40.228.232.204
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 (35y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- azure-37vmfj4.ema.lilly.com
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 3600 s
- Reverse DNS last checked
- 2026-07-05 05:15 UTC
- SERVFAIL count
- 1
Forward DNS records for azure-37vmfj4.ema.lilly.com
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 40.228.232.204 | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- no PTR — Jun 16, 2026 → present
- azure-37vmfj4.ema.lilly.com — Jun 15, 2026 → Jun 16, 2026
- no PTR — Jun 13, 2026 → Jun 15, 2026
- martin-s-a22.ema.lilly.com — Jun 11, 2026 → Jun 13, 2026
Network Allocation for 40.228.232.204
- CIDR range
- 40.228.224.0/20
- IP range (int)
- 686,088,192 — 686,092,287
- Prefix length
- /20
- Organization
- Eli Lilly and Company
- ASN
- AS4249
- ASN name
- Eli Lilly and Company
- Location
- Slough, England, United Kingdom
- Coordinates
- 51.501200, -0.598900
- Accuracy radius
- 100 km
- Postal code
- SL1
- Regional Internet Registry
- ARIN
- Allocated
- 1991-04-23
- Data source(s)
- maxmind_city, ipinfo_lite, maxmind_country, maxmind_asn
- Last updated
- 2026-09-11 05:20:59
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | Country Change | GB | US |
See the full history for 40.228.0.0/16.
Frequently Asked Questions
Who owns 40.228.232.204?
40.228.232.204 is allocated to Eli Lilly and Company (AS4249), registered in Slough, United Kingdom.
Where is 40.228.232.204 located?
The geolocation for 40.228.232.204 maps to Slough, United Kingdom 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 40.228.232.204 on?
40.228.232.204 belongs to the 40.228.224.0/20 network block announced by AS4249. This range contains 4,096 addresses.
Does 40.228.232.204 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.
