156.145.64.0/18

AS395139 · NewYork-Presbyterian Hospital

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Summary

Country	United States
Domain	columbia.edu
ASN	AS395139
Parent Range	156.145.0.0/16
Registry	ARIN
ID	CPMC2

WHOIS Details

NetHandle:      NET-156-145-0-0-1
OrgID:          CMC-28
Parent:         NET-156-0-0-0-0
NetName:        CPMC2
NetRange:       156.145.0.0 - 156.145.255.255
NetType:        allocation
RegDate:        1992-03-25
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:      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:        2025-03-05
OfficePhone:    +1-212-305-3855
Mailbox:        [email protected]
Mailbox:        [email protected]
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:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 156.145.64.0/18

Range	ASN	Company	Num of IPs
156.145.0.0/16	AS395139	The Trustees of Columbia University in the City of New York	65,536

Nearby Ranges

BGP prefixes that overlap with 156.145.0.0/16

Range	ASN	Company	Num of IPs
156.145.0.0/16	AS395139	The Trustees of Columbia University in the City of New York	65,536

Hosted domains

There are 12 domain names hosted across 7 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
156.145.92.19	columbiafertilityportal.org	1

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
54.242.21.66	AS14618 Amazon.com, Inc.	`0.62ms` from Ashburn, US
24.128.50.226	AS7922 Comcast Cable Communications, LLC	`1.59ms` from Denver, US
189.143.192.194	AS8151 UNINET	`0.95ms` from Guadalajara, MX
23.231.156.98	AS132839 POWER LINE DATACENTER	`0.99ms` from Hong Kong, HK
38.152.191.242	AS174 Cogent Communications, LLC	`0.40ms` from Los Angeles, US
89.45.247.242	AS29119 AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	`0.22ms` from Madrid, ES
94.32.231.226	AS8612 Tiscali Italia S.P.A.	`1.14ms` from Milan, IT
3.110.94.146	AS16509 Amazon.com, Inc.	`0.17ms` from Mumbai, IN
96.245.217.210	AS701 Verizon Business	`1.88ms` from Philadelphia, US
64.164.98.2	AS7018 AT&T Enterprises, LLC	`3.24ms` from San Jose, US
112.153.37.146	AS17858 LG POWERCOMM	`1.86ms` from Seoul, KR
121.186.164.2	AS4766 Korea Telecom	`4.82ms` from Seoul, KR
8.133.198.114	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.45ms` from Shanghai, CN
91.211.234.162	AS13172 Electroenergien Sistemen Operator EAD	`0.81ms` from Sofia, BG
210.71.181.66	AS3462 Data Communication Business Group	`1.00ms` from Taipei, TW
153.174.146.130	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.77ms` from Tokyo, JP
77.35.21.50	AS12389 PJSC Rostelecom	`1.45ms` from Vladivostok, RU
37.6.174.66	AS25472 Nova Telecommunications & Media Single Member S.A	`10.30ms` from Volos, GR
89.107.157.50	AS39869 Livenet Sp. z o.o.	`3.79ms` from Wrocław, PL
88.206.75.194	AS8369 Intersvyaz-2 JSC	`3.34ms` from Yekaterinburg, RU
20.229.10.194	AS8075 Microsoft Corporation	`0.24ms` from Amsterdam, NL
34.198.247.114	AS14618 Amazon.com, Inc.	`0.57ms` from Ashburn, US
67.0.5.66	AS209 CenturyLink Communications, LLC	`10.24ms` from Denver, US
217.110.39.2	AS8220 COLT Technology Services Group Limited	`0.79ms` from Frankfurt am Main, DE
14.177.249.178	AS45899 VNPT Corp	`0.95ms` from Hanoi, VN

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 156.145.78.99

traceroute to 156.145.78.99 (156.145.78.99): 7 hops max, 52 byte packets

3 [AS3356] 4.69.219.114 24.725 ms

4 [AS3356] 4.4.166.226 25.178 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Monticello, US

On December 28th 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.

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