ResearchRouting table, looking glass, RPKI & IRR

209.184.112.0/21

Nobody announces 209.184.112.0/21 on its own; it is covered by 209.184.0.0/16 AS7018 ATT-INTERNET4. Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 209.184.112.0/21

Prefix
209.184.112.0/21
Origin
not announced
Size
2,048 addresses
Less specific
209.184.0.0/16 AS7018 ATT-INTERNET4
More specifics
8
IRR route objects
1 exact, 2 covering
RPKI

Route origin authorizations

No ROA covers this prefix. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
209.184.112.0/21AS394720 ALAMO-COLLEGESARINRouteObject_AlamoColleges_AS394720MNT-AEL-360
209.184.64.0/18 coveringAS7132 SBIS-ASRADBDallas, TX Southwestern Bell Internet ServicesMAINT-AS7132
209.184.0.0/16 coveringAS7132 SBIS-ASRADBSBC Nationwide Backbone SBC Internet ServicesMAINT-AS7132
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

209.184.0.0/16 AS7018 ATT-INTERNET4
More specific

Prefixes inside 209.184.112.0/21

8 announced prefixes fall inside this one.

Show the 8 prefixes
209.184.112.0/24 AS394720 ALAMO-COLLEGES209.184.113.0/24 AS394720 ALAMO-COLLEGES209.184.114.0/24 AS394720 ALAMO-COLLEGES209.184.115.0/24 AS394720 ALAMO-COLLEGES209.184.116.0/24 AS394720 ALAMO-COLLEGES209.184.117.0/24 AS394720 ALAMO-COLLEGES209.184.118.0/24 AS394720 ALAMO-COLLEGES209.184.119.0/24 AS394720 ALAMO-COLLEGES
Tools

Check 209.184.112.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API