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Country

Taiwan

Asia TW
IPv4 addresses
37,168,310
CIDR ranges
2,460
Global rank · IPv4
#15 of 250
ASNs
421
Organizations
387
Regions / states
22

Top ASNs

ASNNameIPs
AS3462 Data Communication Business Group 12.09M
AS1659 Taiwan Academic Network (TANet) Information Center 5.49M
AS9674 Far EastTone Telecommunication Co., Ltd. 1.83M
AS17421 Mobile Business Group 1.66M
AS4780 Digital United Inc. 1.61M
AS9924 Taiwan Fixed Network, Telco and Network Service Provider. 1.51M
AS9416 Hoshin Multimedia Center Inc. 1.22M
AS396982 Google LLC 1.05M
AS17709 Asia Pacific Telecom 615.9K
AS38841 kbro CO. Ltd. 596.2K
AS7482 Asia Pacific On-line Service Inc. 543.7K
AS24158 Taiwan Mobile Co., Ltd. 541.2K
AS9919 New Century InfoComm Tech Co., Ltd. 498.2K
AS131596 TBC 419.6K
AS4782 Data Communication Business Group 414.2K
AS18049 Taiwan Infrastructure Network Technologie 327.7K
AS18182 Sony Network Taiwan Limited 320.3K
AS16509 Amazon.com, Inc. 270.1K
AS9676 SaveCom Internation Inc. 251.9K
AS24164 UNION BROADBAND NETWORK 249.1K
AS17809 VEE TIME CORP. 180.2K
AS18046 DongFong Technology Co. Ltd. 154.6K
AS131627 Peicity Digital Cable Television., LTD 134.9K
AS8075 Microsoft Corporation 132.4K
AS131591 Ambit Microsystem Corporation 127.5K

Regions / states / provinces

Network composition

How Taiwan's allocated IPv4 space breaks down by operator type, regional registry, and block size.

By operator category
CategoryIPv4Share
Enterprise 15.59M
56.6%
Academic / Research 5.52M
20.0%
ISP / Telecom 5.07M
18.4%
Mobile 1.15M
4.2%
Hosting / Cloud 121.9K
0.4%
Government 101.1K
0.4%
CDN 3.1K
0.0%
By regional registry (RIR)
RegistryIPv4Share
APNIC 36.02M
96.9%
ARIN 860.5K
2.3%
RIPE NCC 266.4K
0.7%
AFRINIC 24.8K
0.1%
LACNIC 768
0.0%
Prefix-size distribution (network ranges by block size)
/8–/15
84
/16–/19
189
/20–/22
402
/23
369
/24
542
/25–/28
299
/29–/32
575

Routing & security

Live BGP routing footprint for Taiwan from our global collectors, with RPKI route-origin validation coverage.

Announced prefixes
35,417
Origin ASNs
545
RPKI-valid
92.7%
32,822 of 35,417 ROA-covered

RPKI-valid % = announced prefixes with a matching Route Origin Authorization. Live routing →

Web3 footprint

Taiwan hosts 81 observed decentralized-network nodes across 7 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Reverse-DNS, threat intelligence & internet health

How much of Taiwan's address space resolves to a hostname, how much appears on public threat blocklists, how widely the population is online, and independent signals of censorship and outages.

Reverse-DNS coverage
72.4%
26.93M IPs with a PTR
On threat blocklists
277
flagged across 9 feeds
Censorship signal
2.5%
10 confirmed-blocked · 30d
Network outages
2
events · last 90d
Median speed
111 Mbps ↓
35 Mbps ↑ · 34ms
72.4% of allocated IPv4 has a PTR

Reverse-DNS + threat-blocklist footprint from our own scanning & 8 threat-intel feeds. Censorship measurements from OONI; outage detection from IODA / Georgia Tech; connection speed from Cloudflare Radar.

Frequently Asked Questions

How many IPv4 addresses are allocated to Taiwan?

Taiwan has 37,168,310 IPv4 addresses allocated across 2,460 network ranges. These allocations are managed by regional internet registries and assigned to organizations operating within the country.

What are the largest internet providers in Taiwan?

The top organizations in Taiwan by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 50 organizations collectively manage the majority of the country's IPv4 address space.

How many ASNs operate in Taiwan?

Taiwan has 50 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.

What continent is Taiwan in?

Taiwan is located in Asia. IP address allocations in this region are managed by APNIC.

Last updated: 2026-10-17 09:24:05 UTC
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