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
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 8 internet exchanges: GNM-IX, PITER-IX Moscow: MSK_PEERING_VLAN, MSK-IX Moscow: MSK-IX peering network, PITER-IX Saint-Petersburg: SPB_PEERING_VLAN, PITER-IX Tallinn: TLL_PEERING VLAN, PITER-IX Riga: RIX_PEERING_VLAN, PITER-IX Helsinki, PITER-IX Frankfurt
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 178.167.0.0/17 | 32.8K |
99.9%
|
Flex Ltd. | RU | Moscow | Moscow |
| 94.253.0.0/18 | 16.4K |
78.4%
|
Flex Ltd. | RU | Moscow | Moscow |
| 95.183.64.0/18 | 16.4K |
100.0%
|
Flex Ltd. | RU | Moscow Oblast | Elektrostal |
| 80.252.128.0/19 | 8.2K |
6.4%
|
Flex Ltd. | RU | Moscow Oblast | Noginsk |
| 94.253.96.0/19 | 8.2K |
100.0%
|
Flex Ltd. | RU | Moscow Oblast | Elektrostal |
| 178.57.224.0/19 | 8.2K |
100.0%
|
Flex Ltd. | RU | Moscow Oblast | Klin |
| 212.7.224.0/19 | 8.2K |
100.0%
|
Flex Ltd. | RU | Moscow Oblast | Pavlovskiy Posad |
| 80.84.112.0/20 | 4.1K |
99.9%
|
Flex Ltd. | RU | — | — |
| 94.253.64.0/20 | 4.1K |
100.0%
|
Flex Ltd. | RU | — | — |
| 31.31.64.0/21 | 2.0K |
100.0%
|
Flex Ltd. | RU | — | — |
| 88.84.200.0/21 | 2.0K |
2.4%
|
Flex Ltd. | RU | — | — |
| 88.84.216.0/21 | 2.0K |
2.0%
|
Flex Ltd. | RU | — | — |
| 88.84.196.0/22 | 1.0K |
2.4%
|
Flex Ltd. | RU | — | — |
| 88.84.212.0/22 | 1.0K |
0.3%
|
Flex Ltd. | RU | — | — |
| 185.5.148.0/22 | 1.0K |
99.6%
|
Flex Ltd. | RU | — | — |
| 88.84.194.0/23 | 512 |
1.2%
|
Flex Ltd. | RU | — | — |
| 88.84.210.0/23 | 512 |
1.0%
|
Flex Ltd. | RU | — | — |
| 88.84.192.0/24 | 256 |
3.1%
|
Flex Ltd. | RU | — | — |
| 88.84.209.0/24 | 256 |
1.6%
|
Flex Ltd. | RU | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21453 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 |
|---|---|---|
| 94.253.2.0/24 | 170,626 | 2026-10-21 15:50:16 |
| 95.183.64.0/18 | 162,662 | 2026-10-21 15:50:16 |
| 94.253.102.0/23 | 162,446 | 2026-10-21 15:50:16 |
| 178.167.64.0/19 | 160,468 | 2026-10-21 16:01:21 |
| 178.167.0.0/18 | 158,805 | 2026-10-21 15:50:16 |
| 212.7.224.0/19 | 139,651 | 2026-10-21 15:50:16 |
| 80.84.112.0/20 | 139,383 | 2026-10-21 15:50:16 |
| 94.253.0.0/18 | 130,907 | 2026-10-21 15:50:16 |
| 94.253.0.0/17 | 130,548 | 2026-10-21 15:50:16 |
| 94.253.96.0/19 | 130,036 | 2026-10-21 15:50:16 |
| 178.167.0.0/17 | 122,281 | 2026-10-21 15:50:16 |
| 178.167.96.0/19 | 118,305 | 2026-10-21 15:50:16 |
| 178.57.224.0/19 | 116,717 | 2026-10-21 15:50:16 |
| 31.31.64.0/21 | 107,399 | 2026-10-21 15:44:50 |
| 80.252.128.0/19 | 98,091 | 2026-10-21 15:44:50 |
| 88.84.192.0/19 | 97,822 | 2026-10-21 15:44:50 |
| 185.5.148.0/22 | 90,166 | 2026-10-21 15:44:50 |
Frequently Asked Questions
What is AS21453?
AS21453 is an Autonomous System Number assigned to Flex 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 AS21453 announce?
AS21453 announces 117.2K IPv4 addresses distributed across 19 routed CIDR prefixes. The network is registered in Russia.
Who operates AS21453?
AS21453 is operated by Flex Ltd.. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS21453 registered in?
AS21453 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
