23.51.20.0/23

AS20940 · Akamai International B.V.

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Summary

Country	United States
Domain	akamai.com
ASN	AS20940
Registry	ARIN
ID	AKAMAI

WHOIS Details

NetHandle:      NET-23-32-0-0-1
OrgID:          AKAMAI
Parent:         NET-23-0-0-0-0
NetName:        AKAMAI
NetRange:       23.32.0.0 - 23.67.255.255
NetType:        allocation
RegDate:        2011-05-16
Updated:        2012-03-02
Source:         ARIN


OrgID:          AKAMAI
OrgName:        Akamai Technologies, Inc.
CanAllocate:    
Street:         145 Broadway
City:           Cambridge
State/Prov:     MA
Country:        US
PostalCode:     02142
RegDate:        1999-01-21
Updated:        2023-10-24
OrgAdminHandle: IPADM11-ARIN
OrgTechHandle:  IPADM11-ARIN
OrgTechHandle:  SJS98-ARIN
OrgAbuseHandle: NUS-ARIN
Source:         ARIN


POCHandle:      NUS-ARIN
IsRole:         Y
LastName:       NOC United States
FirstName:      
Street:         8 Cambridge Center
Street:         Mailstop 926-G
City:           Cambridge
State/Prov:     MA
Country:        US
PostalCode:     02142
RegDate:        2002-11-18
Updated:        2017-03-07
OfficePhone:    +1-617-444-2535
Mailbox:        abuse@akamai.com
Source:         ARIN


POCHandle:      IPADM11-ARIN
IsRole:         Y
LastName:       ipadmin
FirstName:      
Street:         8 Cambridge Center
Street:         Mailstop 926-G
Street:         Network Architecture
City:           Cambridge
State/Prov:     MA
Country:        US
PostalCode:     02139
RegDate:        2002-08-30
Updated:        2025-02-10
OfficePhone:    +1-617-444-0017
Mailbox:        ip-admin@akamai.com
Source:         ARIN


POCHandle:      SJS98-ARIN
IsRole:         N
LastName:       Schecter
FirstName:      Steven
Street:         145 Broadway
City:           Cambridge
State/Prov:     MA
Country:        US
PostalCode:     02142
RegDate:        2014-01-15
Updated:        2025-05-28
OfficePhone:    +1-617-274-7134
Mailbox:        ip-admin@akamai.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 23.51.0.0/16

Range	ASN	Company	Num of IPs
23.51.112.0/20	AS16625	Akamai International, BV	4,096
23.51.224.0/20	AS16625	Akamai International, BV	4,096
23.51.96.0/20	AS16625	Akamai International, BV	4,096
23.51.216.0/21	AS16625	Akamai International, BV	2,048

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

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

IP Address	ASN	Details
23.51.20.94	AS20940 Akamai International B.V.	`0.65ms` from San Jose, US
23.51.21.166	AS20940 Akamai International B.V.	`0.64ms` from San Jose, 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
157.97.170.23	AS20857 Signet B.V.	`0.62ms` from Amsterdam, NL
204.242.84.167	AS6079 RCN	`1.75ms` from Ashburn, US
82.144.174.7	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`12.35ms` from Budapest, HU
97.119.252.199	AS209 CenturyLink Communications, LLC	`10.96ms` from Chicago, US
34.255.181.87	AS16509 Amazon.com, Inc.	`0.29ms` from Dublin, IE
14.198.24.151	AS9269 Hong Kong Broadband Network Ltd.	`0.84ms` from Hong Kong, HK
73.115.117.87	AS7922 Comcast Cable Communications, LLC	`5.26ms` from Houston, US
77.101.229.55	AS5089 Virgin Media Limited	`4.91ms` from London, GB
94.1.232.215	AS5607 Sky UK Limited	`3.87ms` from London, GB
171.34.44.23	AS4837 CHINA UNICOM China169 Backbone	`1.74ms` from Nanchang, CN
179.107.193.23	AS28294 GIGA MAIS FIBRA TELECOMUNICACOES S.A.	`6.28ms` from Osasco, BR
27.219.63.103	AS4837 CHINA UNICOM China169 Backbone	`1.08ms` from Qingdao, CN
189.175.3.55	AS8151 UNINET	`13.34ms` from Santiago de Queretaro, MX
67.170.112.183	AS7922 Comcast Cable Communications, LLC	`5.60ms` from Seattle, US
38.225.209.135	AS149440 Evoxt Enterprise	`0.24ms` from Zuerich, CH
154.248.36.39	AS36947 Telecom Algeria	`15.10ms` from Algiers, DZ
117.221.139.135	AS9829 National Internet Backbone	`15.66ms` from Bengaluru, IN
92.216.92.247	AS3209 Vodafone GmbH	`9.41ms` from Berlin, DE
74.129.255.39	AS10796 Charter Communications Inc	`17.04ms` from Columbus, US
98.50.76.23	AS7922 Comcast Cable Communications, LLC	`4.58ms` from Denver, US
104.185.73.135	AS7018 AT&T Enterprises, LLC	`1.50ms` from Durham, US
88.65.228.231	AS3209 Vodafone GmbH	`8.24ms` from Frankfurt am Main, DE
79.228.160.215	AS3320 Deutsche Telekom AG	`7.11ms` from Frankfurt am Main, DE
206.119.110.7	AS140224 Nebula Global LLC	`1.00ms` from Hong Kong, HK
78.129.220.135	AS20860 IOMART CLOUD SERVICES LIMITED	`0.90ms` from London, GB

Traceroute

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

traceroute -a -n -q1 -f6 23.51.21.50

traceroute to 23.51.21.50 (23.51.21.50): 64 hops max, 52 byte packets

6 [] 206.223.117.142 109.001 ms

7 *

8 *

9 *

10 [AS20940] 23.51.21.50 122.955 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On October 30th 2025

What are IP address ranges?

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