1. All IP Ranges
  2. 138.0.0.0/8
  3. 138.158.0.0/16
  4. AS637  | 138.158.0.0/16

138.158.0.0/16

AS637  ·  United States Department of Defense (DoD)

Need more data or want to access it via API or data downloads? Sign up to get free access

Sign up for free ›

Summary

Country United States
Domain mail.mil
ASN AS637
Registry ARIN
ID DISN-IP-RESERVE-1-0

WHOIS Details

NetHandle:      NET-138-158-0-0-2
OrgID:          DNIC
Parent:         NET-138-158-0-0-1
NetName:        DISN-IP-RESERVE-1-0
NetRange:       138.158.0.0 - 138.158.255.255
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 138.0.0.0/8

Range ASN Company Num of IPs
138.123.0.0/16 AS46887 Delaware Technical Community College 65,536
138.78.0.0/16 AS396087 St. Mary's College of Maryland 65,536
138.110.0.0/16 AS396128 Mount Holyoke College 65,536
138.64.0.0/16 AS4685 ASAHI Net,Inc. 65,536
138.223.0.0/16 AS3303 65,536
138.190.0.0/16 AS3303 Berne, Switzerland 65,536
138.50.0.0/16 AS367 Headquarters, USAISC 65,536
138.6.0.0/16 AS38956 Uppsala local government 65,536
138.67.0.0/16 AS36704 Colorado School of Mines 65,536
138.62.0.0/16 AS25400 Norwegian State Railways 65,536
138.48.0.0/16 AS2611 Facultes Universitaires Notre Dame de la Paix 65,536
138.115.0.0/16 AS270 National Aeronautics and Space Administration 65,536
138.51.0.0/16 AS239 University of Toronto 65,536
138.210.0.0/16 AS2379 CenturyLink Communications, LLC 65,536
138.210.0.0/16 AS11398 CenturyLink Communications, LLC 65,536
138.86.0.0/16 AS15295 University of Northern Colorado 65,536
138.240.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.66.0.0/16 AS20981 Prov. Casamassima Km.3 65,536
138.210.0.0/16 AS29817 CenturyLink Communications, LLC 65,536
138.37.0.0/16 AS198864 Queen Mary University of London 65,536
138.210.0.0/16 AS209 CenturyLink Communications, LLC 65,536
138.132.0.0/16 AS20746 Italtel SPA 65,536
138.195.0.0/16 AS2200 CENTRALESUPELEC 65,536
138.216.0.0/16 AS214692 Tuve-palvelut 65,536
138.102.0.0/16 AS2200 INRAE 65,536
138.77.0.0/16 AS24433 Central Queensland University 65,536
138.220.0.0/16 AS10497 IBRD 65,536
138.231.0.0/16 AS2269 Ecole Normale Superieure Paris-Saclay EPSCP 65,536
138.236.0.0/16 AS17234 Gustavus Adolphus College 65,536
138.247.0.0/16 AS23122 Dakota State University 65,536
138.217.0.0/16 AS1221 Telstra Limited 65,536
138.130.0.0/16 AS1221 Telstra Limited 65,536
138.189.0.0/16 AS12511 Post CH AG 65,536
138.191.0.0/16 AS12511 Post CH AG 65,536
138.246.0.0/16 AS12816 Ludwig-Maximilians-Universitaet Muenchen 65,536
138.15.0.0/16 AS10753 NEC Laboratories America, Inc. 65,536
138.9.0.0/16 AS18663 University of the Pacific 65,536
138.237.0.0/16 AS18791 Texas Christian University 65,536
138.92.0.0/16 AS11482 Canisius College 65,536
138.201.0.0/16 AS24940 Server Block 65,536
138.70.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.27.0.0/16 AS1540 Headquarters, USAISC 65,536
138.225.0.0/16 AS20868 ABB Information Systems Ltd 65,536
138.90.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.52.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.41.0.0/16 AS137 DIR-GARR - Roma 65,536
138.232.0.0/16 AS1110 University of Innsbruck 65,536
138.210.0.0/16 AS14921 CenturyLink Communications, LLC 65,536
138.22.0.0/16 AS1853 GeoSphere Austria 65,536
138.131.0.0/16 AS559 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement 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
Read more

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
52.33.127.80 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
108.146.89.144 AS20057 AT&T Enterprises, LLC 9.24ms from Chicago, US
118.92.116.16 AS9500 One New Zealand Group Limited 8.45ms from Christchurch, NZ
65.24.228.240 AS10796 Charter Communications Inc 8.61ms from Columbus, US
221.164.147.240 AS4766 Korea Telecom 4.62ms from Incheon, KR
88.218.190.16 AS56485 TheHost LLC 0.89ms from Kyiv, UA
50.38.231.208 AS5650 Frontier Communications of America, Inc. 17.13ms from Los Angeles, US
88.5.69.160 AS3352 TELEFONICA DE ESPANA S.A.U. 5.23ms from Madrid, ES
99.105.18.240 AS7018 AT&T Enterprises, LLC 2.32ms from Miami, US
88.39.37.128 AS3269 Telecom Italia S.p.A. 3.78ms from Milan, IT
31.172.213.96 AS12389 PJSC Rostelecom 9.55ms from Moscow, RU
126.159.82.80 AS17676 SoftBank Corp. 3.58ms from Osaka, JP
116.222.95.144 AS9824 JCOM Co., Ltd. 7.22ms from Osaka, JP
72.109.29.112 AS6167 Verizon Business 15.41ms from Piscataway, US
27.210.246.144 AS4837 CHINA UNICOM China169 Backbone 1.63ms from Qingdao, CN
191.232.187.32 AS8075 Microsoft Corporation 0.29ms from Sao Paulo, BR
39.101.195.32 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.63ms from Zhangjiakou, CN
5.194.236.32 AS5384 Emirates Internet 5.19ms from Al Fujairah City, AE
95.98.9.160 AS50266 Odido Netherlands B.V. 3.36ms from Amsterdam, NL
179.97.46.80 AS262740 VELOO NET LTDA 14.66ms from Fortaleza, BR
43.154.186.64 AS132203 Tencent Building, Kejizhongyi Avenue 0.36ms from Hong Kong, HK
81.134.16.96 AS2856 British Telecommunications PLC 3.43ms from London, GB
94.6.191.96 AS5607 Sky UK Limited 3.87ms from London, GB
201.142.132.192 AS8151 UNINET 3.82ms from Los Angeles, US
2.207.78.160 AS3209 Vodafone GmbH 5.61ms from Munich, DE

Traceroute

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

$
traceroute -a -n -q1 -f4 -m7 138.158.227.207
traceroute to 138.158.227.207 (138.158.227.207): 7 hops max, 52 byte packets
4 [AS21928] 100.199.0.57 0.082 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Liuzhou, CN
On

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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales
IPinfo for all your IP geolocation needs

Our IP tools

Explore all tools
What is my IP

What is my IP

Test our data accuracy by viewing insights from your IP address.

See your IP address
Map IPs

Map IPs

Paste up to 500,000 IPs to see where they're located on a map.

Try Map IPs
Summarize IPs

Summarize IPs

Use our data visualization tool to create a visual overview of multiple IPs.

Try Summarize IPs