ResearchRouting table, looking glass, RPKI & IRR

151.249.128.0/17 ALFA TELECOM s.r.o.

Announced by AS44546 ALFA TELECOM s.r.o. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 151.249.128.0/17

Prefix
151.249.128.0/17
Origin
AS44546 ALFATELECOM-AS
RPKI
RPKI valid
Size
32,768 addresses
Less specific
none
More specifics
25
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths

How 151.249.128.0/17 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 6762 50245 44546
OriginAS44546 ALFA TELECOM s.r.o.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated7d 15h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 50245 44546
OriginAS44546 ALFA TELECOM s.r.o.
Origin codeIGP
Communities903:900 903:13760
Updated8d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 1299 50245 44546
OriginAS44546 ALFA TELECOM s.r.o.
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated4h 38m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6762 50245 44546
OriginAS44546 ALFA TELECOM s.r.o.
Origin codeIGP
Communitiesnone
Updated8d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 50245 44546
OriginAS44546 ALFA TELECOM s.r.o.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated11d 17h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS44546 to originate 151.249.128.0/17 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
151.249.128.0/17/24AS42772 A1-BY-ASRIPE
151.249.128.0/17/24AS44546 ALFATELECOM-ASRIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
151.249.128.0/17AS44546 ALFATELECOM-ASRIPEIP-AS.COMRIPE-DB-MNT
More specific

Prefixes inside 151.249.128.0/17

25 announced prefixes fall inside this one.

Show the 25 prefixes
151.249.128.0/18 AS42772 A1-BY-AS151.249.128.0/21 AS42772 A1-BY-AS151.249.136.0/21 AS42772 A1-BY-AS151.249.144.0/22 AS42772 A1-BY-AS151.249.148.0/22 AS42772 A1-BY-AS151.249.152.0/21 AS42772 A1-BY-AS151.249.160.0/21 AS42772 A1-BY-AS151.249.168.0/21 AS42772 A1-BY-AS151.249.176.0/21 AS42772 A1-BY-AS151.249.184.0/21 AS42772 A1-BY-AS151.249.192.0/22 AS42772 A1-BY-AS151.249.196.0/22 AS42772 A1-BY-AS151.249.200.0/21 AS42772 A1-BY-AS151.249.208.0/21 AS42772 A1-BY-AS151.249.216.0/21 AS42772 A1-BY-AS151.249.224.0/21 AS42772 A1-BY-AS151.249.232.0/21 AS42772 A1-BY-AS151.249.240.0/22 AS42772 A1-BY-AS151.249.244.0/23 AS42772 A1-BY-AS151.249.244.0/24 AS42772 A1-BY-AS151.249.245.0/24 AS42772 A1-BY-AS151.249.246.0/23 AS42772 A1-BY-AS151.249.246.0/24 AS42772 A1-BY-AS151.249.247.0/24 AS42772 A1-BY-AS151.249.248.0/21 AS42772 A1-BY-AS
Tools

Check 151.249.128.0/17 live

Looking glassIP to ASN APIRPKI APIIRR API