143.81.8.0/21

AS6034 · United States Department of Defense (DoD)

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Summary

Country	United States
Domain	mail.mil
ASN	AS6034
Parent Range	143.81.0.0/16
Registry	ARIN
ID	KUWAIT-NET1

WHOIS Details

NetHandle:      NET-143-81-0-0-2
OrgID:          HEADQU-3
Parent:         NET-143-81-0-0-1
NetName:        KUWAIT-NET1
NetRange:       143.81.0.0 - 143.81.255.255
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 143.81.8.0/21

Range	ASN	Company	Num of IPs
143.81.0.0/16	AS6034	Headquarters, USAISC	65,536
143.81.0.0/16	AS721	Headquarters, USAISC	65,536

Nearby Ranges

BGP prefixes that overlap with 143.81.0.0/16

Range	ASN	Company	Num of IPs
143.81.0.0/16	AS6034	Headquarters, USAISC	65,536
143.81.0.0/16	AS721	Headquarters, USAISC	65,536

Hosted domains

There are no domains currently hosted on this ASN.

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
89.19.214.181	AS210976 Timeweb, LLP	`0.43ms` from Amsterdam, NL
195.175.103.85	AS9121 Turk Telekomunikasyon Anonim Sirketi	`0.43ms` from Bursa, TR
154.177.200.37	AS8452 TE-AS	`2.90ms` from Cairo, EG
161.47.157.213	AS19994 Rackspace Hosting	`1.18ms` from Chicago, US
20.123.27.213	AS8075 Microsoft Corporation	`0.15ms` from Dublin, IE
211.204.236.37	AS9318 SK Broadband Co Ltd	`5.26ms` from Incheon, KR
41.74.183.5	AS37053 RSAWEB (PTY) LTD	`1.05ms` from Johannesburg, ZA
202.8.118.245	AS23860 Alliance Broadband Services Pvt. Ltd.	`0.20ms` from Kolkata, IN
2.221.212.213	AS5607 Sky UK Limited	`5.59ms` from London, GB
179.25.243.101	AS6057 Administracion Nacional de Telecomunicaciones	`3.47ms` from Montevideo, UY
64.223.101.165	AS13977 Fidium	`3.12ms` from Montreal, CA
117.222.74.165	AS9829 National Internet Backbone	`11.11ms` from Mumbai, IN
2.13.101.117	AS3215 Orange S.A.	`7.19ms` from Paris, FR
98.202.183.85	AS7922 Comcast Cable Communications, LLC	`7.13ms` from Salt Lake City, US
166.88.224.5	AS18779 EGIHosting	`0.18ms` from Santa Clara, US
141.8.2.117	AS12709 Melita Limited	`5.93ms` from Swieqi, MT
153.216.166.53	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.52ms` from Tokyo, JP
111.30.177.5	AS9808 China Mobile Communications Group Co., Ltd.	`4.54ms` from Beijing, CN
8.19.76.5	AS13904 Cherryland Services Inc	`7.92ms` from Dallas, US
178.39.125.21	AS6730 Sunrise GmbH	`2.10ms` from Geneve, CH
14.175.9.245	AS45899 VNPT Corp	`2.28ms` from Hanoi, VN
94.87.9.133	AS3269 Telecom Italia S.p.A.	`5.84ms` from Milan, IT
95.154.134.5	AS43714 Production co-operative Economic-legal laboratory	`2.63ms` from Moscow, RU
31.133.126.133	AS61152 Freedom House Ltd.	`1.77ms` from Saint Petersburg, RU
4.228.122.69	AS8075 Microsoft Corporation	`0.18ms` from Sao Paulo, BR

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 143.81.14.166

traceroute to 143.81.14.166 (143.81.14.166): 9 hops max, 52 byte packets

3 [] 185.156.45.159 0.169 ms

4 *

5 *

6 [AS3356] 62.67.110.190 16.429 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

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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