The Calyx Institute
AS4224 is The Calyx Institute (calyxinstitute.org). It announces 512 IPv4 addresses in 2 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1995-01-09· education
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 States512 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CALYX-AS
- name
- The Calyx Institute
- org
- THECA-92
- org name
- The Calyx Institute
- org address
- 254 36th Street, Suite C660 / Unit 48, Brooklyn, NY, 11232
- org city
- Brooklyn
- org country
- US
- country
- US
- source
- arin
- created
- 1995-01-09
- updated
- 2015-09-10
- abuse name
- Abuse Remediation Department
- abuse email
- abuse@calyxinstitute.org
- abuse phone
- +1-212-966-1900
- abuse kind
- role
- abuse city
- Brooklyn
- abuse country
- US
- admin name
- Admin
- admin email
- admin@calyxnetworks.org
- admin phone
- +1-347-383-3064
- admin kind
- role
- admin city
- Spokane
- admin country
- US
- tech name
- Technical
- tech email
- noc@calyxnetworks.org
- tech phone
- +1-347-383-3064
- tech kind
- role
- tech city
- Spokane
- tech country
- US
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.
- 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
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 162.247.72.0/24 | United States | not found | 18 | 2026-10-02 |
| 185.220.103.0/24 | United States | valid | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2602:fef9:100::/48 | United States | not found | 20 | 2026-10-02 |
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