156.111.64.0/18

AS395139 · NewYork-Presbyterian Hospital

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Summary

Country	United States
Domain	columbia.edu
ASN	AS395139
Parent Range	156.111.0.0/16
Registry	ARIN
ID	CPMC

WHOIS Details

NetHandle:      NET-156-111-0-0-1
OrgID:          CMC-28
Parent:         NET-156-0-0-0-0
NetName:        CPMC
NetRange:       156.111.0.0 - 156.111.255.255
NetType:        allocation
RegDate:        1992-01-06
Updated:        2021-12-14
Source:         ARIN


OrgID:          CMC-28
OrgName:        The Trustees of Columbia University in the City of New York
CanAllocate:    
Street:         630 West 168th Street
Street:         PH-18 Room 106
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10032
RegDate:        1992-01-06
Updated:        2014-06-02
OrgAdminHandle: NOC18033-ARIN
OrgTechHandle:  NOC18033-ARIN
OrgAbuseHandle: ZN80-ARIN
OrgNOCHandle:   NOC18033-ARIN
Source:         ARIN


POCHandle:      NOC18033-ARIN
IsRole:         Y
LastName:       Network Operations Center
FirstName:      
Street:         650 West 168th Street
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10032
RegDate:        2013-12-09
Updated:        2025-05-01
OfficePhone:    +1-212-305-3855
OfficePhone:    +1-212-305-9021
Mailbox:        core-mgrs@nyp.org
Source:         ARIN


POCHandle:      ZN80-ARIN
IsRole:         Y
LastName:       New York Presbyterian Hospital
FirstName:      
Street:         525 East 68th Street
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10065
RegDate:        2001-09-10
Updated:        2026-03-05
OfficePhone:    +1-212-305-3855
Mailbox:        core-mgrs@nyp.org
Mailbox:        spam@nyp.org
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 156.111.64.0/18

Range	ASN	Company	Num of IPs
156.111.0.0/16	AS395139	The Trustees of Columbia University in the City of New York	65,536

Nearby Ranges

BGP prefixes that overlap with 156.111.0.0/16

Range	ASN	Company	Num of IPs
156.111.0.0/16	AS395139	The Trustees of Columbia University in the City of New York	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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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
80.113.14.162	AS33915 Vodafone Libertel B.V.	`1.28ms` from Amsterdam, NL
194.229.74.2	AS702 Verizon Business	`1.90ms` from Amsterdam, NL
208.101.142.178	AS7029 Windstream Communications LLC	`5.95ms` from Atlanta, US
222.153.225.34	AS4771 Spark New Zealand Trading Ltd.	`3.40ms` from Auckland, NZ
35.91.79.34	AS16509 Amazon.com, Inc.	`0.59ms` from Boardman, US
179.36.100.34	AS22927 Telefonica de Argentina	`16.81ms` from Buenos Aires, AR
103.224.130.2	AS9790 Two Degrees Networks Limited	`1.52ms` from Christchurch, NZ
96.5.102.66	AS11686 Zayo Bandwidth	`18.72ms` from Cincinnati, US
173.90.156.50	AS10796 Charter Communications Inc	`12.61ms` from Cleveland, US
91.16.44.98	AS3320 Deutsche Telekom AG	`2.31ms` from Frankfurt am Main, DE
45.31.118.50	AS7018 AT&T Enterprises, LLC	`4.69ms` from Houston, US
46.38.173.2	AS15395 Rackspace Ltd.	`1.36ms` from London, GB
209.151.127.2	AS398032 Cherokee Communications LLC	`0.10ms` from Los Angeles, US
217.117.246.34	AS47954 Alpha Net Telecom Ltd	`0.78ms` from Moscow, RU
174.113.21.66	AS812 Rogers Communications Canada Inc.	`4.32ms` from Ottawa, CA
76.178.128.2	AS10838 Charter Communications Inc	`16.22ms` from Seattle, US
8.53.138.130	AS3356 Level 3 Parent, LLC	`9.74ms` from Seattle, US
121.184.97.2	AS4766 Korea Telecom	`2.98ms` from Seoul, KR
78.134.241.226	AS35549 A1 Hrvatska d.o.o.	`0.60ms` from Zagreb, HR
169.60.97.98	AS36351 IBM Cloud	`0.45ms` from Ashburn, US
69.167.211.162	AS53435 JACKSON ENERGY AUTHORITY	`8.21ms` from Atlanta, US
64.96.52.2	AS62831 Tucows.com Co.	`0.50ms` from Atlanta, US
35.92.57.130	AS16509 Amazon.com, Inc.	`0.53ms` from Boardman, US
185.29.4.66	AS201205 Fluvius System Operator CV	`3.43ms` from Brussels, BE
209.59.241.130	AS46887 Crown Castle Fiber LLC	`11.00ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f3 -m7 156.111.77.147

traceroute to 156.111.77.147 (156.111.77.147): 7 hops max, 52 byte packets

3 [AS3356] 4.69.219.114 117.741 ms

4 [AS3356] 4.4.166.226 118.245 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Helsinki, FI

On April 13th 2026

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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