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Autonomous System details for AS15958

AS15958

CETIN Ltd. Belgrade • cetin.rs

AS15958 — CETIN Ltd. Belgrade

AS Name

CETIN_doo_AS

Country

Serbia (RS)

Website

cetin.rs

Number of IPv4

84,992

Number of IPv6

7.92 × 10²⁸

ASN type

ISP

Status

Allocated

Registry

RIPE

Allocated

January 01, 1970

Last updated

February 23, 2026

IP Ranges

9 IPv4 prefixes, 1 IPv6 prefixes

Prefix	Company	Number of IPs
109.106.224.0/20	CETIN Ltd. Belgrade	4,096
109.245.0.0/16	Yettel Serbia Mobile Broadband	65,536
109.245.128.0/21	Cetin doo Serbia fixed-mobile access to the Internet	2,048
109.245.144.0/21	Cetin doo Serbia fixed-mobile access to the Internet	2,048
109.245.160.0/21	Cetin doo Serbia fixed-mobile access to the Internet	2,048
109.245.168.0/21	Cetin doo Serbia fixed-mobile access to the Internet	2,048
217.65.192.0/20	CETIN Ltd. Belgrade	4,096
217.65.196.0/22	Point to point links for businesses	1,024
217.65.200.0/21	Cetin doo Serbia address space for wholesale user MSCHREDER	2,048
2a01:ac80::/32	CETIN Ltd. Belgrade	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 AS15958

152 peers

AS553 AS559 AS1031 AS1103 AS1140 AS1267 AS1828 AS1836 AS1853 AS3170 AS3214 AS3216 AS3303 AS3333 AS4455 AS5405 AS5713 AS6057 AS6424 AS6777 AS6939 AS7195 AS7713 AS8218 AS8283 AS8426 AS8455 AS8529 AS8758 AS8966 AS9044 AS12552 AS12637 AS12779 AS12859 AS13004 AS13237 AS14537 AS14630 AS14907 AS15547 AS15576 AS15605 AS15935 AS8298 AS12969 AS17639 AS25220 AS34288 AS39122 AS41095 AS63927 AS64475 AS212483 AS18106 AS20485 AS20562 AS20764 AS20932 AS21412 AS22356 AS24482 AS24889 AS24940 AS24961 AS25091 AS25160 AS25818 AS28716 AS28917 AS29075 AS29140 AS29691 AS29838 AS30844 AS31500 AS31510 AS32590 AS33891 AS34019 AS34177 AS34549 AS34927 AS35280 AS35360 AS35598 AS35625 AS35710 AS36994 AS37100 AS37271 AS37468 AS37497 AS37721 AS38880 AS39120 AS39351 AS39724 AS40994 AS41327 AS42295 AS42541 AS45352 AS47147 AS47692 AS47957 AS48185 AS48362 AS48919 AS49434 AS49544 AS49605 AS49673 AS50300 AS50629 AS50673 AS50763 AS51184 AS51185 AS51873 AS51907 AS52075 AS52320 AS56655 AS56911 AS56987 AS57777 AS58057 AS58299 AS58511 AS61049 AS61568 AS62000 AS132337 AS137409 AS198385 AS199524 AS199938 AS205112 AS206356 AS208972 AS209823 AS210937 AS212024 AS212635 AS213151 AS215628 AS262355 AS263152 AS263444 AS264479 AS271253

AS15958 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 AS15958

6 upstreams

AS174 AS1299 AS3356 AS9125 AS39686 AS44306

AS15958 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS15958 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS15958

23 downstreams

AS14544 AS15397 AS28964 AS34724 AS42860 AS43191 AS43547 AS43608 AS44287 AS47267 AS51859 AS56569 AS57486 AS197423 AS198171 AS198691 AS201236 AS203752 AS203877 AS205201 AS206580 AS213306 AS394977

AS15958 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.