# 49.188.51.173 — IP Intelligence Summary

49.188.51.173 is an IPv4 address announced by AS4804, with approximate network location Melbourne, Australia. It belongs to a mobile network with reverse DNS name n49-188-51-173.sun1.vic.optusnet.com.au. As of November 6, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/49.188.51.173
- Last updated: 2026-11-06

## Ownership

- Organization: Optus Internet
- Network name: OPTUSINTERNET-AU
- Allocated block: 49.176.0.0/12
- ASN: AS4804 (https://ipdebrief.com/asn/4804)
- Regional registry: APNIC
- Registered holder: Optus Internet
- Routing operator: —
- Network registration country: AU
- Registrant address country: —

## Location

- City: Melbourne
- Region: Victoria
- Country: Australia
- Time zone: —

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

## Network classification

- Infrastructure type: Residential
- Datacenter / hosting: no
- Residential: yes
- Mobile: yes
- 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

- n49-188-51-173.sun1.vic.optusnet.com.au
- Forward-confirmed: yes

## 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

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Source: IPDebrief, "49.188.51.173 IP intelligence", https://ipdebrief.com/49.188.51.173, updated 2026-11-06. Assessments are probabilistic.