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:      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


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

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
66.81.136.0/21 AS27022 Siyeh Corporation 2,048
66.81.144.0/21 AS207054 FlyNet.it 2,048
66.81.208.0/22 AS14265 TPx Communications 1,024
66.81.48.0/23 AS11915 TPx Communications 512
66.81.12.0/23 AS14265 Calicom Internet Service 512
66.81.30.0/23 AS14265 TPx Communications 512
66.81.38.0/23 AS14265 TPx Communications 512
66.81.82.0/23 AS14265 TPx Communications 512
66.81.28.0/23 AS19864 HFA Specialty Assets LLC 512
66.81.227.0/24 AS16509 HFA Specialty Assets LLC 256
66.81.81.0/24 AS14618 HFA Specialty Assets LLC 256
66.81.94.0/24 AS14265 Communications Advantage, LLC 256
66.81.239.0/24 AS14265 DGweb Communications 256

Hosted domains

There are 429 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

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

IP Address ASN Details
66.81.244.14 AS40627 RingCentral Inc 0.20ms from Chicago, US
66.81.250.12 AS40627 RingCentral Inc 0.31ms from San Jose, US
66.81.247.170 AS209242 Cloudflare London, LLC 0.11ms from Wrocław, PL
66.81.252.196 AS40627 RingCentral Inc 0.83ms from San Jose, US
66.81.242.15 AS40627 RingCentral Inc 0.17ms from Sydney, AU
66.81.248.112 AS40627 RingCentral Inc 11.72ms from Melbourne, AU
66.81.246.32 AS40627 RingCentral Inc 0.28ms from Amsterdam, NL
66.81.245.129 AS40627 RingCentral Inc 0.80ms from Chicago, US
66.81.251.162 AS40627 RingCentral Inc 1.02ms from San Jose, US
66.81.240.25 AS40627 RingCentral Inc 0.48ms from Frankfurt am Main, DE
66.81.255.182 AS209242 Cloudflare London, LLC 0.11ms from Wrocław, PL

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
87.67.107.36 AS5432 Proximus NV 2.23ms from Brussels, BE
156.212.182.212 AS8452 TE-AS 9.89ms from Cairo, EG
3.130.175.4 AS16509 Amazon.com, Inc. 0.19ms from Columbus, US
190.29.17.196 AS13489 UNE EPM TELECOMUNICACIONES S.A. 2.20ms from Medellin, CO
106.164.247.100 AS2516 KDDI CORPORATION 11.58ms from Osaka, JP
114.142.67.244 AS7679 QTnet,Inc. 7.80ms from Osaka, JP
82.29.171.100 AS47583 Hostinger International Limited 0.38ms from Paris, FR
34.207.18.228 AS14618 Amazon.com, Inc. 0.21ms from Reston, US
2.226.158.116 AS12874 Fastweb SpA 9.94ms from Rome, IT
65.74.146.52 AS17018 Quality Technology Services, LLC 3.71ms from San Jose, US
191.13.23.20 AS27699 TELEFÔNICA BRASIL S.A 4.04ms from Sao Paulo, BR
211.250.76.100 AS4766 Korea Telecom 1.60ms from Seoul, KR
81.189.59.228 AS8437 Hutchison Drei Austria GmbH 6.87ms from Vienna, AT
178.213.166.20 AS51636 BORKOWSKI BARTLOMIEJ BORKOW.ORG PPHU 7.01ms from Warsaw, PL
139.68.65.20 AS40736 Bose Corporation 0.67ms from Ashburn, US
186.182.25.4 AS11664 Techtel LMDS Comunicaciones Interactivas S.A. 1.48ms from Buenos Aires, AR
20.254.217.116 AS8075 Microsoft Corporation 0.22ms from Cardiff, GB
64.15.83.20 AS11976 Fidelity Communication International Inc. 15.88ms from Chicago, US
66.81.201.4 AS40034 Confluence Networks Inc 1.34ms from Dallas, US
59.99.204.100 AS9829 National Internet Backbone 8.23ms from Delhi, IN
113.28.178.148 AS4515 PCCW IMS Ltd (PCCW Business Internet Access) 0.97ms from Hong Kong, HK
103.254.221.164 AS55361 Lucky Tone Communications Ltd. 1.46ms from Hong Kong, HK
185.136.71.100 AS50889 NVIDIA Ltd 0.16ms from London, GB
82.37.115.148 AS5089 Virgin Media Limited 13.99ms from London, GB
82.114.52.4 AS5504 Logosnet Services Limited 3.68ms from Nicosia, CY

Traceroute

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

$
traceroute -a -n -q1 66.81.244.66
traceroute to 66.81.244.66 (66.81.244.66): 64 hops max, 52 byte packets
2 *
3 *
4 *
5 *
6 [AS40627] 66.81.244.66 27.975 ms
Measurement taken from IPinfo ProbeNet in Binghamton, 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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