139.38.120.0/22

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

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

IP Address	ASN	Details
139.38.122.30	AS5972 United States Department of Defense (DoD)	`10.90ms` from Dallas, US
139.38.121.227	AS5972 United States Department of Defense (DoD)	`10.78ms` from Dallas, US
139.38.123.139	AS5972 United States Department of Defense (DoD)	`10.75ms` from Dallas, US
139.38.120.94	AS5972 United States Department of Defense (DoD)	`10.81ms` 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
212.83.214.70	AS9150 Interconnect	`1.53ms` from Amsterdam, NL
117.97.128.102	AS24560 Bharti Airtel Ltd., Telemedia Services	`10.64ms` from Chennai, IN
113.160.245.246	AS45899 VNPT Corp	`2.19ms` from Da Nang, VN
172.221.115.86	AS33588 Charter Communications LLC	`8.12ms` from Denver, US
103.40.115.6	AS132839 POWER LINE DATACENTER	`1.06ms` from Hong Kong, HK
178.185.99.182	AS12389 PJSC Rostelecom	`0.87ms` from Krasnoyarsk, RU
199.244.106.230	AS27409 Rockbridge Global Village, Inc.	`8.69ms` from Manassas, US
63.231.237.38	AS209 CenturyLink Communications, LLC	`1.69ms` from Minneapolis, US
155.212.203.54	AS47764 LLC VK	`0.69ms` from Moscow, RU
175.204.85.230	AS4766 Korea Telecom	`4.62ms` from Seoul, KR
121.128.87.118	AS4766 Korea Telecom	`0.93ms` from Seoul, KR
140.131.112.6	AS1659 Taiwan Academic Network (TANet) Information Center	`1.42ms` from Taipei, TW
177.191.154.102	AS53006 ALGAR TELECOM S/A	`5.03ms` from Uberlandia, BR
106.11.188.214	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.28ms` from Zhangjiakou, CN
62.2.217.118	AS6730 Sunrise GmbH	`4.68ms` from Zuerich, CH
107.197.239.246	AS7018 AT&T Enterprises, LLC	`6.69ms` from Atlanta, US
66.70.157.166	AS16276 OVH SAS	`0.07ms` from Beauharnois, CA
95.102.54.118	AS6855 Slovak Telekom, a.s.	`7.39ms` from Bratislava, SK
107.201.192.134	AS7018 AT&T Enterprises, LLC	`6.24ms` from Chicago, US
68.39.107.150	AS7922 Comcast Cable Communications, LLC	`12.31ms` from Chicago, US
71.64.29.70	AS10796 Charter Communications Inc	`6.35ms` from Columbus, US
187.32.68.182	AS16735 ALGAR TELECOM S/A	`0.59ms` from Curitiba, BR
47.86.230.6	AS45102 Alibaba (US) Technology Co., Ltd.	`0.65ms` from Hong Kong, HK
185.53.61.150	AS39172 Merkezi Kayit Kurulusu Anonim Sirketi	`1.47ms` from Istanbul, TR
172.249.212.246	AS20001 Charter Communications Inc	`5.91ms` from Los Angeles, US

Traceroute

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

traceroute -a -n -q1 139.38.122.15

traceroute to 139.38.122.15 (139.38.122.15): 64 hops max, 52 byte packets

1 [AS50613] 37.235.49.2 1.331 ms

2 [AS5972] 139.38.122.15 154.321 ms

Measurement taken from

IPinfo ProbeNet in Hafnarfjoerdur, IS

On March 13th 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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