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
20.13M
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
29,509
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
631,042
US
9,726
GB
4,514
SC
4,345
DE
4,173
HK
2,290
CA
2,018
SG
1,660
CN
1,536
NL
1,526
SE
954
FR
943

Top Open Ports

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

Port Open IPs
443 41,911
8443 41,094
2095 40,925
2096 40,763
2086 40,725
8880 39,761
2083 39,665
8080 39,551
2087 38,789
80 38,614
2082 38,480
515 5,466
53 5,000
49 4,920
2484 4,917