ResearchRouting table, looking glass, RPKI & IRR

42.122.16.0/22 China Telecom

Announced by AS132536 China Telecom. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 42.122.16.0/22

Prefix

Origin

AS132536 CHINANET-TIANJIN-MAN-NEW

RPKI

RPKI valid

Size

1,024 addresses

Less specific

More specifics

IRR route objects

1 exact, 2 covering

In RouteViews

2026-10-14 12:02 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 4134 17638 132536

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 17638 132536

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 17638 132536

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 17638 132536

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 17638 132536

RPKI

Covered by a ROA authorizing AS132536 to originate 42.122.16.0/22 up to /22. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
42.122.16.0/22	/22	AS132536 CHINANET-TIANJIN-MAN-NEW	APNIC

IRR

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

Route	Origin	Source	Description	Maintained by
42.122.16.0/22	AS132536 CHINANET-TIANJIN-MAN-NEW	RADB	chinanet/CN2 TianJin province network	MAINT-AS58542
42.122.16.0/21 covering	AS17638 CHINATELECOM-TJ-AS-AP	RADB	ASN for TIANJIN Provincial Net of CT	MAINT-CT-GNOC
42.122.0.0/16 covering	AS17638 CHINATELECOM-TJ-AS-AP	RADB	ASN for TIANJIN Provincial Net of CT	MAINT-CT-GNOC

Less specific

Announced prefixes that contain this one, most specific first.

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