AS397367
Cranbrook Educational Community
AS397367 is Cranbrook Educational Community (cranbrook.edu). It announces 1,536 IPv4 addresses in 2 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2019-03-07· Education
1,536
IPv4 addresses announced
2
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
1,536
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States1,536 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CRANBROOK-01
- name
- Cranbrook Educational Community
- org
- CEC-1
- org name
- Cranbrook Educational Community
- org address
- 522 Lone Pine Road, Bloomfield Hills, MI, 48304
- org city
- Bloomfield Hills
- org country
- US
- country
- US
- source
- arin
- created
- 2019-03-07
- updated
- 2019-03-07
- remarks
- www.cranbrook.edu / NOC Hours / 7:00AM to 5:00PM EST
- abuse name
- Jacob Klein
- abuse email
- abuse@cranbrook.edu
- abuse phone
- +1-248-645-3327
- abuse kind
- person
- abuse city
- Bloomfield Hills
- abuse country
- US
- admin name
- Jacob Klein
- admin email
- abuse@cranbrook.edu
- admin phone
- +1-248-645-3327
- admin kind
- person
- admin city
- Bloomfield Hills
- admin country
- US
- tech name
- Jacob Klein
- tech email
- abuse@cranbrook.edu
- tech phone
- +1-248-645-3327
- tech kind
- person
- tech city
- Bloomfield Hills
- tech country
- US
- abuse validated
- 1
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.07%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.07%
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 198.134.8.0/22 | United States | Not found | 17 | 2026-10-02 |
| 198.134.12.0/23 | United States | Not found | 17 | 2026-10-02 |
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