AS46286
Cook County
AS46286 is Cook County (cookcountygov.com). It announces 2,048 IPv4 addresses in 7 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2008-08-01· government
2,048
IPv4 addresses announced
7
IPv4 prefixes
0
IPv6 prefixes
85.71%
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
- COOK-COUNTY
- name
- Cook County
- org
- COOKC-2
- org name
- Cook County
- org address
- 118 N Clark Street, Chicago, IL, 60602
- org city
- Chicago
- org country
- US
- country
- US
- source
- arin
- created
- 2008-08-01
- updated
- 2008-08-01
- abuse
- NCC29-ARIN
- abuse name
- Network Control Center
- abuse email
- ddonelson@cookcountygov.com
- abuse phone
- +1-312-603-0087
- abuse kind
- role
- abuse city
- Chicago
- abuse country
- US
- admin name
- NCC Admin
- admin email
- NCC@cookcountyil.gov
- admin phone
- +1-312-603-9002
- admin kind
- role
- admin city
- Chicago
- admin country
- US
- tech
- NCC29-ARIN
- tech name
- Network Control Center
- tech email
- ddonelson@cookcountygov.com
- tech phone
- +1-312-603-0087
- tech kind
- role
- tech city
- Chicago
- tech country
- US
- abuse unvalidated since
- 2011-06-17
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 IP110.54%
- anyip0.10%
- None here
- None here
- None here
- None here
- None here
- Hosting IP25612.50%
- None here
- Carrier IP512AT&T25.00%
- None here
- 0.10%
- 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 |
|---|---|---|---|---|
| 12.218.238.0/23 | United States | not found | 16 | 2026-10-02 |
| 66.99.240.0/23 | United States | valid | 16 | 2026-10-02 |
| 162.217.184.0/22 | United States | valid | 18 | 2026-10-02 |
| 162.217.184.0/24 | United States | valid | 18 | 2026-10-02 |
| 162.217.185.0/24 | United States | valid | 18 | 2026-10-02 |
| 162.217.186.0/24 | United States | valid | 18 | 2026-10-02 |
| 162.217.187.0/24 | United States | valid | 18 | 2026-10-02 |
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