Skip to main content
Autonomous System

AS23767

A-STAR

Announced IPs
8,704
CIDR prefixes
12
ASN
AS23767

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
123.136.64.0/21 2.0K
12.3%
A-STAR SG
103.37.196.0/22 1.0K
0.0%
A-STAR SG
123.136.68.0/22 1.0K
0.0%
A-STAR SG
192.122.132.0/22 1.0K
1.6%
A-STAR SG
192.122.136.0/22 1.0K
1.8%
A-STAR SG
202.6.240.0/22 1.0K
1.0%
A-STAR SG
202.83.248.0/22 1.0K
0.0%
A-STAR SG
202.130.56.0/22 1.0K
0.0%
A-STAR SG
123.136.64.0/24 256
0.0%
A-STAR SG
123.136.67.0/24 256
0.0%
A-STAR SG
192.122.131.0/24 256
0.0%
A-STAR SG
192.122.140.0/24 256
2.7%
A-STAR SG

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS23767 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.122.137.0/24 164,416 2026-07-31 16:38:32
192.122.138.0/24 164,415 2026-07-31 16:38:32
192.122.136.0/24 164,412 2026-07-31 16:38:32
192.122.139.0/24 164,403 2026-07-31 16:38:32
103.37.198.0/24 162,427 2026-07-31 16:44:24
103.37.196.0/24 162,427 2026-07-31 16:44:24
103.37.197.0/24 162,424 2026-07-31 16:44:24
103.37.199.0/24 162,421 2026-07-31 16:44:24
123.136.66.0/24 162,231 2026-07-23 03:19:27
123.136.65.0/24 162,224 2026-07-23 03:19:27
192.122.134.0/24 161,409 2026-07-31 16:38:32
192.122.135.0/24 161,334 2026-07-31 16:38:32
192.122.133.0/24 161,222 2026-07-31 16:38:32
192.122.132.0/24 161,209 2026-07-31 16:38:32
192.122.140.0/24 161,207 2026-07-31 16:38:32
192.122.131.0/24 161,197 2026-07-31 16:38:32
123.136.71.0/24 160,417 2026-07-31 16:38:32
123.136.70.0/24 160,387 2026-07-31 16:38:32
123.136.67.0/24 160,385 2026-07-31 16:38:32
123.136.69.0/24 160,385 2026-07-31 16:38:32
123.136.68.0/24 160,370 2026-07-31 16:38:32
123.136.64.0/24 160,369 2026-07-31 16:38:32
202.6.240.0/24 160,309 2026-07-31 16:38:32
202.6.241.0/24 160,284 2026-07-31 16:38:32
202.6.242.0/24 160,175 2026-07-31 16:38:32
202.130.58.0/24 74,941 2026-07-31 16:21:42
202.130.56.0/24 26,222 2026-07-31 16:21:42
202.83.248.0/22 25,284 2026-07-31 16:21:42
202.130.59.0/24 25,268 2026-07-31 16:21:42
202.6.243.0/24 11,974 2026-07-31 16:38:32
202.130.56.0/22 4,508 2026-07-31 16:21:42

Frequently Asked Questions

What is AS23767?

AS23767 is an Autonomous System Number assigned to A-STAR. 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 AS23767 announce?

AS23767 announces 8.7K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in Singapore.

Who operates AS23767?

AS23767 is operated by A-STAR. The organization is based in Singapore. You can view all IP ranges and related ASNs on the organization page.

What country is AS23767 registered in?

AS23767 is registered in Singapore. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 16:55:31 UTC
Share