AS19247
Northwestern Memorial Hospital
AS19247 is Northwestern Memorial Hospital (nm.org). It announces 1,024 IPv4 addresses in 4 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2017-07-07· Business
1,024
IPv4 addresses announced
4
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
1,024
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 States1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- AS19247
- name
- Northwestern Memorial Hospital
- org
- NMH-1
- org name
- Northwestern Memorial Hospital
- org address
- 259 East Erie Street, Chicago, IL, 60611
- org city
- Chicago
- org country
- US
- country
- US
- source
- arin
- created
- 2017-07-07
- updated
- 2017-07-07
- abuse name
- John Brow
- abuse email
- jbrow@nm.org
- abuse phone
- +1-312-695-2244
- abuse kind
- person
- abuse city
- Chicago
- abuse country
- US
- admin name
- John Brow
- admin email
- jbrow@nm.org
- admin phone
- +1-312-695-2244
- admin kind
- person
- admin city
- Chicago
- admin country
- US
- tech name
- John Brow
- tech email
- jbrow@nm.org
- tech phone
- +1-312-695-2244
- tech kind
- person
- 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.
- 0.29%
- anyIP, Geonode0.88%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.10%
- Web IP696.74%
- 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 |
|---|---|---|---|---|
| 204.62.116.0/24 | United States | Not found | 17 | 2026-10-02 |
| 204.62.117.0/24 | United States | Not found | 17 | 2026-10-02 |
| 204.62.118.0/24 | United States | Not found | 17 | 2026-10-02 |
| 204.62.119.0/24 | United States | Not found | 17 | 2026-10-02 |
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