“IP purity” is a community term, not a universal Internet standard. Platforms usually evaluate reputation signals such as ASN, residential or datacentre classification, proxy/VPN/Tor indicators, abuse history and behavioural context.
Shared addresses inherit shared history
If hundreds of users leave through one proxy exit, abusive activity by some of them can damage the reputation seen by unrelated users. Repeatedly switching countries or datacentre exits can also create additional account-risk signals.
Wenvo Tools can show the current exit and several common risk indicators:
The score is a reference, not a promise that another platform will accept the address. Every service has its own risk model.
Think “IP reputation and network profile,” not a globally agreed cleanliness percentage.