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Tier26

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Tier26 1y ago

Weird traceroute hop with no reverse DNS · Networking

Hong Kong perspective. 203.0.113.45 is in TEST-NET-3 per RFC 5737, but traceroute shows it live. Somebody using documentation space for real routing? Or filtered display?

I see this from HKIX sometimes, placeholder IPs leak into BGP. Not supposed to happen but here we are.