All IP Ranges
138.0.0.0/8
AS721 | 138.178.0.0/15

138.178.0.0/15

AS721 · DoD Network Information Center

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Summary

Country	United States
Domain	navy.mil
ASN	AS721
Registry	arin
Hosted IPs	131,072
ID	REGIONAL-ROT1

WHOIS Details

NetHandle:      NET-138-178-0-0-1
OrgID:          NNICN-1
Parent:         NET-138-0-0-0-0
NetName:        REGIONAL-ROT1
NetRange:       138.178.0.0 - 138.178.255.255
NetType:        allocation
RegDate:        1990-05-07
Updated:        2021-12-14
Source:         ARIN


OrgID:          NNICN-1
OrgName:        Navy Network Information Center (NNIC)
CanAllocate:    
Street:         2465 GUADALCANAL ROAD
Street:         BLDG 1265
City:           VIRGINIA BEACH
State/Prov:     VA
Country:        US
PostalCode:     23459
RegDate:        2006-09-21
Updated:        2025-03-13
OrgAdminHandle: REGIS10-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:        2025-02-13
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.arin-registrations@mail.mil
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 138.0.0.0/8

Range	ASN	Company	Num of IPs
138.144.0.0/12	AS721	DoD Network Information Center	1,048,576
138.136.0.0/13	AS721	DoD Network Information Center	524,288
138.164.0.0/14	AS721	DoD Network Information Center	262,144
138.172.0.0/14	AS749	DoD Network Information Center	262,144
138.168.0.0/14	AS721	MARINE CORPS CYBERSPACE OPERATIONS GROUP	262,144
138.150.0.0/15	AS721	DoD Network Information Center	131,072
138.60.0.0/15	AS749	ORG-DODNIC-1	131,072
138.162.0.0/15	AS665	Navy Network Information Center (NNIC)	131,072
138.176.0.0/15	AS749	DoD Network Information Center	131,072
138.250.0.0/15	AS786	Cranfield University	131,072
138.160.0.0/15	AS721	DoD Network Information Center	131,072
138.244.0.0/15	AS12816	LMU-Klinikum	131,072
138.88.0.0/16	AS701	Verizon Business	65,536
138.233.0.0/16	AS56736	Vastra Gotalandsregionen	65,536
138.201.0.0/16	AS24940	Server Block	65,536
138.17.0.0/16	AS749	DoD Network Information Center	65,536
138.14.0.0/16	AS2119	Saab AB	65,536
138.254.0.0/16	AS243	L3Harris Technologies, Inc.	65,536
138.50.0.0/16	AS1565	Headquarters, USAISC	65,536
138.180.0.0/16	AS721	Navy Network Information Center (NNIC)	65,536
138.130.0.0/16	AS1221	Telstra Limited	65,536
138.217.0.0/16	AS1221	Telstra Limited	65,536
138.132.0.0/16	AS3269	Italtel SPA	65,536
138.101.0.0/16	AS9593	Nikkei Inc.	65,536
138.96.0.0/16	AS776	INRIA Institut National de Recherche En Informatique Et Automatique	65,536
138.190.0.0/16	AS3303	Berne, Switzerland	65,536
138.223.0.0/16	AS3303		65,536
138.210.0.0/16	AS209	CenturyLink Communications, LLC	65,536
138.184.0.0/16	AS749	DoD Network Information Center	65,536
138.188.0.0/16	AS3303	Swisscom (Schweiz) AG	65,536
138.87.0.0/16	AS7386	Illinois State University	65,536
138.100.0.0/16	AS766	Universidad Politecnica de Madrid	65,536
138.78.0.0/16	AS396087	St. Mary's College of Maryland	65,536
138.86.0.0/16	AS15295	University of Northern Colorado	65,536
138.239.0.0/16	AS8075	Microsoft Singapore Pte. Ltd.	65,536
138.102.0.0/16	AS2200	INRAE	65,536
138.236.0.0/16	AS17234	Gustavus Adolphus College	65,536
138.27.0.0/16	AS1464	Headquarters, USAISC	65,536
138.192.0.0/16	AS21727	Hamline University	65,536
138.18.0.0/16	AS749	DoD Network Information Center	65,536
138.110.0.0/16	AS396349	Mount Holyoke College	65,536
138.62.0.0/16	AS25400	Norwegian State Railways	65,536
138.189.0.0/16	AS12511	Post CH AG	65,536
138.4.0.0/16	AS766	Universidad Politecnica de Madrid	65,536
138.131.0.0/16	AS559	CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement	65,536
138.38.0.0/16	AS786	University of Bath	65,536
138.49.0.0/16	AS3128	University of Wisconsin-La Crosse	65,536
138.65.0.0/16	AS749	DoD Network Information Center	65,536
138.246.0.0/16	AS12816	Ludwig-Maximilians-Universitaet Muenchen	65,536

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Hosted domains

There are no domains currently hosted on this ASN.

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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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