ResearchRouting table, looking glass, RPKI & IRR

203.77.168.0/21 01-00027433

Announced by AS153526 01-00027433. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 203.77.168.0/21

Prefix
203.77.168.0/21
Origin
AS153526 LMCSCL-AS-AP
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
9
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths

How 203.77.168.0/21 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 38082 153526
OriginAS153526 01-00027433
Origin codeIGP
Communities174:21201 174:22038 36601:150 36601:174 36601:2001
Updated7d 14h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 38082 153526
OriginAS153526 01-00027433
Origin codeIGP
Communities903:900 903:13760
Updated3d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 153526
OriginAS153526 01-00027433
Origin codeIGP
Communities36295:100
Updated2d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 153526
OriginAS153526 01-00027433
Origin codeIGP
Communitiesnone
Updated2d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 38082 153526
OriginAS153526 01-00027433
Origin codeIGP
Communities174:21201 174:22038 36295:100 36295:174
Updated11d 16h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS153526 to originate 203.77.168.0/21 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
203.77.168.0/21/24AS153526 LMCSCL-AS-APAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
203.77.168.0/21AS153526 LMCSCL-AS-APAPNICInternet Solution &Service Provider Co.Ltd. Bangkok,ThailandMAINT-LMCSCL-LA
203.77.168.0/21AS153526 LMCSCL-AS-APRADBCustomer Laos MobileMAINT-AS38082
More specific

Prefixes inside 203.77.168.0/21

9 announced prefixes fall inside this one.

Show the 9 prefixes
203.77.168.0/23 AS153526 LMCSCL-AS-AP203.77.168.0/24 AS153526 LMCSCL-AS-AP203.77.169.0/24 AS153526 LMCSCL-AS-AP203.77.170.0/23 AS153526 LMCSCL-AS-AP203.77.170.0/24 AS153526 LMCSCL-AS-AP203.77.172.0/23 AS153526 LMCSCL-AS-AP203.77.174.0/23 AS153526 LMCSCL-AS-AP203.77.174.0/24 AS153526 LMCSCL-AS-AP203.77.175.0/24 AS153526 LMCSCL-AS-AP
Tools

Check 203.77.168.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API