104.18.32.0/19

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 104.18.0.0/16

No nearby ranges found.

Hosted domains

There are 753,321 domain names hosted across 4,556 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
104.18.39.181 betway.es 27412
104.18.40.102 close.com 10078
104.18.38.88 dolby.com 10069
104.18.41.163 camelbak.co.uk 5839
104.18.36.248 sbotop.help 4493
104.18.38.102 nhrmc.org 2160
104.18.42.51 pixologic.com 2129
104.18.40.121 plesk.com 1948
104.18.34.23 theprimarymarket.com 1573
104.18.42.163 shopify.plus 1261
104.18.38.190 goat.com 1241
104.18.42.115 redlands.edu 1202
104.18.36.58 chronogolf.com 1140
104.18.41.182 hit1.club 1041
104.18.37.248 purepeople.com 1029
104.18.42.162 centura.org 998
104.18.39.44 just-eat.es 991
104.18.32.80 capteonline.org 988
104.18.43.151 gokinetic.com 987
104.18.40.166 fool.com 960

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

8,192 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
104.18.46.208 AS13335 Cloudflare, Inc. 0.12ms from Porto Alegre, BR
104.18.56.123 AS13335 Cloudflare, Inc. 0.15ms from Lima, PE
104.18.62.38 AS13335 Cloudflare, Inc. 0.15ms from Lima, PE
104.18.37.24 AS13335 Cloudflare, Inc. 0.13ms from Lima, PE
104.18.38.6 AS13335 Cloudflare, Inc. 0.13ms from Lima, PE
104.18.55.244 AS13335 Cloudflare, Inc. 0.14ms from Lima, PE
104.18.41.245 AS13335 Cloudflare, Inc. 0.13ms from Lima, PE
104.18.53.51 AS13335 Cloudflare, Inc. 0.14ms from Lima, PE
104.18.51.237 AS13335 Cloudflare, Inc. 0.14ms from Lima, PE
104.18.43.26 AS13335 Cloudflare, Inc. 0.12ms from Porto Alegre, BR
104.18.39.0 AS13335 Cloudflare, Inc. 0.12ms from Lima, PE
104.18.40.27 AS13335 Cloudflare, Inc. 0.13ms from Lima, PE
104.18.48.227 AS13335 Cloudflare, Inc. 0.15ms from Lima, PE
104.18.60.119 AS13335 Cloudflare, Inc. 0.13ms from Lima, PE
104.18.34.90 AS13335 Cloudflare, Inc. 0.13ms from Lima, PE
104.18.58.89 AS13335 Cloudflare, Inc. 0.13ms from Lima, PE
104.18.45.245 AS13335 Cloudflare, Inc. 0.12ms from Porto Alegre, BR
104.18.36.177 AS13335 Cloudflare, Inc. 0.12ms from Lima, PE
104.18.57.97 AS13335 Cloudflare, Inc. 0.15ms from Lima, PE
104.18.63.8 AS13335 Cloudflare, Inc. 0.14ms from Lima, PE
104.18.32.208 AS13335 Cloudflare, Inc. 0.12ms from Lima, PE
104.18.61.225 AS13335 Cloudflare, Inc. 0.15ms from Lima, PE
104.18.59.3 AS13335 Cloudflare, Inc. 0.14ms from Lima, PE
104.18.50.131 AS13335 Cloudflare, Inc. 0.15ms from Lima, PE
104.18.42.139 AS13335 Cloudflare, Inc. 0.12ms from Lima, PE

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
210.47.128.3 AS4538 China Education and Research Network Center 13.80ms from Beijing, CN
92.87.11.3 AS9050 Orange Romania S.A. 2.93ms from Bucharest, RO
197.48.238.115 AS8452 TE-AS 7.80ms from Cairo, EG
5.56.86.211 AS8926 Moldtelecom SA 3.72ms from Chisinau, MD
93.161.101.83 AS3292 TDC Holding A/S 1.56ms from Copenhagen, DK
188.37.222.51 AS12353 Vodafone Portugal 6.85ms from Lisbon, PT
92.238.65.243 AS5089 Virgin Media Limited 11.52ms from London, GB
35.237.14.147 AS396982 Google LLC 0.15ms from Moncks Corner, US
52.60.238.3 AS16509 Amazon.com, Inc. 0.11ms from Montreal, CA
95.239.155.19 AS3269 Telecom Italia S.p.A. 5.49ms from Naples, IT
177.198.136.147 AS26599 TELEFÔNICA BRASIL S.A 2.13ms from Osasco, BR
34.141.165.163 AS396982 Google LLC 0.13ms from Oudeschip, NL
81.27.17.3 AS39509 NGANALYTICS SAS 7.08ms from Paris, FR
34.193.17.179 AS14618 Amazon.com, Inc. 0.16ms from Reston, US
189.130.253.51 AS8151 UNINET 4.10ms from Santiago de Queretaro, MX
211.199.250.83 AS4766 Korea Telecom 10.00ms from Seoul, KR
151.251.153.3 AS29580 A1 Bulgaria EAD 0.61ms from Sofia, BG
153.245.31.19 AS4713 NTT DOCOMO BUSINESS,Inc. 2.31ms from Tokyo, JP
64.90.110.99 AS19797 DEXAGON Inc. 0.38ms from Toronto, CA
105.104.97.67 AS36947 Telecom Algeria 8.23ms from Tunis, TN
77.163.79.99 AS1136 KPN B.V. 1.21ms from Amsterdam, NL
201.185.131.211 AS13489 UNE EPM TELECOMUNICACIONES S.A. 6.81ms from Bogota, CO
188.157.127.51 AS5483 Magyar Telekom Plc. 8.43ms from Budapest, HU
66.222.12.3 AS4181 TDS TELECOM 5.69ms from Chicago, US
96.116.52.99 AS7922 Comcast Cable Communications, LLC 1.14ms from Chicago, US

Traceroute

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

$
traceroute -a -n -q1 -f7 104.18.42.57
traceroute to 104.18.42.57 (104.18.42.57): 64 hops max, 52 byte packets
7 [AS13335] 104.18.42.57 0.174 ms
Measurement taken from IPinfo ProbeNet in Yerevan, AM
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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