138.27.0.0/16

AS1540 · Headquarters, USAISC

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Summary

Country	United States
Domain	mail.mil
ASN	AS1540
Registry	ARIN
ID	HUACHUCA-NET

WHOIS Details

NetHandle:      NET-138-27-0-0-1
OrgID:          HEADQU-3
Parent:         NET-138-0-0-0-0
NetName:        HUACHUCA-NET
NetRange:       138.27.0.0 - 138.27.255.255
NetType:        allocation
RegDate:        1990-01-31
Updated:        2021-12-14
Source:         ARIN


OrgID:          HEADQU-3
OrgName:        Headquarters, USAISC
CanAllocate:    
Street:         NETC-ANC CONUS TNOSC
City:           Fort Huachuca
State/Prov:     AZ
Country:        US
PostalCode:     85613
RegDate:        1990-03-26
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
138.168.0.0/14	AS721	MARINE CORPS CYBERSPACE OPERATIONS GROUP	262,144
138.172.0.0/14	AS749	DoD Network Information Center	262,144
138.178.0.0/15	AS721	Navy Network Information Center (NNIC)	131,072
138.160.0.0/15	AS721	DoD Network Information Center	131,072
138.162.0.0/15	AS665	Navy Network Information Center (NNIC)	131,072
138.60.0.0/15	AS749	ORG-DODNIC-1	131,072
138.250.0.0/15	AS786	Cranfield University	131,072
138.244.0.0/15	AS12816	LMU-Klinikum	131,072
138.176.0.0/15	AS749	DoD Network Information Center	131,072
138.150.0.0/15	AS721	DoD Network Information Center	131,072
138.232.0.0/16	AS1110	University of Innsbruck	65,536
138.4.0.0/16	AS766	Universidad Politecnica de Madrid	65,536
138.37.0.0/16	AS198864	Queen Mary University of London	65,536
138.23.0.0/16	AS6106	University of California, Riverside	65,536
138.91.0.0/16	AS8075	Microsoft Corp	65,536
138.66.0.0/16	AS20981	Prov. Casamassima Km.3	65,536
138.9.0.0/16	AS18663	University of the Pacific	65,536
138.63.0.0/16	AS1715	Centre Europeen de Recherches et Formation Avancee en Calcul Scientifique	65,536
138.236.0.0/16	AS17234	Gustavus Adolphus College	65,536
138.223.0.0/16	AS3303		65,536
138.225.0.0/16	AS20868	ABB Information Systems Ltd	65,536
138.195.0.0/16	AS2200	CENTRALESUPELEC	65,536
138.89.0.0/16	AS701	Verizon Internet Services	65,536
138.254.0.0/16	AS243	L3Harris Technologies, Inc.	65,536
138.100.0.0/16	AS766	Universidad Politecnica de Madrid	65,536
138.239.0.0/16	AS8075	Microsoft Singapore Pte. Ltd.	65,536
138.178.0.0/16	AS721	Navy Network Information Center (NNIC)	65,536
138.78.0.0/16	AS396087	St. Mary's College of Maryland	65,536
138.81.0.0/16	AS3303	ISO Central Secretariat	65,536
138.131.0.0/16	AS559	CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement	65,536
138.190.0.0/16	AS3303	Berne, Switzerland	65,536
138.101.0.0/16	AS9593	Nikkei Inc.	65,536
138.19.0.0/16	AS9269	Asia Pacific Network Information Centre	65,536
138.135.0.0/16	AS749	DoD Network Information Center	65,536
138.103.0.0/16	AS7046	AB Sandvik	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
138.156.0.0/16	AS637	MARINE CORPS CYBERSPACE OPERATIONS GROUP	65,536
138.194.0.0/16	AS6262	imported inetnum object for CIS-56	65,536
138.17.0.0/16	AS749	DoD Network Information Center	65,536
138.18.0.0/16	AS749	DoD Network Information Center	65,536
138.198.0.0/16	AS51964	STMicroelectronics	65,536
138.181.0.0/16	AS749	DoD Network Information Center	65,536
138.25.0.0/16	AS7575	University of Technology Sydney	65,536
138.253.0.0/16	AS786	University of Liverpool (NET-LIVNET)	65,536
138.119.0.0/16	AS611	University of New Brunswick	65,536
138.67.0.0/16	AS36704	Colorado School of Mines	65,536

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
23.88.242.208	AS14618 Amazon.com, Inc.	0.51ms from Ashburn, US
79.221.202.64	AS3320 Deutsche Telekom AG	4.76ms from Frankfurt am Main, DE
180.46.124.16	AS4713 NTT Communications Corporation	5.96ms from Osaka, JP
167.131.175.208	AS1798 State of Oregon	8.62ms from Portland, US
59.104.93.0	AS4780 Digital United Inc.	0.70ms from Taipei, TW
52.19.214.96	AS16509 Amazon.com, Inc.	0.17ms from Dublin, IE
81.34.127.64	AS3352 TELEFONICA DE ESPANA S.A.U.	3.38ms from Madrid, ES
221.140.60.160	AS9318 SK Broadband Co Ltd	1.66ms from Seoul, KR
101.6.208.16	AS4538 China Education and Research Network Center	2.24ms from Beijing, CN
109.233.112.192	AS30827 Extraordinary Managed Services Ltd	0.94ms from London, GB
2.60.151.48	AS12389 PJSC Rostelecom	9.24ms from Novosibirsk, RU
45.4.72.0	AS266046 INTERCONNECT TRANSMISSAO DE DADOS	1.45ms from Osasco, BR
45.65.237.64	AS266526 Jefferson Mantovani ltda me	8.07ms from Sao Paulo, BR
220.143.102.16	AS3462 Data Communication Business Group	7.08ms from Taichung, TW
64.182.179.96	AS54489 CoreSpace, Inc.	0.89ms from Dallas, US
79.233.177.32	AS3320 Deutsche Telekom AG	6.79ms from Frankfurt am Main, DE
93.199.166.48	AS3320 Deutsche Telekom AG	8.10ms from Frankfurt am Main, DE
66.142.206.192	AS7018 AT&T Enterprises, LLC	7.20ms from Kansas City, US
2.218.171.240	AS5607 Sky UK Limited	7.43ms from London, GB
15.188.63.160	AS16509 Amazon.com, Inc.	0.44ms from Paris, FR
79.118.46.208	AS8708 DIGI ROMANIA S.A.	3.44ms from Timisoara, RO
3.113.70.160	AS16509 Amazon.com, Inc.	0.18ms from Tokyo, JP
126.60.93.112	AS17676 SoftBank Corp.	9.86ms from Tokyo, JP
58.64.48.176	AS133481 AIS Fibre	1.24ms from Bangkok, TH
181.22.146.32	AS22927 Telefonica de Argentina	4.14ms from Buenos Aires, AR

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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