101.0.105.181
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
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
Reverse-DNS changes between Jun 11, 2026 and Sep 26, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- no PTR — since at least Sep 26, 2026 → present
- 181.105.0.101.static.digitalpacific.com.au stable — Jun 11, 2026 → Sep 26, 2026
Network Allocation for 101.0.105.181
- CIDR range
- 101.0.96.0/20
- IP range (int)
- 1,694,523,392 — 1,694,527,487
- Prefix length
- /20
- Organization
- Hostopia Australia Web Pty Ltd
- ASN
- AS55803
- ASN name
- Hostopia Australia Web Pty Ltd
- Location
- Sydney, New South Wales, Australia
- Coordinates
- -33.824200, 151.205900
- Accuracy radius
- 500 km
- Postal code
- 2065
- Regional Internet Registry
- APNIC
- Allocated
- 2010-12-13
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-09-26 05:24:13
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 101.0.105.181?
101.0.105.181 is allocated to Hostopia Australia Web Pty Ltd (AS55803), registered in Sydney, Australia.
Where is 101.0.105.181 located?
The geolocation for 101.0.105.181 maps to Sydney, 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 101.0.105.181 on?
101.0.105.181 belongs to the 101.0.96.0/20 network block announced by AS55803. This range contains 4,096 addresses.
Does 101.0.105.181 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.
