ResearchRouting table, looking glass, RPKI & IRR

178.133.0.0/16 PrJSC "VF UKRAINE"

Announced by AS21497 PrJSC "VF UKRAINE". RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 178.133.0.0/16

Prefix
178.133.0.0/16
Origin
AS21497 UMC-AS
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
14
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 178.133.0.0/16 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 3257 21497
OriginAS21497 PrJSC "VF UKRAINE"
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated4d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 21497
OriginAS21497 PrJSC "VF UKRAINE"
Origin codeIGP
Communities903:900 903:13760
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 21497
OriginAS21497 PrJSC "VF UKRAINE"
Origin codeIGP
Communities36295:100
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 21497
OriginAS21497 PrJSC "VF UKRAINE"
Origin codeIGP
Communitiesnone
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3257 21497
OriginAS21497 PrJSC "VF UKRAINE"
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated8d 22h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS21497 to originate 178.133.0.0/16 up to /19. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
178.133.0.0/16/19AS21497 UMC-ASRIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
178.133.0.0/16AS21497 UMC-ASRIPEUMCUMC-MNT
More specific

Prefixes inside 178.133.0.0/16

14 announced prefixes fall inside this one.

Show the 14 prefixes
178.133.0.0/17 AS21497 UMC-AS178.133.0.0/18 AS21497 UMC-AS178.133.0.0/19 AS21497 UMC-AS178.133.32.0/19 AS21497 UMC-AS178.133.64.0/18 AS21497 UMC-AS178.133.64.0/19 AS21497 UMC-AS178.133.96.0/19 AS21497 UMC-AS178.133.128.0/17 AS21497 UMC-AS178.133.128.0/18 AS21497 UMC-AS178.133.128.0/19 AS21497 UMC-AS178.133.160.0/19 AS21497 UMC-AS178.133.192.0/18 AS21497 UMC-AS178.133.192.0/19 AS21497 UMC-AS178.133.224.0/19 AS21497 UMC-AS
Tools

Check 178.133.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API