192.172.0.0/19

AS721 · DoD Network Information Center

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Summary

Country	United States
Domain	mail.mil
ASN	AS721
Registry	ARIN
ID	DNIC-SUPERBLK2

WHOIS Details

NetHandle:      NET-192-172-21-0-2
OrgID:          DNIC
Parent:         NET-192-172-21-0-1
NetName:        DNIC-SUPERBLK2
NetRange:       192.172.21.0 - 192.172.220.255
NetType:        reallocation
RegDate:        2025-08-26
Updated:        2025-08-26
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 192.172.0.0/19

Range	ASN	Company	Num of IPs
192.172.17.0/24	AS367	Headquarters, USAISC	256
192.172.2.0/24	AS367	Headquarters, USAISC	256
192.172.3.0/24	AS27064	Headquarters, USAISC	256
192.172.13.0/24	AS1590	Headquarters, USAISC	256

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
103.70.27.3	AS45809 ASN for .nz registry content	`2.86ms` from Auckland, NZ
115.240.153.35	AS55836 Reliance Jio Infocomm Limited	`2.72ms` from Bengaluru, IN
79.210.176.3	AS3320 Deutsche Telekom AG	`2.25ms` from Berlin, DE
93.209.193.163	AS3320 Deutsche Telekom AG	`1.78ms` from Frankfurt am Main, DE
2.154.41.211	AS6739 VODAFONE ONO, S.A.	`10.02ms` from Madrid, ES
62.33.225.3	AS20485 Joint Stock Company TransTeleCom	`3.26ms` from Moscow, RU
92.188.11.227	AS8362 NordNet SA	`2.59ms` from Paris, FR
47.44.253.179	AS20115 Charter Communications LLC	`7.23ms` from San Jose, US
66.190.232.195	AS20115 Charter Communications LLC	`13.24ms` from Seattle, US
206.87.154.131	AS393249 University of British Columbia	`7.79ms` from Seattle, US
183.124.198.3	AS4766 Korea Telecom	`7.88ms` from Seoul, KR
1.172.227.163	AS3462 Data Communication Business Group	`4.59ms` from Taichung, TW
51.17.99.211	AS16509 Amazon.com, Inc.	`1.18ms` from Tel Aviv, IL
59.84.222.83	AS10010 TOKAI Communications Corporation	`10.27ms` from Tokyo, JP
121.103.56.3	AS2527 Sony Network Communications Inc.	`1.76ms` from Tokyo, JP
148.222.41.227	AS16276 OVH SAS	`1.43ms` from Ashburn, US
221.236.64.67	AS4134 CHINANET-BACKBONE	`10.27ms` from Chengdu, CN
59.45.89.35	AS137688 CHINATELECOM Liaoning Benxi MAN	`7.15ms` from Dalian, CN
208.81.149.195	AS14230 ARK Data Centers LLC	`7.21ms` from Detroit, US
190.148.106.179	AS14754 TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIMA	`0.91ms` from Guatemala City, GT
95.145.193.35	AS2856 British Telecommunications PLC	`1.72ms` from London, GB
194.82.132.35	AS786 Jisc Services Limited	`0.92ms` from London, GB
169.232.54.3	AS52 University of California, Los Angeles	`0.82ms` from Los Angeles, US
31.37.192.3	AS5410 Bouygues Telecom SA	`3.71ms` from Marseille, FR
99.109.77.163	AS7018 AT&T Enterprises, LLC	`2.37ms` from Miami, US

Traceroute

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

traceroute -a -n -q1 -f4 -m8 192.172.2.38

traceroute to 192.172.2.38 (192.172.2.38): 8 hops max, 52 byte packets

4 [AS4134] 183.36.43.149 6.322 ms

5 [AS4134] 183.56.188.133 4.293 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Shenzhen, CN

On September 4th 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.

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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