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Autonomous System

AS55423

JasTel Network

Announced IPs
44,288
CIDR prefixes
57
ASN
AS55423

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.

53/100
Caution
How this score is built

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

⚠ 1 MOAS prefix — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS55423 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
170.248.242.0/24 AS21433, AS55423 2026-09-06 14:25:06

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
58.82.128.0/19 8.2K
59.8%
JasTel Network TH Pathum Thani Pathum Thani
58.82.160.0/20 4.1K
78.9%
JasTel Network TH Bangkok Bangkok
58.82.176.0/21 2.0K
24.5%
JasTel Network TH
167.179.232.0/21 2.0K
35.4%
JasTel Network TH
167.179.240.0/21 2.0K
23.5%
JasTel Network TH Nonthaburi Pak Kret
203.156.120.0/21 2.0K
19.7%
JasTel Network TH
103.247.60.0/22 1.0K
21.7%
JasTel Network TH
167.179.224.0/22 1.0K
97.6%
JasTel Network TH
167.179.248.0/22 1.0K
0.0%
JasTel Network TH Nonthaburi Pak Kret
167.179.252.0/22 1.0K
0.0%
JasTel Network TH Nonthaburi Pak Kret
182.50.80.0/22 1.0K
48.4%
JasTel Network TH
182.50.88.0/22 1.0K
49.8%
JasTel Network TH
203.156.0.0/22 1.0K
49.3%
JasTel Network TH
203.156.8.0/22 1.0K
99.8%
JasTel Network TH
203.156.40.0/22 1.0K
47.9%
JasTel Network TH
203.156.108.0/22 1.0K
48.9%
JasTel Network TH
203.156.112.0/22 1.0K
0.0%
JasTel Network TH
58.82.184.0/23 512
49.0%
JasTel Network TH
160.250.202.0/23 512
63.7%
JasTel Network TH
167.179.228.0/23 512
97.5%
JasTel Network TH
167.179.248.0/23 512
0.0%
JasTel Network TH
167.179.252.0/23 512
0.0%
JasTel Network TH Nonthaburi Pak Kret
203.147.46.0/23 512
0.2%
JasTel Network TH
203.156.12.0/23 512
99.8%
JasTel Network TH
203.156.24.0/23 512
0.0%
JasTel Network TH
203.156.46.0/23 512
0.2%
JasTel Network TH
203.156.48.0/23 512
0.8%
JasTel Network TH
203.156.96.0/23 512
0.0%
JasTel Network TH
203.156.102.0/23 512
0.0%
JasTel Network TH
203.156.150.0/23 512
1.0%
JasTel Network TH
203.156.152.0/23 512
0.0%
JasTel Network TH
203.156.156.0/23 512
0.0%
JasTel Network TH
203.156.176.0/23 512
0.4%
JasTel Network TH
58.82.190.0/24 256
0.0%
JasTel Network TH
167.179.230.0/24 256
98.4%
JasTel Network TH
167.179.251.0/24 256
0.0%
JasTel Network TH
167.179.255.0/24 256
0.0%
JasTel Network TH Nonthaburi Pak Kret
170.248.242.0/24 256
0.0%
JasTel Network US
182.50.86.0/24 256
95.7%
JasTel Network TH
203.130.140.0/24 256
97.7%
JasTel Network TH
203.130.152.0/24 256
3.9%
JasTel Network TH
203.147.6.0/24 256
1.6%
JasTel Network TH
203.147.26.0/24 256
0.4%
JasTel Network TH
203.156.14.0/24 256
100.0%
JasTel Network TH
203.156.16.0/24 256
0.0%
JasTel Network TH
203.156.26.0/24 256
0.0%
JasTel Network TH
203.156.31.0/24 256
0.0%
JasTel Network TH
203.156.51.0/24 256
0.0%
JasTel Network TH
203.156.52.0/24 256
0.0%
JasTel Network TH
203.156.57.0/24 256
0.0%
JasTel Network TH
203.156.59.0/24 256
0.0%
JasTel Network TH
203.156.60.0/24 256
0.0%
JasTel Network TH
203.156.64.0/24 256
0.0%
JasTel Network TH
203.156.119.0/24 256
98.4%
JasTel Network TH
203.156.143.0/24 256
0.0%
JasTel Network TH
203.156.150.0/24 256
2.0%
JasTel Network TH
203.156.183.0/24 256
2.3%
JasTel Network TH

