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InternetData
IPv4 address

203.77.72.173

An address in Neihu, Taiwan, Taiwan, used by Taiwan Fixed Network Co., LTD., announced by UNION BROADBAND NETWORK (AS24164). Of our anonymity, network and probe databases, it is in Hosting IP.

8 of 21 address-keyed databases hold it

Summary
Company
Taiwan Fixed Network Co., LTD.
Prefix
203.77.72.0/21
Hostname
host173.2037772.gcn.net.tw
Registered to
TAIWANMOBILE-NET
Network type
ISP
Abuse contact
hostmaster@twnic.tw
Anycast
No

Anonymity

Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.

1 of 7 hold it
Confidence
medium
Last seen
2026-09-08

Ownership

Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.

5 of 6 hold it
Company
Taiwan Fixed Network Co., LTD.
Domain
taiwanmobile.com
Type
ISP
Registered in
Taiwan
AS number
AS24164
Name
UNION BROADBAND NETWORK
Prefix
203.77.72.0/21
RPKI
valid
Type
ISP
Domain
twmbroadband.com
Registered in
Taiwan
Name
TAIWANMOBILE-NET
Handle
TFN-NET
Registry
twnic
Domain
gcn.net.tw
Name
ABUSE TWNICAP
Address
3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
Network
203.77.0.0-203.77.127.255
Hostname
host173.2037772.gcn.net.tw
Not seen inIP RWHOIS

Geolocation

Where the address is, and what that place uses.

2 of 2 hold it
City
Neihu
Region
Taiwan
Postal code
114
Country
Taiwan
Continent
Asia
Timezone
Asia/Taipei

Network

What kind of network it is on: a mobile carrier, an anycast service, a CDN edge.

0 of 3 hold it

Probe

What our own internet-wide measurement found listening on it.

0 of 3 hold it
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell — priced by scope, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.