Ann & Robert H. Lurie Children's Hospital of Chicago
AS31770 is Ann & Robert H. Lurie Children's Hospital of Chicago (luriechildrens.org). It announces 2,304 IPv4 addresses in 9 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2003-12-17· Business
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 States2,304 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CMMC-I2
- name
- Ann & Robert H. Lurie Children's Hospital of Chicago
- org
- CMMC
- org name
- Ann & Robert H. Lurie Children's Hospital of Chicago
- org address
- 225 East Chicago Avenue, Chicago, IL, 60611
- org city
- Chicago
- org country
- US
- country
- US
- source
- arin
- created
- 2003-12-17
- updated
- 2003-12-17
- abuse name
- POC
- abuse email
- poc@luriechildrens.org
- abuse phone
- +1-312-227-4000
- abuse kind
- role
- abuse city
- Chicago
- abuse country
- US
- admin name
- POC
- admin email
- poc@luriechildrens.org
- admin phone
- +1-312-227-4000
- admin kind
- role
- admin city
- Chicago
- admin country
- US
- tech name
- POC
- tech email
- poc@luriechildrens.org
- tech phone
- +1-312-227-4000
- tech kind
- role
- tech city
- Chicago
- 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.
- 0.13%
- anyIP0.04%
- 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
- 0.17%
- 0.04%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 192.206.211.0/24 | United States | Not found | 17 | 2026-10-02 |
| 192.206.212.0/24 | United States | Not found | 17 | 2026-10-02 |
| 192.206.216.0/24 | United States | Not found | 3 | 2026-10-02 |
| 199.125.16.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.125.17.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.125.18.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.125.20.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.125.30.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.125.31.0/24 | United States | Not found | 17 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.