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
19.81M
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
19,581
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
627,790
US
9,674
GB
4,466
SC
4,327
DE
4,140
HK
2,285
CA
2,012
SG
1,654
CN
1,536
NL
1,508
SE
949
FR
935

Top Open Ports

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

Port Open IPs
443 44,051
8443 43,396
2095 43,190
2096 43,180
2086 43,066
8880 42,232
2083 42,138
8080 41,858
2087 41,310
2082 40,963
80 40,912
515 5,534
53 5,253
264 5,155
9091 5,126