138.137.44.0/22

AS5972 · United States Department of Defense (DoD)

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Summary

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

WHOIS Details

NetHandle:      NET-138-137-0-0-2
OrgID:          DNIC
Parent:         NET-138-137-0-0-1
NetName:        ARMY-MEDCOI
NetRange:       138.137.0.0 - 138.137.255.255
NetType:        reallocation
RegDate:        2025-08-28
Updated:        2025-08-28
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:      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


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

Nearby Ranges

BGP prefixes that overlap with 138.137.0.0/16

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

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

IP Address	ASN	Details
138.137.44.237	AS5972 United States Department of Defense (DoD)	`4.63ms` from Ashburn, US
138.137.46.78	AS5972 United States Department of Defense (DoD)	`4.61ms` from Ashburn, US
138.137.45.242	AS5972 United States Department of Defense (DoD)	`4.50ms` from Ashburn, US
138.137.47.208	AS5972 United States Department of Defense (DoD)	`4.62ms` from Ashburn, 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
162.151.197.166	AS7922 Comcast Cable Communications, LLC	`0.44ms` from Ashburn, US
173.160.83.150	AS7922 Comcast Cable Communications, LLC	`5.47ms` from Atlanta, US
167.0.40.214	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`15.13ms` from Bogota, CO
181.25.4.6	AS22927 Telefonica de Argentina	`3.44ms` from Buenos Aires, AR
99.27.201.214	AS7018 AT&T Enterprises, LLC	`1.94ms` from Dallas, US
5.30.91.70	AS15802 Emirates Integrated Telecommunications Company PJSC	`3.16ms` from Dubai, AE
107.5.100.134	AS7922 Comcast Cable Communications, LLC	`7.20ms` from Flint, US
45.14.247.70	AS209847 WorkTitans B.V.	`0.23ms` from Frankfurt am Main, DE
153.112.161.230	AS25252 Volvo Information Technology AB	`0.94ms` from Goeteborg, SE
119.187.162.118	AS4837 CHINA UNICOM China169 Backbone	`6.76ms` from Jinan, CN
92.140.64.230	AS3215 Orange S.A.	`3.93ms` from Paris, FR
121.162.60.198	AS4766 Korea Telecom	`1.08ms` from Seoul, KR
192.186.79.134	AS7992 Cogeco Connexion Inc.	`5.32ms` from Toronto, CA
222.29.129.6	AS4538 China Education and Research Network Center	`3.79ms` from Beijing, CN
193.231.250.22	AS12302 Vodafone Romania S.A.	`10.91ms` from Bucharest, RO
3.151.109.38	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
84.148.78.86	AS3320 Deutsche Telekom AG	`7.89ms` from Frankfurt am Main, DE
92.116.154.54	AS8881 1&1 Versatel GmbH	`3.39ms` from Frankfurt am Main, DE
157.255.159.230	AS134543 China Unicom Guangdong IP network	`3.35ms` from Guangzhou, CN
221.209.210.6	AS4837 CHINA UNICOM China169 Backbone	`5.65ms` from Harbin, CN
123.108.78.102	AS59371 Dimension Network & Communication Limited	`0.86ms` from Hong Kong, HK
20.239.226.246	AS8075 Microsoft Corporation	`0.31ms` from Hong Kong, HK
51.107.20.38	AS8075 Microsoft Corporation	`0.21ms` from Kloten, CH
95.131.253.22	AS12488 Krystal Hosting Ltd	`0.32ms` from London, GB
75.204.97.150	AS6167 Verizon Business	`14.39ms` 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 -f4 -m7 138.137.46.242

traceroute to 138.137.46.242 (138.137.46.242): 7 hops max, 52 byte packets

4 [AS8932] 185.48.242.112 0.173 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Yerevan, AM

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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