158.243.146.0/24

AS637 · United States Department of Defense (DoD)

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Summary

Country	United States
Domain	usmc.mil
ASN	AS637
Parent Range	158.243.0.0/16
Registry	ARIN
ID	USMC-MARFORRES

WHOIS Details

NetHandle:      NET-158-243-0-0-2
OrgID:          UNOC
Parent:         NET-158-243-0-0-1
NetName:        USMC-MARFORRES
NetRange:       158.243.0.0 - 158.243.255.255
NetType:        reallocation
RegDate:        2025-08-13
Updated:        2025-08-13
Source:         ARIN


OrgID:          UNOC
OrgName:        MARINE CORPS CYBERSPACE OPERATIONS GROUP
CanAllocate:    
Street:         COMMANDING OFFICER, MCNOSC
Street:         27410 HOT PATCH ROAD
City:           QUANTICO
State/Prov:     VA
Country:        US
PostalCode:     22134
Comment:        Mailbox:  MCCOG_NIC_ADMINS@USMC.MIL
RegDate:        1997-07-21
Updated:        2025-09-12
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:        2026-02-12
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.arin-registrations@mail.mil
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 158.243.146.0/24

Range	ASN	Company	Num of IPs
158.243.0.0/16	AS637	MARINE CORPS CYBERSPACE OPERATIONS GROUP	65,536

Nearby Ranges

BGP prefixes that overlap with 158.243.0.0/16

Range	ASN	Company	Num of IPs
158.243.0.0/16	AS637	MARINE CORPS CYBERSPACE OPERATIONS GROUP	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
172.10.141.168	AS7018 AT&T Enterprises, LLC	`2.22ms` from Atlanta, US
161.18.239.168	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`3.41ms` from Bogota, CO
73.47.100.216	AS7922 Comcast Cable Communications, LLC	`11.93ms` from Boston, US
107.11.155.88	AS10796 Charter Communications Inc	`6.33ms` from Columbus, US
86.184.209.72	AS2856 British Telecommunications PLC	`6.34ms` from London, GB
45.92.34.40	AS9009 M247 Europe SRL	`0.29ms` from London, GB
173.227.147.104	AS32847 LMG, Inc	`1.62ms` from Orlando, US
112.71.45.8	AS17511 OPTAGE Inc.	`2.05ms` from Osaka, JP
45.4.23.24	AS262459 Osirnet Info Telecom Ltda.	`4.08ms` from Porto Alegre, BR
211.54.200.56	AS4766 Korea Telecom	`4.90ms` from Seoul, KR
58.196.153.24	AS4538 China Education and Research Network Center	`2.70ms` from Shanghai, CN
111.165.110.200	AS4837 CHINA UNICOM China169 Backbone	`4.78ms` from Beijing, CN
175.3.208.120	AS4134 CHINANET-BACKBONE	`9.11ms` from Changsha, CN
192.206.183.40	AS17320 Coastal Federal Credit Union	`8.06ms` from Charlotte, US
3.78.231.184	AS16509 Amazon.com, Inc.	`0.46ms` from Frankfurt am Main, DE
79.228.119.40	AS3320 Deutsche Telekom AG	`6.26ms` from Frankfurt am Main, DE
151.83.209.168	AS1267 WIND TRE S.P.A.	`5.56ms` from Milan, IT
213.194.241.88	AS207187 TKR Jasek, s.r.o.	`6.58ms` from Prague, CZ
23.22.58.168	AS14618 Amazon.com, Inc.	`0.15ms` from Reston, US
74.40.184.248	AS5650 Frontier Communications of America, Inc.	`10.55ms` from Secaucus, US
20.195.113.8	AS8075 Microsoft Corporation	`0.55ms` from Singapore, SG
93.183.150.200	AS25374 ESCOM Ltd. - Haskovo	`3.48ms` from Sofia, BG
192.72.229.88	AS4780 Digital United Inc.	`0.89ms` from Taipei, TW
105.233.176.152	AS36874 Cybersmart	`1.67ms` from Cape Town, ZA
193.16.162.40	AS42312 RTL Technology GmbH	`3.13ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 -f2 -m7 158.243.146.81

traceroute to 158.243.146.81 (158.243.146.81): 7 hops max, 52 byte packets

2 [AS4837] 60.13.145.126 0.534 ms

3 *

4 [AS4837] 60.13.180.65 0.343 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Hami, CN

On February 16th 2026

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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