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
3,114
Hosted Domains
19.66M
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
39,422
Valid Prefixes
3,257
NotFound
2,460
Announced (BGP)
5,717
RPKI Coverage
57%

Geographic Footprint

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

Anycast
626,128
US
9,643
GB
4,436
SC
4,315
DE
4,120
HK
2,277
CA
2,004
SG
1,652
CN
1,536
NL
1,502
SE
947
FR
934

Top Open Ports

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

Port Open IPs
443 42,511
8443 41,840
2095 41,720
2096 41,630
2086 41,546
8880 40,757
2083 40,604
8080 40,386
2087 39,903
2082 39,586
80 39,423
515 5,298
53 5,111
264 5,001
9091 4,948