1. All IP Ranges
  2. 204.0.0.0/8
  3. 204.208.0.0/16
  4. AS5972  | 204.208.104.0/21

204.208.104.0/21

AS5972  ·  United States Department of Defense (DoD)

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Summary

Country United States
Domain mail.mil
ASN AS5972
Parent Range 204.208.0.0/16
Registry ARIN
ID AMEDD-CHCS2

WHOIS Details

NetHandle:      NET-204-208-0-0-2
OrgID:          HEADQU-3
Parent:         NET-204-208-0-0-1
NetName:        AMEDD-CHCS2
NetRange:       204.208.0.0 - 204.208.255.255
NetType:        reallocation
RegDate:        2025-08-25
Updated:        2025-08-25
Source:         ARIN


OrgID:          HEADQU-3
OrgName:        Headquarters, USAISC
CanAllocate:    
Street:         NETC-ANC CONUS TNOSC
City:           Fort Huachuca
State/Prov:     AZ
Country:        US
PostalCode:     85613
RegDate:        1990-03-26
Updated:        2025-03-13
OrgAdminHandle: REGIS10-ARIN
OrgTechHandle:  REGIS10-ARIN
OrgAbuseHandle: REGIS10-ARIN
Source:         ARIN


POCHandle:      REGIS10-ARIN
IsRole:         Y
LastName:       Registration
FirstName:      
Street:         DISA-Columbus
Street:         300 North James Road
City:           Whitehall
State/Prov:     OH
Country:        US
PostalCode:     43213
RegDate:        2009-06-24
Updated:        2026-02-12
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.arin-registrations@mail.mil
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 204.208.104.0/21

Range ASN Company Num of IPs
204.208.0.0/16 AS5972 Headquarters, USAISC 65,536
204.208.0.0/16 AS721 Headquarters, USAISC 65,536

Nearby Ranges

BGP prefixes that overlap with 204.208.0.0/16

Range ASN Company Num of IPs
204.208.0.0/16 AS5972 Headquarters, USAISC 65,536
204.208.0.0/16 AS721 Headquarters, USAISC 65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
Read more

Pingable IPs

1,588 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
204.208.109.230 AS5972 United States Department of Defense (DoD) 3.25ms from Honolulu, US
204.208.105.11 AS5972 United States Department of Defense (DoD) 3.35ms from Honolulu, US
204.208.106.82 AS5972 United States Department of Defense (DoD) 3.39ms from Honolulu, US
204.208.111.94 AS5972 United States Department of Defense (DoD) 3.36ms from Honolulu, US
204.208.107.19 AS5972 United States Department of Defense (DoD) 3.35ms from Honolulu, US
204.208.104.125 AS5972 United States Department of Defense (DoD) 3.34ms from Honolulu, US
204.208.108.51 AS5972 United States Department of Defense (DoD) 3.40ms from Honolulu, US
204.208.110.57 AS5972 United States Department of Defense (DoD) 3.33ms from Honolulu, 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
50.19.172.181 AS14618 Amazon.com, Inc. 0.47ms from Ashburn, US
107.132.223.245 AS7018 AT&T Enterprises, LLC 11.47ms from Atlanta, US
87.196.28.181 AS2860 NOS COMUNICACOES, S.A. 2.67ms from Braga, PT
197.230.138.37 AS36925 MEDITELECOM 1.93ms from Casablanca, MA
76.215.45.21 AS7018 AT&T Enterprises, LLC 18.01ms from Dallas, US
38.148.182.69 AS393442 United Electric Cooperative 3.94ms from Kansas City, US
171.60.211.85 AS45609 Bharti Airtel Ltd. AS for GPRS Service 3.01ms from Kolkata, IN
118.182.43.149 AS4134 CHINANET-BACKBONE 8.03ms from Lanzhou, CN
87.249.93.133 AS15641 Arqiva Communications Ltd 2.21ms from London, GB
2.216.39.5 AS5607 Sky UK Limited 3.70ms from London, GB
76.174.150.117 AS20001 Charter Communications Inc 4.80ms from Los Angeles, US
128.0.142.197 AS25513 PJSC Moscow city telephone network 2.00ms from Moscow, RU
56.126.150.165 AS16509 Amazon.com, Inc. 0.19ms from Osasco, BR
221.156.241.149 AS4766 Korea Telecom 5.41ms from Seoul, KR
14.75.54.149 AS4766 Korea Telecom 6.92ms from Seoul, KR
101.91.225.5 AS4811 China Telecom (Group) 3.42ms from Shanghai, CN
80.63.55.69 AS3292 TDC Holding A/S 0.41ms from Skanderborg, DK
89.244.184.85 AS8881 1&1 Versatel GmbH 6.91ms from Berlin, DE
94.18.204.21 AS31027 GlobalConnect A/S 0.48ms from Copenhagen, DK
51.198.62.181 AS5607 Sky UK Limited 2.21ms from Erith, GB
64.211.1.21 AS3549 Level 3 Parent, LLC 0.43ms from Frankfurt am Main, DE
156.250.41.5 AS9294 GNET INC. 0.87ms from Hong Kong, HK
202.126.214.245 AS9381 HKBN Enterprise Solutions HK Limited 0.65ms from Hong Kong, HK
88.241.121.37 AS9121 Turk Telekomunikasyon Anonim Sirketi 4.91ms from Istanbul, TR
94.98.75.165 AS25019 Saudi Telecom Company JSC 5.76ms from Jeddah, SA

Traceroute

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

$
traceroute -a -n -q1 -f3 204.208.107.207
traceroute to 204.208.107.207 (204.208.107.207): 64 hops max, 52 byte packets
3 [AS56030] 114.23.49.193 20.086 ms
5 [AS56030] 43.240.33.50 17.649 ms
6 [AS56030] 43.240.33.63 14.964 ms
7 [AS56030] 114.23.29.6 15.139 ms
8 [AS56030] 43.240.33.26 17.761 ms
9 [AS56030] 43.240.33.146 18.173 ms
10 [AS56030] 43.240.33.9 16.746 ms
11 *
12 [AS5972] 204.208.107.207 201.753 ms
Measurement taken from IPinfo ProbeNet in Christchurch, NZ
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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