Autonomous System details

AS357

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

United States
    Stub AS Icon Stub AS

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AS357 – United States Department of Defense (DoD)

Field Value
Country United States
Website mail.mil
Hosted domains 4
IPv4 addresses 393,216
IPv6 addresses 0
ASN type Government
Registry arin
Allocated 37 years ago on Jun 30, 1989
Updated 5 months ago on Sep 12, 2025

IP Ranges

Netblock Company Num of IPs
55.49.0.0/16 Headquarters, USAISC 65,536
55.76.0.0/16 Headquarters, USAISC 65,536
55.77.0.0/16 Headquarters, USAISC 65,536
55.90.0.0/16 Headquarters, USAISC 65,536
55.98.0.0/16 Headquarters, USAISC 65,536
55.99.0.0/16 Headquarters, USAISC 65,536
55.77.0.0/17 Headquarters, USAISC 32,768
55.77.128.0/18 Headquarters, USAISC 16,384
55.98.0.0/18 Headquarters, USAISC 16,384
55.98.128.0/18 Headquarters, USAISC 16,384
55.98.192.0/18 Headquarters, USAISC 16,384
55.77.192.0/19 Headquarters, USAISC 8,192
55.98.64.0/19 Headquarters, USAISC 8,192
55.98.96.0/19 Headquarters, USAISC 8,192
55.77.224.0/20 Headquarters, USAISC 4,096
55.77.248.0/21 Headquarters, USAISC 2,048

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS357
                                                OrgID:          AS357
                                                ASName:         AS357
                                                ASNumber:       AS357
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 4 domain names hosted across 1 IP address on this ASN.

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IP Address Domain Domains on this IP
55.76.177.85 ██████████ 4

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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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ASN API & Database

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
54.214.140.149 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
154.219.26.53 AS202656 Ivanov Vitaliy Sergeevich 0.15ms from Frankfurt am Main, DE
2.16.224.5 AS16625 Akamai Technologies, Inc. 0.10ms from Madrid, ES
79.170.74.229 AS204558 Odyssey Systems Ltd 0.29ms from Manchester, GB
71.27.189.165 AS7922 Comcast Cable Communications, LLC 6.54ms from Miami, US
112.83.88.149 AS4837 CHINA UNICOM China169 Backbone 3.47ms from Nanjing, CN
67.9.144.197 AS33363 Charter Communications, Inc 10.97ms from Orlando, US
179.108.81.69 AS53158 Net Turbo Telecom 0.14ms from Osasco, BR
34.11.250.117 AS396982 Google LLC 0.15ms from The Dalles, US
35.197.106.69 AS396982 Google LLC 0.15ms from The Dalles, US
125.238.237.117 AS4771 Spark New Zealand Trading Ltd. 1.29ms from Auckland, NZ
35.192.58.37 AS396982 Google LLC 0.40ms from Council Bluffs, US
63.182.227.85 AS16509 Amazon.com, Inc. 0.18ms from Frankfurt am Main, DE
60.163.136.213 AS4134 CHINANET-BACKBONE 5.69ms from Hangzhou, CN
210.93.117.197 AS3786 LG DACOM Corporation 4.16ms from Incheon, KR
182.177.184.69 AS17557 Pakistan Telecommunication Company Limited 16.45ms from Islamabad, PK
38.44.166.69 AS47028 Twin Valley Communications Inc 7.84ms from Kansas City, US
176.108.126.197 AS213228 OPANKI.NET Ltd. 8.45ms from Kyiv, UA
178.172.53.149 AS2107 ARNES 0.58ms from Ljubljana, SI
90.252.100.245 AS5378 Vodafone Limited 6.45ms from London, GB
94.76.161.101 AS29119 AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL 8.82ms from Madrid, ES
87.11.45.149 AS3269 Telecom Italia S.p.A. 5.76ms from Milan, IT
177.136.79.5 AS263109 Primus Solucoes em T.I. LTDA 1.04ms from Novo Hamburgo, BR
189.44.128.181 AS10429 TELEFÔNICA BRASIL S.A 0.85ms from Osasco, BR
91.169.227.5 AS12322 Free SAS 1.87ms from Paris, FR

Traceroute

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

$
traceroute -a -n -q1 -f3 -m7 55.98.109.77
traceroute to 55.98.109.77 (55.98.109.77): 7 hops max, 52 byte packets
3 [AS3356] 4.69.209.114 112.571 ms
4 [AS3356] 4.37.49.126 119.735 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Amsterdam, NL
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 AS357 at robtex.

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