137.4.0.0/16

AS56 · United States Department of Defense (DoD)

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Summary

Country	United States
Domain	mail.mil
ASN	AS56
Registry	ARIN
ID	CHARLESTON

WHOIS Details

NetHandle:      NET-137-4-0-0-2
OrgID:          7ESG
Parent:         NET-137-4-0-0-1
NetName:        CHARLESTON
NetRange:       137.4.0.0 - 137.4.255.255
NetType:        reallocation
RegDate:        2025-08-19
Updated:        2025-08-19
Source:         ARIN


OrgID:          7ESG
OrgName:        Air Force Systems Networking
CanAllocate:    
Street:         501 EAST MOORE DR. BLDG 884 RM 1100 GUNTHER ANNEX
City:           MAXWELL AFB
State/Prov:     AL
Country:        US
PostalCode:     36114
RegDate:        2008-06-05
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 137.0.0.0/8

Range	ASN	Company	Num of IPs
137.176.0.0/13	AS11003	The Procter and Gamble Company	524,288
137.198.0.0/16	AS22773	Hampton University	65,536
137.78.0.0/16	AS127	National Aeronautics and Space Administration	65,536
137.61.0.0/16	AS15991	IT/GITS	65,536
137.140.0.0/16	AS22303	State University of New York at New Paltz	65,536
137.77.0.0/16	AS22284	U.S. Department of Interior Bureau of Reclamation	65,536
137.74.0.0/16	AS16276	OVH SAS	65,536
137.190.0.0/16	AS210	Weber State University	65,536
137.89.0.0/16	AS14977	Wyoming Higher Education Computer Network	65,536
137.90.0.0/16	AS14977	Wyoming Higher Education Computer Network	65,536
137.164.0.0/16	AS2153	CENIC	65,536
137.194.0.0/16	AS1712	Télécom Paris	65,536
137.16.0.0/16	AS16509	Amazon.com, Inc.	65,536
137.19.0.0/16	AS16509	Amazon.com, Inc.	65,536
137.150.0.0/16	AS2153	California State Polytechnic University, Humboldt	65,536
137.45.0.0/16	AS13783	Radford University	65,536
137.228.0.0/16	AS127	National Aeronautics and Space Administration	65,536
137.204.0.0/16	AS137	UNI-Bologna	65,536
137.15.0.0/16	AS14836	City of Toronto	65,536
137.230.0.0/16	AS14381	Caterpillar, Inc.	65,536
137.85.0.0/16	AS14977	Wyoming Higher Education Computer Network	65,536
137.88.0.0/16	AS14977	Wyoming Higher Education Computer Network	65,536
137.160.0.0/16	AS16509	Amazon.com, Inc.	65,536
137.58.0.0/16	AS158	Telefonaktiebolaget LM Ericsson	65,536
137.17.0.0/16	AS1136	National Aerospace Laboratory	65,536
137.114.0.0/16	AS16509	Amazon Technologies Inc.	65,536
137.216.0.0/16	AS11607	South Dakota State University	65,536
137.185.0.0/16	AS11003	The Procter and Gamble Company	65,536
137.207.0.0/16	AS11700	University of Windsor	65,536
137.192.0.0/16	AS1347	Inteliquent, inc.	65,536
137.54.0.0/16	AS225	University of Virginia	65,536
137.147.0.0/16	AS1221	Telstra Limited	65,536
137.188.0.0/16	AS12079	Verizon Wireless	65,536
137.53.0.0/16	AS11995	Oregon Health & Science University	65,536
137.120.0.0/16	AS1103	P.O.Box 616, 6200 MD, Maastricht, The Netherlands	65,536
137.96.0.0/16	AS1234	Fortum Oyj	65,536
137.202.0.0/16	AS13541	Siemens Industry Software Inc.	65,536
137.101.0.0/16	AS12430	ORG-AMS1-RIPE	65,536
137.124.0.0/16	AS11351	State University of New York College of Technology at Delhi	65,536
137.79.0.0/16	AS127	National Aeronautics and Space Administration	65,536
137.224.0.0/16	AS1103	Wageningen Universiteit	65,536
137.99.0.0/16	AS13796	University of Connecticut	65,536
137.124.0.0/16	AS11351	State University of New York College of Technology at Delhi	65,536
137.192.0.0/16	AS14929	Inteliquent, inc.	65,536
137.86.0.0/16	AS14977	Wyoming Higher Education Computer Network	65,536
137.87.0.0/16	AS14977	Wyoming Higher Education Computer Network	65,536
137.36.0.0/16	AS11351	The State University of New York College of Agriculture and Technology at Cobleskill	65,536
137.154.0.0/16	AS10079	University of Western Sydney	65,536
137.56.0.0/16	AS1103	Universiteit van Tilburg	65,536
137.237.0.0/16	AS243	L3Harris Technologies, Inc.	65,536

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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
217.254.73.48	AS3320 Deutsche Telekom AG	`7.54ms` from Frankfurt am Main, DE
91.9.55.192	AS3320 Deutsche Telekom AG	`10.33ms` from Frankfurt am Main, DE
171.228.135.48	AS7552 Viettel Group	`2.23ms` from Hanoi, VN
99.84.200.144	AS16509 Amazon.com, Inc.	`0.14ms` from Minneapolis, US
88.120.239.240	AS12322 Free SAS	`11.37ms` from Paris, FR
59.17.198.208	AS4766 Korea Telecom	`1.34ms` from Seoul, KR
104.81.202.160	AS16625 Akamai Technologies, Inc.	`0.18ms` from Singapore, SG
210.163.129.0	AS4713 NTT DOCOMO BUSINESS,Inc.	`8.76ms` from Tokyo, JP
176.119.46.176	AS42503 Oktawave S.A.	`0.50ms` from Warsaw, PL
34.206.214.208	AS14618 Amazon.com, Inc.	`0.57ms` from Ashburn, US
52.120.239.16	AS8075 Microsoft Corporation	`1.18ms` from Ashburn, US
8.146.253.0	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.69ms` from Beijing, CN
125.33.23.176	AS4808 China Unicom Beijing Province Network	`3.32ms` from Beijing, CN
169.239.227.32	AS37153 Xneelo (Pty) Ltd	`0.15ms` from Johannesburg, ZA
92.21.80.144	AS13285 TalkTalk Communications Limited	`3.28ms` from London, GB
83.40.118.176	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.02ms` from Madrid, ES
31.23.116.32	AS12389 PJSC Rostelecom	`16.98ms` from Moscow, RU
85.18.147.112	AS12874 Fastweb SpA	`7.63ms` from Rome, IT
188.122.151.96	AS29518 Bredband2 AB	`2.02ms` from Stockholm, SE
181.44.199.128	AS27747 Telecentro S.A.	`7.86ms` from Buenos Aires, AR
74.40.216.32	AS5650 Frontier Communications of America, Inc.	`19.61ms` from Chicago, US
73.111.76.32	AS7922 Comcast Cable Communications, LLC	`7.29ms` from Chicago, US
96.53.174.64	AS6327 Shaw Communications	`8.56ms` from Edmonton, CA
109.145.240.48	AS2856 British Telecommunications PLC	`4.31ms` from London, GB
72.134.75.176	AS20001 Charter Communications Inc	`5.41ms` from Los Angeles, US

Traceroute

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

traceroute -a -n -q1 -f2 -m6 137.4.207.32

traceroute to 137.4.207.32 (137.4.207.32): 6 hops max, 52 byte packets

2 [] 193.27.15.198 0.878 ms

3 [AS3356] 213.249.123.45 5.456 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Brussels, BE

On December 28th 2025

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.

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