104.18.37.40

  • No reverse DNS
  • Not on blocklists
Network
CLOUDFLARENET
Held by
Cloudflare, Inc.
Range
104.16.0.0 - 104.31.255.255
CIDR
104.16.0.0/12
Type
DIRECT ALLOCATION
Registered on
Last updated
Status
  • active
Report abuse to
abuse@cloudflare.com
Checked

Reverse DNS

Names
None

Network

Announced by
AS13335 Cloudflare, Inc.
Route
104.18.37.0/24, carried by 3,563 of bgp.tools' BGP feeds
Kind
Content
Country
US
Tagged
VPN Host, Content Delivery Network, DDoS Mitigation, Anycast, Internet Critical Infra, Tranco 10k Host, Validating RPKI ROV

Upstreams and peers

  • AS1299 Arelion (fka. Telia Carrier)5,855 paths
  • AS3356 Lumen (Level 3)4,905 paths
  • AS3257 GTT Communications Inc.4,500 paths
  • AS174 Cogent Communications, LLC3,744 paths
  • AS9002 RETN Limited3,166 paths
  • AS34549 meerfarbig GmbH & Co. KG3,109 paths
  • AS6762 Telecom Italia Sparkle (Seabone)2,924 paths
  • AS2914 NTT America, Inc.2,842 paths
  • AS6453 TATA Communications (America) Inc2,244 paths
  • AS6461 Zayo Bandwidth2,126 paths
  • AS38008 Aperture Science Limited2,088 paths
  • AS48362 Stadtwerke Feldkirch2,083 paths

And 291 more

Downstreams

  • AS395747 Cloudflare, Inc.1,130 paths
  • AS14789 Cloudflare, Inc.893 paths
  • AS210356 KAUA REIS DA SILVA trading as BattleHost704 paths
  • AS202623 Cloudflare Inc520 paths
  • AS30103 Zoom Video Communications, Inc504 paths
  • AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED479 paths
  • AS132839 POWER LINE DATACENTER476 paths
  • AS270824 ENX Services473 paths
  • AS397032 SPARKED HOST LLC473 paths
  • AS4907 IENS TECHNOLOGY PTE. LTD472 paths
  • AS215703 FREAKHOSTING LTD472 paths
  • AS149440 Evoxt Sdn. Bhd.470 paths

And 1,030 more

From RIPEstat

Routes AS13335 announces

2,544 IPv4 prefixes covering 1,415,680 addresses, and 3,138 IPv6 prefixes

IPv6

And 3,088 more

From bgp.tools

Blocklists

  • Spamhaus ZEN Not listed
  • SpamCop Not listed
  • Mailspike Not listed
  • PSBL Not listed

WHOIS

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


NetRange:       104.16.0.0 - 104.31.255.255
CIDR:           104.16.0.0/12
NetName:        CLOUDFLARENET
NetHandle:      NET-104-16-0-0-1
Parent:         NET104 (NET-104-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Cloudflare, Inc. (CLOUD14)
RegDate:        2014-03-28
Updated:        2024-09-04
Comment:        All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Comment:        Geofeed: https://api.cloudflare.com/local-ip-ranges.csv
Ref:            https://rdap.arin.net/registry/ip/104.16.0.0



OrgName:        Cloudflare, Inc.
OrgId:          CLOUD14
Address:        101 Townsend Street
City:           San Francisco
StateProv:      CA
PostalCode:     94107
Country:        US
RegDate:        2010-07-09
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CLOUD14


OrgNOCHandle: CLOUD146-ARIN
OrgNOCName:   Cloudflare-NOC
OrgNOCPhone:  +1-650-319-8930 
OrgNOCEmail:  noc@cloudflare.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

OrgRoutingHandle: CLOUD146-ARIN
OrgRoutingName:   Cloudflare-NOC
OrgRoutingPhone:  +1-650-319-8930 
OrgRoutingEmail:  noc@cloudflare.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-650-319-8930 
OrgAbuseEmail:  abuse@cloudflare.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgTechHandle: ADMIN2521-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-650-319-8930 
OrgTechEmail:  rir@cloudflare.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-650-319-8930 
RAbuseEmail:  abuse@cloudflare.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName:   Admin
RTechPhone:  +1-650-319-8930 
RTechEmail:  rir@cloudflare.com
RTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName:   NOC
RNOCPhone:  +1-650-319-8930 
RNOCEmail:  noc@cloudflare.com
RNOCRef:    https://rdap.arin.net/registry/entity/NOC11962-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#