AS17660

AS17660 is Bhutan Telecom Ltd.

Short answer

AS17660 belongs to Bhutan Telecom Ltd. DB-IP Lite attributes 4,608 IPv4 addresses in 3 ranges and no IPv6 ranges to it, all or nearly all of the IPv4 space in Bhutan. The number is registered with APNIC in Bhutan on 21 Aug 2001.

Facts for AS17660
Operator (DB-IP)Bhutan Telecom Ltd
IPv4 addresses4,608
IPv4 ranges3
IPv6 ranges0
RegistryAPNIC
Registered21 Aug 2001
Registry countryBhutan (BT)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Bhutan Telecom Ltd hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists no IPv6 ranges for AS17660, so its customers reach websites over IPv4.

Where its IPv4 space is used, according to DB-IP

BT100%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
103.245.242.0 – 103.245.243.255103.245.242.0/23512
163.227.12.0 – 163.227.13.255163.227.12.0/23512
163.227.18.0 – 163.227.31.255163.227.18.0/23, 163.227.20.0/22 …3,584
Showing 3 of 3 IPv4 and 0 of 0 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026