AS208903
Federal State Budgetary Institution Budker Institute of Nuclear Physics of Siberian Branch
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
- Government allocation +8
- Trust score 73 / 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 |
|---|---|---|---|---|---|---|
| 84.237.42.0/23 | 512 |
44.9%
|
Federal State Budgetary Institution Budker Institute of Nuclear Physics of Siberian Branch | RU | — | — |
| 144.206.221.0/24 | 256 |
0.0%
|
Federal State Budgetary Institution Budker Institute of Nuclear Physics of Siberian Branch | RU | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS208903 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 |
|---|---|---|
| 84.237.42.0/23 | 11,160 | 2026-07-31 01:28:32 |
| 144.206.221.0/24 | 7,519 | 2026-07-31 01:29:02 |
Frequently Asked Questions
What is AS208903?
AS208903 is an Autonomous System Number assigned to Federal State Budgetary Institution Budker Institute of Nuclear Physics of Siberian Branch. 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 AS208903 announce?
AS208903 announces 768 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Russia.
Who operates AS208903?
AS208903 is operated by Federal State Budgetary Institution Budker Institute of Nuclear Physics of Siberian Branch. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS208903 registered in?
AS208903 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
