ResearchRouting table, looking glass, RPKI & IRR

199.102.136.0/21 Cross Development/Montgomery LP

Announced by AS11135 Cross Development/Montgomery LP. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 199.102.136.0/21

Prefix
199.102.136.0/21
Origin
AS11135 CROSS-DEVELOPMENT-MONTGOMERY
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 199.102.136.0/21 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 3356 11135
OriginAS11135 Cross Development/Montgomery LP
Origin codeIGP
Communities3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2014 36601:150 36601:2001 36601:13760
Updated4d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 11135
OriginAS11135 Cross Development/Montgomery LP
Origin codeIGP
Communities903:900 903:13760
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 11135
OriginAS11135 Cross Development/Montgomery LP
Origin codeIGP
Communities36295:100
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 3356 11135
OriginAS11135 Cross Development/Montgomery LP
Origin codeIGP
Communitiesnone
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 19108 11135
OriginAS11135 Cross Development/Montgomery LP
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 21h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS11135 to originate 199.102.136.0/21 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
199.102.136.0/21/24AS11135 CROSS-DEVELOPMENT-MONTGOMERYARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
199.102.136.0/21AS11135 CROSS-DEVELOPMENT-MONTGOMERYARINCross Development/Montgomery LPMNT-CDL-58
199.102.136.0/21AS11135 CROSS-DEVELOPMENT-MONTGOMERYLEVEL3WestlinWESTLIN-MNT
199.102.136.0/21AS11135 CROSS-DEVELOPMENT-MONTGOMERYRADBCross Development/Montgomery LPMAINT-AS19108
Tools

Check 199.102.136.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API