Quad9

BGP inherited
Cluster stats
Netblocks11
All fragments 17 blocks across 3 clusters
Cluster ID204418429
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

Footprint over time

4 weekly snapshots · JSON
11 +1 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-13

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
9.9.9.0/24 Quad9 BGP ANNOUNCED ● high
66.220.52.0/23 Quad9 ARIN ● 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 BGP ANNOUNCED ● high
199.249.255.0/24 Quad9 BGP ANNOUNCED ● high
2602:807:e000::/48 Quad9 BGP ANNOUNCED ● high
2602:807:e001::/48 Quad9 BGP ANNOUNCED ● high
2620:fe::/48 Quad9 BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (11 of 11)
Possible discrepancies (3)

These blocks are registered to Quad9 but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

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

NIC Handles

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