GreyNoise alternative: isIPsafe compared
GreyNoise specialises in internet-wide scanning activity, helping analysts separate background noise from targeted attacks. isipsafe is a community database of reported attackers, with a more generous free tier for lookups and blacklist downloads.
| isipsafe | GreyNoise | |
|---|---|---|
| Main question it answers | Have others reported this address for abuse recently? | Is this address scanning the internet, and what is it? |
| Free lookups | 400 a day without an account, 10,000 with one | 10 a day without an account, or up to 50 a week on the free tier with a business email |
| Free blocklist | The whole list, 10 downloads a day | 1 blocklist |
| Free alerts | Up to 10 networks, daily | 3 alerts |
| Deeper analysis | Reports, categories, and country and network pages | Paid modules add CVE intelligence, timelines and fingerprinting |
| Paid plans | Enterprise, with no public price | Tiers and modules, with no public price |
Which suits you?
isipsafe may suit you if you want free lookups and a list to block with, and can contribute your own reports.
GreyNoise may suit you if your team triages alerts or tracks exploited vulnerabilities, and benefits from knowing which traffic is mass scanning.
Source: GreyNoise pricing and community API documentation.
Legal note. This page was written by the isipsafe team, who have an interest in the service being compared. It is based on publicly available information as we understood it on 2 November 2026, and it may be incomplete, out of date or not an accurate assessment of any service. It is general information, not professional advice or a guarantee of any result. Before you rely on it, make your own independent assessment of whether a service meets your needs, and check the provider's current terms and prices. isipsafe is not affiliated with or endorsed by the other services named here. Their names are used only to identify them. Spotted a mistake or something out of date? Tell us and we will correct it.