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More Specific Announcements

	Prefix	Description
	150.55.0.0/17	Japan Network Information Center
	150.55.0.0/18	Japan Network Information Center
	150.55.64.0/18	Japan Network Information Center
	150.55.128.0/17	Japan Network Information Center
	150.55.128.0/21	Japan Network Information Center
	150.55.128.0/22	Japan Network Information Center
	150.55.132.0/22	Japan Network Information Center
	150.55.128.0/18	Japan Network Information Center
	150.55.192.0/18	Japan Network Information Center

Chart Display Options

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Display paths to Route Servers

Display links using non straight lines

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS2907	Science Information Network

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Peers

	ASN	Description
	AS2907	Science Information Network

Last Update: 2026-08-16T03:23:15Z UTC

IRR Databases

IRR	Expected ASN
jpirr	AS18124	Show Raw route: 150.55.0.0/16 descr: Okayama University of Science origin: AS18124 mnt-by: MAINT-AS2907 changed: as2907@sinet.ad.jp 20251201 source: JPIRR
nttcom	AS18124	Show Raw route: 150.55.0.0/16 descr: Okayama University of Science origin: AS18124 notify: netadmin@center.ous.ac.jp mnt-by: MAINT-AS18124 changed: masuzawa@ntt.ocn.ne.jp 20020429 source: NTTCOM