AS30264
Columbia Power and Water Systems
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 66.211.16.0/20 | 4.1K |
97.0%
|
Columbia Power and Water Systems | US | Tennessee | Columbia |
| 76.9.160.0/20 | 4.1K |
99.0%
|
Columbia Power and Water Systems | US | Tennessee | Columbia |
| 138.43.216.0/21 | 2.0K |
94.6%
|
Columbia Power and Water Systems | US | Tennessee | Columbia |
| 138.43.212.0/22 | 1.0K |
95.2%
|
Columbia Power and Water Systems | US | Tennessee | Columbia |
| 138.43.210.0/23 | 512 |
95.7%
|
Columbia Power and Water Systems | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS30264 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 66.211.26.0/24 | 35,316 | 2026-07-31 01:46:39 |
| 66.211.24.0/24 | 35,301 | 2026-07-31 01:46:39 |
| 66.211.21.0/24 | 35,290 | 2026-07-31 01:46:39 |
| 66.211.28.0/24 | 35,268 | 2026-07-31 01:46:39 |
| 66.211.22.0/24 | 35,260 | 2026-07-31 01:46:39 |
| 66.211.25.0/24 | 35,220 | 2026-07-31 01:46:39 |
| 66.211.20.0/24 | 35,201 | 2026-07-31 01:46:39 |
| 66.211.29.0/24 | 35,158 | 2026-07-31 01:46:39 |
| 66.211.27.0/24 | 35,155 | 2026-07-31 01:46:39 |
| 66.211.18.0/24 | 35,153 | 2026-07-31 01:46:39 |
| 66.211.19.0/24 | 35,135 | 2026-07-31 01:46:39 |
| 76.9.168.0/24 | 34,897 | 2026-07-31 01:46:39 |
| 76.9.174.0/24 | 34,891 | 2026-07-31 01:46:39 |
| 76.9.162.0/24 | 34,889 | 2026-07-31 01:46:39 |
| 76.9.170.0/24 | 34,886 | 2026-07-31 01:46:39 |
| 76.9.163.0/24 | 34,878 | 2026-07-31 01:46:39 |
| 76.9.172.0/24 | 34,870 | 2026-07-31 01:46:39 |
| 76.9.166.0/24 | 34,853 | 2026-07-31 01:46:39 |
| 76.9.173.0/24 | 34,849 | 2026-07-31 01:46:39 |
| 76.9.161.0/24 | 34,847 | 2026-07-31 01:46:39 |
| 76.9.160.0/24 | 34,822 | 2026-07-31 01:46:39 |
| 76.9.167.0/24 | 34,811 | 2026-07-31 01:46:39 |
| 76.9.165.0/24 | 34,811 | 2026-07-31 01:46:39 |
| 76.9.169.0/24 | 34,742 | 2026-07-31 01:46:39 |
| 66.211.20.0/22 | 33,990 | 2026-07-31 01:47:13 |
| 66.211.28.0/22 | 33,975 | 2026-07-31 01:47:13 |
| 66.211.16.0/22 | 33,975 | 2026-07-31 01:47:13 |
| 66.211.24.0/22 | 33,969 | 2026-07-31 01:47:13 |
| 66.211.16.0/20 | 33,942 | 2026-07-31 01:47:13 |
| 138.43.222.0/24 | 33,887 | 2026-07-31 01:46:39 |
| 138.43.214.0/24 | 33,830 | 2026-07-31 01:46:39 |
| 138.43.215.0/24 | 33,810 | 2026-07-31 01:46:39 |
| 138.43.220.0/24 | 33,774 | 2026-07-31 01:46:39 |
| 138.43.223.0/24 | 33,765 | 2026-07-31 01:46:39 |
| 138.43.221.0/24 | 33,765 | 2026-07-31 01:46:39 |
| 138.43.213.0/24 | 33,755 | 2026-07-31 01:46:39 |
| 76.9.168.0/22 | 33,294 | 2026-07-31 01:47:13 |
| 76.9.160.0/22 | 33,275 | 2026-07-31 01:47:13 |
| 76.9.172.0/22 | 33,273 | 2026-07-31 01:47:13 |
| 76.9.160.0/20 | 33,270 | 2026-07-31 01:47:13 |
| 76.9.164.0/22 | 33,212 | 2026-07-31 01:47:13 |
| 138.43.212.0/22 | 32,272 | 2026-07-31 01:47:13 |
| 138.43.216.0/21 | 32,210 | 2026-07-31 01:47:13 |
| 138.43.210.0/23 | 31,586 | 2026-07-31 01:47:13 |
| 138.43.216.0/24 | 4,057 | 2026-07-31 01:46:39 |
Frequently Asked Questions
What is AS30264?
AS30264 is an Autonomous System Number assigned to Columbia Power and Water Systems. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS30264 announce?
AS30264 announces 11.8K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.
Who operates AS30264?
AS30264 is operated by Columbia Power and Water Systems. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS30264 registered in?
AS30264 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
