ResearchRouting table, looking glass, RPKI & IRR

27.47.32.0/19 China Unicom Guangzhou network

Announced by AS17622 China Unicom Guangzhou network. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 27.47.32.0/19

Prefix
27.47.32.0/19
Origin
AS17622 CNCGROUP-GZ
RPKI
RPKI valid
Size
8,192 addresses
Less specific
27.47.0.0/18 AS17622 CNCGROUP-GZ
More specifics
9
IRR route objects
2 exact, 6 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 27.47.32.0/19 is reached

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 13760 3356 4837 17622
OriginAS17622 China Unicom Guangzhou network
Origin codeIGP
Communities3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2003 36601:150 36601:2001 36601:13760
Updated4d 12h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4837 17622
OriginAS17622 China Unicom Guangzhou network
Origin codeIGP
Communities903:900 903:13760
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837 17622
OriginAS17622 China Unicom Guangzhou network
Origin codeIGP
Communities36295:100
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4837 17622
OriginAS17622 China Unicom Guangzhou network
Origin codeIGP
Communitiesnone
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4837×2 17622
OriginAS17622 China Unicom Guangzhou network
Origin codeincomplete
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 22h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS17622 to originate 27.47.32.0/19 up to /19. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
27.47.32.0/19/19AS17622 CNCGROUP-GZAPNIC
27.47.0.0/18/18AS17622 CNCGROUP-GZAPNIC
27.40.0.0/13/13AS17816 CHINA169-GZAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
27.47.32.0/19AS17622 CNCGROUP-GZNTTCOMCMI IP TransitMAINT-CMI-INT-HK
27.47.32.0/19AS17622 CNCGROUP-GZRADBCMI (Customer Route)MAINT-AS58453
27.47.0.0/18 coveringAS17622 CNCGROUP-GZNTTCOMCMI IP TransitMAINT-CMI-INT-HK
27.47.0.0/18 coveringAS17622 CNCGROUP-GZRADBCMI (Customer Route)MAINT-AS58453
27.47.0.0/16 coveringAS17622 CNCGROUP-GZAPNICChina Unicom Guangdong Province NetworkMAINT-CNCGROUP-RR
27.46.0.0/15 coveringAS17816 CHINA169-GZAPNICChina Unicom B811&A1218, China Unicom No.21, Jin-Rong StreetMAINT-CNCGROUP-RR
27.40.0.0/13 coveringAS17816 CHINA169-GZNTTCOMCMI IP TransitMAINT-CMI-INT-HK
27.40.0.0/13 coveringAS17816 CHINA169-GZRADBCMI (Customer Route)MAINT-AS58453
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

27.47.0.0/18 AS17622 CNCGROUP-GZ27.40.0.0/13 AS17816 CHINA169-GZ
More specific

Prefixes inside 27.47.32.0/19

9 announced prefixes fall inside this one.

Show the 9 prefixes
27.47.32.0/23 AS17622 CNCGROUP-GZ27.47.34.0/23 AS17622 CNCGROUP-GZ27.47.36.0/23 AS17622 CNCGROUP-GZ27.47.38.0/23 AS17622 CNCGROUP-GZ27.47.40.0/23 AS17622 CNCGROUP-GZ27.47.42.0/23 AS17622 CNCGROUP-GZ27.47.56.0/22 AS17622 CNCGROUP-GZ27.47.56.0/23 AS17622 CNCGROUP-GZ27.47.58.0/23 AS17622 CNCGROUP-GZ
Tools

Check 27.47.32.0/19 live

Looking glassIP to ASN APIRPKI APIIRR API