Autonomous System details

AS27138

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

United States

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AS27138 – United States Department of Defense (DoD)

Field Value
Country United States
Website mail.mil
Hosted domains 5
IPv4 addresses 36,352
IPv6 addresses 0
ASN type Government
Registry arin
Allocated 23 years ago on Jan 16, 2003
Updated 3 months ago on Sep 12, 2025

IP Ranges

Netblock Company Num of IPs
214.51.24.0/21 DoD Network Information Center 2,048
205.58.100.0/23 Navy Network Information Center (NNIC) 512
205.73.180.0/23 Navy Network Information Center (NNIC) 512
205.73.190.0/23 Navy Network Information Center (NNIC) 512
128.26.15.0/24 Air Force Systems Networking 256
128.26.16.0/24 Air Force Systems Networking 256
128.26.17.0/24 Air Force Systems Networking 256
128.26.18.0/24 Air Force Systems Networking 256
128.26.23.0/24 Air Force Systems Networking 256
128.26.40.0/24 Air Force Systems Networking 256
128.26.45.0/24 Air Force Systems Networking 256
128.26.46.0/24 Air Force Systems Networking 256
128.26.48.0/24 Air Force Systems Networking 256
128.26.51.0/24 Air Force Systems Networking 256
128.26.52.0/24 Air Force Systems Networking 256
128.26.57.0/24 Air Force Systems Networking 256
128.26.58.0/24 Air Force Systems Networking 256
128.26.77.0/24 Air Force Systems Networking 256
128.26.79.0/24 Air Force Systems Networking 256
128.26.80.0/24 Air Force Systems Networking 256
128.26.85.0/24 Air Force Systems Networking 256
128.26.86.0/24 Air Force Systems Networking 256
128.26.88.0/24 Air Force Systems Networking 256
128.26.89.0/24 Air Force Systems Networking 256
128.26.90.0/24 Air Force Systems Networking 256
128.26.91.0/24 Air Force Systems Networking 256
128.26.100.0/24 Air Force Systems Networking 256
128.26.101.0/24 Air Force Systems Networking 256
128.26.102.0/24 Air Force Systems Networking 256
128.26.109.0/24 Air Force Systems Networking 256
128.26.116.0/24 Air Force Systems Networking 256
128.26.137.0/24 Air Force Systems Networking 256
128.26.138.0/24 Air Force Systems Networking 256
128.26.144.0/24 Air Force Systems Networking 256
128.26.145.0/24 Air Force Systems Networking 256
128.26.150.0/24 Air Force Systems Networking 256
128.26.231.0/24 Air Force Systems Networking 256
128.26.232.0/24 Air Force Systems Networking 256
128.26.233.0/24 Air Force Systems Networking 256
128.26.234.0/24 Air Force Systems Networking 256
128.26.235.0/24 Air Force Systems Networking 256
128.26.239.0/24 Air Force Systems Networking 256
128.26.240.0/24 Air Force Systems Networking 256
128.26.241.0/24 Air Force Systems Networking 256
128.26.242.0/24 Air Force Systems Networking 256
128.26.243.0/24 Air Force Systems Networking 256
128.26.244.0/24 Air Force Systems Networking 256
128.26.245.0/24 Air Force Systems Networking 256
128.26.248.0/24 Air Force Systems Networking 256
128.26.249.0/24 Air Force Systems Networking 256
128.26.252.0/24 Air Force Systems Networking 256
128.26.253.0/24 Air Force Systems Networking 256
139.241.220.0/24 DoD Network Information Center 256
139.241.221.0/24 DoD Network Information Center 256
139.241.242.0/24 DoD Network Information Center 256
139.241.243.0/24 DoD Network Information Center 256
198.218.1.0/24 Air Force Systems Networking 256
198.218.3.0/24 Air Force Systems Networking 256
198.218.8.0/24 Air Force Systems Networking 256
198.218.10.0/24 Air Force Systems Networking 256
198.218.15.0/24 Air Force Systems Networking 256
198.218.38.0/24 Air Force Systems Networking 256
198.218.39.0/24 Air Force Systems Networking 256
198.218.40.0/24 Air Force Systems Networking 256
198.218.41.0/24 Air Force Systems Networking 256
198.218.49.0/24 Air Force Systems Networking 256
198.218.52.0/24 Air Force Systems Networking 256
198.218.55.0/24 Air Force Systems Networking 256
198.218.57.0/24 Air Force Systems Networking 256
198.218.60.0/24 Air Force Systems Networking 256
198.218.61.0/24 Air Force Systems Networking 256
198.218.65.0/24 Air Force Systems Networking 256
198.218.70.0/24 Air Force Systems Networking 256
198.218.73.0/24 Air Force Systems Networking 256
198.218.75.0/24 Air Force Systems Networking 256
198.218.79.0/24 Air Force Systems Networking 256
198.218.82.0/24 Air Force Systems Networking 256
198.218.83.0/24 Air Force Systems Networking 256
198.218.90.0/24 Air Force Systems Networking 256
198.218.92.0/24 Air Force Systems Networking 256
198.218.93.0/24 Air Force Systems Networking 256
198.218.112.0/24 Air Force Systems Networking 256
198.218.117.0/24 Air Force Systems Networking 256
198.218.118.0/24 Air Force Systems Networking 256
198.218.119.0/24 Air Force Systems Networking 256
198.218.157.0/24 Air Force Systems Networking 256
198.218.159.0/24 Air Force Systems Networking 256
198.218.162.0/24 Air Force Systems Networking 256
198.218.200.0/24 Air Force Systems Networking 256
198.218.237.0/24 Air Force Systems Networking 256
198.218.250.0/24 Air Force Systems Networking 256
198.219.148.0/24 Air Force Systems Networking 256
198.220.77.0/24 Air Force Systems Networking 256
198.220.78.0/24 Air Force Systems Networking 256
198.220.85.0/24 Air Force Systems Networking 256
198.220.86.0/24 Air Force Systems Networking 256
198.220.153.0/24 Air Force Systems Networking 256
198.220.157.0/24 Air Force Systems Networking 256
198.220.158.0/24 Air Force Systems Networking 256
198.220.163.0/24 Air Force Systems Networking 256
198.220.195.0/24 Air Force Systems Networking 256
205.58.103.0/24 Navy Network Information Center (NNIC) 256
205.58.104.0/24 Navy Network Information Center (NNIC) 256
205.60.234.0/24 Navy Network Information Center (NNIC) 256
205.60.235.0/24 Navy Network Information Center (NNIC) 256
205.60.237.0/24 Navy Network Information Center (NNIC) 256
205.60.238.0/24 Navy Network Information Center (NNIC) 256
205.60.239.0/24 Navy Network Information Center (NNIC) 256
205.61.121.0/24 Navy Network Information Center (NNIC) 256
205.61.129.0/24 Navy Network Information Center (NNIC) 256
205.61.130.0/24 Navy Network Information Center (NNIC) 256
205.73.190.0/24 Navy Network Information Center (NNIC) 256
214.4.197.0/24 DoD Network Information Center 256
214.6.249.0/24 DoD Network Information Center 256
214.25.16.0/24 DoD Network Information Center 256
214.25.17.0/24 DoD Network Information Center 256
214.25.135.0/24 DoD Network Information Center 256
214.25.152.0/24 DoD Network Information Center 256
214.25.192.0/24 DoD Network Information Center 256
214.25.193.0/24 DoD Network Information Center 256
214.25.209.0/24 DoD Network Information Center 256
214.25.211.0/24 DoD Network Information Center 256
214.29.100.0/24 DoD Network Information Center 256
214.29.106.0/24 DoD Network Information Center 256
214.29.108.0/24 DoD Network Information Center 256
214.29.115.0/24 DoD Network Information Center 256
214.29.116.0/24 DoD Network Information Center 256
214.29.117.0/24 DoD Network Information Center 256
214.29.125.0/24 DoD Network Information Center 256
214.29.126.0/24 DoD Network Information Center 256
214.51.57.0/24 DoD Network Information Center 256
214.64.76.0/24 DoD Network Information Center 256
215.249.14.0/24 DoD Network Information Center 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS27138
                                                OrgID:          AS27138
                                                ASName:         AS27138
                                                ASNumber:       AS27138
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 5 domain names hosted across 1 IP address on this ASN.

