ASN Lookup Tool
AS19247 AS19247

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS19247
Organisation
Northwestern Memorial Hospital
Name
AS19247
Total IPv4 Addresses
66048
Total IPv4 Prefixes
258
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,884 out of 76,955
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2017-07-07
Registration Last Change
2017-07-07
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
US flagAT&T Services, Inc.
US flagComcast Cable Communications, LLC
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Range From165.20.0.0
Range To165.20.0.255
Range From165.20.1.0
Range To165.20.1.255
Range From165.20.2.0
Range To165.20.2.255
Range From165.20.3.0
Range To165.20.3.255
Range From165.20.4.0
Range To165.20.4.255
Showing 5 of 258
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.