203.23.155.205
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Long-established allocation (16y) +6
- Not on any threat blocklist +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 203.23.155.205
- CIDR range
- 203.23.152.0/21
- IP range (int)
- 3,407,321,088 — 3,407,323,135
- Prefix length
- /21
- Organization
- On-Line Pty Ltd
- ASN
- AS9648
- ASN name
- ASN-OZONLINE-AU # AS-OZONLINE-AU converted to ASN-OZONLINE-AU for RPSL compliance - Australia
- Location
- Melbourne, Victoria, Australia
- Coordinates
- -37.864700, 145.027900
- Accuracy radius
- 5 km
- Postal code
- 3144
- Regional Internet Registry
- APNIC
- Allocated
- 2010-07-21
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-08-04 04:09:28
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 203.23.155.205?
203.23.155.205 is allocated to On-Line Pty Ltd (AS9648), registered in Melbourne, Australia.
Where is 203.23.155.205 located?
The geolocation for 203.23.155.205 maps to Melbourne, Australia based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 203.23.155.205 on?
203.23.155.205 belongs to the 203.23.152.0/21 network block announced by AS9648. This range contains 2,048 addresses.
Does 203.23.155.205 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
