165.251.16.0/21

AS27495 · Open Text Corporation

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Summary

Country	United States
Domain	easylink.com
ASN	AS27495
Registry	ARIN
ID	EASYLINK-NET-165-251-0-0

WHOIS Details

NetHandle:      NET-165-251-0-0-1
OrgID:          ESC-85
Parent:         NET-165-0-0-0-0
NetName:        EASYLINK-NET-165-251-0-0
NetRange:       165.251.0.0 - 165.251.255.255
NetType:        allocation
RegDate:        1993-10-18
Updated:        2021-12-14
Source:         ARIN


OrgID:          ESC-85
OrgName:        Easylink Services Corporation
CanAllocate:    
Street:         33 Knightsbridge Road
City:           Piscataway
State/Prov:     NJ
Country:        US
PostalCode:     08854
RegDate:        2002-11-04
Updated:        2023-09-18
OrgAdminHandle: ZE40-ARIN
OrgTechHandle:  ZE40-ARIN
OrgAbuseHandle: EMAIL68-ARIN
OrgAbuseHandle: ZE40-ARIN
Source:         ARIN


POCHandle:      EMAIL68-ARIN
IsRole:         Y
LastName:       Email Deliverablity
FirstName:      
Street:         275 Frank Tompa Drive
City:           Waterloo
State/Prov:     ON
Country:        PT
PostalCode:     N2L 0A1
RegDate:        2023-09-18
Updated:        2025-01-20
OfficePhone:    +1-519-888-7111
Mailbox:        abuse@messagereach.com
Mailbox:        emaildeliverability@opentext.com
Source:         ARIN


POCHandle:      ZE40-ARIN
IsRole:         Y
LastName:       Easylink IP Services
FirstName:      
Street:         100 Tormee Dr.
City:           Tinton Falls
State/Prov:     NJ
Country:        US
PostalCode:     07712
RegDate:        2001-06-18
Updated:        2025-12-02
OfficePhone:    +1-732-652-3808
MobilePhone:    +1-732-778-4960
FaxPhone:       +1-732-380-2401
Mailbox:        jbarbosa@opentext.com
Mailbox:        merdelyi@opentext.com
Mailbox:        rrooyjr@opentext.com
Mailbox:        sgall@opentext.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 165.251.0.0/16

No nearby ranges found.

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address	ASN	Details
165.251.16.42	AS27495 Open Text Corporation	`3.63ms` 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
98.221.170.149	AS7922 Comcast Cable Communications, LLC	`8.99ms` from Ashburn, US
101.98.89.165	AS9790 Two Degrees Networks Limited	`1.28ms` from Auckland, NZ
87.97.37.37	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`15.25ms` from Budapest, HU
131.241.18.213	AS6181 Cincinnati Bell Telephone Company LLC	`2.12ms` from Cincinnati, US
4.42.206.181	AS3356 Level 3 Parent, LLC	`0.41ms` from Dallas, US
93.239.156.165	AS3320 Deutsche Telekom AG	`6.25ms` from Frankfurt am Main, DE
93.127.234.229	AS62336 PURtel.com GmbH	`1.02ms` from Hamburg, DE
123.21.1.213	AS45899 VNPT Corp	`1.46ms` from Ho Chi Minh City, VN
8.228.17.5	AS396982 Google LLC	`0.15ms` from Las Vegas, US
93.193.252.245	AS3320 Deutsche Telekom AG	`4.69ms` from Nuernberg, DE
194.238.104.197	AS43766 Mobile Telecommunication Company Saudi Arabia Joint-Stock company	`2.37ms` from Riyadh, SA
64.86.142.21	AS6453 TATA COMMUNICATIONS (AMERICA) INC	`0.25ms` from San Jose, US
121.30.254.53	AS4837 CHINA UNICOM China169 Backbone	`7.86ms` from Taiyuan, CN
89.174.73.117	AS12912 T-Mobile Polska S.A.	`0.89ms` from Warsaw, PL
209.192.129.213	AS7979 Servers.com, Inc.	`0.16ms` from Ashburn, US
73.16.34.245	AS7922 Comcast Cable Communications, LLC	`9.98ms` from Boston, US
177.203.129.229	AS8167 V tal	`3.08ms` from Brasilia, BR
142.59.11.181	AS852 TELUS Communications Inc.	`0.83ms` from Calgary, CA
24.247.53.149	AS20115 Charter Communications LLC	`12.84ms` from Chicago, US
204.10.222.37	AS26247 Hamilton-Clermont Cooperative Assn.	`5.61ms` from Columbus, US
75.212.115.21	AS6167 Verizon Business	`17.63ms` from Dallas, US
104.5.63.21	AS7018 AT&T Enterprises, LLC	`5.96ms` from Dallas, US
3.68.180.117	AS16509 Amazon.com, Inc.	`0.11ms` from Frankfurt am Main, DE
8.148.106.101	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.24ms` from Fuzhou, CN
36.64.0.213	AS7713 PT Telekomunikasi Indonesia	`0.71ms` from Jakarta, ID

Traceroute

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

traceroute -a -n -q1 -f5 -m11 165.251.18.186

traceroute to 165.251.18.186 (165.251.18.186): 11 hops max, 52 byte packets

5 [AS701] 198.3.1.162 44.576 ms

6 [AS27495] 137.236.244.192 45.28 ms

7 [AS27495] 137.236.244.205 45.071 ms

8 [AS27495] 137.236.241.122 45.371 ms

9 *

10 *

11 *

Measurement taken from

IPinfo ProbeNet in Casper, US

On January 30th 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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