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AS4788
TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD.

AS4788 announces 3,248,384 IPv4 addresses across 64 routed ranges, registered in MY. Figures come from the public global routing table and are refreshed daily.

3.2M addressesIPv4 space announced
64Routed ranges
MYRegistry country

Is AS4788 datacenter space?

Not according to the nine cloud and CDN providers whose published range lists we track. That is a statement about those specific lists, not proof the space is residential — plenty of hosting companies never publish machine-readable ranges, and this AS may well be one of them.

The reliable way to classify a specific address is to check it directly rather than to infer from the AS. The free lookup tool checks any address against the Tor exit list and the published cloud-provider ranges. VPN and proxy verdicts need a live visit: they come from a /v1/evaluate call with the browser token, not from a bare address.

What an AS number does and does not tell you

An autonomous system number identifies who announces a block of addresses to the internet's routing table. It is an organisational fact, and a durable one — useful for attributing traffic to a hosting company, a carrier, or a university.

It is not a risk signal. A residential ISP's AS carries the household traffic of millions of ordinary customers and, at the same time, whatever residential proxy exits have been installed on those customers' devices. A hosting AS carries scrapers and legitimate server-to-server integrations in the same ranges. Scoring an address on the reputation of its AS produces exactly the false positives that make fraud tooling untrustworthy.

Maskbreak does not feed AS names or routing data into its risk score. Tunnel detection comes from live network intelligence, and the dch signal comes from provider-published ranges. This directory exists to answer "who announces this address," which is a different and genuinely useful question.

Announced IPv4 ranges

All 64 announced ranges.

Range startRange endAddresses
1.9.0.01.9.250.25564,256
1.9.251.01.9.255.2551,280
1.32.0.01.32.127.25532,768
23.201.156.023.201.159.2551,024
23.220.64.023.220.67.2551,024
23.220.240.023.220.243.2551,024
27.146.224.027.146.247.2556,144
42.153.5.042.153.5.255256
42.153.200.042.153.207.2552,048
42.188.0.042.188.127.25532,768
42.188.128.042.189.255.25598,304
42.190.0.042.191.127.25598,304
42.191.128.042.191.255.25532,768
45.116.240.045.116.243.2551,024
45.123.102.045.123.103.255512
58.26.0.058.27.127.25598,304
58.139.160.058.139.175.2554,096
60.48.0.060.49.31.25573,728
60.49.32.060.54.255.255385,024
103.1.104.0103.1.107.2551,024
103.4.140.0103.4.143.2551,024
103.9.148.0103.9.148.255256
103.9.151.0103.9.151.255256
103.168.104.0103.168.104.255256
108.165.67.0108.165.67.255256
110.159.0.0110.159.255.25565,536
115.132.0.0115.132.95.25524,576
115.132.96.0115.135.255.255237,568
118.100.0.0118.101.255.255131,072
120.140.0.0120.140.63.25516,384
120.140.66.0120.140.67.255512
120.140.69.0120.140.69.255256
120.140.74.0120.140.74.255256
120.140.77.0120.140.77.255256
120.140.96.0120.140.159.25516,384
120.141.0.0120.141.31.2558,192
124.13.0.0124.13.255.25565,536
124.82.0.0124.82.255.25565,536
137.195.224.0137.195.239.2554,096
144.177.96.0144.177.99.2551,024
147.158.0.0147.158.255.25565,536
173.223.40.0173.223.43.2551,024
175.136.0.0175.143.223.255516,096
175.143.224.0175.145.255.255139,264
180.72.0.0180.72.127.25532,768
180.72.128.0180.75.255.255229,376
184.28.140.0184.28.143.2551,024
202.71.109.0202.71.109.255256
202.75.41.0202.75.41.255256
202.188.0.0202.188.255.25565,536
203.106.0.0203.106.147.25537,888
203.106.148.0203.106.255.25527,648
210.186.0.0210.187.255.255131,072
210.195.0.0210.195.255.25565,536
218.111.0.0218.111.255.25565,536
218.208.0.0218.208.255.25565,536
219.92.0.0219.92.95.25524,576
219.92.96.0219.92.223.25532,768
219.92.224.0219.93.134.25542,752
219.93.136.0219.94.127.25563,488
219.95.0.0219.95.79.25520,480
219.95.80.0219.95.111.2558,192
219.95.112.0219.95.143.2558,192
219.95.144.0219.95.255.25528,672

Check a specific address

The AS tells you who announces a range. An address check answers whether one address inside it is a Tor exit or sits in a published cloud range — for example 1.9.0.0, the first address in this AS's announced space; whether a visitor is on a VPN or proxy needs a live visit. The free lookup tool takes any address, and the IP intelligence hub explains what each signal means.

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