ResearchRouting table, looking glass, RPKI & IRR

66.231.0.0/19 SDN Communications

Announced by AS13576 SDN Communications. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 66.231.0.0/19

Prefix
66.231.0.0/19
Origin
AS13576 SDNW-13576
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
18
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 16:03 UTC
Paths

How 66.231.0.0/19 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 13576
OriginAS13576 SDN Communications
Origin codeincomplete
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated5d 13h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 13576
OriginAS13576 SDN Communications
Origin codeIGP
Communities903:900 903:13760
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 13576
OriginAS13576 SDN Communications
Origin codeIGP
Communities36295:100
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 13576
OriginAS13576 SDN Communications
Origin codeIGP
Communitiesnone
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 13576
OriginAS13576 SDN Communications
Origin codeincomplete
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 14h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS13576 to originate 66.231.0.0/19 up to /19. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
66.231.0.0/19/19AS13576 SDNW-13576ARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
66.231.0.0/19AS13576 SDNW-13576ARINSDN Communications 2900 WEST 10TH STREET Sioux Falls SD 57104 United StatesMNT-SDN
66.231.0.0/19AS13576 SDNW-13576RADBSDN CommunicationsMAINT-AS13576
More specific

Prefixes inside 66.231.0.0/19

18 announced prefixes fall inside this one.

Show the 18 prefixes
66.231.0.0/24 AS13576 SDNW-1357666.231.2.0/23 AS401415 ALLIANCECOM-NET66.231.9.0/24 AS17203 BMTC-0166.231.11.0/24 AS17203 BMTC-0166.231.12.0/24 AS17203 BMTC-0166.231.13.0/24 AS18785 SANTELCOMMCOOP66.231.15.0/24 AS13576 SDNW-1357666.231.16.0/24 AS399439 ATV-PUBLIC66.231.17.0/24 AS399439 ATV-PUBLIC66.231.19.0/24 AS6312 TRIOTELASN66.231.21.0/24 AS13576 SDNW-1357666.231.22.0/24 AS18785 SANTELCOMMCOOP66.231.24.0/24 AS6312 TRIOTELASN66.231.26.0/24 AS13576 SDNW-1357666.231.29.0/24 AS13576 SDNW-1357666.231.30.0/23 AS63172 VENTURE-COMM66.231.30.0/24 AS63172 VENTURE-COMM66.231.31.0/24 AS63172 VENTURE-COMM
Tools

Check 66.231.0.0/19 live

Looking glassIP to ASN APIRPKI APIIRR API