AS139913 First Security Islami Bank Limited

FSIBL-AS-AP - First Security Islami Bank Limited · registered in Bangladesh

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Bangladesh#1,343largest network in BD by IPv4 space, of 1,548 · 0.01% of BD

Rank worldwide#71,010of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBangladesh1,552 ASNs registered there

Open AS139913 in ASN lookup Look up an IP in this network (103.147.28.1) All networks in Bangladesh

IPv4 prefixes

All 1 prefix, in address order.

103.147.28.0/24

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ASNNameIPv4 addresses

AS139793#1340 CrystalInternational-AS-AP - Crystal International256

AS139806#1341 MASTERNET-AS-AP - Master Net256

AS139856#1342 BRACBANKLIMITED-AS-AP - Brac Bank Limited256

AS139919#1344 RDCONLINE-AS - RDC Online256

AS140036#1345 NUFLAYER-AS-AP - NUFLAYER256

AS140040#1346 SHILMANDIONLINE-AS-AP - SHILMANDI ONLINE256

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