138.5.248.0/24

AS209242 · Cloudflare London, LLC

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Summary

Country	United States
Domain	downstate.edu
ASN	AS209242
Registry	ARIN
ID	SNYBKLYN

WHOIS Details

NetHandle:      NET-138-5-0-0-1
OrgID:          SHSC-Z
Parent:         NET-138-0-0-0-0
NetName:        SNYBKLYN
NetRange:       138.5.0.0 - 138.5.255.255
NetType:        allocation
RegDate:        1992-12-14
Updated:        2023-06-30
TechHandle:     JS3062-ARIN
Source:         ARIN


OrgID:          SHSC-Z
OrgName:        State University of New York Downstate Health Sciences University
CanAllocate:    
Street:         450 Clarkson Avenue
City:           Brooklyn
State/Prov:     NY
Country:        US
PostalCode:     11203
RegDate:        2023-06-30
Updated:        2023-06-30
OrgAdminHandle: JWE31-ARIN
OrgTechHandle:  GUPTA137-ARIN
OrgTechHandle:  JWE31-ARIN
OrgAbuseHandle: JWE31-ARIN
Source:         ARIN


POCHandle:      GUPTA137-ARIN
IsRole:         N
LastName:       Gupta
FirstName:      Prabhat
Street:         450 clarkson ave
City:           Brooklyn
State/Prov:     NY
Country:        US
PostalCode:     11203
RegDate:        2023-06-15
Updated:        2025-06-16
OfficePhone:    +1-718-270-4750
Mailbox:        prabhat.gupta@downstate.edu
Source:         ARIN


POCHandle:      JS3062-ARIN
IsRole:         N
LastName:       Stern
FirstName:      Joel
Street:         450 Clarkson Avenue
City:           Brooklyn
State/Prov:     NY
Country:        US
PostalCode:     11203
RegDate:        2001-09-07
Updated:        2013-12-03
OfficePhone:    +1-718-270-4093
Mailbox:        joel.stern@downstate.edu
Source:         ARIN


POCHandle:      JWE31-ARIN
IsRole:         N
LastName:       Wei
FirstName:      Jason
Street:         450 Clarkson Avenue
City:           Brooklyn
State/Prov:     NY
Country:        US
PostalCode:     11203
RegDate:        2004-01-14
Updated:        2025-11-13
OfficePhone:    +1-718-270-1994
MobilePhone:    +1-646-372-7786
Mailbox:        jason.wei@downstate.edu
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 138.5.0.0/16

No nearby ranges found.

Hosted domains

There are 2 domain names hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
138.5.248.46	downstate.edu	2

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

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

IP Address	ASN	Details
138.5.248.43	AS209242 Cloudflare London, LLC	`4.01ms` from New York City, 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
34.116.37.8	AS396982 Google LLC	`0.25ms` from Chang-hua, TW
52.127.112.24	AS8070 Microsoft Corporation	`14.98ms` from Des Moines, US
65.78.102.40	AS6079 RCN	`9.28ms` from New York City, US
65.130.188.152	AS209 CenturyLink Communications, LLC	`1.98ms` from Salt Lake City, US
67.242.93.8	AS11351 Charter Communications Inc	`13.15ms` from Secaucus, US
218.145.160.232	AS4766 Korea Telecom	`0.78ms` from Seoul, KR
37.199.110.184	AS1257 Tele2 Sverige AB	`0.62ms` from Stockholm, SE
183.177.142.248	AS2519 ARTERIA Networks Corporation	`2.51ms` from Tokyo, JP
130.59.126.40	AS559 SWITCH	`0.37ms` from Zuerich, CH
20.105.161.184	AS8075 Microsoft Corporation	`0.28ms` from Amsterdam, NL
50.127.207.136	AS5650 Frontier Communications of America, Inc.	`12.35ms` from Ashburn, US
68.55.241.136	AS7922 Comcast Cable Communications, LLC	`7.17ms` from Flint, US
45.112.243.40	AS23860 Alliance Broadband Services Pvt. Ltd.	`0.21ms` from Kolkata, IN
34.195.125.136	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
87.26.137.200	AS3269 Telecom Italia S.p.A.	`2.39ms` from Rome, IT
46.187.38.104	AS12714 PJSC MegaFon	`10.71ms` from Samara, RU
182.212.0.56	AS17858 LG POWERCOMM	`1.85ms` from Seoul, KR
36.224.67.8	AS3462 Data Communication Business Group	`1.60ms` from Taipei, TW
13.113.225.24	AS16509 Amazon.com, Inc.	`0.18ms` from Tokyo, JP
73.117.9.216	AS7922 Comcast Cable Communications, LLC	`12.71ms` from Ashburn, US
44.246.29.216	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
136.183.9.232	AS19933 Buffalo State College	`1.03ms` from Buffalo, US
166.78.184.232	AS33070 Rackspace Hosting	`0.92ms` from Dallas, US
20.40.200.40	AS8075 Microsoft Corporation	`0.17ms` from Des Moines, US
72.62.55.136	AS47583 Hostinger International Limited	`0.38ms` from Frankfurt am Main, DE

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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