ResearchRouting table, looking glass, RPKI & IRR

103.31.48.0/22 China Education and Research Network Center

Announced by AS4538 China Education and Research Network Center. RPKI not found Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 103.31.48.0/22

Prefix
103.31.48.0/22
Origin
AS4538 ERX-CERNET-BKB
RPKI
RPKI not found
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 3 covering
In RouteViews
2026-10-13 16:03 UTC
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
103.31.48.0/22AS56004 SHERNETAPNICShanghai Education and Research NetworkMAINT-CNNIC-AP
103.31.48.0/22AS4538 ERX-CERNET-BKBNTTCOMCMI IP TransitMAINT-CMI-INT-HK
103.31.48.0/22AS24201 ANDALASMEDIA-AS-IDNTTCOMroute-object for AS55658MAINT-AS10217
103.31.48.0/22AS4538 ERX-CERNET-BKBRADBCMI (Customer Route)MAINT-AS58453
103.31.48.0/21 coveringAS24201 ANDALASMEDIA-AS-IDNTTCOMroute-object for AS55658MAINT-AS10217
103.31.48.0/20 coveringAS24201 ANDALASMEDIA-AS-IDNTTCOMroute-object for AS55658MAINT-AS10217
103.31.32.0/19 coveringAS24201 ANDALASMEDIA-AS-IDNTTCOMroute-object for AS55658MAINT-AS10217
Tools

Check 103.31.48.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API