204.37.128.0/17

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 204.37.128.0/17

Range	ASN	Company	Num of IPs
204.37.142.0/24	AS1541	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
204.37.162.0/24	AS6041	DoD Network Information Center	256

Nearby Ranges

BGP prefixes that overlap with 204.37.0.0/16

Range	ASN	Company	Num of IPs
204.37.64.0/18	AS749	DoD Network Information Center	16,384
204.37.8.0/21	AS721	DoD Network Information Center	2,048
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
145.109.156.1	AS1124 Universiteit van Amsterdam	0.29ms from Amsterdam, NL
86.82.59.49	AS1136 KPN B.V.	1.50ms from Amsterdam, NL
217.100.118.1	AS33915 Vodafone Libertel B.V.	0.49ms from Amsterdam, NL
47.226.232.1	AS20115 Charter Communications LLC	15.61ms from Atlanta, US
73.108.254.1	AS7922 Comcast Cable Communications, LLC	16.58ms from Atlanta, US
217.68.185.1	AS16202 Tele Columbus AG	4.29ms from Berlin, DE
89.123.25.129	AS9050 Orange Romania S.A.	8.20ms from Bucharest, RO
118.254.8.1	AS4134 CHINANET-BACKBONE	6.36ms from Changsha, CN
173.207.60.1	AS11492 CABLE ONE, INC.	15.79ms from Chicago, US
24.180.234.113	AS20115 Charter Communications LLC	5.68ms from Chicago, US
27.13.89.97	AS4837 CHINA UNICOM China169 Backbone	2.29ms from Chongqing, CN
190.115.125.1	AS28038 SAN LUIS CTV S.A.	10.51ms from Cordoba, AR
64.35.211.81	AS10320 Internet Services Provider Network	0.93ms from Kansas City, US
205.202.203.161	AS11714 Network Nebraska	4.68ms from Kansas City, US
24.249.109.129	AS22773 Cox Communications Inc.	4.22ms from Kansas City, US
72.200.245.209	AS22773 Cox Communications Inc.	4.26ms from Kansas City, US
24.177.104.1	AS20115 Charter Communications LLC	5.15ms from Minneapolis, US
47.12.16.1	AS20115 Charter Communications LLC	5.94ms from Minneapolis, US
24.138.88.1	AS11290 Cogeco Connexion inc	1.80ms from Montreal, CA
62.231.247.241	AS28885 OmanTel NAP	1.86ms from Muscat, OM
114.220.231.1	AS4134 CHINANET-BACKBONE	4.22ms from Nanjing, CN
65.183.107.161	AS17253 TEC of Jackson, Inc.	4.69ms from New Orleans, US
108.52.205.1	AS701 Verizon Business	1.36ms from Philadelphia, US
71.254.200.1	AS701 Verizon Business	3.55ms from Philadelphia, US
98.171.101.1	AS22773 Cox Communications Inc.	2.12ms from Phoenix, US

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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