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
20.11M
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
24,545
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
630,737
US
9,719
GB
4,511
SC
4,344
DE
4,171
HK
2,290
CA
2,017
SG
1,659
CN
1,536
NL
1,525
SE
954
FR
943

Top Open Ports

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

Port Open IPs
443 41,680
8443 40,851
2095 40,707
2096 40,512
2086 40,496
8880 39,532
2083 39,455
8080 39,304
2087 38,550
80 38,357
2082 38,253
515 5,440
53 4,967
49 4,885
2484 4,883