Quad9

Data as of 2026-08-30
BGP inherited
Cluster stats
Netblocks16 · 3,088 IPv4 addresses
IPv6 5 prefixes (largest 2602:807:e000::/40)
All fragments 27 blocks across 3 clusters
Cluster ID233273635
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

10 weekly snapshots · JSON
21 +11 netblocks since 2026-07-05
2026-07-05 peak 21 2026-08-30

IP Ranges (16)

⬇ export CSV
CIDR Org name Registry Status Confidence
9.9.9.0/24 Quad9 BGP ANNOUNCED ● high
66.220.52.0/23 Quad9 ARIN DIRECT ALLOCATION ● high
68.65.126.0/24 Quad9 BGP ANNOUNCED ● high
68.65.127.0/24 Quad9 BGP ANNOUNCED ● high
147.72.242.0/24 Quad9 BGP ANNOUNCED ● high
149.112.112.0/24 Quad9 BGP ANNOUNCED ● high
149.112.149.0/24 Quad9 ARIN DIRECT ALLOCATION ● high
162.216.98.0/23 Quad9 ARIN DIRECT ALLOCATION ● high
164.113.205.224/28 Quad9 ARIN ASSIGNMENT ● high
199.249.255.0/24 Quad9 ARIN DIRECT ALLOCATION ● high
216.21.3.0/24 Quad9 ARIN DIRECT ALLOCATION ● high
2001:49d0:3403::/56 Quad9 ARIN ASSIGNMENT ● high
2602:807:e000::/48 Quad9 BGP ANNOUNCED ● high
2602:807:e000::/40 Quad9 ARIN DIRECT ALLOCATION ● high
2602:807:e001::/48 Quad9 BGP ANNOUNCED ● high
2620:fe::/48 Quad9 ARIN DIRECT ALLOCATION ● high

IPv6 ranges (5)

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: A how networks compare →
95.2% of checked blocks have valid RPKI ROA coverage (20 of 21)
Possible discrepancies (5)

These blocks are registered to Quad9 but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:49d0:3403::/56 /56 authorized for AS2495 — Kansas Research and Education Network
68.65.126.0/24 /24 authorized for AS42 — WoodyNet, Inc.
68.65.127.0/24 /24 authorized for AS42 — WoodyNet, Inc.
147.72.242.0/24 /24 authorized for AS5050 — Pittsburgh Supercomputing Center
216.21.3.0/24 /24 authorized for AS715 — WoodyNet, Inc.

NIC Handles

AS19281 AS398891 CLEAN-97 KARAD10-ARIN QNO5-ARIN QNO5-ARIN QUADA-ARIN QUADA1-ARIN SHRES60-ARIN