Hosting provider
simcentric IP ranges
simcentric: 4 datacenter IP ranges, 50,176 IPv4 addresses (0.05% of listed datacenter space). Largest blocks, ASNs, countries and what simcentric traffic means.
At a glance
- Name
- simcentric
- Type
- Datacenter / hosting
- Share of datacenter space
- 0.05%
- Website
- simcentric.com
- Country
- Hong Kong, Japan
- Largest range
- 182.16.0.0/17
Networks announcing these ranges
Where the ranges are located
- 🇭🇰 Hong Kong75%
- 🇯🇵 Japan25%
Sample cities: Cheung Sha Wan, Hong Kong, Ueda
Largest IP ranges
| CIDR | First address | Last address | Addresses |
|---|---|---|---|
| 182.16.0.0/17 | 182.16.0.0 | 182.16.127.255 | 32,768 |
| 112.121.160.0/19 | 112.121.160.0 | 112.121.191.255 | 8,192 |
| 180.178.32.0/19 | 180.178.32.0 | 180.178.63.255 | 8,192 |
| 103.1.224.0/22 | 103.1.224.0 | 103.1.227.255 | 1,024 |
What traffic from simcentric means for a website
Every address in these 4 ranges belongs to simcentric infrastructure — virtual machines, containers, load balancers or edge nodes — rather than to an end-user's broadband or mobile line. A request from one of them is therefore a server talking to your server: a crawler, a monitoring probe, an API client, a scraper or a VPN/proxy exit hosted on simcentric.
That is why fraud and abuse systems treat datacenter origins differently from residential ones: a sign-up, a vote or an ad click from a simcentric address is unlikely to be an ordinary person at home. The sensible response is not a blanket block (legitimate bots and corporate VPNs live here too) but a lower trust score, stricter rate limits or a challenge.
To test a single address, run it through the proxy checker: it reports the datacenter match, the announcing network and whether the address also appears on Tor or blocklists. Proxy & VPN detector →
How this page is built
Ranges come from the open datacenter list (client9/ipcat) refreshed by our cron jobs; the announcing networks are looked up in iptoasn routing data and locations in DB-IP Lite (CC BY 4.0) using one address per sampled range. Counts are recomputed daily.