ResearchRouting table, looking glass, RPKI & IRR

37.176.0.0/13 Fastweb SpA

Announced by AS30722 Fastweb SpA. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 37.176.0.0/13

Prefix
37.176.0.0/13
Origin
AS30722 VODAFONE-IT-ASN
RPKI
RPKI valid
Size
524,288 addresses
Less specific
none
More specifics
13
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 37.176.0.0/13 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 1273 30722
OriginAS30722 Fastweb SpA
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated4d 19h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 1273 30722
OriginAS30722 Fastweb SpA
Origin codeIGP
Communities903:900 903:13760
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 30722
OriginAS30722 Fastweb SpA
Origin codeIGP
Communities36295:100
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 30722
OriginAS30722 Fastweb SpA
Origin codeIGP
Communitiesnone
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1273 30722
OriginAS30722 Fastweb SpA
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated8d 21h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS30722 to originate 37.176.0.0/13 up to /20. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
37.176.0.0/13/20AS30722 VODAFONE-IT-ASNRIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
37.176.0.0/13AS30722 VODAFONE-IT-ASNRIPEIP route for VDF-IT customersVODAFONE-IT-MNT
More specific

Prefixes inside 37.176.0.0/13

13 announced prefixes fall inside this one.

Show the 13 prefixes
37.179.96.0/19 AS30722 VODAFONE-IT-ASN37.179.128.0/18 AS30722 VODAFONE-IT-ASN37.181.224.0/19 AS30722 VODAFONE-IT-ASN37.182.64.0/19 AS30722 VODAFONE-IT-ASN37.182.96.0/19 AS30722 VODAFONE-IT-ASN37.182.128.0/20 AS30722 VODAFONE-IT-ASN37.182.144.0/20 AS30722 VODAFONE-IT-ASN37.182.160.0/20 AS30722 VODAFONE-IT-ASN37.182.176.0/20 AS30722 VODAFONE-IT-ASN37.182.224.0/20 AS30722 VODAFONE-IT-ASN37.183.64.0/19 AS30722 VODAFONE-IT-ASN37.183.160.0/19 AS30722 VODAFONE-IT-ASN37.183.192.0/18 AS30722 VODAFONE-IT-ASN
Tools

Check 37.176.0.0/13 live

Looking glassIP to ASN APIRPKI APIIRR API