156.111.128.0/18

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 156.111.128.0/18

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 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

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
105.97.227.194	AS36947 Telecom Algeria	`13.15ms` from Algiers, DZ
40.71.200.82	AS8075 Microsoft Corporation	`0.41ms` from Ashburn, US
66.46.203.98	AS6461 Zayo Bandwidth	`0.46ms` from Calgary, CA
195.211.225.162	AS50088 Fort Information Technologies Ltd	`0.64ms` from Dublin, IE
88.192.176.2	AS1759 Telia Finland Oyj	`3.34ms` from Helsinki, FI
114.99.165.50	AS4134 CHINANET BACKBONE	`7.56ms` from Huainan, CN
92.237.66.178	AS5089 Virgin Media Limited	`15.55ms` from London, GB
47.159.131.66	AS5650 Frontier Communications of America, Inc.	`10.34ms` from Los Angeles, US
217.196.8.2	AS20652 Unitron Systems & Development LTD	`4.84ms` from Manchester, GB
68.2.121.242	AS22773 Cox Communications Inc.	`5.31ms` from Phoenix, US
207.55.96.210	AS13868 Peak Internet	`4.67ms` from Portland, US
50.52.55.226	AS20055 Wholesail networks LLC	`8.21ms` from Quincy, US
23.44.247.194	AS16625 Akamai Technologies, Inc.	`0.10ms` from Seattle, US
124.220.118.66	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.45ms` from Shanghai, CN
95.55.206.242	AS12389 PJSC Rostelecom	`9.76ms` from Stockholm, SE
192.176.51.114	AS1257 Tele2 Sverige AB	`2.32ms` from Stockholm, SE
42.59.130.2	AS4837 CHINA UNICOM China169 Backbone	`7.65ms` from Tieling, CN
37.138.164.34	AS9145 EWE TEL GmbH	`7.11ms` from Amsterdam, NL
116.68.154.50	AS38566 NTTCTNET	`0.20ms` from Bangkok, TH
92.72.236.98	AS3209 Vodafone GmbH	`4.19ms` from Duesseldorf, DE
92.51.182.178	AS20773 Host Europe GmbH	`3.07ms` from Frankfurt am Main, DE
154.218.19.2	AS48031 Ivanov Vitaliy Sergeevich	`0.07ms` from Gdynia, PL
211.25.125.2	AS9930 TTNET	`18.63ms` from Kuala Lumpur, MY
76.50.225.162	AS20001 Charter Communications Inc	`4.82ms` from Los Angeles, US
65.131.190.82	AS209 CenturyLink Communications, LLC	`13.89ms` from Minneapolis, US

Traceroute

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

traceroute -a -n -q1 -m5 156.111.175.30

traceroute to 156.111.175.30 (156.111.175.30): 5 hops max, 52 byte packets

1 [AS174] 193.235.207.1 34.522 ms

2 [AS174] 154.25.2.229 2.958 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Prague, CZ

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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