199.71.174.109
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 (32y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mail1.unityhealth.to
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 3600 s
- Reverse DNS last checked
- 2026-10-30 22:55 UTC
Forward DNS records for mail1.unityhealth.to
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 199.71.174.140 | — | 3600s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-31 UTC0
issued.live's latest DNS data shows no domain resolving to this IP.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.
Reverse-DNS changes between Oct 29, 2026 and Oct 30, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- mail1.unityhealth.to — since at least Oct 30, 2026 → present
- mail.unityhealth.to — Oct 29, 2026 → Oct 30, 2026
- mail2.unityhealth.to — Oct 27, 2026 → Oct 29, 2026
- mail.smh.ca — Oct 26, 2026 → Oct 27, 2026
- mail1.unityhealth.to — Oct 25, 2026 → Oct 26, 2026
- mail2.unityhealth.to — Oct 24, 2026 → Oct 25, 2026
- mail.smh.ca — Oct 22, 2026 → Oct 24, 2026
- mail1.unityhealth.to — Oct 16, 2026 → Oct 22, 2026
- mail2.unityhealth.to — Oct 14, 2026 → Oct 16, 2026
- mail.smh.ca — Oct 8, 2026 → Oct 14, 2026
- mail.unityhealth.to — Oct 6, 2026 → Oct 8, 2026
- mail2.unityhealth.to — Oct 5, 2026 → Oct 6, 2026
- mail.unityhealth.to — Oct 4, 2026 → Oct 5, 2026
- mail2.unityhealth.to — Oct 3, 2026 → Oct 4, 2026
- mail.unityhealth.to — Oct 1, 2026 → Oct 3, 2026
- mail1.unityhealth.to — Sep 30, 2026 → Oct 1, 2026
- mail.unityhealth.to — Sep 29, 2026 → Sep 30, 2026
- mail.smh.ca — Sep 27, 2026 → Sep 29, 2026
- mail2.unityhealth.to — Sep 26, 2026 → Sep 27, 2026
- mail.smh.ca — Sep 24, 2026 → Sep 26, 2026
- mail.unityhealth.to — Aug 24, 2026 → Sep 24, 2026
- no PTR — Aug 23, 2026 → Aug 24, 2026
- mail.unityhealth.to — Aug 17, 2026 → Aug 23, 2026
- mail.smh.ca — Jun 13, 2026 → Aug 17, 2026
- mail1.unityhealth.to — Jun 12, 2026 → Jun 13, 2026
Network Allocation for 199.71.174.109
- CIDR range
- 199.71.172.0/22
- IP range (int)
- 3,343,363,072 — 3,343,364,095
- Prefix length
- /22
- Organization
- St. Michael's Hospital
- ASN
- AS3411
- ASN name
- St. Michael's Hospital
- Location
- Toronto, Ontario, Canada
- Coordinates
- 43.665700, -79.371800
- Accuracy radius
- 10 km
- Postal code
- M4X
- Regional Internet Registry
- ARIN
- Allocated
- 1994-03-10
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-10-28 05:26:31
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 199.71.174.109?
199.71.174.109 is allocated to St. Michael's Hospital (AS3411), registered in Toronto, Canada.
Where is 199.71.174.109 located?
The geolocation for 199.71.174.109 maps to Toronto, Canada 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 199.71.174.109 on?
199.71.174.109 belongs to the 199.71.172.0/22 network block announced by AS3411. This range contains 1,024 addresses.
Does 199.71.174.109 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.
