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 4 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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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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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
51.161.43.37 AS16276 OVH SAS 0.09ms from Beauharnois, CA
91.179.245.37 AS5432 Proximus NV 3.40ms from Brussels, BE
34.60.50.53 AS396982 Google LLC 0.11ms from Council Bluffs, US
65.59.174.149 AS3356 Level 3 Parent, LLC 8.30ms from Denver, US
117.91.243.101 AS4134 CHINANET-BACKBONE 5.30ms from Huai'an, CN
82.223.16.21 AS8560 IONOS SE 0.39ms from Logrono, ES
91.242.210.229 AS48882 Optima-Shid LLC 13.83ms from Moscow, RU
82.67.108.85 AS12322 Free SAS 1.89ms from Paris, FR
128.120.9.85 AS6192 University of California, Davis 3.62ms from San Jose, US
14.77.129.37 AS4766 Korea Telecom 7.65ms from Seoul, KR
1.243.226.37 AS9318 SK Broadband Co Ltd 2.13ms from Seoul, KR
35.200.2.85 AS396982 Google LLC 0.14ms from Tokyo, JP
113.134.129.101 AS4134 CHINANET-BACKBONE 4.85ms from Xi'an, CN
182.54.31.165 AS4837 CHINA UNICOM China169 Backbone 15.61ms from Xi'an, CN
185.120.160.117 AS8868 Khallagh Borhan Market Development for Creative Industries Co 15.41ms from Yerevan, AM
34.198.230.5 AS14618 Amazon.com, Inc. 0.59ms from Ashburn, US
54.223.219.101 AS55960 Beijing Guanghuan Xinwang Digital 3.52ms from Beijing, CN
45.11.96.165 AS48678 PENTECH BILISIM TEKNOLOJILERI SANAYI VE TICARET LIMITED SIRKETi 0.12ms from Bursa, TR
205.200.132.85 AS7122 Bell Canada 16.35ms from Chicago, US
200.217.218.37 AS7738 V tal 0.37ms from Fortaleza, BR
34.40.53.5 AS396982 Google LLC 0.11ms from Frankfurt am Main, DE
104.67.191.85 AS9299 Philippine Long Distance Telephone Company 0.09ms from Manila, PH
185.145.127.165 AS50254 Sky Engineering LLC 0.89ms from Moscow, RU
103.174.249.101 AS147223 Corenetinfo Solutions Private limited 3.13ms from Mumbai, IN
15.207.63.37 AS16509 Amazon.com, Inc. 0.12ms from Mumbai, IN

Traceroute

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

$
traceroute -a -n -q1 -m5 55.49.85.20
traceroute to 55.49.85.20 (55.49.85.20): 5 hops max, 52 byte packets
1 [AS208450] 45.136.59.1 17.63 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Aktau, KZ
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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