165.112.0.0/21

AS3527 · National Institutes of Health

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	United States
Domain	nih.gov
ASN	AS3527
Parent Range	165.112.0.0/16
Registry	ARIN
ID	NIHNET-4-B

WHOIS Details

NetHandle:      NET-165-112-0-0-1
OrgID:          NIH-Z
Parent:         NET-165-0-0-0-0
NetName:        NIHNET-4-B
NetRange:       165.112.0.0 - 165.112.255.255
NetType:        allocation
RegDate:        1993-05-19
Updated:        2022-10-28
Source:         ARIN


OrgID:          NIH-Z
OrgName:        National Institutes of Health
CanAllocate:    
Street:         9000 Rockville Pike
Street:         MSC 4805
City:           Bethesda
State/Prov:     MD
Country:        US
PostalCode:     20892-4805
RegDate:        2022-10-09
Updated:        2025-06-05
OrgAdminHandle: NIHAD-ARIN
OrgTechHandle:  NIHTE-ARIN
OrgAbuseHandle: NIHTE-ARIN
OrgNOCHandle:   NIHAD-ARIN
OrgRoutingHandle:   NIHTE-ARIN
OrgDNSHandle:   NIHAD-ARIN
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:        citnsarin@mail.nih.gov
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:        citnsarin@mail.nih.gov
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 165.112.0.0/21

Range	ASN	Company	Num of IPs
165.112.0.0/16	AS30387	National Institutes of Health	65,536
165.112.0.0/16	AS3527	National Institutes of Health	65,536
165.112.0.0/16	AS393689	National Institutes of Health	65,536

Nearby Ranges

BGP prefixes that overlap with 165.112.0.0/16

Range	ASN	Company	Num of IPs
165.112.0.0/16	AS30387	National Institutes of Health	65,536
165.112.0.0/16	AS3527	National Institutes of Health	65,536
165.112.0.0/16	AS393689	National Institutes of Health	65,536

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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

IP Address	ASN	Details
165.112.7.19	AS393689 National Library of Medicine	`0.61ms` from Ashburn, US
165.112.4.248	AS30387 National Institutes of Health	`5.53ms` from Ashburn, 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
106.222.65.165	AS45609 Bharti Airtel Ltd. AS for GPRS Service	`1.81ms` from Ahmedabad, IN
89.218.123.133	AS9198 JSC Kazakhtelecom	`14.28ms` from Almaty, KZ
35.245.202.101	AS396982 Google LLC	`0.12ms` from Ashburn, US
60.24.58.21	AS4837 CHINA UNICOM China169 Backbone	`4.71ms` from Beijing, CN
54.188.157.69	AS16509 Amazon.com, Inc.	`0.19ms` from Boardman, US
198.124.216.165	AS291 ESnet	`0.27ms` from Chicago, US
104.245.54.85	AS63251 Metro Wireless International, Inc.	`1.31ms` from Detroit, US
170.72.21.5	AS13445 Cisco Webex LLC	`0.58ms` from Frankfurt am Main, DE
89.214.131.229	AS42863 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	`11.06ms` from Lisbon, PT
85.20.143.5	AS8968 BT Italia S.p.A.	`5.90ms` from Milan, IT
27.54.183.69	AS45117 Ishan's Network	`9.54ms` from Mumbai, IN
37.157.56.213	AS41291 Linkt SAS	`11.24ms` from Paris, FR
54.226.155.213	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
201.31.190.21	AS4230 CLARO S.A.	`0.70ms` from Sao Paulo, BR
158.247.207.181	AS20473 The Constant Company, LLC	`0.17ms` from Seoul, KR
78.132.27.181	AS8412 T-Mobile Austria GmbH	`8.02ms` from Vienna, AT
108.199.155.21	AS7018 AT&T Enterprises, LLC	`12.31ms` from Atlanta, US
39.156.139.69	AS9808 China Mobile Communications Group Co., Ltd.	`2.16ms` from Beijing, CN
125.18.113.117	AS9498 BHARTI Airtel Ltd.	`0.59ms` from Bengaluru, IN
52.24.205.117	AS16509 Amazon.com, Inc.	`0.11ms` from Boardman, US
187.217.117.37	AS8151 UNINET	`0.59ms` from Cancún, MX
18.160.215.5	AS16509 Amazon.com, Inc.	`0.83ms` from Chicago, US
85.231.72.85	AS8434 Telenor Sverige AB	`2.10ms` from Copenhagen, DK
47.67.197.197	AS3209 Vodafone GmbH	`18.38ms` from Frankfurt am Main, DE
217.227.227.37	AS3320 Deutsche Telekom AG	`8.29ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 -m6 165.112.6.181

traceroute to 165.112.6.181 (165.112.6.181): 6 hops max, 52 byte packets

1 [AS15169] 108.170.233.255 102.989 ms

2 *

3 [AS11537] 163.253.1.144 105.757 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Hamina, FI

On October 30th 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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales