216.81.88.0/21

AS15147 · DEPARTMENT OF HOMELAND SECURITY

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Summary

Country	United States
Domain	dhs.gov
ASN	AS15147
Registry	ARIN
ID	ONENET

WHOIS Details

NetHandle:      NET-216-81-80-0-1
OrgID:          DHS-37
Parent:         NET-216-0-0-0-0
NetName:        ONENET
NetRange:       216.81.80.0 - 216.81.95.255
NetType:        allocation
RegDate:        2008-05-07
Updated:        2021-12-14
Source:         ARIN


OrgID:          DHS-37
OrgName:        DEPARTMENT OF HOMELAND SECURITY
CanAllocate:    
Street:         Department of Homeland Security
Street:         300 7th St SW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20024
RegDate:        2005-12-05
Updated:        2024-11-25
OrgAdminHandle: DHSNO2-ARIN
OrgTechHandle:  DHSNO2-ARIN
OrgAbuseHandle: DHSNO2-ARIN
OrgNOCHandle:   DHSNO2-ARIN
Source:         ARIN


POCHandle:      DHSNO2-ARIN
IsRole:         Y
LastName:       DHS-NOC
FirstName:      
Street:         701 D Streets NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     22201
RegDate:        2015-02-02
Updated:        2025-04-11
OfficePhone:    +1-877-347-1638
Mailbox:        DHSNOSCInfrastructureNetworkManagementTools@hq.dhs.gov
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 216.81.0.0/16

Range	ASN	Company	Num of IPs
216.81.128.0/17	AS11320	LightEdge Solutions	32,768
216.81.128.0/17	AS395912	LightEdge Solutions	32,768
216.81.96.0/19	AS11240	Alma Telephone	8,192
216.81.0.0/19	AS7122	Bell Canada	8,192
216.81.64.0/20	AS397187	NHN Global, Inc.	4,096
216.81.60.0/24	AS21513	EPIK NETWORKS MONTREAL	256

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

27 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
216.81.88.169	AS15147 DEPARTMENT OF HOMELAND SECURITY	`4.93ms` from San Jose, US
216.81.91.177	AS15147 DEPARTMENT OF HOMELAND SECURITY	`4.99ms` from San Jose, US
216.81.90.97	AS15147 DEPARTMENT OF HOMELAND SECURITY	`4.97ms` from San Jose, US
216.81.89.209	AS15147 DEPARTMENT OF HOMELAND SECURITY	`4.88ms` from San Jose, US
216.81.93.193	AS15147 DEPARTMENT OF HOMELAND SECURITY	`4.99ms` from San Jose, US

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
76.123.40.37	AS7922 Comcast Cable Communications, LLC	`10.21ms` from Ashburn, US
50.222.116.133	AS7922 Comcast Cable Communications, LLC	`4.67ms` from Ashburn, US
123.19.26.213	AS45899 VNPT Corp	`7.39ms` from Da Nang, VN
103.171.233.69	AS146946 TS Network	`3.60ms` from Dhaka, BD
113.172.125.21	AS45899 VNPT Corp	`1.78ms` from Ho Chi Minh City, VN
123.178.25.245	AS4134 CHINANET-BACKBONE	`1.48ms` from Hohhot, CN
156.242.172.181	AS132839 POWER LINE DATACENTER	`1.01ms` from Hong Kong, HK
45.26.81.229	AS7018 AT&T Enterprises, LLC	`9.34ms` from Kansas City, US
94.196.219.197	AS206067 Hutchison 3G UK Limited	`10.13ms` from London, GB
90.199.111.101	AS5607 Sky UK Limited	`5.01ms` from London, GB
172.233.150.181	AS63949 Akamai Connected Cloud	`0.22ms` from Los Angeles, US
64.175.74.53	AS7018 AT&T Enterprises, LLC	`6.68ms` from Miami, US
91.166.54.165	AS12322 Free SAS	`1.83ms` from Paris, FR
82.144.159.21	AS49101 CEZNET s.r.o.	`7.75ms` from Prague, CZ
123.235.4.69	AS4837 CHINA UNICOM China169 Backbone	`0.46ms` from Qingdao, CN
79.171.11.85	AS20632 PJSC MegaFon	`9.87ms` from Saint Petersburg, RU
3.1.126.181	AS16509 Amazon.com, Inc.	`0.12ms` from Singapore, SG
111.254.9.197	AS3462 Data Communication Business Group	`4.00ms` from Taichung, TW
80.106.21.149	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`5.54ms` from Athens, GR
85.113.2.181	AS12997 OJSC Kyrgyztelecom	`0.28ms` from Bishkek, KG
50.80.62.69	AS30036 Mediacom Communications Corp	`6.95ms` from Chicago, US
47.162.248.149	AS5650 Frontier Communications of America, Inc.	`13.29ms` from Dallas, US
43.228.223.37	AS133706 Gigantic Internet Services Pvt. Ltd.	`6.29ms` from Delhi, IN
79.245.247.5	AS3320 Deutsche Telekom AG	`2.99ms` from Duesseldorf, DE
93.205.209.149	AS3320 Deutsche Telekom AG	`2.03ms` from Duesseldorf, 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 216.81.92.44

traceroute to 216.81.92.44 (216.81.92.44): 7 hops max, 52 byte packets

4 [AS21928] 100.199.0.93 0.075 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Tieling, CN

On January 9th 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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