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Autonomous System

AS55355

ISP

Announced IPs
6,912
CIDR prefixes
18
ASN
AS55355

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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 50-100Gbps
Geographic scope Asia Pacific
Traffic ratio Balanced
Peering policy Selective

Present at 2 internet exchanges: AMS-IX Hong Kong, HKIX: HKIX Peering LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
218.188.96.0/22 1.0K
0.1%
ISP HK — —
175.100.202.0/23 512
0.4%
ISP HK — —
175.100.204.0/23 512
0.0%
ISP HK — —
203.90.246.0/23 512
0.0%
ISP HK — —
203.90.248.0/23 512
0.2%
ISP HK — —
218.188.100.0/23 512
0.0%
ISP HK — —
218.189.124.0/23 512
0.2%
ISP HK — —
118.143.207.0/24 256
100.0%
ISP HK — —
118.143.209.0/24 256
99.6%
ISP HK — —
122.8.9.0/24 256
0.0%
ISP CN — —
156.225.7.0/24 256
0.0%
ISP SC — —
175.100.201.0/24 256
0.0%
ISP HK — —
175.100.207.0/24 256
0.0%
ISP HK — —
203.90.239.0/24 256
0.0%
ISP HK — —
203.90.245.0/24 256
0.4%
ISP HK — —
203.90.250.0/24 256
0.0%
ISP HK — —
203.90.255.0/24 256
1.2%
ISP HK — —
218.189.10.0/24 256
0.0%
ISP HK — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS55355 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
36.51.255.0/24 882,180 2026-07-14 04:52:05
175.100.202.0/24 844,759 2026-10-18 22:35:39
118.143.209.0/24 748,260 2026-10-18 22:35:39
118.143.207.0/24 748,070 2026-10-18 22:35:39
175.100.201.0/24 712,636 2026-10-18 22:35:39
203.90.250.0/24 665,581 2026-10-18 22:35:39
218.189.124.0/24 644,726 2026-10-18 22:35:39
203.90.246.0/24 553,773 2026-10-18 22:35:39
156.225.7.0/24 485,361 2026-10-18 22:35:39
122.8.9.0/24 473,254 2026-10-18 22:35:39
175.100.203.0/24 462,828 2026-10-18 22:35:39
175.100.204.0/24 459,689 2026-10-18 22:35:39
175.100.207.0/24 457,864 2026-10-18 22:35:39
218.189.125.0/24 456,804 2026-10-18 22:35:39
218.188.96.0/24 453,042 2026-10-18 22:35:39
218.188.100.0/24 451,868 2026-10-18 22:35:39
175.100.205.0/24 451,745 2026-10-18 22:35:39
218.188.99.0/24 451,228 2026-10-18 22:35:36
218.188.97.0/24 449,535 2026-10-18 22:35:36
218.188.98.0/24 449,477 2026-10-18 22:35:36
203.90.245.0/24 437,567 2026-10-18 22:35:39
203.90.248.0/24 437,479 2026-10-18 22:35:39
203.90.239.0/24 436,667 2026-10-18 22:35:39
203.90.255.0/24 434,138 2026-10-18 22:35:36
218.189.10.0/24 429,748 2026-10-18 22:35:36
203.90.249.0/24 131,516 2026-10-18 22:06:42
203.90.247.0/24 129,961 2026-10-18 22:06:42
218.188.101.0/24 3,893 2026-10-18 17:52:22
203.90.248.51/32 108 2026-10-18 14:54:45
203.90.247.244/32 102 2026-10-18 14:54:27
203.90.245.211/32 102 2026-10-18 14:54:27
203.90.245.226/32 102 2026-10-18 14:54:27
203.90.247.218/32 102 2026-10-18 14:54:27
203.90.245.171/32 102 2026-10-18 14:54:27
203.90.247.199/32 102 2026-10-18 14:54:27
203.90.247.196/32 102 2026-10-18 14:54:27
203.90.249.244/32 102 2026-10-18 14:54:27
203.90.249.102/32 102 2026-10-18 14:54:27
203.90.249.104/32 102 2026-10-18 14:54:27
203.90.249.231/32 102 2026-10-18 14:54:27
203.90.249.187/32 102 2026-10-18 14:54:27
203.90.247.177/32 102 2026-10-18 14:54:27
203.90.245.192/32 102 2026-10-18 14:54:27
203.90.249.251/32 102 2026-10-18 14:54:27
203.90.247.242/32 102 2026-10-18 14:54:27
203.90.247.222/32 102 2026-10-18 14:54:27
203.90.249.233/32 102 2026-10-18 14:54:27
203.90.245.185/32 102 2026-10-18 14:54:27
203.90.247.162/32 102 2026-10-18 14:54:27
203.90.249.224/32 102 2026-10-18 14:54:27

Showing top 50 of 996 announced prefixes by sample volume.

Frequently Asked Questions

What is AS55355?

AS55355 is an Autonomous System Number assigned to ISP. 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 AS55355 announce?

AS55355 announces 6.9K IPv4 addresses distributed across 18 routed CIDR prefixes. The network is registered in Hong Kong.

Who operates AS55355?

AS55355 is operated by ISP. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.

What country is AS55355 registered in?

AS55355 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-18 22:54:04 UTC
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