192.138.24.0/21

AS721 · DoD Network Information Center

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Summary

Country	United States
Domain	mail.mil
ASN	AS721
Registry	ARIN
ID	NETBLK-DHA

WHOIS Details

NetHandle:      NET-192-138-24-0-1
OrgID:          DNIC
Parent:         NET-192-0-0-0-0
NetName:        NETBLK-DHA
NetRange:       192.138.24.0 - 192.138.83.255
NetType:        allocation
RegDate:        1996-04-01
Updated:        2017-10-26
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:        2025-02-12
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:        2025-02-13
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.arin-registrations@mail.mil
Source:         ARIN

Overlapping Ranges

BGP prefixes that are contained by 192.138.24.0/21

Range	ASN	Company	Num of IPs
192.138.30.0/24	AS5972	DoD Network Information Center	256
192.138.24.0/24	AS5972	DoD Network Information Center	256

Nearby Ranges

BGP prefixes that overlap with 192.138.0.0/16

Range	ASN	Company	Num of IPs
192.138.32.0/19	AS721	DoD Network Information Center	8,192
192.138.64.0/20	AS721	DoD Network Information Center	4,096
192.138.16.0/21	AS32244	Liquid Web, L.L.C	2,048
192.138.80.0/22	AS721	DoD Network Information Center	1,024
192.138.42.0/23	AS5972	DoD Network Information Center	512
192.138.34.0/23	AS5972	DoD Network Information Center	512
192.138.110.0/23	AS25252	Volvo Information Technology is located in Gothenburg, Sweden.	512
192.138.210.0/23	AS396881	Zappie Host LLC	512
192.138.116.0/23	AS25252	Volvo Information Technology is located in Gothenburg, Sweden.	512
192.138.30.0/24	AS5972	DoD Network Information Center	256
192.138.187.0/24	AS14091	Thrive Operations, LLC	256
192.138.162.0/24	AS397892	Rexel	256
192.138.182.0/24	AS10430	Washington State University	256
192.138.209.0/24	AS40584	Enova International, Inc.	256
192.138.193.0/24	AS7276	University of Houston	256
192.138.161.0/24	AS63413	eRoom Securities LLC	256
192.138.178.0/24	AS40043	Brown University Health	256
192.138.101.0/24	AS20115	National Aeronautics and Space Administration	256
192.138.87.0/24	AS668	Navy Network Information Center (NNIC)	256
192.138.133.0/24	AS393873	American Central Transport Inc.	256
192.138.225.0/24	AS396835	The Charles Stark Draper Laboratory, Inc.	256
192.138.86.0/24	AS1930	Avenida do Brasil, 101	256
192.138.227.0/24	AS22994	Chadbourne & Parke	256
192.138.226.0/24	AS23028	Computer Systems Consulting Services	256
192.138.53.0/24	AS5972	DoD Network Information Center	256
192.138.203.0/24	AS243	L3Harris Technologies, Inc.	256
192.138.176.0/24	AS40043	Brown University Health	256
192.138.177.0/24	AS40043	Brown University Health	256
192.138.228.0/24	AS8971	ATOS IT Solutions & Services GmbH	256
192.138.168.0/24	AS3354	University of Texas System	256
192.138.148.0/24	AS394212	Weeks Medical Center	256
192.138.85.0/24	AS127	National Aeronautics and Space Administration	256
192.138.204.0/24	AS1930	Universidade de Coimbra	256
192.138.172.0/24	AS20001	Malin Space Science Systems, Inc.	256
192.138.41.0/24	AS5972	DoD Network Information Center	256
192.138.185.0/24	AS14875	Veripos Limited	256
192.138.89.0/24	AS33019	Wheaton College	256
192.138.169.0/24	AS188	SAIC	256
192.138.205.0/24	AS33668	Genessee District Library	256
192.138.0.0/24	AS393902	Turtle Rock Studios, Inc.	256
192.138.24.0/24	AS5972	DoD Network Information Center	256
192.138.213.0/24	AS20143	Suffolk University	256
192.138.186.0/24	AS14875	NovAtel Inc.	256
192.138.109.0/24	AS25252	Volvo Information Technology is located in Gothenburg, Sweden.	256
192.138.99.0/24	AS23516	Cirrus Seven, Inc.	256
192.138.74.0/24	AS5972	DoD Network Information Center	256
192.138.137.0/24	AS237	Kettering University	256
192.138.189.0/24	AS394344	VeeroTech Systems LLC	256
192.138.194.0/24	AS7276	University of Houston	256

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

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
206.247.6.181	AS30103 Zoom Video Communications, Inc	0.16ms from Ashburn, US
172.111.38.229	AS63023 GTHost	0.09ms from Ashburn, US
111.11.14.149	AS24547 Hebei Mobile Communication Company Limited	5.99ms from Beijing, CN
116.214.132.53	AS63981 NTDKL-HK	1.22ms from Hong Kong, HK
52.172.149.37	AS8075 Microsoft Corporation	0.14ms from Lohogaon, IN
210.249.46.5	AS2516 KDDI CORPORATION	1.20ms from Osaka, JP
75.250.79.181	AS6167 Verizon Business	12.71ms from Piscataway, US
20.225.22.53	AS8075 Microsoft Corporation	0.30ms from San Antonio, US
221.176.25.133	AS9808 China Mobile Communications Group Co., Ltd.	2.98ms from Wuhan, CN
85.222.247.21	AS198089 IP Visie Networking B.V.	1.55ms from Amsterdam, NL
172.253.249.101	AS15169 Google LLC	0.69ms from Atlanta, US
201.38.214.37	AS4230 CLARO S.A.	8.73ms from Brasilia, BR
61.239.165.85	AS9269 Hong Kong Broadband Network Ltd.	0.85ms from Hong Kong, HK
2.101.86.21	AS13285 TalkTalk Communications Limited	1.68ms from London, GB
76.50.40.149	AS20001 Charter Communications Inc	6.78ms from Los Angeles, US
114.207.144.165	AS9318 SK Broadband Co Ltd	1.47ms from Seoul, KR
180.154.16.85	AS4812 China Telecom (Group)	4.70ms from Shanghai, CN
79.189.114.53	AS5617 Orange Polska Spolka Akcyjna	3.14ms from Warsaw, PL
121.61.96.197	AS4134 CHINANET-BACKBONE	2.71ms from Wuhan, CN
20.74.162.149	AS8075 Microsoft Corporation	0.92ms from Dubai, AE
80.47.109.229	AS9105 TalkTalk Communications Limited	5.57ms from London, GB
85.187.27.101	AS8866 Vivacom Bulgaria EAD	7.62ms from Sofia, BG
54.252.81.133	AS16509 Amazon.com, Inc.	0.13ms from Sydney, AU
123.198.163.181	AS2527 Sony Network Communications Inc.	2.45ms from Tokyo, JP
47.135.35.133	AS20115 Charter Communications LLC	10.86ms from Atlanta, US

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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