AS36319
NorthShore University HealthSystem
AS36319 is NorthShore University HealthSystem (northshore.org). It announces 5,120 IPv4 addresses in 11 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2005-11-28· education
5,120
IPv4 addresses announced
11
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
5,120
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 States5,120 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ENWHC
- name
- NorthShore University HealthSystem
- org
- ENHC
- org name
- NorthShore University HealthSystem
- org address
- 4901 Searle Parkway, Skokie, IL, 60076
- org city
- Skokie
- org country
- US
- country
- US
- source
- arin
- created
- 2005-11-28
- updated
- 2012-03-02
- abuse name
- Mike Sinisi
- abuse email
- msinisi@northshore.org
- abuse phone
- +1-847-982-5416
- abuse kind
- person
- abuse city
- Skokie
- abuse country
- US
- admin name
- Mike Sinisi
- admin email
- msinisi@northshore.org
- admin phone
- +1-847-982-5416
- admin kind
- person
- admin city
- Skokie
- admin country
- US
- tech name
- Mike Sinisi
- tech email
- msinisi@northshore.org
- tech phone
- +1-847-982-5416
- tech kind
- person
- tech city
- Skokie
- tech country
- US
- abuse unvalidated since
- 2026-01-08
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.
- 0.14%
- geonode, proxyempire0.04%
- None here
- None here
- None here
- None here
- None here
- Hosting IP1,02420.00%
- None here
- None here
- None here
- 0.06%
- None here
- 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 |
|---|---|---|---|---|
| 198.251.16.0/23 | United States | not found | 16 | 2026-10-02 |
| 198.251.16.0/24 | United States | not found | 16 | 2026-10-02 |
| 198.251.17.0/24 | United States | not found | 16 | 2026-10-02 |
| 198.251.18.0/23 | United States | not found | 16 | 2026-10-02 |
| 198.251.18.0/24 | United States | not found | 16 | 2026-10-02 |
| 198.251.19.0/24 | United States | not found | 16 | 2026-10-02 |
| 204.26.16.0/20 | United States | not found | 16 | 2026-10-02 |
| 204.26.27.0/24 | United States | not found | 16 | 2026-10-02 |
| 204.26.28.0/24 | United States | not found | 16 | 2026-10-02 |
| 204.26.29.0/24 | United States | not found | 16 | 2026-10-02 |
| 204.26.30.0/24 | United States | not found | 16 | 2026-10-02 |
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