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Autonomous System

AS5087

Lanka Communication Services

Announced IPs
22,784
CIDR prefixes
37
ASN
AS5087

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 5-10Gbps
Geographic scope Asia Pacific
Traffic ratio Mostly Inbound
Peering policy Selective

Present at 1 internet exchange: Colocix Internet Exchange

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
203.143.0.0/19 8.2K
0.0%
Lanka Communication Services LK Western Province Colombo
203.143.16.0/20 4.1K
9.3%
Lanka Communication Services LK Western Province Colombo
203.143.32.0/21 2.0K
1.8%
Lanka Communication Services LK
103.1.176.0/22 1.0K
3.9%
Lanka Communication Services LK
116.12.80.0/22 1.0K
2.5%
Lanka Communication Services LK
116.12.88.0/22 1.0K
3.3%
Lanka Communication Services LK
203.143.0.0/22 1.0K
6.1%
Lanka Communication Services LK
203.143.12.0/22 1.0K
4.7%
Lanka Communication Services LK
203.143.40.0/22 1.0K
5.8%
Lanka Communication Services LK
203.143.60.0/22 1.0K
0.0%
Lanka Communication Services LK
116.12.64.0/23 512
0.4%
Lanka Communication Services LK
116.12.74.0/23 512
0.2%
Lanka Communication Services LK
116.12.78.0/23 512
3.5%
Lanka Communication Services LK
116.12.84.0/23 512
1.0%
Lanka Communication Services LK
116.12.92.0/23 512
1.8%
Lanka Communication Services LK
116.12.102.0/23 512
2.1%
Lanka Communication Services LK
116.12.122.0/23 512
0.0%
Lanka Communication Services LK
116.12.126.0/23 512
1.6%
Lanka Communication Services LK
203.143.6.0/23 512
11.5%
Lanka Communication Services LK
203.143.10.0/23 512
7.0%
Lanka Communication Services LK Western Province Colombo
203.143.50.0/23 512
2.0%
Lanka Communication Services LK
203.143.52.0/23 512
2.0%
Lanka Communication Services LK
203.143.58.0/23 512
0.0%
Lanka Communication Services LK
116.12.67.0/24 256
0.0%
Lanka Communication Services LK
116.12.70.0/24 256
0.0%
Lanka Communication Services LK
116.12.77.0/24 256
0.0%
Lanka Communication Services LK
116.12.98.0/24 256
8.6%
Lanka Communication Services LK
116.12.107.0/24 256
0.0%
Lanka Communication Services LK
116.12.115.0/24 256
5.9%
Lanka Communication Services LK
116.12.116.0/24 256
0.0%
Lanka Communication Services LK
116.12.119.0/24 256
2.7%
Lanka Communication Services LK
116.12.120.0/24 256
0.4%
Lanka Communication Services LK
116.12.124.0/24 256
0.4%
Lanka Communication Services LK
116.206.23.0/24 256
2.7%
Lanka Communication Services LK
203.143.5.0/24 256
0.8%
Lanka Communication Services LK
203.143.8.0/24 256
9.8%
Lanka Communication Services LK
203.143.44.0/24 256
0.0%
Lanka Communication Services LK
203.143.46.0/24 256
2.7%
Lanka Communication Services LK Western Province Kollupitiya
203.143.57.0/24 256
3.5%
Lanka Communication Services LK
203.143.59.0/24 256
9.8%
Lanka Communication Services LK
203.143.63.0/24 256
0.0%
Lanka Communication Services LK

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS5087 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
116.12.90.0/24 91,703 2026-09-11 09:05:41
116.12.115.0/24 89,564 2026-09-11 09:05:42
116.12.88.0/24 89,246 2026-09-11 09:05:42
116.12.103.0/24 89,165 2026-09-11 09:05:45
116.12.79.0/24 88,748 2026-09-11 09:05:45
203.143.22.0/24 88,577 2026-09-11 09:05:18
203.143.19.0/24 87,727 2026-09-11 09:05:41
203.143.53.0/24 86,915 2026-09-11 09:05:41
203.143.15.0/24 86,705 2026-09-11 09:05:42
203.143.13.0/24 85,756 2026-09-11 09:05:45
203.143.14.0/24 84,852 2026-09-11 09:05:42
203.143.26.0/24 38,522 2026-09-11 08:57:48
203.143.34.0/24 37,966 2026-09-11 09:05:48
203.143.24.0/24 35,364 2026-09-11 08:57:48
203.143.59.0/24 35,310 2026-09-11 08:57:48
203.143.18.0/24 35,273 2026-09-11 08:57:48
203.143.43.0/24 35,239 2026-09-11 08:57:48
203.143.10.0/24 35,165 2026-09-11 08:57:48
203.143.17.0/24 35,160 2026-09-11 08:57:48
203.143.50.0/24 35,158 2026-09-11 08:57:48
203.143.5.0/24 35,122 2026-09-11 08:57:48
203.143.6.0/24 35,108 2026-09-11 08:57:48
203.143.1.0/24 35,093 2026-09-11 08:57:48
203.143.8.0/24 35,089 2026-09-11 08:57:48
203.143.2.0/24 35,084 2026-09-11 08:57:48
203.143.36.0/24 35,067 2026-09-11 08:57:48
203.143.35.0/24 35,064 2026-09-11 08:57:48
203.143.3.0/24 35,059 2026-09-11 08:57:48
203.143.30.0/24 35,058 2026-09-11 08:57:48
203.143.37.0/24 35,058 2026-09-11 08:57:48
203.143.27.0/24 35,048 2026-09-11 08:57:48
203.143.33.0/24 35,044 2026-09-11 08:57:48
203.143.38.0/24 34,879 2026-09-11 08:57:48
203.143.32.0/24 34,042 2026-09-11 08:57:48
203.143.57.0/24 33,410 2026-09-11 08:57:48
203.143.52.0/24 32,642 2026-09-11 08:57:48
203.143.39.0/24 32,541 2026-09-11 08:57:48
203.143.31.0/24 32,440 2026-09-11 08:57:48
203.143.0.0/24 32,439 2026-09-11 08:57:48
116.12.122.0/24 32,251 2026-09-11 08:57:48
116.12.123.0/24 32,088 2026-09-11 08:57:48
116.12.91.0/24 32,007 2026-09-11 08:57:48
116.12.124.0/24 31,996 2026-09-11 08:57:48
116.12.92.0/24 31,970 2026-09-11 08:57:48
116.12.84.0/24 31,920 2026-09-11 08:57:48
116.12.85.0/24 31,860 2026-09-11 08:57:48
116.12.80.0/24 31,849 2026-09-11 08:57:48
116.12.119.0/24 31,838 2026-09-11 08:57:48
116.12.120.0/24 31,827 2026-09-11 08:57:48
116.12.78.0/24 31,806 2026-09-11 08:57:48

Showing top 50 of 96 announced prefixes by sample volume.

Frequently Asked Questions

What is AS5087?

AS5087 is an Autonomous System Number assigned to Lanka Communication Services. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS5087 announce?

AS5087 announces 22.8K IPv4 addresses distributed across 37 routed CIDR prefixes. The network is registered in Sri Lanka.

Who operates AS5087?

AS5087 is operated by Lanka Communication Services. The organization is based in Sri Lanka. You can view all IP ranges and related ASNs on the organization page.

What country is AS5087 registered in?

AS5087 is registered in Sri Lanka. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 09:11:16 UTC
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