137.164.23.0/24

AS2152 · CENIC

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Summary

Country	United States
Domain	cenic.org
ASN	AS2152
Parent Range	137.164.0.0/16
Registry	ARIN
ID	CALREN

WHOIS Details

NetHandle:      NET-137-164-0-0-1
OrgID:          CENIC
Parent:         NET-137-0-0-0-0
NetName:        CALREN
NetRange:       137.164.0.0 - 137.164.255.255
NetType:        allocation
RegDate:        1989-12-21
Updated:        2007-05-03
Source:         ARIN


OrgID:          CENIC
OrgName:        CENIC
CanAllocate:    
Street:         5757 Plaza Drive, Suite 205
City:           Cypress
State/Prov:     CA
Country:        US
PostalCode:     90630-5029
RegDate:        1998-08-18
Updated:        2024-11-25
OrgAdminHandle: DOMAI64-ARIN
OrgTechHandle:  OPERA63-ARIN
OrgAbuseHandle: ABUSE711-ARIN
Source:         ARIN


POCHandle:      DOMAI64-ARIN
IsRole:         Y
LastName:       Admin Domain
FirstName:      
Street:         16700 Valley View Ave.
Street:         Suite 400
City:           La Mirada
State/Prov:     CA
Country:        US
PostalCode:     90638
RegDate:        2004-03-25
Updated:        2025-10-27
OfficePhone:    +1-714-220-3494
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ABUSE711-ARIN
IsRole:         Y
LastName:       CENIC Abuse
FirstName:      
Street:         16700 Valley View Ave.
Street:         Suite 400
City:           La Mirada
State/Prov:     CA
Country:        US
PostalCode:     90638
RegDate:        2004-09-17
Updated:        2025-11-06
OfficePhone:    +1-714-220-3494
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      OPERA63-ARIN
IsRole:         Y
LastName:       Admin Domain
FirstName:      
Street:         16700 Valley View Ave.
Street:         Suite 400
City:           La Mirada
State/Prov:     CA
Country:        US
PostalCode:     90638
RegDate:        2004-03-25
Updated:        2025-01-07
OfficePhone:    +1-714-220-3494
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 137.164.23.0/24

Range	ASN	Company	Num of IPs
137.164.0.0/16	AS2152	CENIC	65,536
137.164.0.0/16	AS2153	CENIC	65,536

Nearby Ranges

BGP prefixes that overlap with 137.164.0.0/16

Range	ASN	Company	Num of IPs
137.164.0.0/16	AS2152	CENIC	65,536
137.164.0.0/16	AS2153	CENIC	65,536
137.164.51.0/24	AS16509	CENIC	256
137.164.87.0/24	AS16509	CENIC	256

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

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

IP Address	ASN	Details
137.164.23.251	AS2152 CENIC	`0.32ms` from Los Angeles, 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
44.228.244.232	AS16509 Amazon.com, Inc.	`0.12ms` from Boardman, US
34.140.7.232	AS396982 Google LLC	`0.16ms` from Brussels, BE
106.197.66.24	AS45609 Bharti Airtel Ltd. AS for GPRS Service	`0.18ms` from Chennai, IN
117.62.58.56	AS140292 CHINATELECOM Jiangsu province Suzhou 5G network	`7.72ms` from Huai'an, CN
220.208.130.120	AS18282 Tonami System Solutions Co., Ltd.	`6.03ms` from Osaka, JP
73.193.67.40	AS7922 Comcast Cable Communications, LLC	`7.89ms` from Seattle, US
59.9.222.8	AS4766 Korea Telecom	`1.24ms` from Seoul, KR
1.177.98.232	AS9845 LG HelloVision Corp.	`15.09ms` from Seoul, KR
220.146.64.248	AS4685 Asahi Net	`1.86ms` from Tokyo, JP
142.186.70.120	AS577 Bell Canada	`1.59ms` from Toronto, CA
99.239.214.136	AS812 Rogers Communications Canada Inc.	`3.83ms` from Toronto, CA
82.157.123.56	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.79ms` from Beijing, CN
23.223.7.120	AS16625 Akamai Technologies, Inc.	`0.23ms` from Bengaluru, IN
98.25.222.8	AS11426 Charter Communications Inc	`12.81ms` from Charlotte, US
96.190.186.216	AS53297 Comcast Cable Communications, LLC	`0.05ms` from Chicago, US
3.149.218.88	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
108.207.105.248	AS7018 AT&T Enterprises, LLC	`2.60ms` from Dallas, US
51.195.175.72	AS16276 OVH SAS	`0.06ms` from Erith, GB
2.127.58.56	AS5607 Sky UK Limited	`3.82ms` from London, GB
108.40.123.152	AS701 Verizon Business	`4.08ms` from Philadelphia, US
140.238.17.248	AS31898 Oracle Corporation	`0.17ms` from Seoul, KR
126.110.16.136	AS17676 SoftBank Corp.	`6.63ms` from Tokyo, JP
168.91.63.216	AS54614 CIK Telecom INC	`4.56ms` from Toronto, CA
50.68.98.72	AS6327 Shaw Communications	`7.86ms` from Vancouver, CA
128.85.227.88	AS8075 Microsoft Corporation	`0.20ms` from Boydton, US

Traceroute

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

traceroute -a -n -q1 -f2 137.164.23.182

traceroute to 137.164.23.182 (137.164.23.182): 64 hops max, 52 byte packets

2 [AS6461] 64.125.81.145 0.208 ms

3 *

4 *

5 [AS2152] 137.164.23.182 0.574 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, 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.

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