203.129.135.231
203.129.135.231 is an IPv4 address operated by VOCUS-BACKBONE-AS - Vocus Connect International Backbone, AU (AS4826), with approximate network location Sydney, Australia. Its reverse DNS name is 203-129-135-231.sta.ip.vocus.au. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | IRT-VOCUS-AU |
| ASN | AS4826 |
| Network Name | M2-DODO-AU |
| CIDR Block | 203.129.128.0/20 |
| RIR | APNIC |
| Network registration country | AU |
| Routing operator | VOCUS-BACKBONE-AS - Vocus Connect International Backbone, AU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 203-129-135-231.sta.ip.vocus.au |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 203-129-135-231.sta.ip.vocus.au |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Unknown / lookup inconclusive vocus.au |
| spf | Unknown / lookup inconclusive vocus.au |
| dmarc | Unknown / lookup inconclusive vocus.au |
| dnssec | Unknown / lookup inconclusive 231.135.129.203.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 203-129-135-231.sta.ip.vocus.au |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS4826 |
| Network Prefix | 203.129.128.0/19 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 25% | 1 | 1 |
| geolocation | 35% | 2 | 2 |
| Overall | 28% | 8 | 9 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-11-12 17:49:00 UTC |
| Last Seen | 2026-11-12 17:49:00 UTC |
| Profile Built | 2026-11-13 07:08:31 UTC |
| Data Freshness | Fresh |
| Signal Types | 17 |
| Total Observations | 17 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 203.129.135.231
Who owns the IP address 203.129.135.231?
203.129.135.231 is registered to IRT-VOCUS-AU. The address falls within the 203.129.128.0/20 network block. Registration is held at APNIC.
Where is 203.129.135.231 located?
Geolocation data places 203.129.135.231 in Sydney, NSW, Australia. The local time zone is Australia/Sydney. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 203.129.135.231 malicious or safe?
203.129.135.231 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 203.129.135.231?
The reverse DNS (PTR) record for 203.129.135.231 is 203-129-135-231.sta.ip.vocus.au. This hostname is forward-confirmed, meaning it resolves back to the same address.