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IP Address Domain Domains on this IP
205.60.239.17 ██████████ 5

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Hosted Domains API & Database

Peers

There are 2 peers for this ASN.

Peers Name
AS27064 United States Department of Defense (DoD)
AS3474 United States Department of Defense (DoD)
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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS27064 United States Department of Defense (DoD)
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ASN API & Database

Downstreams

There is 1 peer for this ASN.

Downstreams Name
AS3474 United States Department of Defense (DoD)
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
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
71.225.231.66 AS7922 Comcast Cable Communications, LLC 8.38ms from Ashburn, US
184.36.0.98 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
191.104.168.130 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 3.14ms from Bogota, CO
197.55.82.114 AS8452 TE-AS 8.35ms from Cairo, EG
128.248.2.50 AS6200 University of Illinois Chicago 0.81ms from Chicago, US
207.231.18.2 AS20432 North East Fiber, LLC 11.89ms from Dallas, US
156.40.156.66 AS3527 National Institutes of Health 4.38ms from Herndon, US
176.249.111.242 AS5607 Sky UK Limited 5.63ms from London, GB
203.27.11.2 AS135893 La Trobe University 1.28ms from Melbourne, AU
207.171.65.130 AS1998 State of Minnesota 0.48ms from Minneapolis, US
37.28.176.82 AS25159 PJSC MegaFon 13.56ms from Moscow, RU
61.160.200.2 AS140293 CHINATELECOM Jiangsu province Changzhou 5G network 3.34ms from Nanjing, CN
88.183.230.162 AS12322 Free SAS 4.10ms from Paris, FR
104.166.108.50 AS62600 Arizona Board of Regents 5.43ms from Phoenix, US
95.106.96.226 AS12389 PJSC Rostelecom 17.98ms from Saint Petersburg, RU
186.232.80.130 AS53107 EVEO S.A. 0.71ms from Sao Paulo, BR
32.211.188.2 AS46690 Southern New England Telephone Company and SNET America, Inc. 5.49ms from Secaucus, US
210.207.218.18 AS3786 LG DACOM Corporation 1.46ms from Seoul, KR
18.177.224.34 AS16509 Amazon.com, Inc. 0.27ms from Tokyo, JP
117.104.145.2 AS394265 Box.com 0.53ms from Tokyo, JP
104.129.166.34 AS209242 Cloudflare London, LLC 0.11ms from Wrocław, PL
92.96.202.98 AS5384 Emirates Internet 6.94ms from Al Fujairah City, AE
5.149.141.98 AS6696 VERIXI SA 0.55ms from Brussels, BE
79.197.64.98 AS3320 Deutsche Telekom AG 3.50ms from Frankfurt am Main, DE
176.48.44.130 AS12389 PJSC Rostelecom 13.03ms from Krasnoyarsk, RU

Traceroute

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

$
traceroute -a -n -q1 -m4 205.61.129.218
traceroute to 205.61.129.218 (205.61.129.218): 4 hops max, 52 byte packets
1 [AS399244] 66.59.208.1 0.281 ms
2 *
3 *
4 *
Measurement taken from IPinfo ProbeNet in Falkenstein, DE
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 AS27138 at robtex.

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