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
2,606
IPv6 Prefixes
3,114
Hosted Domains
19.92M
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
39,437
Valid Prefixes
3,260
NotFound
2,460
Announced (BGP)
5,720
RPKI Coverage
57%

Geographic Footprint

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

Anycast
628,998
US
9,690
GB
4,485
SC
4,336
DE
4,151
HK
2,289
CA
2,014
SG
1,657
CN
1,536
NL
1,514
SE
950
FR
940

Top Open Ports

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

Port Open IPs
443 39,945
8443 39,170
2095 38,943
2096 38,822
2086 38,779
8880 37,912
2083 37,767
8080 37,628
2087 36,944
80 36,734
2082 36,720
515 5,164
53 4,754
444 4,694
9091 4,683