138.136.28.0/23

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-138-136-0-0-2
OrgID:          DNIC
Parent:         NET-138-136-0-0-1
NetName:        ARMY-MEDCOI
NetRange:       138.136.0.0 - 138.136.255.255
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 138.136.0.0/16

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

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

IP Address	ASN	Details
138.136.29.250	AS5972 United States Department of Defense (DoD)	`10.70ms` from Dallas, US
138.136.28.90	AS5972 United States Department of Defense (DoD)	`10.83ms` 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
151.102.84.103	AS32104 Wellmont Health System	`13.84ms` from Charlotte, US
1.14.43.167	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.75ms` from Chengdu, CN
47.186.222.215	AS5650 Frontier Communications of America, Inc.	`2.00ms` from Dallas, US
203.195.201.71	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.03ms` from Guangzhou, CN
73.232.135.215	AS7922 Comcast Cable Communications, LLC	`6.27ms` from Houston, US
85.247.20.23	AS3243 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	`4.97ms` from Lisbon, PT
80.43.119.103	AS13285 TalkTalk Communications Limited	`6.97ms` from London, GB
35.243.148.199	AS396982 Google LLC	`0.14ms` from Moncks Corner, US
149.61.246.39	AS23171 Manhattan College	`2.51ms` from New York City, US
81.161.0.103	AS6282 Fiber Optical Network LLC	`7.05ms` from New York City, US
115.40.96.39	AS9845 LG HelloVision Corp.	`7.14ms` from Seoul, KR
203.178.139.55	AS2500 WIDE Project	`0.58ms` from Tokyo, JP
169.54.68.39	AS36351 IBM Cloud	`8.73ms` from Toronto, CA
85.145.194.151	AS50266 Odido Netherlands B.V.	`4.43ms` from Amsterdam, NL
72.83.183.7	AS701 Verizon Business	`3.82ms` from Ashburn, US
174.55.218.23	AS7922 Comcast Cable Communications, LLC	`17.23ms` from Ashburn, US
45.196.102.7	AS984 OCTOPUS WEB SOLUTION INC	`0.29ms` from Hong Kong, HK
82.18.134.231	AS5089 Virgin Media Limited	`7.38ms` from London, GB
83.102.204.71	AS8402 PJSC Vimpelcom	`1.78ms` from Moscow, RU
98.110.116.71	AS701 Verizon Business	`4.00ms` from New York City, US
212.199.212.167	AS12400 Partner Communications Ltd.	`0.33ms` from Rosh Ha‘Ayin, IL
91.134.68.7	AS16276 OVH SAS	`0.09ms` from Roubaix, FR
47.113.238.247	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.25ms` from Shenzhen, CN
129.212.239.215	AS14061 DigitalOcean, LLC	`0.21ms` from Singapore, SG
77.28.20.135	AS6821 Makedonski Telekom AD-Skopje	`1.49ms` from Skopje, MK

Traceroute

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

traceroute -a -n -q1 -f3 -m7 138.136.29.128

traceroute to 138.136.29.128 (138.136.29.128): 7 hops max, 52 byte packets

3 [AS12570] 212.96.178.177 1.454 ms

4 [AS12570] 212.96.178.38 1.443 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Brno, CZ

On February 16th 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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