ResearchRouting table, looking glass, RPKI & IRR

67.66.136.0/21 SSM Health Care

Announced by AS26305 SSM Health Care. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 67.66.136.0/21

Prefix
67.66.136.0/21
Origin
AS26305 ASN-SSM
RPKI
RPKI not found
Size
2,048 addresses
Less specific
67.64.0.0/14 AS7018 ATT-INTERNET4
More specifics
3
IRR route objects
3 exact, 1 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 67.66.136.0/21 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 20115 22677 26305
OriginAS26305 SSM Health Care
Origin codeincomplete
Communities13760:3109 36601:150 36601:2001 36601:13760
Updated23h 9m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 20115 22677 26305
OriginAS26305 SSM Health Care
Origin codeincomplete
Communities903:900 903:13760
Updated23h 10m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7843 22677 26305
OriginAS26305 SSM Health Care
Origin codeIGP
Communities36295:100
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 7843 22677 26305
OriginAS26305 SSM Health Care
Origin codeIGP
Communitiesnone
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7018 26305×2
OriginAS26305 SSM Health Care
Origin codeincomplete
Communities174:21000 174:22013 36295:100 36295:174
Updated22h 27m ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
67.66.136.0/21AS26305 ASN-SSMALTDBSSM Health Care SSM-CBLK-67-66-136-0 7980 Clayton Rd, Suite 401 St. Louis, MO 63117MAINT-MDS
67.66.136.0/21AS19444 CHARTER-19444-NALEVEL3Creata route object for Charter communicationNETENG-MNT
67.66.136.0/21AS26305 ASN-SSMRADBMN/WI/MI KMAMAINT-CHTR-WD
67.64.0.0/14 coveringAS7132 SBIS-ASRADBARIN Allocation SBC Internet ServicesMAINT-AS7132
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

67.64.0.0/14 AS7018 ATT-INTERNET4
More specific

Prefixes inside 67.66.136.0/21

3 announced prefixes fall inside this one.

Show the 3 prefixes
67.66.136.0/23 AS26305 ASN-SSM67.66.140.0/23 AS26305 ASN-SSM67.66.142.0/24 AS26305 ASN-SSM
Tools

Check 67.66.136.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API