Autonomous System details

AS328

United States Department of Defense (DoD)  ·  mail.mil

United States
    Stub AS Icon Stub AS

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AS328 – United States Department of Defense (DoD)

Field Value
Country United States
Website mail.mil
Hosted domains 1
IPv4 addresses 65,536
IPv6 addresses 0
ASN type Government
Registry arin
Allocated 37 years ago on Jun 30, 1989
Updated 6 months ago on Sep 12, 2025

IP Ranges

Netblock Company Num of IPs
55.53.0.0/16 Headquarters, USAISC 65,536
55.53.221.0/24 Headquarters, USAISC 256
55.53.222.0/24 Headquarters, USAISC 256
55.53.223.0/24 Headquarters, USAISC 256
55.53.224.0/24 Headquarters, USAISC 256
55.53.225.0/24 Headquarters, USAISC 256
55.53.226.0/24 Headquarters, USAISC 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS328
                                                OrgID:          AS328
                                                ASName:         AS328
                                                ASNumber:       AS328
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There is 1 domain name hosted across 1 IP address on this ASN.

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IP Address Domain Domains on this IP
55.53.205.55 ██████████ 1

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Peers

There is 1 peer for this ASN.

Peers Name
AS306 United States Department of Defense (DoD)
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS306 United States Department of Defense (DoD)
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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

No IPs in this ASN 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
161.38.227.72 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 12.23ms from Atlanta, US
120.201.45.152 AS9808 China Mobile Communications Group Co., Ltd. 6.44ms from Changchun, CN
75.187.171.120 AS10796 Charter Communications Inc 12.87ms from Columbus, US
38.132.99.24 AS9009 M247 Europe SRL 0.38ms from Frankfurt am Main, DE
213.122.30.248 AS2856 British Telecommunications PLC 0.93ms from London, GB
86.0.233.104 AS5089 Virgin Media Limited 6.10ms from London, GB
212.163.31.232 AS12462 Evolutio Cloud Enabler S.A. Unipersonal 1.09ms from Madrid, ES
46.216.49.72 AS25106 Mobile TeleSystems JLLC 1.07ms from Minsk, BY
31.38.219.200 AS5410 Bouygues Telecom SA 11.52ms from Paris, FR
174.26.237.136 AS209 CenturyLink Communications, LLC 2.35ms from Phoenix, US
87.110.13.248 AS12578 SIA Tet 0.76ms from Riga, LV
107.162.161.168 AS55002 F5, Inc. 0.41ms from San Jose, US
175.124.4.40 AS9318 SK Broadband Co Ltd 4.42ms from Seoul, KR
178.134.15.216 AS35805 JSC "Silknet" 1.18ms from Tbilisi, GE
140.227.169.152 AS2514 NTT PC Communications, Inc. 0.68ms from Tokyo, JP
8.142.181.152 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.27ms from Zhangjiakou, CN
86.90.201.56 AS1136 KPN B.V. 2.29ms from Amsterdam, NL
41.234.191.152 AS8452 TE-AS 4.21ms from Cairo, EG
128.146.189.40 AS159 Ohio State University 1.82ms from Columbus, US
67.190.97.184 AS7922 Comcast Cable Communications, LLC 4.23ms from Denver, US
178.33.207.200 AS16276 OVH SAS 0.07ms from Gravelines, FR
218.13.59.168 AS4134 CHINANET-BACKBONE 3.44ms from Guangzhou, CN
191.214.28.200 AS9304 HGC Global Communications Limited 0.93ms from Hong Kong, HK
41.15.122.200 AS29975 Vodacom 11.51ms from Johannesburg, ZA
38.209.35.136 AS393442 United Electric Cooperative 3.04ms from Kansas City, US

Traceroute

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

$
traceroute -a -n -q1 -m5 55.53.127.212
traceroute to 55.53.127.212 (55.53.127.212): 5 hops max, 52 byte packets
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Asheville, 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 AS328 at robtex.

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