Does IPv4 Host Range upload my file or text to Tool-You servers?

No. IPv4 Host Range runs in this browser tab. Files stay on the device. Limit note: IPv4/CIDR. Bad CIDR fails.

Should I use IPv4 Broadcast instead of IPv4 Host Range?

Use IPv4 Host Range when you need First and last usable hosts. Use IPv4 Broadcast when you need Network and broadcast from CIDR. They share a category (Network) but not the same job.

IPv4 Host Range

First and last usable hosts.

Returns first/last usable hosts and usable count for IPv4/CIDR. Unlike IPv4 Broadcast this focuses on host range. Unlike CIDR Host Count this also prints endpoints. Bad CIDR fails.

What IPv4 Host Range does

Returns first/last usable hosts and usable count for IPv4/CIDR. Unlike IPv4 Broadcast this focuses on host range. Unlike CIDR Host Count this also prints endpoints. Bad CIDR fails.

Practical limit for IPv4 Host Range: IPv4/CIDR. Bad CIDR fails. That is why output can differ from heavy desktop Network software. Read the tool-specific note again: Returns first/last usable hosts and usable count for IPv4/CIDR. Unlike IPv4 Broadcast this focuses on host range. Unlike CIDR Host Count this also prints endpoints. Bad CIDR fails.

How to use IPv4 Host Range

Keep this tab on IPv4 Host Range (/network/ipv4-host-range). Pasting into the wrong Network tool (for example IPv4 Broadcast) changes the job.
Paste or type the input IPv4 Host Range expects. Path hint: network · ipv4 host range. First and last usable hosts.
Apply the IPv4 Host Range action only. CIDR Host Count is a different transform (Total and usable hosts plus dotted mask.). Returns first/last usable hosts and usable count for IPv4/CIDR. Unlike IPv4 Broadcast this focuses on host range. Unlike CIDR Host Count this also prints endpoints. Bad CIDR fails.
Copy the output of IPv4 Host Range if you need it elsewhere. Size/complexity still follows: IPv4/CIDR. Bad CIDR fails.
If the text job is actually Network and broadcast from CIDR., leave IPv4 Host Range and open IPv4 Broadcast.

When not to use IPv4 Host Range

Skip IPv4 Host Range when a neighbor tool matches better — start with IPv4 Broadcast or CIDR Host Count — or when the description already warns the job will fail. In the tool’s own words: Returns first/last usable hosts and usable count for IPv4/CIDR. Unlike IPv4 Broadcast this focuses on host range. Unlike CIDR Host Count this also prints endpoints. Bad CIDR fails.

Questions about IPv4 Host Range

What does IPv4 Host Range do that other Network pages on this site do not?: Returns first/last usable hosts and usable count for IPv4/CIDR. Unlike IPv4 Broadcast this focuses on host range. Unlike CIDR Host Count this also prints endpoints. Bad CIDR fails. Short version: First and last usable hosts.
Does IPv4 Host Range upload my file or text to Tool-You servers?: No. IPv4 Host Range runs in this browser tab. Files stay on the device. Limit note: IPv4/CIDR. Bad CIDR fails.
Should I use IPv4 Broadcast instead of IPv4 Host Range?: Use IPv4 Host Range when you need First and last usable hosts. Use IPv4 Broadcast when you need Network and broadcast from CIDR. They share a category (Network) but not the same job.
What are the limits of IPv4 Host Range?: IPv4/CIDR. Bad CIDR fails. Also: Returns first/last usable hosts and usable count for IPv4/CIDR. Unlike IPv4 Broadcast this focuses on host range. Unlike CIDR Host Count this also prints endpoints. Bad CIDR fails.