AS51700 CTM_Ltd-AS CTM Ltd

CTM_Ltd-AS CTM Ltd · registered in Russia

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Russia#3,765largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#68,064of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS51700 in ASN lookup Look up an IP in this network (91.220.57.1) All networks in Russia

IPv4 prefixes

All 1 prefix, in address order.

91.220.57.0/24

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ASNNameIPv4 addresses

AS51642#3762 CREDITINFO LLC "Bureau Credit History CREDITINFO"256

AS51667#3763 RENCONS-AS BaltStroyKomplektatsiya LLC256

AS51680#3764 SSIV-AS Soyuz Svyatogo Ioanna Voina LLC256

AS51716#3766 MOSRP-AS Public Joint-Stock Company Moscow River Shipping256

AS51723#3767 TKB_Investment_Partners TKB Investment Partners (JSC)256

AS51780#3768 VNIIKR-AS FGBU VNIIKR256

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