ResearchRouting table, looking glass, RPKI & IRR

178.21.156.0/23 Allegro sp. z o.o.

Announced by AS42656 Allegro sp. z o.o. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 178.21.156.0/23

Prefix
178.21.156.0/23
Origin
AS42656 QXL-POLAND
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-15 00:02 UTC
Paths

How 178.21.156.0/23 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 3356 42656
OriginAS42656 Allegro sp. z o.o.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated22h 46m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 42656
OriginAS42656 Allegro sp. z o.o.
Origin codeIGP
Communities903:900 903:13760
Updated7d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 42656
OriginAS42656 Allegro sp. z o.o.
Origin codeIGP
Communities36295:100
Updated7d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 42656
OriginAS42656 Allegro sp. z o.o.
Origin codeIGP
Communitiesnone
Updated7d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 42656
OriginAS42656 Allegro sp. z o.o.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated11d 2h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS42656 to originate 178.21.156.0/23 up to /23. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
178.21.156.0/23/23AS42656 QXL-POLANDRIPE
178.21.152.0/21/21AS202 CENTURYLINK-LEGACY-LVLT-202RIPE
178.21.152.0/21/21AS203 CENTURYLINK-LEGACY-LVLT-203RIPE
178.21.152.0/21/21AS3356 LEVEL3RIPE
178.21.152.0/21/24AS31621 QXL-net-Poland-ASRIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
178.21.156.0/23AS31621 QXL-net-Poland-ASRIPEAllegro Sp. z o.o.QXL-MNT
178.21.156.0/23AS42656 QXL-POLANDRIPEAllegro Sp. z o.o.QXL-MNT
178.21.152.0/21 coveringAS31621 QXL-net-Poland-ASRIPEGrupa Allegro Sp. z o.o.QXL-MNT
Tools

Check 178.21.156.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API