS17055 (https://ipdebrief.com/asn/17055)
- Regional registry: ARIN
- Registered holder: University of Utah
- Routing operator: —
- Network registration country: United States
- Registrant address country: —

## Location

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

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

- mirror.chpc.utah.edu
- 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=mirror.chpc.utah.edu; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-01-22T06:25:16.0000000+00:00

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Source: IPDebrief, "204.99.128.20 IP intelligence", https://ipdebrief.com/204.99.128.20, updated 2026-11-12. Assessments are probabilistic.