AS26020
Space Telescope Science Institute
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
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 130.167.128.0/17 | 32.8K |
1.3%
|
Space Telescope Science Institute | US | Maryland | Baltimore |
| 192.31.210.0/24 | 256 |
0.0%
|
Space Telescope Science Institute | US | Maryland | Sparks |
| 192.83.252.0/24 | 256 |
1.2%
|
Space Telescope Science Institute | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS26020 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 |
|---|---|---|
| 130.167.201.0/24 | 17,088 | 2026-07-28 23:24:40 |
| 130.167.128.0/17 | 11,170 | 2026-07-28 23:24:58 |
| 192.31.210.0/24 | 10,520 | 2026-07-28 23:24:33 |
| 192.83.252.0/24 | 10,470 | 2026-07-28 23:24:56 |
Frequently Asked Questions
What is AS26020?
AS26020 is an Autonomous System Number assigned to Space Telescope Science Institute. 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 AS26020 announce?
AS26020 announces 33.3K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.
Who operates AS26020?
AS26020 is operated by Space Telescope Science Institute. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS26020 registered in?
AS26020 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
