LK

Sri Lanka holds 563,968 IPv4 addresses from APNIC and RIPE NCC.

Short answer

Regional registries have allocated 563,968 IPv4 addresses in 83 blocks, 26 IPv6 blocks and 32 network numbers to organisations in Sri Lanka, the first on 12 Jun 1995. By DB-IP’s count the largest network here is Sri Lanka Telecom Ltd (AS9329).

RegistryAPNIC, RIPE NCC
IPv4 allocated (RIR)563,968
IPv4 blocks83
IPv6 blocks26 (17 /32s of space)
Network numbers (ASNs)32
First / latest allocation12 Jun 1995 / 29 Jan 2025
IPv4 placed here by DB-IP597,766
DB-IP ranges (IPv4 / IPv6)156 / 976

Registered here vs used here

The RIR count is what was allocated to organisations registered in Sri Lanka; DB-IP’s count is where it estimates addresses are used. DB-IP places 33,798 more IPv4 addresses in Sri Lanka than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.

Largest networks by IPv4 space in Sri Lanka

NetworkASNIPv4 in LK
Sri Lanka Telecom LtdAS9329261,888
Dialog Axiata PlcAS18001184,320
Lanka Education and Research NetworkAS3822934,816
Lanka Communication Services (Pvt) Ltd.AS508722,784
Mobitel Pvt LtdAS4535617,408
Amazon.com, Inc.AS165094,608
Hutchison Telecommunications Lanka (Private) LimitedAS174704,352
Tata Communications Lanka LtdAS180663,584
Tata Communications LimitedAS47552,976
Ivanov Vitaliy SergeevichAS2026562,816
Sri Lanka Telecom LtdAS1389842,816
Ivanov Vitaliy SergeevichAS480312,560
Information and Communication Technology Agency of Sri LankaAS1321242,304
Hutchison Telecommunications Lanka (Private) LimitedAS1324472,048
Fiber Grid INCAS375181,792

IP Geolocation by DB-IP (ASN Lite × Country Lite, CC BY 4.0).

Allocations per year

20118
20126
20132
20147
20151
20162
201713
20185
20198
202310
20244
20252

Delegation records per year (IPv4 blocks + IPv6 blocks + ASN records) still current in the RIR files. Last 12 years shown.

Download the ranges

Every IPv4 and IPv6 range DB-IP Country Lite places in Sri Lanka, as CSV. The file carries DB-IP’s attribution, which you must keep if you republish it.

Sri Lanka ranges (CSV)

Sources

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