AS57986
Sigma IT Infrastructures Development Co. (Ltd.)
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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 45.15.200.0/22 | 1.0K |
0.2%
|
Sigma IT Infrastructures Development Co. (Ltd.) | IR | — | — |
| 85.133.198.0/24 | 256 |
98.4%
|
Sigma IT Infrastructures Development Co. (Ltd.) | IR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57986 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 |
|---|---|---|
| 45.15.201.0/24 | 212,984 | 2026-08-04 05:40:03 |
| 45.15.202.0/24 | 212,923 | 2026-08-04 05:40:03 |
| 85.133.198.0/24 | 208,512 | 2026-08-04 05:54:36 |
| 45.15.203.0/24 | 137,845 | 2026-08-04 05:54:36 |
| 45.15.200.0/24 | 128,486 | 2026-08-04 05:40:03 |
Frequently Asked Questions
What is AS57986?
AS57986 is an Autonomous System Number assigned to Sigma IT Infrastructures Development Co. (Ltd.). 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 AS57986 announce?
AS57986 announces 1.3K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Iran.
Who operates AS57986?
AS57986 is operated by Sigma IT Infrastructures Development Co. (Ltd.). The organization is based in Iran. You can view all IP ranges and related ASNs on the organization page.
What country is AS57986 registered in?
AS57986 is registered in Iran. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
