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is-ip-att-watch
x402
is-ip-att-watch is a paid API for AI agents from ip.intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-12).
Monitors whether an IP address belongs to AT&T and alerts on changes by comparing current results with the previously stored check from up to 90 days ago.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for is ip att: runs the check, compares it with the result from your previous call for the same ip (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.
Output
Returns the current boolean answer for whether the IP belongs to AT&T, a 'changed' true/false flag, the specific fields that changed with before and after values, and a timestamp for when the IP was last seen. Historical state is retained for 90 days per IP.
Example use cases
ISP migration detection for client IP
“Check if 98.210.100.45 is still an AT&T IP and tell me if anything has changed since the last time you checked — I need to know if they've moved off AT&T.”
Scheduled AT&T watch for infrastructure audit
“Set up a watch on 12.129.22.1 so I get alerted whenever it switches on or off AT&T — show me the before and after values when it changes.”
Verify ISP status after network event
“Run a change-watch check on 67.161.45.200 to see if it's still flagged as an AT&T IP, and tell me whether the result is different from the previous check.”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/watch/ip/is/att?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect changes in AT&T IP ownership over time rather than just a one-time lookup. Ideal for scheduled monitoring workflows where you want to be alerted only when something changes, reducing noise from repeated identical checks. Prefer over a simple is-ip-att lookup when historical comparison and change diffing are required.
Side effects
- IP not previously checked — no prior state to compare against, changed will be false or unavailable
- Invalid or malformed IP address input — returns error
- Private/reserved IP ranges may return no meaningful result
- 90-day history window exceeded — prior state purged, no diff available
- Network timeout reaching the AT&T WHOIS/RDAP data source
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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