139.38.16.0/23

AS5972 · United States Department of Defense (DoD)

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Summary

Country	United States
Domain	mail.mil
ASN	AS5972
Registry	ARIN
ID	AF-MEDCOI

WHOIS Details

NetHandle:      NET-139-38-0-0-2
OrgID:          DNIC
Parent:         NET-139-38-0-0-1
NetName:        AF-MEDCOI
NetRange:       139.38.0.0 - 139.38.255.255
NetType:        reallocation
RegDate:        2025-08-29
Updated:        2025-08-29
Source:         ARIN


OrgID:          DNIC
OrgName:        DoD Network Information Center
CanAllocate:    
Street:         3990 E. Broad Street
City:           Columbus
State/Prov:     OH
Country:        US
PostalCode:     43218
RegDate:        1970-01-01
Updated:        2025-03-13
OrgAdminHandle: MIL-HSTMST-ARIN
OrgTechHandle:  MIL-HSTMST-ARIN
OrgTechHandle:  REGIS10-ARIN
OrgAbuseHandle: REGIS10-ARIN
Source:         ARIN


POCHandle:      MIL-HSTMST-ARIN
IsRole:         Y
LastName:       Network DoD
FirstName:      
Street:         DISA-Columbus
Street:         300 North James Road
City:           Whitehall
State/Prov:     OH
Country:        US
PostalCode:     43213
RegDate:        1993-05-26
Updated:        2026-02-12
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
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

Nearby Ranges

BGP prefixes that overlap with 139.38.0.0/16

No nearby ranges found.

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

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

IP Address	ASN	Details
139.38.16.211	AS5972 United States Department of Defense (DoD)	`10.83ms` from Dallas, US
139.38.17.51	AS5972 United States Department of Defense (DoD)	`10.74ms` from Dallas, 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
73.147.27.39	AS7922 Comcast Cable Communications, LLC	`6.17ms` from Ashburn, US
169.1.48.183	AS37611 AFRIHOST SP (PTY) LTD	`16.80ms` from Cape Town, ZA
76.136.141.103	AS7922 Comcast Cable Communications, LLC	`4.91ms` from Chicago, US
65.75.208.23	AS50131 Spartan Host Ltd	`0.19ms` from Dallas, US
62.225.173.231	AS3320 Deutsche Telekom AG	`1.68ms` from Duesseldorf, DE
1.25.7.103	AS139007 UNICOM InnerMongolia province network	`7.74ms` from Hohhot, CN
144.92.152.183	AS59 University of Wisconsin Madison	`0.92ms` from Madison, US
87.221.102.151	AS12479 Orange Espagne SA	`7.13ms` from Madrid, ES
137.119.0.135	AS17253 TEC of Jackson, Inc.	`6.72ms` from New Orleans, US
125.4.130.87	AS9617 JCOM Co., Ltd.	`7.65ms` from Osaka, JP
186.4.207.199	AS27947 Telconet S.A	`1.00ms` from Quito, EC
91.171.94.135	AS12322 Free SAS	`2.06ms` from Saint-Denis, FR
125.135.149.7	AS4766 Korea Telecom	`7.04ms` from Seoul, KR
218.81.101.151	AS4812 China Telecom (Group)	`4.57ms` from Shanghai, CN
111.254.235.231	AS3462 Data Communication Business Group	`3.72ms` from Taichung, TW
61.70.194.151	AS9416 Hoshin Multimedia Center Inc.	`4.50ms` from Taipei, TW
2.49.163.87	AS5384 Emirates Internet	`3.77ms` from Al Fujairah City, AE
54.226.104.87	AS14618 Amazon.com, Inc.	`0.51ms` from Ashburn, US
186.29.253.23	AS19429 ETB - Colombia	`0.70ms` from Bogota, CO
113.180.139.39	AS45899 VNPT Corp	`4.92ms` from Ho Chi Minh City, VN
183.87.138.23	AS136907 HUAWEI CLOUDS	`0.98ms` from Hong Kong, HK
61.239.133.183	AS9269 Hong Kong Broadband Network Ltd.	`0.94ms` from Hong Kong, HK
221.126.20.119	AS9304 HGC Global Communications Limited	`2.10ms` from Hong Kong, HK
173.180.205.183	AS852 TELUS Communications Inc.	`6.57ms` from Kelowna, CA
88.208.199.71	AS8560 IONOS SE	`0.70ms` from London, GB

Traceroute

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

traceroute -a -n -q1 -f3 139.38.17.84

traceroute to 139.38.17.84 (139.38.17.84): 64 hops max, 52 byte packets

3 [AS56030] 114.23.49.193 0.626 ms

4 [AS56030] 114.23.16.192 0.434 ms

5 *

6 [AS56030] 43.240.33.63 15.188 ms

7 [AS56030] 114.23.29.6 27.915 ms

8 [AS56030] 43.240.33.26 95.475 ms

9 [AS56030] 43.240.33.146 177.879 ms

10 [AS56030] 43.240.33.9 16.726 ms

11 *

12 [AS5972] 139.38.17.84 234.725 ms

Measurement taken from

IPinfo ProbeNet in Christchurch, NZ

On March 20th 2026

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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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