AS266737
Data as of 2026-08-30
Handle
Cluster stats
| Netblocks | 8 · 2,048 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2801:12:7000::/48) |
| Registered in | CO (3) · United States (2) |
| Cluster ID | 233274881 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | RIR handle |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
7 weekly snapshots · JSON
8
-5 netblocks since 2026-07-13
2026-07-13
peak 13
2026-08-30
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 38.211.70.0/24 | AS266737 | BGP | ANNOUNCED | ● high |
| 38.211.71.0/24 | AS266737 | BGP | ANNOUNCED | ● high |
| 45.231.184.0/22 | AS266737 | BGP | ANNOUNCED | ● high |
| 177.73.152.0/24 | AS266737 | BGP | ANNOUNCED | ● high |
| 177.73.154.0/24 | AS266737 | BGP | ANNOUNCED | ● high |
| 2801:12:7000::/48 | AS266737 | BGP | ANNOUNCED | ● high |
| 2803:1780::/48 | AS266737 | BGP | ANNOUNCED | ● high |
| 2803:b5a0:400c::/48 | AS266737 | BGP | ANNOUNCED | ● high |
IPv6 ranges (3)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
Possible discrepancies (2)
These blocks are registered to AS266737 but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 177.73.152.0/24 /24 | authorized for AS264646 — AS264646 |
| 177.73.154.0/24 /24 | authorized for AS264646 — AS264646 |
NIC Handles
AS266737