156.40.94.0/24

AS19050 · U.S. Department of Health & Human Services

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Summary

Country	United States
Domain	hhs.gov
ASN	AS19050
Registry	ARIN
ID	UDHHS-4

WHOIS Details

NetHandle:      NET-156-40-93-0-1
OrgID:          UDHHS-4
Parent:         NET-156-0-0-0-0
NetName:        UDHHS-4
NetRange:       156.40.93.0 - 156.40.95.255
NetType:        allocation
RegDate:        1991-12-09
Updated:        2021-12-14
Source:         ARIN


OrgID:          UDHHS-4
OrgName:        U.S. Department of Health & Human Services
CanAllocate:    
Street:         200 Independence Avenue, S.W.
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20201
RegDate:        2012-01-17
Updated:        2025-06-05
OrgAdminHandle: NIHAD-ARIN
OrgTechHandle:  NIHTE-ARIN
OrgAbuseHandle: NIHAD-ARIN
OrgNOCHandle:   NIHTE-ARIN
OrgRoutingHandle:   NIHTE-ARIN
OrgDNSHandle:   NIHAD-ARIN
Source:         ARIN


POCHandle:      NIHAD-ARIN
IsRole:         Y
LastName:       NIHadm
FirstName:      
Street:         6555 Rock Sping DrRM 3se21m MSC 4805
City:           Bethesda
State/Prov:     MD
Country:        US
PostalCode:     20892-4805
RegDate:        2020-08-11
Updated:        2025-04-08
OfficePhone:    +1-301-402-3141
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      NIHTE-ARIN
IsRole:         Y
LastName:       NIHtechs
FirstName:      
Street:         6555 Rock Sping Dr
Street:         RM 3se21m MSC 4805
City:           Bethesda
State/Prov:     MD
Country:        US
PostalCode:     20892-4805
RegDate:        2020-06-24
Updated:        2025-04-08
OfficePhone:    +1-301-402-3141
Mailbox:        [email protected]
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 156.40.0.0/16

Range	ASN	Company	Num of IPs
156.40.197.0/24	AS19050	U.S. Department of Health & Human Services	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

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
60.6.254.24	AS4837 CHINA UNICOM China169 Backbone	`8.76ms` from Beijing, CN
12.67.53.152	AS7018 AT&T Enterprises, LLC	`1.52ms` from Chicago, US
99.132.180.8	AS7018 AT&T Enterprises, LLC	`8.27ms` from Chicago, US
38.126.37.8	AS174 Cogent Communications, LLC	`0.38ms` from Los Angeles, US
87.11.48.248	AS3269 Telecom Italia S.p.A.	`3.92ms` from Milan, IT
67.85.223.104	AS6128 Cablevision Systems Corp.	`7.22ms` from New York City, US
60.152.182.200	AS17676 SoftBank Corp.	`3.52ms` from Osaka, JP
123.230.40.136	AS7522 STNet, Incorporated	`3.88ms` from Osaka, JP
187.222.128.72	AS8151 UNINET	`4.92ms` from Santiago de Queretaro, MX
174.7.183.40	AS6327 Shaw Communications	`11.91ms` from Seattle, US
119.223.70.72	AS4766 Korea Telecom	`5.07ms` from Seoul, KR
95.55.4.200	AS12389 PJSC Rostelecom	`10.11ms` from Stockholm, SE
219.98.189.8	AS2527 Sony Network Communications Inc.	`2.08ms` from Tokyo, JP
181.122.77.24	AS23201 Telecel S.A.	`7.30ms` from Asuncion, PY
60.234.167.88	AS140220 Sky Network Television Ltd	`1.74ms` from Auckland, NZ
110.242.69.88	AS4837 CHINA UNICOM China169 Backbone	`8.90ms` from Beijing, CN
79.215.3.152	AS3320 Deutsche Telekom AG	`2.48ms` from Berlin, DE
41.39.154.40	AS8452 TE-AS	`4.46ms` from Cairo, EG
41.239.126.8	AS8452 TE-AS	`7.62ms` from Cairo, EG
3.135.8.168	AS16509 Amazon.com, Inc.	`0.11ms` from Columbus, US
86.133.173.72	AS2856 British Telecommunications PLC	`6.04ms` from London, GB
82.43.161.248	AS5089 Virgin Media Limited	`3.70ms` from London, GB
88.9.181.56	AS3352 TELEFONICA DE ESPANA S.A.U.	`10.31ms` from Madrid, ES
181.141.213.24	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`7.79ms` from Medellin, CO
18.102.104.40	AS16509 Amazon.com, Inc.	`0.15ms` from Milan, IT

Traceroute

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

traceroute -a -n -q1 -m5 156.40.94.52

traceroute to 156.40.94.52 (156.40.94.52): 5 hops max, 52 byte packets

1 [AS31898] 140.91.238.3 0.067 ms

2 [AS3356] 217.163.123.202 0.463 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Cardiff, GB

On December 20th 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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