ResearchRouting table, looking glass, RPKI & IRR

163.253.78.0/23 Internet2

Announced by AS11164 Internet2. RPKI valid Seen by 3 of our 5 looking glass sessions.

Summary

What the table says about 163.253.78.0/23

Prefix
163.253.78.0/23
Origin
AS11164 INTERNET2-I2PX
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
1
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 04:03 UTC
Paths

How 163.253.78.0/23 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.

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 11164
OriginAS11164 Internet2
Origin codeIGP
Communities903:100 903:900
Updated5d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11164
OriginAS11164 Internet2
Origin codeIGP
Communities36295:100
Updated5d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 11164
OriginAS11164 Internet2
Origin codeIGP
Communitiesnone
Updated5d 11h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS11164 to originate 163.253.78.0/23 up to /23. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
163.253.78.0/23/23AS11164 INTERNET2-I2PXARIN
163.253.0.0/16/16AS11537 INTERNET2-RESEARCH-EDUARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
163.253.78.0/23AS11164 INTERNET2-I2PXRADBInternet2 CAIDA ROOTBEER ExperimentMAINT-AS11537
More specific

Prefixes inside 163.253.78.0/23

1 announced prefix fall inside this one.

Show the 1 prefixes
163.253.79.0/24 AS396955 INTERNET2-BLEND
Tools

Check 163.253.78.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API