$ query “AS18001” --type=asn → 1 result(s)

AS18001 · DIALOG-AS

Dialog Axiata Plc

AS18001 is owned by Dialog Axiata Plc and is a mid-size transit provider, established in Sri Lanka. The system announces a solid 186 368 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in Sri Lanka, with additional presence in the United States and Australia. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #2 in Sri Lanka — Top 10 by reach within country

Basic Information

Country
🇱🇰 Sri Lanka
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
July 26, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
142 / 21
IPv6 Prefixes (raw / aggregated)
121 / 4
IPv4 Addresses
186 368
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇱🇰 Sri Lanka (367 616 IPs), 🇺🇸 United States (2 048 IPs), 🇦🇺 Australia (1 024 IPs)
Prefix Changed
July 25, 2026

Reputation

Reputation
Good — 4 flagged IPs out of 186 368 total (0.00%)

Connectivity Summary

Upstream Providers
9 upstreams providing transit
Peers
177 networks exchanging traffic without transit
Downstream Customers
13 downstreams buying transit
Unclassified
5 unclassified BGP neighbors
Degree
204 unique BGP neighbors
Reach
31 networks in customer cone

Upstream Providers (9)

Prefix Lists

IPv4 Prefixes (142 total)

  • 175.157.0.0/16 (65 536 addresses (/16 prefix))
  • 123.231.0.0/17 (32 768 addresses (/17 prefix))
  • 111.223.128.0/18 (16 384 addresses (/18 prefix))
  • 122.255.0.0/18 (16 384 addresses (/18 prefix))
  • 182.161.0.0/19 (8 192 addresses (/19 prefix))
  • 125.214.160.0/19 (8 192 addresses (/19 prefix))
  • 223.224.0.0/19 (8 192 addresses (/19 prefix))
  • 202.124.160.0/19 (8 192 addresses (/19 prefix))
  • 203.189.64.0/20 (4 096 addresses (/20 prefix))
  • 202.69.192.0/20 (4 096 addresses (/20 prefix))
  • 101.2.176.0/20 (4 096 addresses (/20 prefix))
  • 154.59.48.0/21 (2 048 addresses (/21 prefix))
  • 103.2.148.0/22 (1 024 addresses (/22 prefix))
  • 103.87.12.0/22 (1 024 addresses (/22 prefix))
  • 43.228.108.0/22 (1 024 addresses (/22 prefix))
  • 116.206.244.0/22 (1 024 addresses (/22 prefix))
  • 116.204.212.0/22 (1 024 addresses (/22 prefix))
  • 203.153.220.0/22 (1 024 addresses (/22 prefix))
  • 103.227.244.0/22 (1 024 addresses (/22 prefix))
  • 103.210.128.0/23 (512 addresses (/23 prefix))
  • 103.96.226.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (121 total)

  • 2400:ff00::/32
  • 2402:4000::/32
  • 2404:f000::/32
  • 2405:4400::/32