All ASNs

Autonomous System details for AS21453

AS21453

Flex Ltd. • flex.ru

AS21453 — Flex Ltd.

AS Name

FLEX-AS

Country

Russia (RU)

Website

flex.ru

Number of IPv4

179,968

Number of IPv6

3.96 × 10²⁹

ASN type

ISP

Status

Allocated

Registry

RIPE

Allocated

June 26, 2002

Last updated

May 21, 2026

IP Ranges

17 IPv4 prefixes, 2 IPv6 prefixes

Prefix	Company	Number of IPs
31.31.64.0/21	VAENGA Ltd.	2,048
80.84.112.0/20	Flex Ltd.	4,096
80.252.128.0/19	Flex Ltd.	8,192
88.84.192.0/19	Flex Ltd.	8,192
94.253.0.0/17	Flex Ltd.	32,768
94.253.0.0/18	Flex Ltd.	16,384
94.253.2.0/24	Flex Ltd.	256
94.253.96.0/19	Flex broadband users	8,192
94.253.102.0/23	Flex broadband users	512
95.183.64.0/18	Flex Ltd.	16,384
178.57.224.0/19	Flex Ltd.	8,192
178.167.0.0/17	Flex Ltd.	32,768
178.167.0.0/18	Flex Ltd.	16,384
178.167.64.0/19	Flex broadband users	8,192
178.167.96.0/19	Flex broadband users	8,192
185.5.148.0/22	Flex Ltd.	1,024
212.7.224.0/19	Flex Ltd.	8,192
2a01:4200::/30	Flex Ltd.	3.17 × 10²⁹
2a01:4200::/32	Flex Ltd.	7.92 × 10²⁸

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS21453

22 peers

AS3170 AS8218 AS24940 AS25091 AS42295 AS47692 AS49434 AS49673 AS50182 AS50673 AS137409 AS199524 AS205112 AS209823 AS24482 AS29479 AS32590 AS37721 AS41327 AS41722 AS49544 AS208972

AS21453 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS21453

12 upstreams

AS1299 AS3216 AS8641 AS9002 AS12389 AS20485 AS20764 AS28917 AS29076 AS35598 AS57304 AS62255

AS21453 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS21453 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS21453

11 downstreams

AS34975 AS35271 AS41783 AS43567 AS48149 AS49893 AS50449 AS57489 AS201646 AS213503 AS216335

AS21453 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.