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Network 133.221.0.0/16
route: 133.221.0.0/16 descr: IIJ Customer route origin: AS2497 mnt-by: MAINT-AS2497 changed: noc@iij.ad.jp 20140403 source: RADB last-modified: 2023-11-13T15:46:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.221.0.0/16 descr: IIJ Customer route origin: AS2497 mnt-by: MAINT-AS2497 changed: shuhei-o@iij.ad.jp 20250728 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source 
Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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JSYcQdG CF johedugfp 2025-10-19