IP ranges refreshed: 12/12 sources, 1887 IPv4 + 1056 IPv6

Refreshed every operator-published crawler IP-range endpoint. GPTBot: 21v4/0v6; OAI-SearchBot: 35v4/0v6; ChatGPT-User: 204v4/0v6; Googlebot: 169v4/146v6; Google special-purpose crawlers: 135v4/135v6; Google user-triggered fetchers: 528v4/528v6; Google user-triggered fetchers (Google-owned ranges): 247v4/247v6; bingbot: 28v4/0v6; Applebot: 33v4/0v6; DuckDuckBot: 481v4/0v6; PerplexityBot: 8v4/0v6; Perplexity-User: 4v4/0v6