AS48121
Computer research center of Islamic seminary of Isfahan
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 |
|---|---|---|---|---|---|---|
| 91.222.199.0/24 | 256 |
0.0%
|
Computer research center of Islamic seminary of Isfahan | IR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS48121 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 |
|---|---|---|
| 91.222.199.0/24 | 74,757 | 2026-07-31 17:13:01 |
Frequently Asked Questions
What is AS48121?
AS48121 is an Autonomous System Number assigned to Computer research center of Islamic seminary of Isfahan. 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 AS48121 announce?
AS48121 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Iran.
Who operates AS48121?
AS48121 is operated by Computer research center of Islamic seminary of Isfahan. The organization is based in Iran. You can view all IP ranges and related ASNs on the organization page.
What country is AS48121 registered in?
AS48121 is registered in Iran. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.