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:        [email protected]
Mailbox:        [email protected]
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:        [email protected]
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
66.81.242.41 rclec.com 1
66.81.242.69 rclec.in 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
66.81.248.121 AS40627 RingCentral Inc 11.74ms from Melbourne, AU
66.81.252.6 AS40627 RingCentral Inc 0.73ms from Santa Clara, US
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
66.81.251.129 AS40627 RingCentral Inc 0.98ms from San Jose, US
66.81.244.13 AS40627 RingCentral Inc 0.20ms from Chicago, US
66.81.247.162 AS209242 Cloudflare London, LLC 0.11ms from Lisbon, PT
66.81.245.163 AS40627 RingCentral Inc 0.86ms from Chicago, 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
66.81.250.11 AS40627 RingCentral Inc 0.30ms 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
185.224.82.116 AS204196 Abelohost BV 0.94ms from Amsterdam, NL
142.251.163.196 AS15169 Google LLC 0.19ms from Ashburn, US
107.140.152.68 AS7018 AT&T Enterprises, LLC 1.01ms from Atlanta, US
23.202.7.100 AS16625 Akamai Technologies, Inc. 0.93ms from Chicago, US
75.180.33.4 AS10796 Charter Communications Inc 7.61ms from Columbus, US
193.15.235.244 AS1257 Tele2 Sverige AB 0.84ms from Goeteborg, SE
89.221.197.20 AS41691 CJSC Sumtel 9.12ms from Moscow, RU
178.173.54.132 AS47759 POIG Ltd. 1.88ms from Moscow, RU
203.199.154.196 AS4755 TATA Communications formerly VSNL is Leading ISP 0.70ms from Mumbai, IN
70.34.10.228 AS11071 InfoWest 7.40ms from Salt Lake City, US
78.130.131.68 AS9070 Cooolbox AD 0.59ms from Sofia, BG
220.135.200.52 AS3462 Data Communication Business Group 1.08ms from Taipei, TW
130.34.233.180 AS2907 Research Organization of Information and Systems, National Institute of Informatics 6.48ms from Tokyo, JP
188.2.111.36 AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o. 7.66ms from Belgrade, RS
20.94.122.196 AS8075 Microsoft Corporation 0.21ms from Boydton, US
3.140.115.4 AS16509 Amazon.com, Inc. 0.17ms from Columbus, US
213.182.6.36 AS12931 IDKOM Networks GmbH 8.17ms from Frankfurt am Main, DE
140.246.15.196 AS58519 Cloud Computing Corporation 0.33ms from Guiyang, CN
43.240.223.116 AS58519 Cloud Computing Corporation 1.23ms from Hohhot, CN
88.150.237.52 AS20860 IOMART CLOUD SERVICES LIMITED 2.98ms from London, GB
104.67.174.212 AS9299 Philippine Long Distance Telephone Company 0.10ms from Manila, PH
77.236.250.4 AS21353 JSC ER-Telecom Holding 1.02ms from Moscow, RU
116.72.1.228 AS17488 Hathway IP Over Cable Internet 9.01ms from Mumbai, IN
115.220.32.180 AS4134 CHINANET-BACKBONE 10.38ms from Ningbo, CN
79.252.199.52 AS3320 Deutsche Telekom AG 6.11ms from Nuernberg, DE

Traceroute

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

$
traceroute -a -n -q1 -m16 66.81.241.255
traceroute to 66.81.241.255 (66.81.241.255): 16 hops max, 52 byte packets
1 [AS202422] 5.188.34.1 0.256 ms
2 *
3 *
4 [AS58453] 223.119.2.61 0.843 ms
7 [AS58453] 223.120.12.114 180.543 ms
8 [AS58453] 223.120.6.70 181.94 ms
9 [AS16509] 99.83.92.30 182.103 ms
10 *
11 *
12 *
13 [AS16509] 108.166.232.69 185.93 ms
14 *
15 *
16 *
Measurement taken from IPinfo ProbeNet in Singapore, SG
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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