1. All IP Ranges
  2. 66.0.0.0/8
  3. 66.81.0.0/16
  4. AS40627  | 66.81.240.0/20

66.81.240.0/20

AS40627  ·  RingCentral Inc

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Summary

Country United States
Domain ringcentral.com
ASN AS40627
Registry ARIN
ID RC-PRO-5

WHOIS Details

NetHandle:      NET-66-81-240-0-1
OrgID:          RINGC
Parent:         NET-66-0-0-0-0
NetName:        RC-PRO-5
NetRange:       66.81.240.0 - 66.81.255.255
NetType:        allocation
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
RegDate:        2020-06-29
Updated:        2024-03-06
Source:         ARIN


OrgID:          RINGC
OrgName:        RingCentral Inc
CanAllocate:    
Street:         20 Davis Drive
City:           Belmont
State/Prov:     CA
Country:        US
PostalCode:     94002
RegDate:        2008-02-12
Updated:        2024-11-25
OrgAdminHandle: OPERA151-ARIN
OrgTechHandle:  CHONG5-ARIN
OrgTechHandle:  OPERA151-ARIN
OrgAbuseHandle: OPERA151-ARIN
OrgNOCHandle:   OPERA151-ARIN
Source:         ARIN


POCHandle:      OPERA151-ARIN
IsRole:         Y
LastName:       Operations
FirstName:      
Street:         20 Davis Drive
City:           Belmont
State/Prov:     CA
Country:        US
PostalCode:     94002
RegDate:        2008-02-11
Updated:        2025-08-27
OfficePhone:    +1-650-472-4000
FaxPhone:       +1-650-472-4000
Mailbox:        hostmaster@ringcentral.com
Mailbox:        john.chong@ringcentral.com
Source:         ARIN


POCHandle:      CHONG5-ARIN
IsRole:         N
LastName:       Chong
FirstName:      John
Street:         20 Davis Drive
City:           Belmont
State/Prov:     CA
Country:        US
PostalCode:     94002
RegDate:        2012-04-13
Updated:        2025-02-04
OfficePhone:    +1-650-264-7644
FaxPhone:       +1-650-264-7644
Mailbox:        john.chong@ringcentral.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 66.81.0.0/16

Range ASN Company Num of IPs
66.81.112.0/21 AS63178 Mid-Plains Rural Telephone Cooperative, Inc. 2,048
66.81.144.0/21 AS207054 FlyNet.it 2,048
66.81.136.0/21 AS27022 Siyeh Corporation 2,048
66.81.208.0/22 AS14265 TPx Communications 1,024
66.81.84.0/22 AS19864 HFA Specialty Assets LLC 1,024
66.81.48.0/23 AS11915 TPx Communications 512
66.81.38.0/23 AS14265 TPx Communications 512
66.81.82.0/23 AS14265 TPx Communications 512
66.81.30.0/23 AS14265 TPx Communications 512
66.81.0.0/23 AS19864 HFA Specialty Assets LLC 512
66.81.28.0/23 AS19864 HFA Specialty Assets LLC 512
66.81.12.0/23 AS14265 Calicom Internet Service 512
66.81.159.0/24 AS19864 HFA Specialty Assets LLC 256
66.81.81.0/24 AS14618 HFA Specialty Assets LLC 256
66.81.227.0/24 AS16509 HFA Specialty Assets LLC 256
66.81.239.0/24 AS14265 DGweb Communications 256
66.81.14.0/24 AS19864 HFA Specialty Assets LLC 256
66.81.94.0/24 AS14265 Communications Advantage, LLC 256

Hosted domains

There are 430 domain names hosted across 13 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
66.81.242.69 rclec.in 1
66.81.242.41 rclec.com 1

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

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

IP Address ASN Details
66.81.244.13 AS40627 RingCentral Inc 0.20ms from Chicago, US
66.81.252.6 AS40627 RingCentral Inc 0.73ms from Santa Clara, US
66.81.247.162 AS209242 Cloudflare London, LLC 0.11ms from Lisbon, PT
66.81.251.129 AS40627 RingCentral Inc 0.98ms from San Jose, US
66.81.246.40 AS40627 RingCentral Inc 0.27ms from Amsterdam, NL
66.81.255.225 AS209242 Cloudflare London, LLC 0.11ms from Lisbon, PT
66.81.240.40 AS40627 RingCentral Inc 0.47ms from Frankfurt am Main, DE
66.81.242.28 AS40627 RingCentral Inc 0.18ms from Sydney, AU
66.81.250.11 AS40627 RingCentral Inc 0.30ms from San Jose, US
66.81.245.163 AS40627 RingCentral Inc 0.86ms from Chicago, US
66.81.248.121 AS40627 RingCentral Inc 11.74ms from Melbourne, AU

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
185.224.82.116 AS204196 Abelohost BV 0.94ms from Amsterdam, NL
114.240.136.52 AS4808 China Unicom Beijing Province Network 4.05ms from Beijing, CN
173.90.154.100 AS10796 Charter Communications Inc 12.90ms from Columbus, US
14.185.238.20 AS45899 VNPT Corp 2.77ms from Da Nang, VN
88.68.96.100 AS3209 Vodafone GmbH 6.86ms from Duesseldorf, DE
140.246.15.196 AS58519 Cloud Computing Corporation 0.33ms from Guiyang, CN
136.35.238.68 AS16591 Google Fiber Inc. 0.60ms from Kansas City, US
6.6.37.148 AS668 United States Department of Defense (DoD) 1.78ms from Los Angeles, US
202.59.124.132 AS23624 Chukai Television Co,.Ltd. 8.88ms from Osaka, JP
223.143.59.212 AS17421 Mobile Business Group 6.43ms from Taipei, TW
35.233.170.164 AS396982 Google LLC 0.12ms from The Dalles, US
76.100.16.20 AS7922 Comcast Cable Communications, LLC 7.58ms from Ashburn, US
107.140.152.68 AS7018 AT&T Enterprises, LLC 1.01ms from Atlanta, US
162.154.213.68 AS10796 Charter Communications Inc 18.42ms from Cleveland, US
62.95.50.20 AS1257 Tele2 Sverige AB 7.07ms from Goeteborg, SE
43.240.223.116 AS58519 Cloud Computing Corporation 1.23ms from Hohhot, CN
194.97.192.84 AS8648 dogado GmbH 0.16ms from Leipzig, DE
86.163.51.132 AS2856 British Telecommunications PLC 8.12ms from London, GB
81.134.116.116 AS2856 British Telecommunications PLC 0.98ms from London, GB
72.197.179.164 AS22773 Cox Communications Inc. 7.14ms from Los Angeles, US
157.254.144.212 AS9009 M247 Europe SRL 0.37ms from New York City, US
116.63.196.132 AS4811 China Telecom (Group) 3.43ms from Shanghai, CN
52.63.47.100 AS16509 Amazon.com, Inc. 0.15ms from Sydney, AU
78.109.155.180 AS9198 JSC Kazakhtelecom 2.21ms from Almaty, KZ
50.238.69.100 AS7922 Comcast Cable Communications, LLC 1.80ms from Atlanta, US

Traceroute

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

$
traceroute -a -n -q1 -m4 66.81.254.241
traceroute to 66.81.254.241 (66.81.254.241): 4 hops max, 52 byte packets
1 [AS397373] 192.154.230.1 210.061 ms
2 *
3 *
4 *
Measurement taken from IPinfo ProbeNet in Los Angeles, US
On

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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