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS55423 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
58.82.178.0/23 183,646 2026-09-07 15:05:44
203.156.114.0/23 150,479 2026-09-07 15:46:24
203.156.25.0/24 148,401 2026-09-07 15:46:24
203.156.8.0/21 147,145 2026-09-07 15:46:24
203.156.24.0/24 129,809 2026-09-07 14:07:21
182.50.80.0/24 83,849 2026-09-07 15:42:51
203.156.152.0/24 58,317 2026-09-07 14:07:21
167.179.244.0/24 54,287 2026-09-07 15:42:51
203.156.153.0/24 52,229 2026-09-07 14:07:21
58.82.180.0/24 42,997 2026-09-07 15:42:51
160.250.202.0/24 37,713 2026-09-07 14:07:21
160.250.203.0/24 37,585 2026-09-07 14:07:21
203.156.48.0/23 36,047 2026-09-07 15:56:54
182.50.88.0/24 34,808 2026-09-07 14:07:21
182.50.86.0/24 34,808 2026-09-07 14:07:21
182.50.88.0/22 34,741 2026-09-07 14:07:21
203.156.110.0/23 33,972 2026-09-07 14:07:21
58.82.130.0/24 33,648 2026-09-07 14:06:30
58.82.163.0/24 33,504 2026-09-07 14:06:30
182.50.83.0/24 33,149 2026-09-07 14:07:21
203.156.120.0/21 33,057 2026-09-07 15:46:25
58.82.175.0/24 32,886 2026-09-07 15:45:52
167.179.246.0/24 32,705 2026-09-07 15:46:24
58.82.181.0/24 32,630 2026-09-07 15:42:51
203.147.46.0/23 32,559 2026-09-07 14:07:21
170.248.242.0/24 31,599 2026-09-07 15:46:25
203.156.16.0/24 31,232 2026-09-07 15:46:24
203.156.0.0/22 30,110 2026-09-07 15:42:51
58.82.128.0/22 29,926 2026-09-07 14:06:20
203.156.108.0/24 29,709 2026-09-07 14:07:20
203.156.96.0/23 29,610 2026-09-07 14:07:20
203.156.102.0/23 29,565 2026-09-07 15:56:54
203.156.111.0/24 29,415 2026-09-07 14:07:21
203.156.40.0/22 29,367 2026-09-07 14:07:20
58.82.136.0/24 29,056 2026-09-07 15:45:52
203.156.112.0/24 29,019 2026-09-07 14:07:20
203.156.9.0/24 28,909 2026-09-07 14:06:15
203.156.150.0/24 28,730 2026-09-07 14:06:11
58.82.160.0/21 27,884 2026-09-07 15:42:51
103.247.60.0/24 27,427 2026-09-07 15:42:51
203.147.6.0/24 27,317 2026-09-07 14:05:41
58.82.166.0/24 27,262 2026-09-07 15:42:51
58.82.177.0/24 26,976 2026-09-07 15:45:52
58.82.182.0/24 26,521 2026-09-07 14:05:39
58.82.176.0/21 25,895 2026-09-07 15:42:51
58.82.144.0/21 25,504 2026-09-07 15:42:51
58.82.184.0/21 25,252 2026-09-07 15:42:51
58.82.183.0/24 25,194 2026-09-07 15:42:51
58.82.168.0/21 25,177 2026-09-07 15:42:51
58.82.160.0/20 25,142 2026-09-07 15:42:51

Showing top 50 of 102 announced prefixes by sample volume.

Frequently Asked Questions

What is AS55423?

AS55423 is an Autonomous System Number assigned to JasTel Network. 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 AS55423 announce?

AS55423 announces 44.3K IPv4 addresses distributed across 57 routed CIDR prefixes. The network is registered in Thailand.

Who operates AS55423?

AS55423 is operated by JasTel Network. The organization is based in Thailand. You can view all IP ranges and related ASNs on the organization page.

What country is AS55423 registered in?

AS55423 is registered in Thailand. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-07 16:17:15 UTC
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