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Autonomous System

AS131337

Block B, Manulife Financial Center

Announced IPs
512
CIDR prefixes
2
ASN
AS131337

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 →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
42.200.15.0/24 256
72.3%
Block B, Manulife Financial Center HK
103.29.95.0/24 256
0.0%
Block B, Manulife Financial Center HK

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS131337 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.29.95.0/24 14,447 2026-07-24 06:05:58
42.200.15.0/24 9,419 2026-07-24 06:05:42

Frequently Asked Questions

What is AS131337?

AS131337 is an Autonomous System Number assigned to Block B, Manulife Financial Center. 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 AS131337 announce?

AS131337 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Hong Kong.

Who operates AS131337?

AS131337 is operated by Block B, Manulife Financial Center. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.

What country is AS131337 registered in?

AS131337 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: 2026-07-24 06:25:33 UTC
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