199.122.42.0/24

AS1540 · Headquarters, USAISC

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Summary

Country	United States
Domain	mail.mil
ASN	AS1540
Registry	ARIN
ID	CTNOSC-NET3

WHOIS Details

NetHandle:      NET-199-122-42-0-1
OrgID:          HEADQU-3
Parent:         NET-199-122-32-0-2
NetName:        CTNOSC-NET3
NetRange:       199.122.42.0 - 199.122.42.255
NetType:        reassignment
RegDate:        2025-08-20
Updated:        2025-08-20
Source:         ARIN


OrgID:          HEADQU-3
OrgName:        Headquarters, USAISC
CanAllocate:    
Street:         NETC-ANC CONUS TNOSC
City:           Fort Huachuca
State/Prov:     AZ
Country:        US
PostalCode:     85613
RegDate:        1990-03-26
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:        2026-02-12
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.arin-registrations@mail.mil
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 199.122.0.0/16

Range	ASN	Company	Num of IPs
199.122.128.0/17	AS749	DoD Network Information Center	32,768
199.122.64.0/19	AS749	DoD Network Information Center	8,192
199.122.96.0/21	AS749	DoD Network Information Center	2,048
199.122.120.0/21	AS14340	Salesforce.com, Inc.	2,048
199.122.104.0/21	AS46687	BCI Mississippi Broadband,LLC	2,048
199.122.8.0/21	AS749	DoD Network Information Center	2,048
199.122.28.0/22	AS12025	Logicalis	1,024
199.122.54.0/23	AS749	DoD Network Information Center	512
199.122.53.0/24	AS1540	Headquarters, USAISC	256
199.122.3.0/24	AS398749	Decathlon Canada Inc.	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
20.242.187.248	AS8075 Microsoft Corporation	`0.40ms` from Ashburn, US
40.71.1.200	AS8075 Microsoft Corporation	`0.41ms` from Ashburn, US
162.206.206.8	AS7018 AT&T Enterprises, LLC	`6.59ms` from Atlanta, US
76.235.167.24	AS7018 AT&T Enterprises, LLC	`19.07ms` from Chicago, US
217.179.255.56	AS5503 RM Education Ltd	`0.39ms` from London, GB
185.231.228.8	AS203059 Consorzio Energetico Val Venosta Soc. Coop.	`6.13ms` from Milan, IT
94.92.56.200	AS3269 Telecom Italia S.p.A.	`3.24ms` from Milan, IT
159.145.8.40	AS1226 California Department of Technology	`3.72ms` from Santa Clara, US
54.150.203.120	AS16509 Amazon.com, Inc.	`0.22ms` from Tokyo, JP
43.207.179.88	AS16509 Amazon.com, Inc.	`0.56ms` from Tokyo, JP
178.129.170.40	AS28812 PJSC "Bashinformsvyaz"	`9.34ms` from Yekaterinburg, RU
34.225.4.184	AS14618 Amazon.com, Inc.	`0.52ms` from Ashburn, US
35.85.152.120	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US
201.179.81.56	AS22927 Telefonica de Argentina	`7.72ms` from Buenos Aires, AR
217.253.217.120	AS3320 Deutsche Telekom AG	`6.75ms` from Frankfurt am Main, DE
75.219.228.200	AS6167 Verizon Business	`11.91ms` from New York City, US
182.165.21.24	AS17511 OPTAGE Inc.	`2.76ms` from Osaka, JP
188.124.35.120	AS49505 JSC Selectel	`1.07ms` from Saint Petersburg, RU
61.4.194.168	AS18313 LG HelloVision Corp.	`2.07ms` from Seoul, KR
141.223.156.232	AS3784 Pohang University of Science and Technology	`6.16ms` from Seoul, KR
116.124.33.184	AS9318 SK Broadband Co Ltd	`7.98ms` from Seoul, KR
142.113.202.200	AS577 Bell Canada	`0.91ms` from Toronto, CA
3.80.107.232	AS14618 Amazon.com, Inc.	`0.57ms` from Ashburn, US
20.127.252.248	AS8075 Microsoft Corporation	`0.42ms` from Ashburn, US
77.11.217.72	AS6805 Telefonica Germany GmbH & Co.OHG	`2.77ms` from Berlin, DE

Traceroute

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

traceroute -a -n -q1 -f4 -m7 199.122.42.72

traceroute to 199.122.42.72 (199.122.42.72): 7 hops max, 52 byte packets

4 [AS21928] 100.199.0.93 0.068 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Tieling, CN

On March 13th 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.

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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