128.9.192.0/18

AS4 · University of Southern California

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Summary

Country	United States
Domain	usc.edu
ASN	AS4
Registry	ARIN
ID	ISI-NET

WHOIS Details

NetHandle:      NET-128-9-0-0-1
OrgID:          USC-32-Z
Parent:         NET-128-0-0-0-0
NetName:        ISI-NET
NetRange:       128.9.0.0 - 128.9.255.255
NetType:        allocation
RegDate:        1984-08-01
Updated:        2023-09-29
TechHandle:     ACT-ORG-ARIN
Source:         ARIN


OrgID:          USC-32-Z
OrgName:        University of Southern California
CanAllocate:    
Street:         Information Sciences Institute
Street:         4676 Admiralty Way, Suite 1001
City:           Marina del Rey
State/Prov:     CA
Country:        US
PostalCode:     90292
RegDate:        2023-09-08
Updated:        2023-09-21
OrgAdminHandle: ACT-ORG-ARIN
OrgTechHandle:  ACT-ORG-ARIN
OrgAbuseHandle: ACT-ORG-ARIN
Source:         ARIN


POCHandle:      ACT-ORG-ARIN
IsRole:         Y
LastName:       IPC Computing Services
FirstName:      
Street:         4676 Admiralty Way, Suite 1001
City:           Marina del Rey
State/Prov:     CA
Country:        US
PostalCode:     90292
RegDate:        1970-01-01
Updated:        2025-06-02
OfficePhone:    +1-310-448-8289
Mailbox:        action@isi.edu
Source:         ARIN

Hosted domains

There are 5 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
128.9.208.217	socialknowledgecollection.org	3
128.9.216.36	okn-infrastructure.org	1
128.9.208.130	datascience4all.org	1

Hosted domains API

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
38.90.157.2	AS174 Cogent Communications	`0.78ms` from Ashburn, US
192.119.228.18	AS30036 Mediacom Communications Corp	`4.72ms` from Atlanta, US
66.10.238.98	AS7018 AT&T Enterprises, LLC	`12.46ms` from Atlanta, US
165.139.166.2	AS11686 Education Networks of America	`13.16ms` from Chicago, US
142.161.143.66	AS7122 Bell Canada	`17.02ms` from Chicago, US
108.65.208.226	AS7018 AT&T Enterprises, LLC	`9.34ms` from Dallas, US
213.61.187.66	AS8220 COLT Technology Services Group Limited	`0.61ms` from Frankfurt am Main, DE
115.73.190.34	AS7552 Viettel Group	`0.93ms` from Ho Chi Minh City, VN
66.204.27.130	AS21852 State Of Arkansas, Division of Information Systems	`10.11ms` from Kansas City, US
82.14.169.162	AS5089 Virgin Media Limited	`1.59ms` from London, GB
38.71.21.2	AS55096 CANYON PARTNERS LLC	`0.45ms` from Los Angeles, US
151.39.66.226	AS1267 WIND TRE S.P.A.	`1.45ms` from Milan, IT
206.51.210.50	AS12042 Consolidated Communications, Inc.	`1.53ms` from Minneapolis, US
95.128.111.98	AS31264 ADVANIA NORGE AS	`2.52ms` from Oslo, NO
75.164.91.242	AS209 CenturyLink Communications, LLC	`1.44ms` from Portland, US
39.75.23.130	AS4837 CHINA UNICOM China169 Backbone	`5.08ms` from Qingdao, CN
44.196.156.146	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
52.91.248.146	AS14618 Amazon.com, Inc.	`0.39ms` from Reston, US
32.208.157.50	AS46690 Southern New England Telephone Company and SNET America, Inc.	`10.33ms` from Secaucus, US
1.223.3.130	AS3786 LG DACOM Corporation	`1.99ms` from Seoul, KR
125.132.116.194	AS4766 Korea Telecom	`1.70ms` from Seoul, KR
115.20.125.82	AS4766 Korea Telecom	`8.38ms` from Seoul, KR
194.80.38.130	AS786 Jisc Services Limited	`6.20ms` from Sheffield, GB
83.31.8.50	AS5617 Orange Polska Spolka Akcyjna	`10.02ms` from Warsaw, PL
213.215.138.66	AS8220 COLT Technology Services Group Limited	`4.24ms` from Arezzo, IT

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -m8 128.9.212.97

traceroute to 128.9.212.97 (128.9.212.97): 8 hops max, 52 byte packets

1 [AS15169] 142.251.65.159 100.656 ms

2 *

3 [AS226] 130.152.184.100 109.487 ms

4 [AS226] 130.152.184.54 107.806 ms

5 [AS4] 128.9.29.20 109.568 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On September 4th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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