Autonomous System details

AS4

University of Southern California  ·  usc.edu

United States

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AS4 – University of Southern California

Field Value
Country United States
Website usc.edu
Hosted domains 38
IPv4 addresses 64,256
IPv6 addresses 79,230,580,365,903,567,258,400,000,000
ASN type Education
Registry arin
Allocated 42 years ago on Feb 22, 1984
Updated 3 years ago on Sep 29, 2023

IP Ranges

Netblock Company Num of IPs
128.9.192.0/18 University of Southern California 16,384
128.9.0.0/20 University of Southern California 4,096
128.9.32.0/20 University of Southern California 4,096
128.9.48.0/20 University of Southern California 4,096
128.9.64.0/20 University of Southern California 4,096
128.9.80.0/20 University of Southern California 4,096
128.9.96.0/20 University of Southern California 4,096
128.9.112.0/20 University of Southern California 4,096
128.9.128.0/20 University of Southern California 4,096
128.9.144.0/20 University of Southern California 4,096
128.9.160.0/20 University of Southern California 4,096
128.9.176.0/20 University of Southern California 4,096
128.9.28.0/23 University of Southern California 512
128.9.16.0/24 University of Southern California 256
128.9.17.0/24 University of Southern California 256
128.9.18.0/24 University of Southern California 256
128.9.19.0/24 University of Southern California 256
128.9.26.0/24 University of Southern California 256
128.9.30.0/24 University of Southern California 256
128.9.31.0/24 University of Southern California 256
128.9.34.0/24 University of Southern California 256
128.9.35.0/24 University of Southern California 256
128.9.36.0/24 University of Southern California 256
128.9.37.0/24 University of Southern California 256
128.9.38.0/24 University of Southern California 256
128.9.40.0/24 University of Southern California 256
128.9.43.0/24 University of Southern California 256
128.9.44.0/24 University of Southern California 256
128.9.46.0/24 University of Southern California 256
128.9.47.0/24 University of Southern California 256
128.9.113.0/24 University of Southern California 256
128.9.117.0/24 University of Southern California 256
128.9.122.0/24 University of Southern California 256
128.9.123.0/24 University of Southern California 256
128.9.127.0/24 University of Southern California 256
196.13.137.0/24 SBM BANK (KENYA) LIMITED 256
198.32.16.0/24 CyrusOne LLC 256

Netblock Company
2606:d5c0::/32 University of Southern California
2001:500:202::/48 B.Root-Server-OPS
2606:d5c0::/48 University of Southern California
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WHOIS Details

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                                                ASHandle:       AS4
                                                OrgID:          AS4
                                                ASName:         AS4
                                                ASNumber:       AS4
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 38 domain names hosted across 16 IP addresses on this ASN.

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IP Address Domain Domains on this IP
128.9.37.30 ██████████ 10
128.9.36.15 ██████████ 6
128.9.208.217 ██████████ 3
128.9.36.34 ██████████ 3
128.9.36.12 ██████████ 3
128.9.44.22 ██████████ 2
128.9.29.34 ██████████ 1
128.9.64.109 ██████████ 1
128.9.29.23 ██████████ 1
128.9.36.104 ██████████ 1

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Peers

There are 14 peers for this ASN.

Peers Name
AS10886 University of Maryland
AS1239 Cogent Communications, LLC
AS133296 Web Werks India Pvt. Ltd.
AS138283 SPEED AIRLIVE BROADBAND SERVICES PVT LTD
AS174 Cogent Communications, LLC
AS22516 Charter Communications LLC
AS226 Los Nettos
AS2635 Automattic, Inc
AS266306 CENTRALNETT SERVIÇOS LTDA
AS30844 Liquid Telecommunications Ltd
AS327753 SBM BANK (KENYA) LIMITED
AS400215 Sambanova Systems, Inc.
AS4307 SOUTH VALLEY INTERNET
AS567 Los Nettos
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ASN API & Database

Upstreams

There are 9 upstreams for this ASN.

upstreams Name
AS10886 University of Maryland
AS133296 Web Werks India Pvt. Ltd.
AS138283 SPEED AIRLIVE BROADBAND SERVICES PVT LTD
AS174 Cogent Communications, LLC
AS226 Los Nettos
AS266306 CENTRALNETT SERVIÇOS LTDA
AS327753 SBM BANK (KENYA) LIMITED
AS400215 Sambanova Systems, Inc.
AS567 Los Nettos
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ASN API & Database

Downstreams

There are 2 downstreams for this ASN.

