ResearchRouting table, looking glass, RPKI & IRR

2404:3700::/48 Zenlayer Inc

Announced by AS21859 Zenlayer Inc. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS137702

What the table says about 2404:3700::/48

Origin
AS21859 ZEN-ECN
RPKI
RPKI valid
Size
65,536 /64s
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-12 08:09 UTC

How 2404:3700::/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 4134 137702
OriginAS137702 Nanjing, Jiangsu Province, P.R.China.
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:2001
Updated4d 9h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 57463 4229 21859×2
OriginAS21859 Zenlayer Inc
Origin codeIGP
Communities903:13760
Updated4d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 57463 4229 21859×2
OriginAS21859 Zenlayer Inc
Origin codeIGP
Communities36295:100
Updated4d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4134 137702
OriginAS137702 Nanjing, Jiangsu Province, P.R.China.
Origin codeIGP
Communities174:21001 174:22013
Updated4d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 137702
OriginAS137702 Nanjing, Jiangsu Province, P.R.China.
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 10h ago

Route origin authorizations

Covered by a ROA authorizing AS21859 to originate 2404:3700::/32 up to /64. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
2404:3700::/32/64AS4837 CHINA169-BackboneAPNIC
2404:3700::/32/64AS21859 ZEN-ECNAPNIC
2404:3700::/32/64AS56046 CMNET-Jiangsu-APAPNIC
2404:3700::/32/64AS137702 CHINATELECOM-JIANGSU-NANJING-IDCAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
2404:3700::/48AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
2404:3700::/48AS21859 ZEN-ECNRADBZL-IDC-LAX&SINMAINT-AS21859
2404:3700::/48AS137702 CHINATELECOM-JIANGSU-NANJING-IDCRADBJS-CT NJ-IDCMAINT-AS137702

Check 2404:3700::/48 live