ResearchRouting table, looking glass, RPKI & IRR

123.255.72.0/21

Nobody announces 123.255.72.0/21 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 123.255.72.0/21

Prefix
123.255.72.0/21
Origin
not announced
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 4 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
123.255.72.0/21AS3661 ERX-CUHKNETAPNICThe Chinese University of Hong KongMAINT-CUHKNET-HK
123.255.64.0/20 coveringAS3661 ERX-CUHKNETAPNICThe Chinese University of Hong KongMAINT-CUHKNET-HK
123.255.64.0/20 coveringAS3661 ERX-CUHKNETNTTCOMCMI IP TransitMAINT-CMI-INT-HK
123.255.64.0/20 coveringAS3661 ERX-CUHKNETRADBNexusguard (Customer Route)MAINT-AS45474
123.255.64.0/19 coveringAS3661 ERX-CUHKNETRADBPACNET (proxy-registered route object)MAINT-AS4637
Tools

Check 123.255.72.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API