Downstreams Name
AS2635 Automattic, Inc
AS4307 SOUTH VALLEY INTERNET
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ASN API & Database

Pingable IPs

24 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
128.9.16.1 AS4 University of Southern California 1.17ms from Los Angeles, US
128.9.26.1 AS4 University of Southern California 1.09ms from Los Angeles, US
128.9.113.251 AS4 University of Southern California 0.95ms from Los Angeles, US
128.9.18.142 AS4 University of Southern California 0.95ms from Los Angeles, US
128.9.40.200 AS4 University of Southern California 1.54ms from Los Angeles, US
128.9.29.78 AS4 University of Southern California 0.91ms from Los Angeles, US
128.9.117.197 AS4 University of Southern California 0.95ms from Los Angeles, US
128.9.123.31 AS4 University of Southern California 1.07ms from Los Angeles, US
128.9.49.1 AS4 University of Southern California 2.56ms from Ashburn, US
128.9.122.239 AS4 University of Southern California 0.95ms from Los Angeles, US
128.9.48.1 AS4 University of Southern California 2.42ms from Ashburn, US
2001:500:202:b2f::1 AS4 University of Southern California 1.05ms from Los Angeles, US
128.9.176.30 AS4 University of Southern California 1.99ms from Los Angeles, US
128.9.127.114 AS4 University of Southern California 0.94ms from Los Angeles, US
128.9.28.77 AS4 University of Southern California 0.91ms from Los Angeles, US
128.9.112.1 AS4 University of Southern California 1.81ms from Los Angeles, US
128.9.59.1 AS4 University of Southern California 2.67ms from Ashburn, US
2606:d5c0::1 AS4 University of Southern California 0.87ms from Los Angeles, US
128.9.63.136 AS4 University of Southern California 2.25ms from Ashburn, US
128.9.19.1 AS4 University of Southern California 1.09ms from Los Angeles, US
128.9.46.107 AS4 University of Southern California 1.61ms from Los Angeles, US
128.9.17.1 AS4 University of Southern California 1.59ms from Los Angeles, US
128.9.180.11 AS4 University of Southern California 1.94ms from Los Angeles, US
198.32.16.92 AS4 University of Southern California 1.07ms from Los Angeles, US

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
81.207.37.84 AS1136 KPN B.V. 2.63ms from Amsterdam, NL
174.173.104.68 AS7922 Comcast Cable Communications, LLC 7.89ms from Ashburn, US
34.78.167.100 AS396982 Google LLC 0.15ms from Brussels, BE
191.85.199.244 AS22927 Telefonica de Argentina 9.67ms from Buenos Aires, AR
212.211.203.148 AS12399 q.beyond AG 0.62ms from Frankfurt am Main, DE
134.158.228.4 AS789 Renater 2.50ms from Geneve, CH
35.228.137.164 AS396982 Google LLC 0.15ms from Hamina, FI
115.77.210.132 AS7552 Viettel Group 3.40ms from Ho Chi Minh City, VN
2.96.172.84 AS13285 TalkTalk Communications Limited 1.29ms from London, GB
18.170.191.100 AS16509 Amazon.com, Inc. 0.14ms from London, GB
86.152.70.36 AS2856 British Telecommunications PLC 13.24ms from London, GB
90.251.199.84 AS5378 Vodafone Limited 2.10ms from London, GB
84.169.227.164 AS3320 Deutsche Telekom AG 2.00ms from Munich, DE
39.67.225.68 AS4837 CHINA UNICOM China169 Backbone 9.80ms from Qingdao, CN
200.57.83.4 AS22011 Sixsigma Networks Mexico, S.A. de C.V. 8.83ms from Santiago de Queretaro, MX
34.186.97.132 AS396982 Google LLC 0.13ms from Ashburn, US
152.86.27.164 AS55120 Tallahatchie Valley Internet Services, LLC 12.41ms from Atlanta, US
68.35.60.196 AS7922 Comcast Cable Communications, LLC 11.98ms from Atlanta, US
50.112.35.212 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
154.178.13.4 AS8452 TE-AS 5.92ms from Cairo, EG
51.37.67.4 AS15502 Vodafone Ireland Limited 3.88ms from Dublin, IE
4.207.59.84 AS8075 Microsoft Corporation 0.22ms from Dublin, IE
18.185.218.148 AS16509 Amazon.com, Inc. 0.19ms from Frankfurt am Main, DE
211.143.217.228 AS9808 China Mobile Communications Group Co., Ltd. 4.36ms from Fuzhou, CN
139.9.184.52 AS55990 Huawei Cloud Service data center 1.82ms from Guangzhou, CN

Traceroute

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

$
traceroute -a -n -q1 -f2 -m7 128.9.130.121
traceroute to 128.9.130.121 (128.9.130.121): 7 hops max, 52 byte packets
2 [] 84.17.33.142 298.491 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Los Angeles, US
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS4 at robtex.

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