204.37.8.0/21

AS721 · DoD Network Information Center

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Summary

Country	United States
Domain	mail.mil
ASN	AS721
Registry	ARIN
ID	DNIC-NETBLK-204-034

WHOIS Details

NetHandle:      NET-204-34-0-0-1
OrgID:          DNIC
Parent:         NET-204-0-0-0-0
NetName:        DNIC-NETBLK-204-034
NetRange:       204.34.0.0 - 204.37.255.255
NetType:        allocation
RegDate:        1994-05-13
Updated:        2009-09-23
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:        2025-02-12
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:        2025-02-13
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.arin-registrations@mail.mil
Source:         ARIN

Overlapping Ranges

BGP prefixes that are contained by 204.37.8.0/21

Range	ASN	Company	Num of IPs
204.37.10.0/24	AS27064	DoD Network Information Center	256

Nearby Ranges

BGP prefixes that overlap with 204.37.0.0/16

Range	ASN	Company	Num of IPs
204.37.128.0/17	AS721	DoD Network Information Center	32,768
204.37.64.0/18	AS749	DoD Network Information Center	16,384
204.37.16.0/21	AS252	DoD Network Information Center	2,048
204.37.10.0/24	AS27064	DoD Network Information Center	256
204.37.142.0/24	AS1541	DoD Network Information Center	256
204.37.162.0/24	AS6041	DoD Network Information Center	256
204.37.24.0/24	AS252	DoD Network Information Center	256
204.37.140.0/24	AS1541	DoD Network Information Center	256
204.37.141.0/24	AS1541	DoD Network Information Center	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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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
108.169.172.21	AS10796 Charter Communications Inc	5.67ms from Columbus, US
157.15.168.5	AS152380 PT Jeff Network Nusantara	1.19ms from Jakarta, ID
86.193.38.213	AS3215 Orange S.A.	10.47ms from Marseille, FR
186.78.253.213	AS7418 TELEFÓNICA CHILE S.A.	3.80ms from Santiago, CL
189.235.94.117	AS8151 UNINET	13.30ms from Santiago de Queretaro, MX
59.23.218.85	AS4766 Korea Telecom	4.55ms from Seoul, KR
59.11.48.37	AS4766 Korea Telecom	1.57ms from Seoul, KR
124.167.233.21	AS4837 CHINA UNICOM China169 Backbone	6.91ms from Taiyuan, CN
193.247.190.245	AS559 SWITCH	1.94ms from Zuerich, CH
52.166.96.181	AS8075 Microsoft Corporation	0.22ms from Amsterdam, NL
208.86.163.213	AS35862 JCWIFI.COM	3.64ms from Chicago, US
65.222.81.197	AS701 Verizon Business	5.55ms from Miami, US
184.103.199.69	AS209 CenturyLink Communications, LLC	7.85ms from Phoenix, US
20.169.152.149	AS8075 Microsoft Corporation	0.37ms from Ashburn, US
93.160.203.149	AS3292 TDC Holding A/S	3.12ms from Copenhagen, DK
24.137.67.197	AS11260 EastLink	4.50ms from Halifax, CA
103.150.98.229	AS133800 PT Biznet Gio Nusantara	1.46ms from Jakarta, ID
42.94.60.149	AS4134 CHINANET-BACKBONE	4.27ms from Lanzhou, CN
18.154.25.133	AS16509 Amazon.com, Inc.	0.22ms from Madrid, ES
58.27.3.197	AS4788 TM TECHNOLOGY SERVICES SDN. BHD.	1.22ms from Sepang, MY
138.121.12.229	AS262191 LIBERTY NETWORKS DE COLOMBIA S.A.S	0.72ms from Bogota, CO
204.138.167.181	AS16434 Hitachi Cable Manchester, INC	2.89ms from Boston, US
116.103.201.245	AS7552 Viettel Group	0.28ms from Ho Chi Minh City, VN
103.16.106.5	AS9498 BHARTI Airtel Ltd.	0.82ms from Kolkata, IN
175.145.13.117	AS4788 TM TECHNOLOGY SERVICES SDN. BHD.	4.36ms from Kuala Lumpur, MY

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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