143.73.56.0/24

AS1501 · Headquarters, USAISC

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Summary

Country	United States
Domain	mail.mil
ASN	AS1501
Parent Range	143.73.0.0/16
Registry	ARIN
ID	PM-WIN-T-NET11

WHOIS Details

NetHandle:      NET-143-73-0-0-2
OrgID:          HEADQU-3
Parent:         NET-143-73-0-0-1
NetName:        PM-WIN-T-NET11
NetRange:       143.73.0.0 - 143.73.255.255
NetType:        reallocation
RegDate:        2025-08-21
Updated:        2025-08-21
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:        2025-02-13
OfficePhone:    +1-844-347-2457
Mailbox:        disa.columbus.ns.mbx.arin-registrations@mail.mil
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 143.73.56.0/24

Range	ASN	Company	Num of IPs
143.73.0.0/16	AS1501	Headquarters, USAISC	65,536
143.73.0.0/16	AS367	Headquarters, USAISC	65,536
143.73.0.0/16	AS721	Headquarters, USAISC	65,536
143.73.0.0/16	AS747	Headquarters, USAISC	65,536

Nearby Ranges

BGP prefixes that overlap with 143.73.0.0/16

Range	ASN	Company	Num of IPs
143.73.0.0/16	AS1501	Headquarters, USAISC	65,536
143.73.0.0/16	AS367	Headquarters, USAISC	65,536
143.73.0.0/16	AS721	Headquarters, USAISC	65,536
143.73.0.0/16	AS747	Headquarters, USAISC	65,536

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
5.13.48.40	AS8708 DIGI ROMANIA S.A.	`0.70ms` from Bacau, RO
203.59.191.8	AS7545 TPG Telecom Limited	`1.77ms` from Brisbane, AU
24.209.235.8	AS10796 Charter Communications Inc	`11.29ms` from Columbus, US
36.57.175.248	AS4134 CHINANET-BACKBONE	`7.27ms` from Huai'an, CN
118.37.250.56	AS4766 Korea Telecom	`0.47ms` from Incheon, KR
136.48.90.232	AS16591 Google Fiber Inc.	`5.09ms` from Kansas City, US
83.33.190.120	AS3352 TELEFONICA DE ESPANA S.A.U.	`3.46ms` from Madrid, ES
3.108.3.72	AS16509 Amazon.com, Inc.	`0.27ms` from Mumbai, IN
117.108.71.40	AS18081 Kintetsu Cable Network Co., Ltd.	`1.45ms` from Osaka, JP
222.2.106.216	AS2516 KDDI CORPORATION	`13.77ms` from Osaka, JP
153.203.48.232	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.21ms` from Osaka, JP
50.39.170.152	AS20055 Wholesail networks LLC	`0.81ms` from Portland, US
14.92.156.104	AS4766 Korea Telecom	`4.69ms` from Seoul, KR
220.68.64.24	AS9970 Korea University of Technology and Education	`2.76ms` from Seoul, KR
58.96.196.216	AS55430 Starhub Ltd	`2.23ms` from Singapore, SG
166.117.18.200	AS16509 Amazon.com, Inc.	`0.04ms` from Bangkok, TH
107.158.131.40	AS215595 SparkTech LTD	`0.15ms` from Dallas, US
154.37.172.248	AS174 Cogent Communications, LLC	`0.58ms` from Frankfurt am Main, DE
193.8.169.136	AS3214 xTom GmbH	`0.27ms` from Frankfurt am Main, DE
80.130.169.152	AS3320 Deutsche Telekom AG	`6.10ms` from Frankfurt am Main, DE
58.122.103.88	AS9318 SK Broadband Co Ltd	`1.93ms` from Incheon, KR
2.220.70.104	AS5607 Sky UK Limited	`1.76ms` from London, GB
98.167.73.8	AS22773 Cox Communications Inc.	`6.57ms` from Los Angeles, US
78.146.75.72	AS13285 TalkTalk Communications Limited	`4.35ms` from Manchester, GB
115.214.22.200	AS4134 CHINANET-BACKBONE	`3.93ms` from Ningbo, CN

Traceroute

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

traceroute -a -n -q1 -f3 -m9 143.73.56.165

traceroute to 143.73.56.165 (143.73.56.165): 9 hops max, 52 byte packets

3 [AS9002] 87.245.239.26 27.014 ms

4 *

5 *

6 [AS3356] 171.75.10.251 91.938 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in London, GB

On January 19th 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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