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 427 domain names hosted across 12 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

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

IP Address ASN Details
66.81.252.196 AS40627 RingCentral Inc 0.72ms from Santa Clara, US
66.81.246.21 AS40627 RingCentral Inc 0.23ms from Amsterdam, NL
66.81.255.116 AS209242 Cloudflare London, LLC 0.11ms from Lisbon, PT
66.81.251.161 AS40627 RingCentral Inc 1.02ms from San Jose, US
66.81.245.161 AS40627 RingCentral Inc 0.90ms from Chicago, US
66.81.248.21 AS40627 RingCentral Inc 11.75ms from Melbourne, AU
66.81.244.12 AS40627 RingCentral Inc 0.22ms from Chicago, US
66.81.240.34 AS40627 RingCentral Inc 0.48ms from Frankfurt am Main, DE
66.81.250.11 AS40627 RingCentral Inc 0.33ms from San Jose, US
66.81.242.32 AS40627 RingCentral Inc 0.18ms from Sydney, AU
66.81.247.70 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
178.229.93.132 AS31615 Odido Netherlands B.V. 14.10ms from Amsterdam, NL
185.134.114.164 AS50520 HOSTMEIN IKE 0.75ms from Athens, GR
201.245.232.4 AS19429 ETB - Colombia 1.35ms from Bogotá, CO
154.179.249.180 AS8452 TE-AS 4.37ms from Cairo, EG
58.244.65.180 AS4837 CHINA UNICOM China169 Backbone 3.46ms from Changchun, CN
70.92.162.228 AS10796 Charter Communications Inc 5.00ms from Chicago, US
88.70.170.84 AS3209 Vodafone GmbH 4.04ms from Hamburg, DE
188.67.150.212 AS16086 DNA Oyj 6.84ms from Helsinki, FI
47.155.191.4 AS5650 Frontier Communications of America, Inc. 3.46ms from Los Angeles, US
109.197.113.68 AS50760 Mozhaisk Computer Networks Ltd. 2.05ms from Moscow, RU
202.59.124.132 AS23624 Chukai Television Co,.Ltd. 8.88ms from Osaka, JP
176.168.219.4 AS5410 Bouygues Telecom SA 3.26ms from Paris, FR
84.52.203.148 AS34087 NTE TELEKOM AS 8.05ms from Sandefjord, NO
1.239.61.196 AS9318 SK Broadband Co Ltd 2.01ms from Seoul, KR
18.138.165.36 AS16509 Amazon.com, Inc. 0.13ms from Singapore, SG
168.166.253.100 AS393601 State of Missouri Office of Administration 5.04ms from St. Louis, US
223.10.84.100 AS4134 CHINANET-BACKBONE 4.44ms from Taiyuan, CN
18.176.124.164 AS16509 Amazon.com, Inc. 0.14ms from Tokyo, JP
111.217.15.4 AS2527 Sony Network Communications Inc. 15.83ms from Tokyo, JP
99.209.135.164 AS812 Rogers Communications Canada Inc. 0.48ms from Toronto, CA
61.168.101.52 AS4837 CHINA UNICOM China169 Backbone 2.45ms from Zhengzhou, CN
105.106.201.180 AS36947 Telecom Algeria 12.52ms from Algiers, DZ
111.165.202.4 AS4837 CHINA UNICOM China169 Backbone 4.91ms from Beijing, CN
101.18.147.36 AS4837 CHINA UNICOM China169 Backbone 12.39ms from Beijing, CN
188.2.111.36 AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o. 6.98ms from Belgrade, RS

Traceroute

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

$
traceroute -a -n -q1 -f5 66.81.252.1
traceroute to 66.81.252.1 (66.81.252.1): 64 hops max, 52 byte packets
5 [AS3356] 4.53.16.62 157.834 ms
6 [AS40627] 66.81.252.1 156.303 ms
Measurement taken from IPinfo ProbeNet in Copenhagen, DK
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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