ResearchRouting table, looking glass, RPKI & IRR

2400:dd0d:2000::/48 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)

Announced by AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS). RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 2400:dd0d:2000::/48

Prefix
2400:dd0d:2000::/48
Origin
AS7497 CSTNET-AS-AP
RPKI
RPKI valid
Size
65,536 /64s
Less specific
2400:dd00::/28 AS7497 CSTNET-AS-AP
More specifics
0
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-12 04:07 UTC
Paths

How 2400:dd0d:2000::/48 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 174 7497
OriginAS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Origin codeIGP
Communities174:21201 174:22039 36601:150 36601:2001
Updated4d 2h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174 7497
OriginAS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Origin codeIGP
Communities903:13760
Updated4d 10h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3491 7497×4
OriginAS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Origin codeIGP
Communities36295:100
Updated4d 10h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 7497
OriginAS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Origin codeIGP
Communities174:21201 174:22039
Updated4d 10h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7497
OriginAS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Origin codeIGP
Communities174:21201 174:22039 36295:100 36295:174
Updated8d 3h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS7497 to originate 2400:dd0d:2000::/48 up to /48. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
2400:dd0d:2000::/48/48AS7497 CSTNET-AS-APAPNIC
2400:dd00::/28/28AS7497 CSTNET-AS-APAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
2400:dd00::/28 coveringAS7497 CSTNET-AS-APAPNICCHINA SCIENCE AND TECHNOLOGY NETWORKMAINT-CSTNET-CN
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

2400:dd00::/28 AS7497 CSTNET-AS-AP
Tools

Check 2400:dd0d:2000::/48 live

Looking glassIP to ASN APIRPKI APIIRR API