ResearchRouting table, looking glass, RPKI & IRR

38.156.16.0/24 ALONSO JOSE DARIO (SF PLUS!)

Announced by AS273930 ALONSO JOSE DARIO (SF PLUS!). RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 38.156.16.0/24

Prefix
38.156.16.0/24
Origin
AS273930 AS273930
RPKI
RPKI valid
Size
256 addresses
Less specific
38.0.0.0/8 AS174 COGENT-174
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-16 08:02 UTC
Paths

How 38.156.16.0/24 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 7195 52361 273930
OriginAS273930 ALONSO JOSE DARIO (SF PLUS!)
Origin codeIGP
Communities174:21301 174:22050 36601:150 36601:174 36601:2001 7195:54:0 7195:52605:52605 7195:5000000:0
Updated17h 24m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7195 52361 273930
OriginAS273930 ALONSO JOSE DARIO (SF PLUS!)
Origin codeIGP
Communities903:900 903:13760
Updated17h 23m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7195 52361 273930
OriginAS273930 ALONSO JOSE DARIO (SF PLUS!)
Origin codeIGP
Communities36295:100
Updated17h 23m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 7195 52361 273930
OriginAS273930 ALONSO JOSE DARIO (SF PLUS!)
Origin codeIGP
Communities174:21301 174:22050 7195:54:0 7195:52605:52605 7195:5000000:0
Updated17h 25m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7195 52361 273930
OriginAS273930 ALONSO JOSE DARIO (SF PLUS!)
Origin codeIGP
Communities174:21301 174:22050 36295:100 36295:174 7195:54:0 7195:52605:52605 7195:5000000:0
Updated21h 24m ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS273930 to originate 38.156.16.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
38.156.16.0/24/24AS273930 AS273930ARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
38.156.16.0/24AS273930 AS273930ARINRoute Registered for Cogent Communications Customer - ALONSO JOSE DARIOMNT-COGC
38.0.0.0/8 coveringAS174 COGENT-174RADBCogentMAINT-AS174
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

38.0.0.0/8 AS174 COGENT-174
Tools

Check 38.156.16.0/24 live

Looking glassIP to ASN APIRPKI APIIRR API