AS54539
Calhoun ISD
AS54539 is Calhoun ISD (calhounisd.org). It announces 2,048 IPv4 addresses in 3 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2012-03-13· education
2,048
IPv4 addresses announced
3
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
2,048
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 States2,048 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CISD
- name
- Calhoun ISD
- org
- CALHOU-3
- org name
- Calhoun ISD
- org address
- 17111 G Drive North, Marshall, MI, 49068
- org city
- Marshall
- org country
- US
- country
- US
- source
- arin
- created
- 2012-03-13
- updated
- 2012-03-13
- remarks
- https://helpdesk.calhounisd.org
- abuse name
- Network Abuse
- abuse email
- abuse@calhounisd.org
- abuse phone
- +1-269-781-5141
- abuse kind
- role
- abuse city
- Marshall
- abuse country
- US
- admin name
- IP Administrator
- admin email
- ipadmin@calhounisd.org
- admin phone
- +1-269-781-5141
- admin kind
- role
- admin city
- Marshall
- admin country
- US
- tech name
- IP Administrator
- tech email
- ipadmin@calhounisd.org
- tech phone
- +1-269-781-5141
- tech kind
- role
- tech city
- Marshall
- 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.
- VPN IP2049.96%
- anyip0.15%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.10%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 199.182.64.0/21 | United States | valid | 16 | 2026-10-02 |
| 199.182.64.0/22 | United States | valid | 17 | 2026-10-02 |
| 199.182.68.0/22 | United States | valid | 17 | 2026-10-02 |
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