104.27.16.0/20

AS13335  ·  Cloudflare, Inc.

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Summary

Country United States
Domain cloudflare.com
ASN AS13335
Registry ARIN
ID CLOUDFLARENET

WHOIS Details

NetHandle:      NET-104-16-0-0-1
OrgID:          CLOUD14
Parent:         NET-104-0-0-0-0
NetName:        CLOUDFLARENET
NetRange:       104.16.0.0 - 104.31.255.255
NetType:        allocation
Comment:        All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Comment:        Geofeed: https://api.cloudflare.com/local-ip-ranges.csv
RegDate:        2014-03-28
Updated:        2024-09-04
TechHandle:     ADMIN2521-ARIN
AbuseHandle:    ABUSE2916-ARIN
NOCHandle:      NOC11962-ARIN
Source:         ARIN


OrgID:          CLOUD14
OrgName:        Cloudflare, Inc.
CanAllocate:    
Street:         101 Townsend Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2010-07-09
Updated:        2024-11-25
OrgAdminHandle: ADMIN2521-ARIN
OrgTechHandle:  ADMIN2521-ARIN
OrgAbuseHandle: ABUSE2916-ARIN
OrgNOCHandle:   CLOUD146-ARIN
OrgRoutingHandle:   CLOUD146-ARIN
Source:         ARIN


POCHandle:      CLOUD146-ARIN
IsRole:         Y
LastName:       Cloudflare-NOC
FirstName:      
Street:         101 Townsend St
City:           San Francsico
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2021-07-01
Updated:        2025-08-20
OfficePhone:    +1-650-319-8930
Mailbox:        noc@cloudflare.com
Source:         ARIN


POCHandle:      NOC11962-ARIN
IsRole:         Y
LastName:       NOC
FirstName:      
Street:         101 Townsend Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2011-04-19
Updated:        2025-03-12
OfficePhone:    +1-650-319-8930
Mailbox:        noc@cloudflare.com
Source:         ARIN


POCHandle:      ABUSE2916-ARIN
IsRole:         Y
LastName:       Abuse
FirstName:      
Street:         101 Townsend Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2011-02-14
Updated:        2024-09-04
OfficePhone:    +1-650-319-8930
Mailbox:        abuse@cloudflare.com
Source:         ARIN


POCHandle:      ADMIN2521-ARIN
IsRole:         Y
LastName:       Admin
FirstName:      
Street:         101 Townsend Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2011-04-19
Updated:        2025-06-12
OfficePhone:    +1-650-319-8930
Mailbox:        rir@cloudflare.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 104.27.0.0/16

No nearby ranges found.

Hosted domains

There are 6 domain names hosted across 5 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
104.27.21.118 chat-free.me 2
104.27.26.140 curiosity-labs.com 1
104.27.20.232 berlin-tour.net 1
104.27.16.39 jac2r.com 1
104.27.27.27 gh-proxy.top 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

Pingable IPs

4,096 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
104.27.27.52 AS13335 Cloudflare, Inc. 0.14ms from Brisbane, AU
104.27.28.240 AS13335 Cloudflare, Inc. 0.14ms from Yerevan, AM
104.27.19.49 AS13335 Cloudflare, Inc. 0.14ms from Johannesburg, ZA
104.27.16.95 AS13335 Cloudflare, Inc. 0.13ms from Yerevan, AM
104.27.29.118 AS13335 Cloudflare, Inc. 0.13ms from Yerevan, AM
104.27.17.178 AS13335 Cloudflare, Inc. 0.13ms from Brisbane, AU
104.27.31.78 AS13335 Cloudflare, Inc. 0.13ms from Yerevan, AM
104.27.22.45 AS13335 Cloudflare, Inc. 0.13ms from Brisbane, AU
104.27.21.87 AS13335 Cloudflare, Inc. 0.13ms from Yerevan, AM
104.27.30.174 AS13335 Cloudflare, Inc. 0.12ms from Yerevan, AM
104.27.26.109 AS13335 Cloudflare, Inc. 0.13ms from Johannesburg, ZA
104.27.20.75 AS13335 Cloudflare, Inc. 0.13ms from Yerevan, AM
104.27.23.25 AS13335 Cloudflare, Inc. 0.14ms from Yerevan, AM
104.27.18.185 AS13335 Cloudflare, Inc. 0.14ms from Yerevan, AM
104.27.24.56 AS13335 Cloudflare, Inc. 0.13ms from Yerevan, AM
104.27.25.152 AS13335 Cloudflare, Inc. 0.13ms from Yerevan, AM

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
88.229.122.68 AS9121 Turk Telekomunikasyon Anonim Sirketi 10.37ms from Bursa, TR
124.161.187.100 AS4837 CHINA UNICOM China169 Backbone 10.03ms from Chengdu, CN
117.177.77.196 AS9808 China Mobile Communications Group Co., Ltd. 10.77ms from Chengdu, CN
131.220.81.100 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 3.19ms from Frankfurt am Main, DE
187.142.111.132 AS8151 UNINET 9.16ms from Guadalajara, MX
155.203.202.52 AS54036 Clean Harbors Environmental Services, Inc. 0.99ms from Hyderabad, IN
91.195.187.4 AS174 Cogent Communications, LLC 0.22ms from London, GB
83.105.132.52 AS5378 Vodafone Limited 3.29ms from London, GB
85.63.163.196 AS12479 Orange Espagne SA 0.52ms from Madrid, ES
68.205.228.116 AS33363 Charter Communications, Inc 5.69ms from Orlando, US
201.146.99.36 AS8151 UNINET 10.81ms from Phoenix, US
50.125.200.52 AS20055 Wholesail networks LLC 2.37ms from Seattle, US
178.239.25.100 AS199081 Lancom Ltd. 0.34ms from Thessaloniki, GR
106.166.39.196 AS2516 KDDI CORPORATION 12.23ms from Tokyo, JP
105.99.71.132 AS36947 Telecom Algeria 10.38ms from Algiers, DZ
13.93.99.52 AS8075 Microsoft Corporation 0.27ms from Amsterdam, NL
34.104.11.148 AS396982 Google LLC 0.31ms from Ashburn, US
147.229.217.4 AS197451 Brno University of Technology 0.59ms from Brno, CZ
105.242.182.68 AS36994 Vodacom 2.82ms from Cape Town, ZA
193.57.22.180 AS12996 Domeneshop AS 5.31ms from Falkenberg, SE
47.245.189.196 AS45102 Alibaba (US) Technology Co., Ltd. 0.42ms from Frankfurt am Main, DE
81.222.197.132 AS3216 PJSC "Vimpelcom" 0.37ms from Khabarovsk, RU
18.133.147.244 AS16509 Amazon.com, Inc. 0.14ms from London, GB
64.137.92.244 AS202044 Getechbrothers, MB 0.23ms from London, GB
90.248.84.180 AS5378 Vodafone Limited 2.85ms from Manchester, GB

Traceroute

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

$
traceroute -a -n -q1 -f4 104.27.20.179
traceroute to 104.27.20.179 (104.27.20.179): 64 hops max, 52 byte packets
4 [AS13335] 172.69.220.2 0.802 ms
Measurement taken from IPinfo ProbeNet in Luxembourg, LU
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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