Check-Host.cc

Autonomous System

AS13335 · Cloudflare

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Announced IPs
1.51M
IPv4
IPv4 Prefixes
2,603
IPv6 Prefixes
3,113
Hosted Domains
19.62M
resolve into this AS
Peers
1,486
Customers
1,012

AS Profile

AS Name
Cloudflare
AS Type
Content
Scope
Global
IRR AS-SET
AS13335:AS-CLOUDFLARE
RIR
ARIN
Country
US
Allocated
2010-07-14

RPKI Validity

Total ROAs
24,539
Valid Prefixes
3,256
NotFound
2,460
Announced (BGP)
5,716
RPKI Coverage
57%

Geographic Footprint

Countries where this AS's scanned IPs are geolocated, by open-IP count.

Anycast
625,101
US
9,624
GB
4,424
SC
4,307
DE
4,115
HK
2,273
CA
2,004
SG
1,652
CN
1,536
NL
1,500
SE
945
FR
933

Top Open Ports

Most common open ports across IPs in this AS (last 30 days).

Port Open IPs
443 41,774
8443 41,192
2095 40,967
2096 40,837
2086 40,782
8880 40,056
2083 39,879
8080 39,688
2087 39,165
2082 38,925
80 38,738
515 5,195
53 5,050
264 4,943
9091 4,861