ResearchRouting table, looking glass, RPKI & IRR

167.21.0.0/16

Nobody announces 167.21.0.0/16 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 167.21.0.0/16

Prefix
167.21.0.0/16
Origin
not announced
Size
65,536 addresses
Less specific
none
More specifics
5
IRR route objects
2 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
167.21.0.0/16AS34 UDELNETRADBComcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054MAINT-AS7922
167.21.0.0/16AS30641 STATEOFDERADBState of DelawareMAINT-AS30641
More specific

Prefixes inside 167.21.0.0/16

5 announced prefixes fall inside this one.

Show the 5 prefixes
167.21.0.0/17 AS30641 STATEOFDE167.21.0.0/24 AS46887 CROWNCASTLE-AS46887167.21.32.0/21 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK167.21.128.0/17 AS30641 STATEOFDE167.21.152.0/21 AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
Tools

Check 167.21.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API