All ASNs

Autonomous System details for AS203596

AS203596

CELYA SAS • celya.fr

AS203596 — CELYA SAS

AS Name

CELYA

Country

France (FR)

Website

celya.fr

Number of IPv4

6,144

Number of IPv6

7.13 × 10²⁹

ASN type

ISP

Status

Allocated

Registry

RIPE

Allocated

December 04, 2015

Last updated

September 18, 2025

IP Ranges

18 IPv4 prefixes, 5 IPv6 prefixes

Prefix	Company	Number of IPs
91.213.223.0/24	CELYA SAS	256
91.216.15.0/24	CELYA SAS	256
91.216.39.0/24	CELYA SAS	256
185.14.176.0/24	FOR INTERNAL USE	256
185.14.178.0/24	FIRSTWAN	256
185.122.100.0/22	CELYA SAS	1,024
185.122.100.0/24	CELYA SAS	256
185.122.102.0/24	celya FAI1	256
185.122.103.0/24	Celya FAI2	256
185.222.88.0/22	CELYA SAS	1,024
185.222.89.0/24	CELYA SAS	256
185.222.90.0/24	CELYA SAS	256
185.222.91.0/24	CELYA SAS	256
193.108.216.0/24	ASSOCIATION O.R.T.	256
193.109.0.0/24	ASSOCIATION O.R.T.	256
193.109.1.0/24	ASSOCIATION O.R.T.	256
193.109.2.0/24	ASSOCIATION O.R.T.	256
193.109.3.0/24	ASSOCIATION O.R.T.	256
2a06:a400::/29	CELYA SAS	6.34 × 10²⁹
2a06:a400:20::/44	CELYA SAS	1.93 × 10²⁵
2a06:a400:22::/48	CELYA SAS	1.21 × 10²⁴
2a06:a400:23::/48	CELYA SAS	1.21 × 10²⁴
2a06:a402::/32	Celya cust02	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 AS203596

22 peers

AS1828 AS4455 AS6696 AS6939 AS15547 AS24482 AS34019 AS34177 AS35280 AS35600 AS41327 AS47957 AS49028 AS49544 AS56987 AS132337 AS137409 AS199524 AS14537 AS39120 AS39305 AS212483

AS203596 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 AS203596

4 upstreams

AS174 AS29075 AS44530 AS49451

AS203596 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS203596 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS203596

0 downstreams

AS203596 has no downstreams recorded.

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.