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
19.71M
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
24,542
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
626,649
US
9,653
GB
4,442
SC
4,319
DE
4,127
HK
2,279
CA
2,006
SG
1,654
CN
1,536
NL
1,505
SE
947
FR
935

Top Open Ports

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

Port Open IPs
443 42,965
8443 42,320
2095 42,184
2096 42,109
2086 42,001
8880 41,223
2083 41,059
8080 40,833
2087 40,337
2082 40,013
80 39,889
515 5,371
53 5,149
264 5,045
9091 4,988