166.5.4.0/22

AS4155 · USDA

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Summary

Country	United States
Domain	usda.gov
ASN	AS4155
Parent Range	166.4.0.0/15
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

Overlapping Ranges

BGP prefixes that contain 166.5.4.0/22

Range	ASN	Company	Num of IPs
166.4.0.0/15	AS4152	USDA	131,072

Nearby Ranges

BGP prefixes that overlap with 166.5.0.0/16

Range	ASN	Company	Num of IPs
166.4.0.0/15	AS4152	USDA	131,072

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
58.174.96.214	AS1221 Telstra Limited	9.37ms from Adelaide, AU
64.34.181.198	AS13768 Aptum Technologies	0.60ms from Ashburn, US
76.167.209.150	AS20001 Charter Communications Inc	7.38ms from Los Angeles, US
50.17.201.214	AS14618 Amazon.com, Inc.	0.22ms from Reston, US
121.116.83.22	AS4713 NTT Communications Corporation	3.61ms from Tokyo, JP
183.230.49.230	AS9808 China Mobile Communications Group Co., Ltd.	3.42ms from Chongqing, CN
218.250.37.22	AS4760 HKT Limited	8.15ms from Hong Kong, HK
89.158.37.198	AS15557 Societe Francaise Du Radiotelephone - SFR SA	11.79ms from Paris, FR
90.127.250.70	AS3215 Orange S.A.	1.44ms from Paris, FR
138.68.16.230	AS14061 DigitalOcean, LLC	0.20ms from San Jose, US
121.119.18.54	AS4713 NTT Communications Corporation	12.84ms from Tokyo, JP
23.218.131.230	AS16625 Akamai Technologies, Inc.	0.18ms from Ashburn, US
221.202.209.70	AS4837 CHINA UNICOM China169 Backbone	10.43ms from Liaoyang, CN
223.100.53.246	AS56044 China Mobile communications corporation	11.13ms from Liaoyang, CN
203.39.179.6	AS1221 Telstra Limited	5.80ms from Melbourne, AU
54.234.83.246	AS14618 Amazon.com, Inc.	0.23ms from Reston, US
12.251.158.6	AS7018 AT&T Enterprises, LLC	11.60ms from Atlanta, US
203.97.18.134	AS4768 One New Zealand Group Limited	0.48ms from Auckland, NZ
98.110.158.6	AS701 Verizon Business	2.08ms from Boston, US
155.198.203.6	AS786 Jisc Services Limited	1.38ms from London, GB
181.15.107.54	AS7303 Telecom Argentina S.A.	2.19ms from Buenos Aires, AR
108.84.8.182	AS7018 AT&T Enterprises, LLC	7.07ms from Dallas, US
150.230.159.198	AS31898 Oracle Corporation	0.46ms from Frankfurt am Main, DE
76.220.79.22	AS7018 AT&T Enterprises, LLC	3.48ms from San Jose, US
191.118.137.6	AS27995 CLARO CHILE S.A.	18.25ms from Santiago, CL

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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