ResearchRouting table, looking glass, RPKI & IRR

74.123.136.0/22 Alyeska Information Technology Services LLC

Announced by AS27398 Alyeska Information Technology Services LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 74.123.136.0/22

Origin
AS27398 AITSL-27398
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-13 00:02 UTC

How 74.123.136.0/22 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 13760 6939 27398
OriginAS27398 Alyeska Information Technology Services LLC
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated5d 0h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 27398
OriginAS27398 Alyeska Information Technology Services LLC
Origin codeIGP
Communities903:900 903:13760
Updated5d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 27398
OriginAS27398 Alyeska Information Technology Services LLC
Origin codeIGP
Communities36295:100
Updated5d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 27398
OriginAS27398 Alyeska Information Technology Services LLC
Origin codeIGP
Communitiesnone
Updated5d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 6939×2 27398
OriginAS27398 Alyeska Information Technology Services LLC
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 2h ago

Route origin authorizations

Covered by a ROA authorizing AS27398 to originate 74.123.136.0/22 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
74.123.136.0/22/24AS27398 AITSL-27398ARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
74.123.136.0/22AS27398 AITSL-27398ARINAlyeska Information Technology Services LLC North AmericaMNT-AITSL
74.123.136.0/22AS27398 AITSL-27398RADBAlyeska Information Technology Services LLCMAINT-AS8047
74.123.136.0/21 coveringAS11915 US-TELEPACIFICRADBPeer1 Route ObjectMAINT-AS13768
74.123.136.0/21 coveringAS53358RADBAdded by Grande Communications on Behalf of TelWestMAINT-AS7459

Check 74.123.136.0/22 live