# IP 判官 (ipjudge.org)

Looks up your public IP, ASN and WHOIS data so AI assistants and command-line tools can query it via API or MCP.

- Atlas card: https://inite.ai/en/atlas/ipjudge.org
- Site: https://ipjudge.org
- Categories: agents
- Use 0/100 · alive 100/100

## Used for

- look up whois and ASN records for an IP address
- query IP details as JSON through an API or curl
- check IPv4 and IPv6 connection information from a browser

## Price

Not read yet.

## For developers

- API docs: https://ipjudge.org/tools/api
- MCP server: org.ipjudge/ipjudge (namespace; open on 2026-10-21, 4 tools)
- Read 2026-10-21

## MCP server, measured daily

Server: https://ipjudge.org/mcp, checked every day since 2026-10-21 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 7279 ms
- Sign-in: none
- Context its tool definitions take: about 320 tokens (4 tools)
- Tool definitions: C, 71/100
- Failing "params_described": 3 of 4 tools
- Failing "annotations": 4 of 4 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-21

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Source: INITE Atlas, https://inite.ai/en/atlas/ipjudge.org. JSON: https://inite.ai/api/atlas/ipjudge.org. MCP: https://inite.ai/api/mcp (atlas_lookup).