ResearchRouting table, looking glass, RPKI & IRR

158.144.42.0/23 Tata Institute of Fundamental Research

Announced by AS58758 Tata Institute of Fundamental Research. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 158.144.42.0/23

Prefix
158.144.42.0/23
Origin
AS58758 TIFR-AS
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
2
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 12:02 UTC
Paths

How 158.144.42.0/23 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 9498 9885 55824 58758
OriginAS58758 Tata Institute of Fundamental Research
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated3d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 64049 55836 9885 55824 58758
OriginAS58758 Tata Institute of Fundamental Research
Origin codeIGP
Communities903:900 903:13760
Updated2h 42m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9498 9885 55824 58758
OriginAS58758 Tata Institute of Fundamental Research
Origin codeIGP
Communities36295:100
Updated2d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 9498 9885 55824 58758
OriginAS58758 Tata Institute of Fundamental Research
Origin codeIGP
Communitiesnone
Updated2d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 9498 9885 55824 58758
OriginAS58758 Tata Institute of Fundamental Research
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated3d 10h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS58758 to originate 158.144.42.0/23 up to /23. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
158.144.42.0/23/23AS58758 TIFR-ASAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
158.144.42.0/23AS58758 TIFR-ASAPNICRoute ObjectMAINT-IN-TIFR, MAINT-IN-IRINN
158.144.0.0/17 coveringAS4755 TATACOMM-ASRADBVSNL Route ObjectMAINT-VSNL-IN
More specific

Prefixes inside 158.144.42.0/23

2 announced prefixes fall inside this one.

Show the 2 prefixes
158.144.42.0/24 AS58758 TIFR-AS158.144.43.0/24 AS58758 TIFR-AS
Tools

Check 158.144.42.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API