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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →AS31721 — global IP footprint
Cities where AS31721 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 5.191.0.0/17 | 32.8K |
0.2%
|
Azercell Telecom Ltd | AZ | Baku City | Baku |
| 5.191.128.0/18 | 16.4K |
0.0%
|
Azercell Telecom Ltd | AZ | Baku City | Baku |
| 5.191.192.0/19 | 8.2K |
0.0%
|
Azercell Telecom Ltd | AZ | — | — |
| 5.191.224.0/20 | 4.1K |
0.0%
|
Azercell Telecom Ltd | AZ | — | — |
| 217.168.176.0/20 | 4.1K |
0.2%
|
Azercell Telecom Ltd | AZ | — | — |
| 62.217.136.0/23 | 512 |
91.2%
|
Azercell Telecom Ltd | AZ | Baku City | Baku |
| 62.217.133.0/24 | 256 |
89.8%
|
Azercell Telecom Ltd | AZ | Baku City | Baku |
| 62.217.135.0/24 | 256 |
89.8%
|
Azercell Telecom Ltd | AZ | — | — |
| 62.217.139.0/24 | 256 |
93.8%
|
Azercell Telecom Ltd | AZ | Baku City | Baku |
| 62.217.143.0/24 | 256 |
95.7%
|
Azercell Telecom Ltd | AZ | Baku City | Baku |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS31721 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 |
|---|---|---|
| 5.191.160.0/20 | 45,096 | 2026-07-18 11:36:00 |
| 217.168.176.0/24 | 36,503 | 2026-07-18 11:39:17 |
| 217.168.176.0/20 | 32,628 | 2026-07-18 11:39:17 |
| 5.191.33.0/24 | 30,633 | 2026-07-18 11:37:49 |
| 5.191.34.0/24 | 30,262 | 2026-07-18 11:37:49 |
| 5.191.103.0/24 | 29,955 | 2026-07-18 11:37:49 |
| 5.191.120.0/24 | 29,810 | 2026-07-18 11:37:49 |
| 5.191.124.0/24 | 29,800 | 2026-07-18 11:37:49 |
| 5.191.100.0/24 | 29,800 | 2026-07-18 11:37:49 |
| 5.191.102.0/24 | 29,792 | 2026-07-18 11:37:49 |
| 5.191.122.0/24 | 29,790 | 2026-07-18 11:37:49 |
| 5.191.101.0/24 | 29,778 | 2026-07-18 11:37:49 |
| 5.191.114.0/24 | 29,756 | 2026-07-18 11:37:49 |
| 5.191.112.0/24 | 29,737 | 2026-07-18 11:37:49 |
| 5.191.119.0/24 | 29,731 | 2026-07-18 11:37:49 |
| 5.191.116.0/24 | 29,718 | 2026-07-18 11:37:49 |
| 5.191.113.0/24 | 29,716 | 2026-07-18 11:37:49 |
| 5.191.121.0/24 | 29,712 | 2026-07-18 11:37:49 |
| 5.191.111.0/24 | 29,699 | 2026-07-18 11:37:49 |
| 5.191.125.0/24 | 29,697 | 2026-07-18 11:37:49 |
| 5.191.115.0/24 | 29,693 | 2026-07-18 11:37:49 |
| 5.191.118.0/24 | 29,672 | 2026-07-18 11:37:49 |
| 5.191.123.0/24 | 29,669 | 2026-07-18 11:37:49 |
| 5.191.117.0/24 | 29,653 | 2026-07-18 11:37:49 |
| 5.191.110.0/24 | 29,645 | 2026-07-18 11:37:49 |
| 5.191.104.0/24 | 29,643 | 2026-07-18 11:37:49 |
| 5.191.108.0/24 | 29,638 | 2026-07-18 11:37:49 |
| 5.191.109.0/24 | 29,607 | 2026-07-18 11:37:49 |
| 5.191.106.0/24 | 29,589 | 2026-07-18 11:37:49 |
| 5.191.105.0/24 | 29,560 | 2026-07-18 11:37:49 |
| 5.191.107.0/24 | 29,533 | 2026-07-18 11:37:49 |
| 5.191.191.0/24 | 29,383 | 2026-07-18 11:37:49 |
| 5.191.224.0/20 | 23,988 | 2026-07-18 11:37:49 |
| 5.191.176.0/20 | 23,351 | 2026-07-18 11:37:49 |
| 5.191.112.0/20 | 23,080 | 2026-07-18 11:37:49 |
| 5.191.32.0/20 | 23,062 | 2026-07-18 11:37:49 |
| 5.191.80.0/20 | 23,057 | 2026-07-18 11:37:49 |
| 5.191.16.0/20 | 23,007 | 2026-07-18 11:37:49 |
| 5.191.128.0/20 | 22,699 | 2026-07-18 11:37:49 |
| 62.217.133.0/24 | 22,593 | 2026-07-18 11:37:49 |
| 62.217.136.0/24 | 22,570 | 2026-07-18 11:37:49 |
| 5.191.0.0/20 | 22,556 | 2026-07-18 11:37:49 |
| 62.217.139.0/24 | 22,523 | 2026-07-18 11:37:49 |
| 5.191.96.0/20 | 22,522 | 2026-07-18 11:37:49 |
| 62.217.143.0/24 | 22,493 | 2026-07-18 11:37:49 |
| 62.217.135.0/24 | 22,492 | 2026-07-18 11:37:49 |
| 62.217.137.0/24 | 22,462 | 2026-07-18 11:37:49 |
| 5.191.48.0/20 | 22,444 | 2026-07-18 11:37:49 |
| 5.191.144.0/20 | 22,271 | 2026-07-18 11:37:49 |
| 5.191.64.0/20 | 21,973 | 2026-07-18 11:37:49 |
Showing top 50 of 54 announced prefixes by sample volume.
Frequently Asked Questions
What is AS31721?
AS31721 is an Autonomous System Number assigned to Azercell Telecom 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 AS31721 announce?
AS31721 announces 67.1K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in Azerbaijan.
Who operates AS31721?
AS31721 is operated by Azercell Telecom Ltd. The organization is based in Azerbaijan. You can view all IP ranges and related ASNs on the organization page.
What country is AS31721 registered in?
AS31721 is registered in Azerbaijan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
