165.112.0.0/20

AS3527 · National Institutes of Health

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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 165.112.0.0/20

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 are 2 domain names hosted across 2 IP addresses 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

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Pingable IPs

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

IP Address	ASN	Details
165.112.7.23	AS393689 National Library of Medicine	`0.75ms` from Reston, US
165.112.11.236	AS393689 National Library of Medicine	`0.81ms` from Ashburn, US
165.112.9.230	AS393689 National Library of Medicine	`0.32ms` from Ashburn, US
165.112.15.167	AS30387 National Institutes of Health	`2.85ms` from Ashburn, US
165.112.4.248	AS30387 National Institutes of Health	`5.47ms` 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
95.95.36.36	AS2860 NOS COMUNICACOES, S.A.	`9.21ms` from Lisbon, PT
51.6.76.4	AS6871 Plusnet	`1.54ms` from London, GB
104.152.151.100	AS2914 NTT America, Inc.	`0.72ms` from Los Angeles, US
126.219.113.164	AS17676 SoftBank Corp.	`3.59ms` from Osaka, JP
68.1.173.180	AS22773 Cox Communications Inc.	`7.71ms` from Providence, US
177.218.103.244	AS26615 TIM S/A	`12.60ms` from Rio de Janeiro, BR
189.113.161.84	AS28216 Host One Servicos de Internet Ltda	`1.87ms` from Sao Paulo, BR
3.38.190.36	AS16509 Amazon.com, Inc.	`1.76ms` from Seoul, KR
119.74.126.68	AS9506 Singtel Fibre Broadband	`1.07ms` from Singapore, SG
152.32.182.116	AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED	`0.51ms` from Ashburn, US
87.238.255.52	AS198614 HWJ Invest 2016 ApS	`0.54ms` from Copenhagen, DK
137.226.199.20	AS47610 RWTH Aachen University	`4.21ms` from Frankfurt am Main, DE
86.23.89.4	AS5089 Virgin Media Limited	`10.93ms` from London, GB
47.41.213.36	AS20115 Charter Communications LLC	`7.46ms` from Los Angeles, US
71.13.220.68	AS20115 Charter Communications LLC	`16.46ms` from Minneapolis, US
58.148.167.84	AS17858 LG POWERCOMM	`2.93ms` from Seoul, KR
220.123.86.228	AS4766 Korea Telecom	`4.41ms` from Seoul, KR
221.168.140.68	AS4766 Korea Telecom	`1.47ms` from Seoul, KR
123.53.37.244	AS4134 CHINANET-BACKBONE	`4.77ms` from Zhengzhou, CN
80.61.100.116	AS1136 KPN B.V.	`1.25ms` from Amsterdam, NL
34.48.232.228	AS396982 Google LLC	`0.13ms` from Ashburn, US
45.30.38.164	AS7018 AT&T Enterprises, LLC	`12.27ms` from Atlanta, US
198.145.231.68	AS9009 M247 Europe SRL	`0.27ms` from Bucharest, RO
106.80.128.148	AS4134 CHINANET-BACKBONE	`3.09ms` from Chongqing, CN
1.158.190.148	AS1221 Telstra Limited	`14.27ms` from Melbourne, AU

Traceroute

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

traceroute -a -n -q1 -f2 165.112.9.226

traceroute to 165.112.9.226 (165.112.9.226): 64 hops max, 52 byte packets

2 [AS12129] 216.234.109.25 2.374 ms

3 [AS12129] 67.214.125.195 2.553 ms

4 [AS3356] 4.7.88.9 2.258 ms

5 *

6 [AS3356] 4.16.249.178 13.504 ms

7 [AS393689] 165.112.9.226 19.334 ms

Measurement taken from

IPinfo ProbeNet in Flint, US

On October 17th 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.

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