203.6.0.0

Canberra · Australia · SingTel Optus Pty Ltd

Autonomous system: AS7474
Country: AU
Legacy classification score: 0; Not a probability

IP address summary

IP address: 203.6.0.0
ASN: AS7474
Network operator: SingTel Optus Pty Ltd
ISP: SingTel Optus Pty Ltd
Containing network profile: 203.6.0.0/16
Operator category: Business Broadband

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN: AS7474
Source label: OPTUSCOM-AS01-AU - SingTel Optus Pty Ltd
Reference interval: 203.6.0.0 to 203.6.7.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS7474. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IPtoASN source Reference methodology

IP geolocation

World map with country boundaries — Approximate network location; not a device positionNatural Earth map data

Country: Australia
City: Canberra
Region: Australian Capital Territory
Postal code: Not supplied
Timezone: Australia/Sydney
Local time: 2026-11-03 13:12:32
Approximate coordinates: -35.293, 149.130

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingNot classified

MobileNot classified

Risk score: 0

A low score is not proof that an address is safe.

Read exact field definitions

ASN and network operator

AS7474 profile

Organization: SingTel Optus Pty Ltd
ASN domain: optus.com.au
Operator type: Business Broadband

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range: 203.6.0.0/21
Registered network name: AUSDEFENCE
Registered network block: 203.6.0.0/18
Registration source: APNIC WHOIS
Company: Australian Department of Defence
Usage type: business
Company website: defence.gov.au

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Contact name: ABUSE AUSDEFENCEAU
Published contact network: 203.6.0.0/18
Abuse email: architecture.support@defence.gov.au
Phone: +61-2-6127-9741
Postal address: Department of Defence, Bonshaw Rd, HMAS Harman, Cannberra, ACT 2600, Australia
Contact country: Australia

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON

203.6.0.0 · live response

{
  "ip": "203.6.0.0",
  "isp": {
    "asn": "AS7474",
    "org": "SingTel Optus Pty Ltd",
    "isp": "SingTel Optus Pty Ltd"
  },
  "location": {
    "country": "Australia",
    "country_code": "AU",
    "city": "Canberra",
    "state": "Australian Capital Territory",
    "zipcode": "",
    "latitude": -35.29274840018667,
    "longitude": 149.13016200912816,
    "timezone": "Australia/Sydney",
    "localtime": "2026-11-03T13:12:32"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}