AS8439 AIST PJSC Rostelecom

AIST PJSC Rostelecom · registered in Russia

IPv4 addresses82,94414 prefixes · 0.003% of announced IPv4

Rank in Russia#56largest network in RU by IPv4 space, of 4,937 · 0.19% of RU

Rank worldwide#2,126of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS8439 in ASN lookup Look up an IP in this network (5.28.16.1) All networks in Russia

IPv4 prefixes

All 14 prefixes, in address order.

5.28.16.0/20
31.28.32.0/19
37.9.144.0/20
62.106.96.0/19
81.28.160.0/19
85.114.160.0/19
92.240.128.0/20
95.128.160.0/21
109.226.64.0/18
185.10.180.0/22
185.50.8.0/22
188.122.224.0/19
193.106.240.0/22
213.178.32.0/19

Similar-sized networks in Russia

ASNNameIPv4 addresses

AS48642#53 FOR-AS Joint stock company "For"87,808

AS28890#54 INSYS-AS INSYS LLC87,552

AS47165#55 OMKC-AS Omskie kabelnye seti Ltd.86,016

AS20597#57 ELTEL-AS PJSC "Vimpelcom"81,408

AS57044#58 BRYANSK-AS JSC "ER-Telecom Holding"81,152

AS8492#59 OBIT-AS "OBIT" Ltd.80,896

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources