ResearchRouting table, looking glass, RPKI & IRR

203.21.128.0/18

Nobody announces 203.21.128.0/18 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 203.21.128.0/18

Prefix
203.21.128.0/18
Origin
not announced
Size
16,384 addresses
Less specific
none
More specifics
16
IRR route objects
1 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
203.21.128.0/18AS198949 RadwareRADBIRIDEOSMAINT-AS198949
More specific

Prefixes inside 203.21.128.0/18

16 announced prefixes fall inside this one.

Show the 16 prefixes
203.21.130.0/23 AS10148 UNIMELB-AS-AP203.21.134.0/24 AS58716 PENRITHCC-AS-AP203.21.140.0/22 AS135409 KBSPL-AS-AP203.21.140.0/24 AS135409 KBSPL-AS-AP203.21.150.0/23 AS137896 HUNTERWATER-AS-AP203.21.150.0/24 AS137896 HUNTERWATER-AS-AP203.21.151.0/24 AS137896 HUNTERWATER-AS-AP203.21.152.0/24 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK203.21.153.0/24 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK203.21.154.0/24 AS9435 SCSPL-AS-AP203.21.182.0/23 AS24463 PACIFICNATIONALSERVICES-AS-AP203.21.182.0/24 AS24463 PACIFICNATIONALSERVICES-AS-AP203.21.183.0/24 AS24463 PACIFICNATIONALSERVICES-AS-AP203.21.190.0/23 AS24463 PACIFICNATIONALSERVICES-AS-AP203.21.190.0/24 AS24463 PACIFICNATIONALSERVICES-AS-AP203.21.191.0/24 AS24463 PACIFICNATIONALSERVICES-AS-AP
Tools

Check 203.21.128.0/18 live

Looking glassIP to ASN APIRPKI APIIRR API