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WorldIP.io
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 v1.3.0 — 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
203.143.0.0/20 4.1K
7.5%
Lanka Communication Services LK Western Province Colombo
203.143.16.0/20 4.1K
9.5%
Lanka Communication Services LK Western Province Colombo
203.143.24.0/21 2.0K
6.0%
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
4.2%
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
8.7%
Lanka Communication Services LK — —
203.143.12.0/22 1.0K
6.2%
Lanka Communication Services LK — —
203.143.20.0/22 1.0K
18.6%
Lanka Communication Services LK Western Province Colombo
203.143.40.0/22 1.0K
6.3%
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
4.1%
Lanka Communication Services LK — —
116.12.84.0/23 512
1.2%
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
11.9%
Lanka Communication Services LK — —
203.143.10.0/23 512
7.2%
Lanka Communication Services LK Western Province Colombo
203.143.16.0/23 512
4.1%
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
6.6%
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
1.2%
Lanka Communication Services LK — —
203.143.8.0/24 256
9.8%
Lanka Communication Services LK — —
203.143.18.0/24 256
9.8%
Lanka Communication Services LK Western Province Colombo
203.143.44.0/24 256
3.1%
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 — —
203.143.19.128/25 128
13.3%
Lanka Communication Services LK Western Province Colombo
203.143.19.0/26 64
12.5%
Lanka Communication Services LK Western Province Colombo
203.143.19.96/27 32
12.5%
Lanka Communication Services LK Western Province Colombo
203.143.19.80/28 16
12.5%
Lanka Communication Services LK Western Province Colombo
203.143.19.64/29 8
12.5%
Lanka Communication Services LK — —
203.143.19.76/30 4
25.0%
Lanka Communication Services LK — —
203.143.19.72/31 2
0.0%
Lanka Communication Services LK — —
203.143.19.74/31 2
0.0%
Lanka Communication Services IN — —

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
116.12.103.0/24 125,022 2026-11-13 08:39:32
116.12.79.0/24 120,089 2026-11-13 08:39:32
116.12.90.0/24 117,367 2026-11-13 08:39:15
116.12.115.0/24 116,045 2026-11-13 08:39:32
116.12.88.0/24 115,425 2026-11-13 08:39:32
203.143.22.0/24 103,541 2026-11-13 08:39:06
203.143.13.0/24 103,028 2026-11-13 08:39:33
203.143.19.0/24 102,450 2026-11-13 08:39:17
203.143.53.0/24 101,664 2026-11-13 08:39:18
203.143.15.0/24 101,585 2026-11-13 08:39:33
203.143.14.0/24 99,691 2026-11-13 08:39:32
203.143.34.0/24 58,034 2026-11-13 08:39:33
203.143.26.0/24 54,109 2026-11-13 08:32:42
203.143.24.0/24 51,157 2026-11-13 08:32:42
203.143.59.0/24 51,033 2026-11-13 08:32:42
203.143.18.0/24 50,982 2026-11-13 08:32:42
203.143.43.0/24 50,905 2026-11-13 08:32:42
203.143.10.0/24 50,827 2026-11-13 08:32:42
203.143.50.0/24 50,825 2026-11-13 08:32:42
203.143.17.0/24 50,816 2026-11-13 08:32:42
203.143.5.0/24 50,744 2026-11-13 08:32:42
203.143.6.0/24 50,741 2026-11-13 08:32:42
203.143.1.0/24 50,708 2026-11-13 08:32:42
203.143.2.0/24 50,696 2026-11-13 08:32:42
203.143.8.0/24 50,695 2026-11-13 08:32:42
203.143.35.0/24 50,684 2026-11-13 08:32:42
203.143.36.0/24 50,668 2026-11-13 08:32:42
203.143.37.0/24 50,666 2026-11-13 08:32:42
203.143.3.0/24 50,665 2026-11-13 08:32:42
203.143.30.0/24 50,661 2026-11-13 08:32:42
203.143.27.0/24 50,656 2026-11-13 08:32:42
203.143.33.0/24 50,640 2026-11-13 08:32:42
203.143.38.0/24 50,483 2026-11-13 08:32:42
203.143.32.0/24 48,650 2026-11-13 08:32:42
203.143.57.0/24 48,635 2026-11-13 08:32:41
203.143.52.0/24 48,359 2026-11-13 08:32:42
203.143.39.0/24 48,232 2026-11-13 08:32:42
203.143.31.0/24 48,090 2026-11-13 08:32:42
203.143.0.0/24 48,087 2026-11-13 08:32:42
116.12.122.0/24 47,625 2026-11-13 08:32:11
116.12.123.0/24 47,446 2026-11-13 08:32:11
116.12.124.0/24 47,205 2026-11-13 08:32:11
116.12.91.0/24 47,152 2026-11-13 08:32:11
116.12.92.0/24 47,102 2026-11-13 08:32:11
116.12.84.0/24 47,054 2026-11-13 08:32:11
116.12.85.0/24 46,947 2026-11-13 08:32:11
116.12.80.0/24 46,914 2026-11-13 08:32:11
116.12.119.0/24 46,913 2026-11-13 08:32:11
116.12.120.0/24 46,886 2026-11-13 08:32:11
116.12.78.0/24 46,860 2026-11-13 08:32:11

Showing top 50 of 97 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: 2026-11-13 08:39:05 UTC
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