$ query “AS13335” --type=asn → 1 result(s)

AS13335 — CLOUDFLARENET (CLOUDFLARENET ☁️)

Cloudflare Inc.

AS13335 is a major transit provider operated by Cloudflare Inc., established in the United States in 2010. The network announces an impressive 1.4 million IPv4 addresses, including a /14. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #59 by Degree — Top 100 by unique BGP neighbor count

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 14, 2010
Last Changed
March 04, 2026
Last Seen
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 455 / 828
IPv6 Prefixes (raw / aggregated)
3 060 / 1 695
IPv4 Addresses
1 372 672
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇺🇸 US (747 IPs), 🇬🇧 GB (10 IPs), 🇿🇿 ZZ (2 IPs), 🇸🇬 SG, 🇦🇺 AU, 🇩🇪 DE, 🇭🇰 HK, 🇳🇱 NL, 🇰🇷 KR, 🇨🇦 CA, 🇨🇳 CN, 🇦🇲 AM, 🇨🇼 CW, 🇿🇦 ZA and 34 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 202 flagged IPs out of 1 372 672 total (0.01%)
Tor Exit Nodes
1 known Tor exit nodes in this network
Open Proxies
42 known open proxies in this network

Connectivity Summary

Upstream Providers
160 upstream autonomous systems providing transit
Peers
808 autonomous systems exchanging traffic without transit fees
Downstream Customers
936 downstream autonomous systems buying transit
Degree
1 944 unique BGP neighbors (providers + customers + peers)
Reach
34 925 — customer cone size measuring network influence
Degree Rank
#59
Reach Rank
#364

Upstream Providers (160)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS37468 — ANGOLA-CABLES
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS3216 — SOVAM-AS
  • AS37100 — SEACOM-AS
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS30844 — LIQUID-AS
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • and 150 more

Prefix Lists

IPv4 Prefixes (2 455 total)

  • 104.16.0.0/14 (262 144 addresses)
  • 104.25.0.0/16 (65 536 addresses)
  • 104.28.0.0/16 (65 536 addresses)
  • 172.65.0.0/16 (65 536 addresses)
  • 104.21.0.0/17 (32 768 addresses)
  • 104.24.128.0/17 (32 768 addresses)
  • 104.27.0.0/17 (32 768 addresses)
  • 152.114.0.0/17 (32 768 addresses)
  • 172.67.128.0/17 (32 768 addresses)
  • 104.20.0.0/18 (16 384 addresses)
  • 104.24.0.0/18 (16 384 addresses)
  • 104.29.128.0/18 (16 384 addresses)
  • 150.48.128.0/18 (16 384 addresses)
  • 152.114.128.0/18 (16 384 addresses)
  • 162.159.0.0/18 (16 384 addresses)
  • 172.67.64.0/18 (16 384 addresses)
  • 204.195.192.0/18 (16 384 addresses)
  • 104.21.192.0/19 (8 192 addresses)
  • 104.24.64.0/19 (8 192 addresses)
  • 104.30.0.0/19 (8 192 addresses)
  • 104.30.160.0/19 (8 192 addresses)
  • 162.158.160.0/19 (8 192 addresses)
  • 162.159.128.0/19 (8 192 addresses)
  • 172.64.32.0/19 (8 192 addresses)
  • 172.66.128.0/19 (8 192 addresses)
  • 104.21.224.0/20 (4 096 addresses)
  • 104.23.160.0/20 (4 096 addresses)
  • 104.23.208.0/20 (4 096 addresses)
  • 104.23.224.0/20 (4 096 addresses)
  • 104.26.0.0/20 (4 096 addresses)
  • 104.27.192.0/20 (4 096 addresses)
  • 104.29.64.0/20 (4 096 addresses)
  • 108.162.192.0/20 (4 096 addresses)
  • 141.101.112.0/20 (4 096 addresses)
  • 162.158.112.0/20 (4 096 addresses)
  • 162.158.224.0/20 (4 096 addresses)
  • 162.159.64.0/20 (4 096 addresses)
  • 162.159.240.0/20 (4 096 addresses)
  • 172.64.80.0/20 (4 096 addresses)
  • 172.64.144.0/20 (4 096 addresses)
  • 172.64.208.0/20 (4 096 addresses)
  • 172.64.240.0/20 (4 096 addresses)
  • 172.66.160.0/20 (4 096 addresses)
  • 172.66.192.0/20 (4 096 addresses)
  • 172.68.16.0/20 (4 096 addresses)
  • 172.69.128.0/20 (4 096 addresses)
  • 172.70.32.0/20 (4 096 addresses)
  • 172.70.128.0/20 (4 096 addresses)
  • 172.70.176.0/20 (4 096 addresses)
  • 172.70.208.0/20 (4 096 addresses)

IPv6 Prefixes (3 060 total)

  • 2a0a:6c80::/29
  • 2a09:bac4::/30
  • 2a09:bac2::/31
  • 2405:b500::/32
  • 2606:54c0::/32
  • 2a09:bac1::/32
  • 2c0f:f248::/32
  • 2607:8940:2000::/35
  • 2606:4700::/36
  • 2405:8100:c000::/38
  • 2602:f660::/40
  • 2606:4700:3000::/42
  • 2606:4700:4000::/43
  • 2606:4700:90c0::/43
  • 2401:c2e0:8000::/44
  • 2606:4700:3110::/44
  • 2606:4700:4400::/44
  • 2606:4700:8390::/44
  • 2606:4700:83b0::/44
  • 2606:4700:8ca0::/44
  • 2606:4700:8d70::/44
  • 2606:4700:8d90::/44
  • 2606:4700:8dd0::/44
  • 2606:4700:8de0::/44
  • 2606:4700:91b0::/44
  • 2606:4700:9640::/44
  • 2606:4700:9760::/44
  • 2606:4700:99e0::/44
  • 2606:4700:9a60::/44
  • 2606:4700:9a90::/44
  • 2606:4700:9ad0::/44
  • 2606:4700:9ae0::/44
  • 2606:4700:9b00::/44
  • 2606:4700:9c60::/44
  • 2a02:d21:20::/44
  • 2a06:98c0:1c20::/44
  • 2a06:98c0:1c60::/44
  • 2a06:98c0:1c80::/44
  • 2a06:98c1:3100::/44
  • 2400:cb00:50::/45
  • 2400:cb00:190::/45
  • 2400:cb00:670::/45
  • 2400:cb00:960::/45
  • 2400:cb00:980::/45
  • 2400:cb00:1000::/45
  • 2405:8100:50::/45
  • 2606:4700:4020::/45
  • 2606:4700:4030::/45
  • 2606:4700:42c8::/45
  • 2606:4700:43d8::/45