138.136.56.0/23

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

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

IP Address	ASN	Details
138.136.56.8	AS5972 United States Department of Defense (DoD)	`10.71ms` from Dallas, US
138.136.57.5	AS5972 United States Department of Defense (DoD)	`10.69ms` 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
85.152.227.119	AS12946 R Cable y Telecable Telecomunicaciones, S.A.U.	`10.50ms` from A Coruna, ES
110.227.244.167	AS24560 Bharti Airtel Ltd., Telemedia Services	`3.18ms` from Ahmedabad, IN
71.255.113.119	AS13672 Fidium	`2.85ms` from Boston, US
198.135.222.103	AS29809 Centris Information Services	`5.79ms` from Dallas, US
121.40.111.71	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.23ms` from Hangzhou, CN
50.235.83.55	AS7922 Comcast Cable Communications, LLC	`0.22ms` from Los Angeles, US
173.255.168.7	AS22781 Strong Technology, LLC.	`0.61ms` from San Jose, US
166.140.235.7	AS6167 Verizon Business	`14.40ms` from San Jose, US
76.149.38.55	AS7922 Comcast Cable Communications, LLC	`4.51ms` from San Jose, US
148.228.11.71	AS3141 Benemerita Universidad Autonoma de Puebla	`6.57ms` from Santiago de Querétaro, MX
59.0.28.151	AS4766 Korea Telecom	`6.71ms` from Seoul, KR
183.126.175.199	AS4766 Korea Telecom	`1.74ms` from Seoul, KR
158.140.69.231	AS12975 PALTEL Autonomous System	`3.82ms` from Tel Aviv, IL
34.169.164.151	AS396982 Google LLC	`0.15ms` from The Dalles, US
199.247.194.23	AS21949 Beanfield Technologies Inc.	`0.44ms` from Toronto, CA
94.190.50.119	AS48524 INTERRA telecommunications group, Ltd.	`1.21ms` from Yekaterinburg, RU
114.255.229.135	AS4808 China Unicom Beijing Province Network	`2.84ms` from Beijing, CN
85.238.86.119	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`3.88ms` from Budapest, HU
160.179.107.167	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`5.07ms` from Casablanca, MA
66.90.228.199	AS7459 Grande Communications Networks, LLC	`11.34ms` from Dallas, US
149.107.21.151	AS206347 Wessex Internet Limited	`3.87ms` from London, GB
47.129.38.39	AS16509 Amazon.com, Inc.	`0.12ms` from Singapore, SG
52.83.227.231	AS135629 Ningxia West Cloud Data Technology Co.Ltd.	`0.51ms` from Zhongwei, CN
206.195.144.183	AS22709 North State Telephone, LLC	`8.78ms` from Ashburn, US
13.245.206.199	AS16509 Amazon.com, Inc.	`0.42ms` from Cape Town, ZA

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 138.136.56.12

traceroute to 138.136.56.12 (138.136.56.12): 7 hops max, 52 byte packets

3 [AS24768] 94.46.128.20 2.235 ms

4 [AS24768] 94.46.128.57 26.239 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Lisbon, PT

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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