Routegraphs

Route Grapher

Target IP / prefix:
ASNs to check: Add

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Origin ASNs for 172.21.107.0/28

Origin ASNs	ROA valid?	Globally visible?
4242423768Add	✅	✅

Known ROA entries for 172.21.107.0/28

ROA entry	ASN	Max allowed length
172.21.107.0/28	4242423768	28

Sample Queries

Notes

This tool uses MRT dumps from the dn42 Global Route Collector (GRC).

• Blue: selected source ASN
• Green: origin ASN, passing ROA
• Red: origin ASN, failing ROA
• Solid line: this adjacency is known to exist from GRC paths
• Dashed line: guessed path; source ASN has no route to this prefix visible to the GRC