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AS397367 Cranbrook Educational Community

United States CRANBROOK-01 ARIN 2 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
1,536
IPv6 /48 networks
0
RPKI
0 valid2 no ROA
Peers and downstreams
0

Holder

AS name
CRANBROOK-01
Description
Cranbrook Educational Community
Organisation
Cranbrook Educational Community
Abuse contact
Not published
Assigned
2019-03-06
Registered
2019-03-07
Record last changed
2019-03-07 21:02 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS7922 Comcast Cable Communications, LLC AS7922 · US Comcast Cable Communi… AS33668 Comcast Cable Communications, LLC AS33668 · US Comcast Cable Communi… AS397367 Cranbrook Educational Community AS397367 · US Cranbrook Educational…

Network health

Grade F · 25/100
fail Prefixes covered by valid ROAs
0 of 2 announced prefixes are RPKI valid, 2 have no ROA.		 0/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
fail Announces IPv6
No IPv6 prefixes are announced.		 0/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
fail Working abuse contact
No abuse contact is published in the registry.		 0/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2019-03-07.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS397367 health AS397367 RPKI
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Routing changes

Last 30 days
No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS397367
as-name:        CRANBROOK-01
handle:         AS397367
remarks:        www.cranbrook.edu
remarks:        NOC Hours 
remarks:        7:00AM to 5:00PM EST
registrant:     CEC-1 (Cranbrook Educational Community)
administrative,abuse,noc,dns,routing,technical:KLEIN350-ARIN (Jacob Klein) <administrator@cranbrook.edu>
last changed:   2019-03-07T16:02:34-05:00
registration:   2019-03-07T11:26:30-05:00
source:         ARIN (RDAP)