138.137.180.0/23

AS5972 · United States Department of Defense (DoD)

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Summary

Country	United States
Domain	mail.mil
ASN	AS5972
Registry	ARIN
ID	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:      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 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

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

IP Address	ASN	Details
138.137.181.130	AS5972 United States Department of Defense (DoD)	`4.62ms` from Ashburn, US
138.137.180.199	AS5972 United States Department of Defense (DoD)	`4.59ms` 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
20.228.210.55	AS8075 Microsoft Corporation	`0.41ms` from Ashburn, US
78.99.232.39	AS6855 Slovak Telekom, a.s.	`1.73ms` from Bratislava, SK
71.72.232.23	AS10796 Charter Communications Inc	`7.24ms` from Columbus, US
52.176.42.23	AS8075 Microsoft Corporation	`0.34ms` from Des Moines, US
222.253.186.167	AS45899 VNPT Corp	`2.00ms` from Ho Chi Minh City, VN
74.208.136.55	AS8560 IONOS SE	`0.47ms` from Lenexa, US
34.139.255.215	AS396982 Google LLC	`0.14ms` from Moncks Corner, US
61.177.40.55	AS4134 CHINANET-BACKBONE	`4.69ms` from Nanjing, CN
27.218.72.231	AS4837 CHINA UNICOM China169 Backbone	`8.66ms` from Qingdao, CN
52.1.154.151	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
110.12.0.151	AS9318 SK Broadband Co Ltd	`1.31ms` from Seoul, KR
3.107.24.199	AS16509 Amazon.com, Inc.	`0.10ms` from Sydney, AU
126.51.190.151	AS17676 SoftBank Corp.	`2.97ms` from Tokyo, JP
88.213.141.71	AS35518 sasag Kabelkommunikation AG	`4.54ms` from Zuerich, CH
46.44.175.23	AS28685 Routit BV	`0.47ms` from Amsterdam, NL
89.124.240.215	AS6079 RCN	`1.61ms` from Ashburn, US
67.162.195.119	AS7922 Comcast Cable Communications, LLC	`10.33ms` from Dallas, US
73.145.120.135	AS7922 Comcast Cable Communications, LLC	`7.28ms` from Flint, US
223.19.101.135	AS9304 HGC Global Communications Limited	`1.39ms` from Hong Kong, HK
114.206.223.215	AS9318 SK Broadband Co Ltd	`1.70ms` from Incheon, KR
80.229.98.231	AS6871 Plusnet	`4.98ms` from London, GB
172.88.7.231	AS20001 Charter Communications Inc	`6.78ms` from Los Angeles, US
174.61.66.167	AS7922 Comcast Cable Communications, LLC	`9.81ms` from Miami, US
13.126.191.103	AS16509 Amazon.com, Inc.	`0.11ms` from Mumbai, IN
39.85.71.183	AS4837 CHINA UNICOM China169 Backbone	`5.13ms` from Qingdao, CN

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 138.137.181.208

traceroute to 138.137.181.208 (138.137.181.208): 7 hops max, 52 byte packets

4 [AS21928] 100.199.0.93 0.062 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Tieling, CN

On March 22nd 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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