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 |
|---|---|---|---|---|---|---|
| 202.40.176.0/20 | 4.1K |
81.9%
|
Ranks ITT Ltd. | BD | Dhaka Division | Dhaka |
| 103.35.108.0/22 | 1.0K |
87.7%
|
Ranks ITT Ltd. | BD | — | — |
| 103.111.88.0/23 | 512 |
0.0%
|
Ranks ITT Ltd. | BD | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS23991 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 |
|---|---|---|
| 103.35.108.0/22 | 118,323 | 2026-07-27 14:23:33 |
| 103.35.108.0/24 | 111,824 | 2026-07-27 14:23:27 |
| 103.35.109.0/24 | 110,574 | 2026-07-27 14:23:33 |
| 103.111.88.0/24 | 107,647 | 2026-07-27 14:23:36 |
| 202.40.181.0/24 | 107,543 | 2026-07-27 13:45:55 |
| 202.40.189.0/24 | 102,732 | 2026-07-27 13:57:14 |
| 202.40.183.0/24 | 102,204 | 2026-07-27 13:53:14 |
| 202.40.184.0/24 | 102,070 | 2026-07-27 13:53:14 |
| 202.40.178.0/24 | 101,763 | 2026-07-27 13:53:14 |
| 202.40.187.0/24 | 101,738 | 2026-07-27 14:06:27 |
| 202.40.180.0/24 | 101,679 | 2026-07-27 13:57:45 |
| 202.40.179.0/24 | 101,635 | 2026-07-27 13:53:14 |
| 202.40.188.0/24 | 101,261 | 2026-07-27 13:57:45 |
| 202.40.177.0/24 | 100,327 | 2026-07-27 13:57:14 |
| 202.40.182.0/24 | 96,337 | 2026-07-27 13:57:14 |
| 202.40.186.0/24 | 95,821 | 2026-07-27 13:57:45 |
| 202.40.190.0/24 | 95,668 | 2026-07-27 13:53:14 |
| 103.111.88.0/23 | 54,086 | 2026-07-27 14:23:36 |
| 103.111.89.0/24 | 50,482 | 2026-07-27 14:23:29 |
| 202.40.176.0/24 | 42,620 | 2026-07-27 13:57:45 |
| 202.40.185.0/24 | 41,855 | 2026-07-27 13:57:14 |
| 103.35.110.0/24 | 40,577 | 2026-07-27 14:23:38 |
| 103.35.111.0/24 | 40,235 | 2026-07-27 14:23:38 |
| 202.40.191.0/24 | 15,414 | 2026-07-27 12:13:24 |
| 202.72.232.0/24 | 175 | 2026-06-21 17:30:52 |
Frequently Asked Questions
What is AS23991?
AS23991 is an Autonomous System Number assigned to Ranks ITT 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 AS23991 announce?
AS23991 announces 5.6K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Bangladesh.
Who operates AS23991?
AS23991 is operated by Ranks ITT Ltd.. The organization is based in Bangladesh. You can view all IP ranges and related ASNs on the organization page.
What country is AS23991 registered in?
AS23991 is registered in Bangladesh. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
