ResearchRouting table, looking glass, RPKI & IRR

37.203.40.0/21

Nobody announces 37.203.40.0/21 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 37.203.40.0/21

Prefix
37.203.40.0/21
Origin
not announced
Size
2,048 addresses
Less specific
none
More specifics
2
IRR route objects
3 exact, 0 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
37.203.40.0/21AS19693 CENTRILOGIC-ASNRADBCentrilogic United KingdomMAINT-AS19693
37.203.40.0/21AS22684 SSIMICRORADBCENTRILOGIC INCMAINT-AS852
37.203.40.0/21AS44332RADBCentrilogic United KingdomMAINT-AS19693
More specific

Prefixes inside 37.203.40.0/21

2 announced prefixes fall inside this one.

Show the 2 prefixes
37.203.42.0/24 AS13768 COGECO-PEER137.203.44.0/23 AS33459 EVAULT-AS
Tools

Check 37.203.40.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API