# Observed: ChatGPT-User

Daily request counts and verified share for ChatGPT-User.

The ChatGPT-User observation record on Rattlesnakes By Mail counts every request that Rattlesnakes By Mail logged from ChatGPT-User, day by day. Each daily row states the request count, the share of requests whose identity matched the vendor's published IP ranges or reverse DNS, and the formats served. A row appears only after Rattlesnakes By Mail logged at least one request from ChatGPT-User. Raw per-request rows are never exported, and every IP address is hashed with SHA-256 salted by the date before storage.

10 requests to this site from ChatGPT-User, 2026-09-18 to 2026-09-27. ChatGPT-User is OpenAI's crawler. The chart counts the pages it read on this site, day by day. On a typical day the site logs about 1 request from ChatGPT-User; the busiest day was 2026-09-19 with 3 requests, 6 times the typical day. Requests per day from ChatGPT-User, 2026-09-18 to 2026-09-27. Source: this site's own request logs, each request checked against the vendor's published identity. Method: /method.

An unverified request is a request whose source IP address was outside the vendor's published ranges and whose reverse DNS did not resolve to the vendor; an unverified request is not proof of spoofing.

Today: 1 requests, 1 verified.

## Summary, last 30 days

requests: 10
verified requests: 10
verified share (request-weighted): 100%
formats requested: html, json
first seen: 2026-09-18
last seen: 2026-09-27

## Daily rollup

Requests per day from ChatGPT-User, 2026-09-18 to 2026-09-27. ChatGPT-User made 10 requests in this window.

| Date | Requests | Verified share |
| --- | --- | --- |
| 2026-09-27 | 3 | 100% |
| 2026-09-25 | 1 | 100% |
| 2026-09-23 | 1 | 100% |
| 2026-09-19 | 3 | 100% |
| 2026-09-18 | 2 | 100% |