ResearchRouting table, looking glass, RPKI & IRR

110.4.48.0/21 JCOM Co., Ltd.

Announced by AS4721 JCOM Co., Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 110.4.48.0/21

Prefix

Origin

RPKI

RPKI valid

Size

2,048 addresses

Less specific

More specifics

IRR route objects

2 exact, 2 covering

In RouteViews

2026-10-12 16:02 UTC

Paths

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 2516 9824×3 4721

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2516 9824×3 4721

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9824 4721

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 9824 4721

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 2516 9824×3 4721

RPKI

Covered by a ROA authorizing AS4721 to originate 110.4.48.0/20 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
110.4.48.0/20	/24	AS4721 JCN	APNIC
110.4.48.0/20	/24	AS9824 JTCL-JP-AS	APNIC

IRR

Registered in the IRR for this prefix and the ones covering it. Look it up live.

Route	Origin	Source	Description	Maintained by
110.4.48.0/21	AS4721 JCN	JPIRR	JCOM Co., Ltd. (J:COM)	MAINT-AS9824
110.4.48.0/21	AS4721 JCN	RADB	J:COM (former JCN)	MAINT-AS9824
110.4.48.0/20 covering	AS4721 JCN	JPIRR	JCOM Co., Ltd. (J:COM)	MAINT-AS9824
110.4.48.0/20 covering	AS4721 JCN	RADB	J:COM (former JCN)	MAINT-AS9824

Less specific

Announced prefixes that contain this one, most specific first.

Tools