166.6.28.0/24

AS4155 · USDA

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Summary

Country	United States
Domain	usda.gov
ASN	AS4155
Registry	ARIN
ID	NETBLK-USFS

WHOIS Details

NetHandle:      NET-166-2-0-0-1
OrgID:          USDA-3-Z
Parent:         NET-166-0-0-0-0
NetName:        NETBLK-USFS
NetRange:       166.2.0.0 - 166.7.255.255
NetType:        allocation
RegDate:        1993-11-03
Updated:        2024-04-25
Source:         ARIN


OrgID:          USDA-3-Z
OrgName:        USDA
CanAllocate:    
Street:         Suite 133, Building A
Street:         2150 Centre Ave
City:           Fort Collins
State/Prov:     CO
Country:        US
PostalCode:     80526
RegDate:        2024-04-10
Updated:        2024-04-10
OrgAdminHandle: ZU20-ARIN
OrgTechHandle:  ZU20-ARIN
OrgAbuseHandle: SECUR27-ARIN
OrgAbuseHandle: ZU20-ARIN
Source:         ARIN


POCHandle:      SECUR27-ARIN
IsRole:         Y
LastName:       Security Abuse
FirstName:      
Street:         2150 Centre Ave. Building A
City:           Fort Collins
State/Prov:     CO
Country:        US
PostalCode:     80526
RegDate:        2008-10-08
Updated:        2018-11-29
OfficePhone:    +1-866-873-2926
Mailbox:        abuse@usda.gov
Source:         ARIN


POCHandle:      ZU20-ARIN
IsRole:         Y
LastName:       USDA - Office of the ChiefInformation Officer
FirstName:      
Street:         2150 Centre Ave. Building A Suite 133
City:           Fort Collins
State/Prov:     CO
Country:        US
PostalCode:     80526
RegDate:        2000-06-16
Updated:        2025-06-27
OfficePhone:    +1-866-873-2926
Mailbox:        duty.officer@usda.gov
Source:         ARIN

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

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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
83.233.115.8	AS29518 Bredband2 AB	`2.28ms` from Copenhagen, DK
47.149.172.216	AS5650 Frontier Communications of America, Inc.	`2.10ms` from Los Angeles, US
87.9.41.152	AS3269 Telecom Italia S.p.A.	`4.43ms` from Milan, IT
120.209.216.24	AS9808 China Mobile Communications Group Co., Ltd.	`8.98ms` from Nanjing, CN
193.218.151.72	AS38923 Pawel Kowalski BGCOM	`6.83ms` from Poznan, PL
32.210.253.24	AS46690 Southern New England Telephone Company and SNET America, Inc.	`7.87ms` from Secaucus, US
39.116.174.120	AS9318 SK Broadband Co Ltd	`5.58ms` from Seoul, KR
180.171.245.8	AS4812 China Telecom (Group)	`6.97ms` from Shanghai, CN
121.109.162.232	AS2516 KDDI CORPORATION	`11.19ms` from Tokyo, JP
180.21.51.72	AS4713 NTT Communications Corporation	`3.33ms` from Tokyo, JP
73.12.19.200	AS7922 Comcast Cable Communications, LLC	`9.26ms` from Washington, US
125.40.18.216	AS4837 CHINA UNICOM China169 Backbone	`1.35ms` from Zhengzhou, CN
73.154.230.72	AS7922 Comcast Cable Communications, LLC	`10.72ms` from Ashburn, US
73.20.159.72	AS7922 Comcast Cable Communications, LLC	`13.98ms` from Atlanta, US
52.131.30.136	AS58593 Shanghai Blue Cloud Technology Co.,Ltd	`6.33ms` from Beijing, CN
71.71.167.120	AS11426 Charter Communications Inc	`5.68ms` from Charlotte, US
184.25.203.152	AS16625 Akamai Technologies, Inc.	`0.20ms` from Chennai, IN
66.61.55.232	AS10796 Charter Communications Inc	`11.92ms` from Flint, US
84.119.13.8	AS3209 Vodafone GmbH	`12.95ms` from Frankfurt am Main, DE
189.187.192.56	AS8151 UNINET	`5.85ms` from Guadalajara, MX
112.92.42.8	AS17816 China Unicom IP network China169 Guangdong province	`4.90ms` from Guangzhou, CN
183.56.147.88	AS4134 CHINANET-BACKBONE	`2.08ms` from Guangzhou, CN
181.132.239.232	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`8.82ms` from Medellin, CO
142.217.87.8	AS35911 Telebec	`13.36ms` from Montreal, CA
46.174.11.248	AS200524 OOO NETPLUS	`2.51ms` from Moscow, RU

Traceroute

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

traceroute -a -n -q1 -m10 166.6.28.61

traceroute to 166.6.28.61 (166.6.28.61): 10 hops max, 52 byte packets

1 [AS15169] 142.251.49.8 126.681 ms

2 *

3 *

4 [AS3356] 4.68.110.166 148.381 ms

5 [AS209] 67.14.10.94 153.085 ms

6 [AS209] 205.171.13.10 151.474 ms

7 [AS209] 65.144.75.230 150.991 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Chang-hua, TW

On August 22nd 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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