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Autonomous System Number 4 : ISI-AS (United States of America)

🖥 Autonomous System Number 4 : ISI-AS (United States of America)

Autonomous System (AS) number AS4 is managed by ISI-AS, an organization based in United States of America. Specific details about this AS are provided below. This data was last updated on: 2025-10-10T13:31:37.

United States of America (US) IP Address
IP Network - AS4
Address Range: AS4
Network Name: ISI-AS
Events: last changedregistration
ClassName: autnum
Notices:
Terms Of Service: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
https://www.arin.net/resources/registry/whois/tou/ ( Terms-of-service )
Whois Inaccuracy Reporting: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
If you see inaccuracies in the results, please visit:
https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ ( Inaccuracy-report )
Copyright Notice: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
If you see inaccuracies in the results, please visit:
Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
Status: Active
Links: https://rdap.arin.net/registry/autnum/4 ( Self )
https://whois.arin.net/rest/asn/AS4 ( Alternate )
Whois Server: whois.arin.net
Conformance: nro_rdap_profile_0, rdap_level_0, nro_rdap_profile_asn_flat_0

entity- USC-32-Z
Handle: USC-32-Z
Roles: Registrant
Events: last changed : 2023-09-21T13:24:09-04:00
registration : 2023-09-08T09:58:57-04:00
Links: https://rdap.arin.net/registry/entity/USC-32-Z ( Self )
https://whois.arin.net/rest/org/USC-32-Z ( Alternate )
Version: 4.0
Name: University of Southern California
kind: Org
Address: Information Sciences Institute 4676 Admiralty Way, Suite 1001 Marina del Rey CA 90292 United States
Entities:
Handle: ACT-ORG-ARIN
Roles: Abuse, Technical, Administrative
Links: https://rdap.arin.net/registry/entity/ACT-ORG-ARIN ( Self )
https://whois.arin.net/rest/poc/ACT-ORG-ARIN ( Alternate )
Events: last changed : 2025-06-02T13:16:53-04:00
Status: Validated
Whois Server: whois.arin.net
ClassName: entity
Version: 4.0
Address: 4676 Admiralty Way, Suite 1001 Marina del Rey CA 90292 United States
Name: IPC Computing Services
Org: IPC Computing Services
kind: Group
Email: action@isi.edu
Phone: +1-310-448-8289

🖥 IP Address Ranges for AS4

The following is a list of all IP address ranges that belong to Autonomous System AS4. Each entry shows the starting IP of the range and the total number of IPs it contains.

Network Start IP End IP Number of IP
128.9.0.0/20 128.9.0.0 128.9.15.255 4096
128.9.128.0/17 128.9.128.0 128.9.255.255 32768
128.9.16.0/22 128.9.16.0 128.9.19.255 1024
128.9.20.0/24 128.9.20.0 128.9.20.255 256
128.9.26.0/24 128.9.26.0 128.9.26.255 256
128.9.28.0/22 128.9.28.0 128.9.31.255 1024
128.9.32.0/19 128.9.32.0 128.9.63.255 8192
128.9.64.0/18 128.9.64.0 128.9.127.255 16384
143.255.168.0/23 143.255.168.0 143.255.169.255 512
195.234.95.0/24 195.234.95.0 195.234.95.255 256
198.32.16.0/24 198.32.16.0 198.32.16.255 256
206.117.27.0/24 206.117.27.0 206.117.27.255 256
206.117.31.0/24 206.117.31.0 206.117.31.255 256
206.117.37.0/24 206.117.37.0 206.117.37.255 256
206.117.6.0/24 206.117.6.0 206.117.6.255 256

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