Skip to content
Install MCP

Country

Japan

Last fetched

Japan (JP) has 1,203 Autonomous Systems registered to it in WhisperGraph. A sample of 500 of those networks announces 9,657 prefixes.

Registered networks

1,203

Autonomous Systems whose RIR registration names Japan. Exact count.

Top operators (sampled)

Ranked by announced-prefix count across a sample of 500 of Japan's networks, taken in storage order. Not a national ranking: the sample announces 9,657 prefixes in total.

Related pages

Pivot from Japan into the networks registered there.

Queries

The sampled ASN routing footprint and top-operators rollup.


MATCH (a:ASN)-[:HAS_COUNTRY]->(:COUNTRY {name: $code})
WITH a
LIMIT $sample
OPTIONAL MATCH (a)-[:HAS_NAME]->(an:ASN_NAME)
OPTIONAL MATCH (a)-[:ROUTES]->(ap:ANNOUNCED_PREFIX)
WITH a, an, count(ap) AS prefixCount
ORDER BY prefixCount DESC
WITH collect({asn: a.name, operator: an.name, prefixCount: prefixCount}) AS operators,
     count(a) AS sampledAsns,
     sum(prefixCount) AS prefixTotal
RETURN sampledAsns, prefixTotal, operators[0..10] AS topOperators
Run yourself →

The exact ASN count.

MATCH (a:ASN)-[:HAS_COUNTRY]->(:COUNTRY {name: $code}) RETURN count(a) AS asnCount
Run yourself →

Or query Whisper from your own LLM workflow via the Whisper MCP server.